Local HVAC Services In New Albany, IN | AC & Heating Repair
24/7 Emergency Service

HVAC emergencies happen when you least expect them. Contact the professionals at A+ Derr to take care of your issue. We have the necessary skills and tools to fix your system so you can safely use it once again. Call our team at 833-232-4328 to get emergency HVAC services in Louisville, KY, Evansville, IN, or the surrounding areas.

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Heating, Air Conditioning & Indoor Air Quality in New Albany, IN

Trust A+ Derr for your heating and air conditioning needs in New Albany, IN! Since 1975, we’ve been committed to our customers’ comfort by providing exceptional customer service and quality. We’re a fourth-generation, family-operated company, so you can trust that our technicians will give you the personalized service and attention you and your home deserve. With 24/7 emergency and same-day services, we guarantee that your home will return to the ideal temperature quickly.For comprehensive heating and air conditioning services in New Albany, call A+ Derr at 833-232-4328 or contact us online!

Heating Services

At A+ Derr, we know that Indiana winters can be brutally cold, so an efficient and effective heating system is the key to your comfort. Whether your home has a furnace, heat pump, or ductless mini-split, our experts have the knowledge and tools to ensure that your system produces ample heat without issue. Our heating services include installation, replacement, repair, and maintenance.

New Albany AC Services

To beat the heat and humidity of summer, New Albany homeowners can trust A+ Derr to ensure that your cooling system can keep your home comfortable throughout the season. Our technicians are trained to service traditional AC units, heat pumps, and ductless mini-splits to provide you with the highest quality cooling services. The experts at A+ Derr offer:

Schedule cooling services with A+ Derr today by calling 833-232-4328 or contacting us online.

Indoor Air Quality Solutions

Your home’s air quality can significantly impact your overall comfort and health. Issues like increased dust or mold may indicate increased pollutants in your home. At A+ Derr, we offer thorough air quality services, including duct cleaning, to ensure that your air quality is top-notch and that your home is free of annoying allergens, dust mites, and debris.For IAQ services in New Albany, call the A+ Derr team at 833-232-4328 or contact us online.

Signs Your HVAC System Needs Repair

If your HVAC system is showing any of the following warning signs, it likely needs repair:

  • Increased utility bills: If you see a sudden spike in your home’s energy usage, it could be the result of inefficient heating or cooling
  • Insufficient heating or cooling: If your home has uneven heating or cooling or changing the thermostat makes little difference to your home’s temperature, there’s a good chance that your system needs repair
  • New or odd noises or smells: Sounds like buzzing, clanging, or whistling and smells of gas or burning are all signs that you need to call a professional

Call A+ Derr today at 833-232-4328 or schedule an appointment online if you suspect your HVAC system needs repair services.

Importance of Annual Maintenance

Help extend the life of your HVAC system by performing regular maintenance. During these tune-ups, our experts will thoroughly inspect and clean your system, noting any issues that may need repair. By catching any minor problems early, you reduce the risk of sudden breakdowns and avoid more extensive and costly repairs.

For expert care, enroll in our Ultimate Savings Agreement maintenance plans. Benefits include two tune-ups a year, priority emergency service, reduced service call fees, and more! By maintaining your HVAC system with A+ Derr, you’ll extend the life of your system and ensure its peak performance all year long.

Schedule annual HVAC maintenance or request a free estimate in New Albany, IN, by calling 833-232-4328.

Why Choose A+ Derr?

For the best heating and cooling services in New Albany, trust A+ Derr. With 24/7 service and a satisfaction guarantee, we’re your call for comfort! Our expert technicians are here to ensure that your home comfort systems are meeting your needs and providing heating and cooling with efficiency and reliability.For superior heating and air conditioning services in New Albany, trust A+ Derr. Call us today at 833-232-4328 or contact us online!

Recent Jobs and Reviews in New Albany, IN

Job Locations and Reviews

Responded to no-cooling call on 8-year-old residential HVAC system with warm air blowing from vents and non-operational outdoor unit condenser fan. Upon arrival, confirmed indoor airflow present but outdoor fan motor completely inoperative. Performed diagnostic evaluation of outdoor unit electrical components and identified failed dual-run capacitor with visible heat damage and burn marks on mounting panel. Capacitor tested at zero microfarads, well below manufacturer specifications, preventing both compressor and condenser fan motor from starting properly. Removed defective PROCER capacitor and replaced with new OEM-equivalent dual-run capacitor rated to system specifications. Cleaned electrical connections and mounting surface, removing carbon deposits from previous component failure. Verified all wire terminations secure at capacitor terminals and control board. Restored power to unit and confirmed compressor and condenser fan motor both operating within normal parameters. Checked a
Responded to no-cooling call on 8-year-old residential HVAC system with warm air blowing from vents and non-operational outdoor unit condenser fan. Upon arrival, confirmed indoor airflow present but outdoor fan motor completely inoperative. Performed diagnostic evaluation of outdoor unit electrical components and identified failed dual-run capacitor with visible heat damage and burn marks on mounting panel. Capacitor tested at zero microfarads, well below manufacturer specifications, preventing both compressor and condenser fan motor from starting properly. Removed defective PROCER capacitor and replaced with new OEM-equivalent dual-run capacitor rated to system specifications. Cleaned electrical connections and mounting surface, removing carbon deposits from previous component failure. Verified all wire terminations secure at capacitor terminals and control board. Restored power to unit and confirmed compressor and condenser fan motor both operating within normal parameters. Checked a
Neal H.
Neal H. Checked in
Responded to no-cooling call on 8-year-old residential HVAC system with warm air blowing from vents and non-operational outdoor unit condenser fan. Upon arrival, confirmed indoor airflow present but outdoor fan motor completely inoperative. Performed diagnostic evaluation of outdoor unit electrical components and identified failed dual-run capacitor with visible heat damage and burn marks on mounting panel. Capacitor tested at zero microfarads, well below manufacturer specifications, preventing both compressor and condenser fan motor from starting properly. Removed defective PROCER capacitor and replaced with new OEM-equivalent dual-run capacitor rated to system specifications. Cleaned electrical connections and mounting surface, removing carbon deposits from previous component failure. Verified all wire terminations secure at capacitor terminals and control board. Restored power to unit and confirmed compressor and condenser fan motor both operating within normal parameters. Checked a
New Albany, IN 47150
New Albany, IN - Responded to callback for upstairs system blowing hot air with outdoor unit not running following recent planned maintenance. Diagnosed system using refrigerant manifold gauges, confirmed outdoor unit failure to energize, and restored proper cooling operation with thermostat reading returning to setpoint.
Neal H.
Neal H. Checked in
Responded to callback for upstairs system blowing hot air with outdoor unit not running following recent planned maintenance. Diagnosed system using refrigerant manifold gauges, confirmed outdoor unit failure to energize, and restored proper cooling operation with thermostat reading returning to setpoint.
New Albany, IN 47150
Performed follow-up leak search on HVAC system as previously identified. Conducted thorough inspection of evaporator coil assembly, refrigerant lines, and condensate pan area. Documented copper refrigerant piping connections and evaporator coil housing with photographic evidence showing potential leak locations at line set connections and coil interface points for repair authorization.
Performed follow-up leak search on HVAC system as previously identified. Conducted thorough inspection of evaporator coil assembly, refrigerant lines, and condensate pan area. Documented copper refrigerant piping connections and evaporator coil housing with photographic evidence showing potential leak locations at line set connections and coil interface points for repair authorization.
Kenny H.
Kenny H. Checked in
Performed follow-up leak search on HVAC system as previously identified. Conducted thorough inspection of evaporator coil assembly, refrigerant lines, and condensate pan area. Documented copper refrigerant piping connections and evaporator coil housing with photographic evidence showing potential leak locations at line set connections and coil interface points for repair authorization.
New Albany, IN 47150
# HVAC Service Completed

Responded to service call for 9-year-old Goodman AC system experiencing cooling failure. Upon arrival, performed comprehensive diagnostic evaluation of the air conditioning unit and associated furnace/air handler system. Conducted visual inspection of all accessible components including ductwork, refrigerant lines, condensate drainage system, and electrical connections. Measured and verified system specifications against manufacturer requirements. Documented equipment condition with photographic evidence showing proper installation configuration, PVC drainage lines, copper refrigerant piping, and overall system layout in basement mechanical room. Identified and resolved cooling issue, restoring full operational capacity to the system. Unit tested and confirmed functioning within normal parameters upon completion.
# HVAC Service Completed

Responded to service call for 9-year-old Goodman AC system experiencing cooling failure. Upon arrival, performed comprehensive diagnostic evaluation of the air conditioning unit and associated furnace/air handler system. Conducted visual inspection of all accessible components including ductwork, refrigerant lines, condensate drainage system, and electrical connections. Measured and verified system specifications against manufacturer requirements. Documented equipment condition with photographic evidence showing proper installation configuration, PVC drainage lines, copper refrigerant piping, and overall system layout in basement mechanical room. Identified and resolved cooling issue, restoring full operational capacity to the system. Unit tested and confirmed functioning within normal parameters upon completion.
Brad H.
Brad H. Checked in
# HVAC Service Completed Responded to service call for 9-year-old Goodman AC system experiencing cooling failure. Upon arrival, performed comprehensive diagnostic evaluation of the air conditioning unit and associated furnace/air handler system. Conducted visual inspection of all accessible components including ductwork, refrigerant lines, condensate drainage system, and electrical connections. Measured and verified system specifications against manufacturer requirements. Documented equipment condition with photographic evidence showing proper installation configuration, PVC drainage lines, copper refrigerant piping, and overall system layout in basement mechanical room. Identified and resolved cooling issue, restoring full operational capacity to the system. Unit tested and confirmed functioning within normal parameters upon completion.
New Albany, IN 47150
Completed Platinum Level annual maintenance on single HVAC system with brand new equipment. Inspected air handler for potential condensation issues and verified proper operation. Identified need for Honeywell wireless thermostat kit (including thermostat and wireless receiver), duct wrap, and silver tape for system optimization. Documented existing Honeywell Home digital thermostat displaying 71° with functional heating and cooling controls, located in interior closet area. System currently operational with follow-up scheduled for parts installation to complete service requirements.
Completed Platinum Level annual maintenance on single HVAC system with brand new equipment. Inspected air handler for potential condensation issues and verified proper operation. Identified need for Honeywell wireless thermostat kit (including thermostat and wireless receiver), duct wrap, and silver tape for system optimization. Documented existing Honeywell Home digital thermostat displaying 71° with functional heating and cooling controls, located in interior closet area. System currently operational with follow-up scheduled for parts installation to complete service requirements.
Brad H.
Brad H. Checked in
Completed Platinum Level annual maintenance on single HVAC system with brand new equipment. Inspected air handler for potential condensation issues and verified proper operation. Identified need for Honeywell wireless thermostat kit (including thermostat and wireless receiver), duct wrap, and silver tape for system optimization. Documented existing Honeywell Home digital thermostat displaying 71° with functional heating and cooling controls, located in interior closet area. System currently operational with follow-up scheduled for parts installation to complete service requirements.
New Albany, IN 47150
Responded to callback for inadequate cooling on 5-year-old AC system. Connected digital manifold gauges to measure refrigerant pressures, recording 68.4 PSI suction and 275.4 PSI discharge with suction line temperature of -7.9°F. Verified airflow at floor register measuring 53.3°F supply air temperature. Diagnosed and addressed cooling deficiency to restore proper system operation throughout home.
Responded to callback for inadequate cooling on 5-year-old AC system. Connected digital manifold gauges to measure refrigerant pressures, recording 68.4 PSI suction and 275.4 PSI discharge with suction line temperature of -7.9°F. Verified airflow at floor register measuring 53.3°F supply air temperature. Diagnosed and addressed cooling deficiency to restore proper system operation throughout home.
Jordyn R.
Jordyn R. Checked in
Responded to callback for inadequate cooling on 5-year-old AC system. Connected digital manifold gauges to measure refrigerant pressures, recording 68.4 PSI suction and 275.4 PSI discharge with suction line temperature of -7.9°F. Verified airflow at floor register measuring 53.3°F supply air temperature. Diagnosed and addressed cooling deficiency to restore proper system operation throughout home.
New Albany, IN 47150
Completed full HVAC system installation including new Lennox furnace and air conditioning condenser unit. Installed furnace in basement utility area with proper metal ductwork connections, PVC condensate drain lines, and venting. Mounted outdoor Lennox AC condenser on concrete pad against exterior brick wall with proper electrical disconnect and conduit installation. Positioned unit in landscaped area with decorative rock surround for optimal airflow and drainage. Connected all electrical controls, refrigerant lines, and communication wiring between indoor and outdoor components. Verified all manufacturer specifications, tested system operation, and confirmed proper heating and cooling functionality throughout the residence.
Completed full HVAC system installation including new Lennox furnace and air conditioning condenser unit. Installed furnace in basement utility area with proper metal ductwork connections, PVC condensate drain lines, and venting. Mounted outdoor Lennox AC condenser on concrete pad against exterior brick wall with proper electrical disconnect and conduit installation. Positioned unit in landscaped area with decorative rock surround for optimal airflow and drainage. Connected all electrical controls, refrigerant lines, and communication wiring between indoor and outdoor components. Verified all manufacturer specifications, tested system operation, and confirmed proper heating and cooling functionality throughout the residence.
Christopher R.
Christopher R. Checked in
Completed full HVAC system installation including new Lennox furnace and air conditioning condenser unit. Installed furnace in basement utility area with proper metal ductwork connections, PVC condensate drain lines, and venting. Mounted outdoor Lennox AC condenser on concrete pad against exterior brick wall with proper electrical disconnect and conduit installation. Positioned unit in landscaped area with decorative rock surround for optimal airflow and drainage. Connected all electrical controls, refrigerant lines, and communication wiring between indoor and outdoor components. Verified all manufacturer specifications, tested system operation, and confirmed proper heating and cooling functionality throughout the residence.
New Albany, IN 47150
Completed comprehensive HVAC system replacement estimate for residential property with non-functional existing equipment. Evaluated current Goodman furnace and air handler installation located in basement utility area, along with outdoor condenser unit positioned on landscaped rock bed against exterior brick wall. Assessed existing system configuration including condensate drainage, refrigerant line routing, electrical connections, and overall equipment condition showing signs of age and weathering. Provided detailed replacement options and specifications for complete system upgrade to restore climate control functionality.
Completed comprehensive HVAC system replacement estimate for residential property with non-functional existing equipment. Evaluated current Goodman furnace and air handler installation located in basement utility area, along with outdoor condenser unit positioned on landscaped rock bed against exterior brick wall. Assessed existing system configuration including condensate drainage, refrigerant line routing, electrical connections, and overall equipment condition showing signs of age and weathering. Provided detailed replacement options and specifications for complete system upgrade to restore climate control functionality.
Kenny H.
Kenny H. Checked in
Completed comprehensive HVAC system replacement estimate for residential property with non-functional existing equipment. Evaluated current Goodman furnace and air handler installation located in basement utility area, along with outdoor condenser unit positioned on landscaped rock bed against exterior brick wall. Assessed existing system configuration including condensate drainage, refrigerant line routing, electrical connections, and overall equipment condition showing signs of age and weathering. Provided detailed replacement options and specifications for complete system upgrade to restore climate control functionality.
New Albany, IN 47150
Responded to service call for evaporator coil replacement on system located in closet. Confirmed appointment availability and coordinated access through neighbor. Performed system diagnostics and temperature readings, measuring 82.7°F at return air and 67.6°F at supply register, confirming approximately 15-degree temperature split. Documented existing evaporator coil with photographs including model and serial number information to expedite part ordering. System currently operational with green priority status. Part has been ordered and is ready for installation. Customer account shows zero balance due with payment received in full.
Responded to service call for evaporator coil replacement on system located in closet. Confirmed appointment availability and coordinated access through neighbor. Performed system diagnostics and temperature readings, measuring 82.7°F at return air and 67.6°F at supply register, confirming approximately 15-degree temperature split. Documented existing evaporator coil with photographs including model and serial number information to expedite part ordering. System currently operational with green priority status. Part has been ordered and is ready for installation. Customer account shows zero balance due with payment received in full.
Brad W.
Brad W. Checked in
Responded to service call for evaporator coil replacement on system located in closet. Confirmed appointment availability and coordinated access through neighbor. Performed system diagnostics and temperature readings, measuring 82.7°F at return air and 67.6°F at supply register, confirming approximately 15-degree temperature split. Documented existing evaporator coil with photographs including model and serial number information to expedite part ordering. System currently operational with green priority status. Part has been ordered and is ready for installation. Customer account shows zero balance due with payment received in full.
New Albany, IN 47150
Completed monthly platinum-level preventive maintenance on single HVAC system per 5-year service agreement. Performed comprehensive system diagnostics including electrical measurements with clamp meter showing 239V supply voltage and static pressure testing using analog gauge to verify proper airflow and system performance. Replaced 16x25x1 air filter, inspected all mechanical components including copper refrigerant lines and ductwork, and documented system operation with photographic evidence. All readings within normal operating parameters and system functioning properly.
Completed monthly platinum-level preventive maintenance on single HVAC system per 5-year service agreement. Performed comprehensive system diagnostics including electrical measurements with clamp meter showing 239V supply voltage and static pressure testing using analog gauge to verify proper airflow and system performance. Replaced 16x25x1 air filter, inspected all mechanical components including copper refrigerant lines and ductwork, and documented system operation with photographic evidence. All readings within normal operating parameters and system functioning properly.
Jordyn R.
Jordyn R. Checked in
Completed monthly platinum-level preventive maintenance on single HVAC system per 5-year service agreement. Performed comprehensive system diagnostics including electrical measurements with clamp meter showing 239V supply voltage and static pressure testing using analog gauge to verify proper airflow and system performance. Replaced 16x25x1 air filter, inspected all mechanical components including copper refrigerant lines and ductwork, and documented system operation with photographic evidence. All readings within normal operating parameters and system functioning properly.
New Albany, IN 47150
# HVAC Maintenance Summary

Completed annual Platinum Level preventive maintenance on a 5-year-old single HVAC system. Performed comprehensive system diagnostics including electrical testing of the dual-run capacitor (40/5µF) and scroll compressor components using digital multimeter to verify proper operation and capacitance values within manufacturer specifications. Installed new 16x25x4 air filter and conducted moisture assessment of surrounding concrete surfaces to check for potential water intrusion or condensation issues affecting equipment longevity.

# Detailed Service Report

Performed annual Platinum Level planned maintenance on a single 5-year-old HVAC system as part of the customer's ongoing preventive maintenance program. This service represents the first visit of the annual maintenance cycle.

**System Inspection and Testing:**
Conducted thorough electrical diagnostics on critical system components. Used precision digital multimeter with probe leads to test the dual-run ca
# HVAC Maintenance Summary

Completed annual Platinum Level preventive maintenance on a 5-year-old single HVAC system. Performed comprehensive system diagnostics including electrical testing of the dual-run capacitor (40/5µF) and scroll compressor components using digital multimeter to verify proper operation and capacitance values within manufacturer specifications. Installed new 16x25x4 air filter and conducted moisture assessment of surrounding concrete surfaces to check for potential water intrusion or condensation issues affecting equipment longevity.

# Detailed Service Report

Performed annual Platinum Level planned maintenance on a single 5-year-old HVAC system as part of the customer's ongoing preventive maintenance program. This service represents the first visit of the annual maintenance cycle.

**System Inspection and Testing:**
Conducted thorough electrical diagnostics on critical system components. Used precision digital multimeter with probe leads to test the dual-run ca
Jordyn R.
Jordyn R. Checked in
# HVAC Maintenance Summary Completed annual Platinum Level preventive maintenance on a 5-year-old single HVAC system. Performed comprehensive system diagnostics including electrical testing of the dual-run capacitor (40/5µF) and scroll compressor components using digital multimeter to verify proper operation and capacitance values within manufacturer specifications. Installed new 16x25x4 air filter and conducted moisture assessment of surrounding concrete surfaces to check for potential water intrusion or condensation issues affecting equipment longevity. # Detailed Service Report Performed annual Platinum Level planned maintenance on a single 5-year-old HVAC system as part of the customer's ongoing preventive maintenance program. This service represents the first visit of the annual maintenance cycle. **System Inspection and Testing:** Conducted thorough electrical diagnostics on critical system components. Used precision digital multimeter with probe leads to test the dual-run ca
New Albany, IN 47150
New Albany, IN - # HVAC Service Completed

Responded to service call for 15-year-old residential air conditioning system with reported cooling deficiency and reduced airflow. Upon arrival, performed comprehensive diagnostic evaluation of the outdoor condenser unit and connected refrigerant gauges to service ports for pressure and charge analysis.

Conducted visual inspection of the condenser unit exterior, noting overall condition of the aging system. Connected manifold gauge set with yellow, red, and blue hoses to measure system pressures and evaluate refrigerant charge levels. Assessed compressor operation, fan motor function, and electrical components for proper performance. Evaluated airflow restrictions, coil condition, and potential refrigerant loss or system inefficiencies common in systems of this age.

Based on diagnostic findings, identified root cause of diminished cooling capacity and provided repair recommendations to restore proper system operation and adequate cold air delivery throughou
Kenny H.
Kenny H. Checked in
# HVAC Service Completed Responded to service call for 15-year-old residential air conditioning system with reported cooling deficiency and reduced airflow. Upon arrival, performed comprehensive diagnostic evaluation of the outdoor condenser unit and connected refrigerant gauges to service ports for pressure and charge analysis. Conducted visual inspection of the condenser unit exterior, noting overall condition of the aging system. Connected manifold gauge set with yellow, red, and blue hoses to measure system pressures and evaluate refrigerant charge levels. Assessed compressor operation, fan motor function, and electrical components for proper performance. Evaluated airflow restrictions, coil condition, and potential refrigerant loss or system inefficiencies common in systems of this age. Based on diagnostic findings, identified root cause of diminished cooling capacity and provided repair recommendations to restore proper system operation and adequate cold air delivery throughou
New Albany, IN 47150
Conducted comprehensive site evaluation for residential cooling system replacement. Existing air conditioning unit assessed at 28 years of service life, having reached end of expected operational lifespan. Documented current outdoor condensing unit configuration, utility connections including gas meter proximity, electrical service boxes, refrigerant line routing, and condensate drainage system. Photographed equipment placement against brick structure with surrounding landscaping considerations for future installation planning. Provided detailed replacement estimate for new cooling system with recommendations for modern high-efficiency equipment upgrade.
Conducted comprehensive site evaluation for residential cooling system replacement. Existing air conditioning unit assessed at 28 years of service life, having reached end of expected operational lifespan. Documented current outdoor condensing unit configuration, utility connections including gas meter proximity, electrical service boxes, refrigerant line routing, and condensate drainage system. Photographed equipment placement against brick structure with surrounding landscaping considerations for future installation planning. Provided detailed replacement estimate for new cooling system with recommendations for modern high-efficiency equipment upgrade.
Brad C.
Brad C. Checked in
Conducted comprehensive site evaluation for residential cooling system replacement. Existing air conditioning unit assessed at 28 years of service life, having reached end of expected operational lifespan. Documented current outdoor condensing unit configuration, utility connections including gas meter proximity, electrical service boxes, refrigerant line routing, and condensate drainage system. Photographed equipment placement against brick structure with surrounding landscaping considerations for future installation planning. Provided detailed replacement estimate for new cooling system with recommendations for modern high-efficiency equipment upgrade.
New Albany, IN 47150
New Albany, IN - Responded to no cooling call on 4-year-old Amana system. Upon arrival, found unit not operational with error code displaying on furnace control board. Investigated reported issue of possible damaged wiring from animal interference. Inspected low voltage wiring, control board connections, and outdoor unit electrical components. Identified chewed wiring at thermostat circuit causing communication failure between indoor and outdoor units. Repaired damaged wiring, restored proper connections, and cleared fault code from control board. Cycled system through full operational test, verified proper startup sequence, confirmed adequate airflow, and validated normal cooling operation restored.
Anthony L.
Anthony L. Checked in
Responded to no cooling call on 4-year-old Amana system. Upon arrival, found unit not operational with error code displaying on furnace control board. Investigated reported issue of possible damaged wiring from animal interference. Inspected low voltage wiring, control board connections, and outdoor unit electrical components. Identified chewed wiring at thermostat circuit causing communication failure between indoor and outdoor units. Repaired damaged wiring, restored proper connections, and cleared fault code from control board. Cycled system through full operational test, verified proper startup sequence, confirmed adequate airflow, and validated normal cooling operation restored.
New Albany, IN 47150
Responded to no cooling complaint on 5-year-old system that had received maintenance service in March. Performed diagnostic leak search using digital refrigerant manifold gauge, measuring system pressures at 629 psig high side and 627 psig low side with superheat reading of 74.8°F and subcooling at 103°F. Inspected evaporator coil assembly and refrigerant lines at indoor air handler unit, examining serpentine coil configuration and associated components for refrigerant loss or system deficiencies.
Responded to no cooling complaint on 5-year-old system that had received maintenance service in March. Performed diagnostic leak search using digital refrigerant manifold gauge, measuring system pressures at 629 psig high side and 627 psig low side with superheat reading of 74.8°F and subcooling at 103°F. Inspected evaporator coil assembly and refrigerant lines at indoor air handler unit, examining serpentine coil configuration and associated components for refrigerant loss or system deficiencies.
Anthony L.
Anthony L. Checked in
Responded to no cooling complaint on 5-year-old system that had received maintenance service in March. Performed diagnostic leak search using digital refrigerant manifold gauge, measuring system pressures at 629 psig high side and 627 psig low side with superheat reading of 74.8°F and subcooling at 103°F. Inspected evaporator coil assembly and refrigerant lines at indoor air handler unit, examining serpentine coil configuration and associated components for refrigerant loss or system deficiencies.
New Albany, IN 47150
Responded to install callback for water leak at furnace location. Upon arrival, found evidence of water damage on floor near condensate drain assembly. Repaired separated PVC drain connection using appropriate adhesive and restored proper drainage function. Replaced air filter with temporary 1-inch filter as immediate solution. System tested and confirmed operational with no active leaking present.
Responded to install callback for water leak at furnace location. Upon arrival, found evidence of water damage on floor near condensate drain assembly. Repaired separated PVC drain connection using appropriate adhesive and restored proper drainage function. Replaced air filter with temporary 1-inch filter as immediate solution. System tested and confirmed operational with no active leaking present.
Neal H.
Neal H. Checked in
Responded to install callback for water leak at furnace location. Upon arrival, found evidence of water damage on floor near condensate drain assembly. Repaired separated PVC drain connection using appropriate adhesive and restored proper drainage function. Replaced air filter with temporary 1-inch filter as immediate solution. System tested and confirmed operational with no active leaking present.
New Albany, IN 47150
Conducted comprehensive HVAC replacement estimate for residential property with dual 2-ton system configuration. Assessed inoperable upstairs unit and evaluated existing infrastructure. Documentation revealed significant deterioration of ductwork with extensive rust and corrosion on metal components, compromised electrical service panel with heavy rust on mounting hardware and meter base, and aging utility infrastructure requiring attention. Photographed electrical panels, corroded HVAC ductwork, weathered meter base with rust damage, and multiple conduit entry points to document current system conditions. Recommended full system replacement due to equipment failure, infrastructure deterioration, and potential safety concerns with corroded electrical and mechanical components.
Conducted comprehensive HVAC replacement estimate for residential property with dual 2-ton system configuration. Assessed inoperable upstairs unit and evaluated existing infrastructure. Documentation revealed significant deterioration of ductwork with extensive rust and corrosion on metal components, compromised electrical service panel with heavy rust on mounting hardware and meter base, and aging utility infrastructure requiring attention. Photographed electrical panels, corroded HVAC ductwork, weathered meter base with rust damage, and multiple conduit entry points to document current system conditions. Recommended full system replacement due to equipment failure, infrastructure deterioration, and potential safety concerns with corroded electrical and mechanical components.
Brad C.
Brad C. Checked in
Conducted comprehensive HVAC replacement estimate for residential property with dual 2-ton system configuration. Assessed inoperable upstairs unit and evaluated existing infrastructure. Documentation revealed significant deterioration of ductwork with extensive rust and corrosion on metal components, compromised electrical service panel with heavy rust on mounting hardware and meter base, and aging utility infrastructure requiring attention. Photographed electrical panels, corroded HVAC ductwork, weathered meter base with rust damage, and multiple conduit entry points to document current system conditions. Recommended full system replacement due to equipment failure, infrastructure deterioration, and potential safety concerns with corroded electrical and mechanical components.
New Albany, IN 47150
Replaced faulty thermostatic expansion valve (TXV) on HVAC system. Verified proper refrigerant pressures and system operation using digital manifold gauges, confirming unit returned to normal cooling performance.
Replaced faulty thermostatic expansion valve (TXV) on HVAC system. Verified proper refrigerant pressures and system operation using digital manifold gauges, confirming unit returned to normal cooling performance.
Jordyn R.
Jordyn R. Checked in
Replaced faulty thermostatic expansion valve (TXV) on HVAC system. Verified proper refrigerant pressures and system operation using digital manifold gauges, confirming unit returned to normal cooling performance.
New Albany, IN 47150
Completed monthly Platinum Level preventive maintenance on single HVAC system as part of recurring service agreement. Performed comprehensive system inspection including blower motor assembly examination, verified proper operation of all mechanical components, and documented equipment condition with photographic records. Utilized specialized tools to access and service critical system components, ensuring optimal performance and continued reliability of the unit.
Completed monthly Platinum Level preventive maintenance on single HVAC system as part of recurring service agreement. Performed comprehensive system inspection including blower motor assembly examination, verified proper operation of all mechanical components, and documented equipment condition with photographic records. Utilized specialized tools to access and service critical system components, ensuring optimal performance and continued reliability of the unit.
Jordyn R.
Jordyn R. Checked in
Completed monthly Platinum Level preventive maintenance on single HVAC system as part of recurring service agreement. Performed comprehensive system inspection including blower motor assembly examination, verified proper operation of all mechanical components, and documented equipment condition with photographic records. Utilized specialized tools to access and service critical system components, ensuring optimal performance and continued reliability of the unit.
New Albany, IN 47150
Conducted comprehensive estimate for replacement of 22-year-old HVAC system in residential property with tight utility closet installation. Evaluated existing King brand vertical furnace unit with associated ductwork, gas line, and condensate drain configuration. Assessed outdoor condensing units positioned on gravel pads alongside brick exterior, including existing Trane equipment. 

Recommended 2.5-ton two-stage system to optimize cooling performance for main foyer and rear two bedrooms, which were identified as priority zones. Evaluated existing flexible and rigid ductwork routing, including tan flexible ducts and gray corrugated runs connecting to furnace cabinet. Documented gas line configuration, electrical connections, and PVC condensate drainage system for replacement planning. Photographed current equipment layout to develop installation strategy for confined closet space with multiple utility connections. Provided Green tier, A+ rated estimate addressing system capacity requi
Conducted comprehensive estimate for replacement of 22-year-old HVAC system in residential property with tight utility closet installation. Evaluated existing King brand vertical furnace unit with associated ductwork, gas line, and condensate drain configuration. Assessed outdoor condensing units positioned on gravel pads alongside brick exterior, including existing Trane equipment. 

Recommended 2.5-ton two-stage system to optimize cooling performance for main foyer and rear two bedrooms, which were identified as priority zones. Evaluated existing flexible and rigid ductwork routing, including tan flexible ducts and gray corrugated runs connecting to furnace cabinet. Documented gas line configuration, electrical connections, and PVC condensate drainage system for replacement planning. Photographed current equipment layout to develop installation strategy for confined closet space with multiple utility connections. Provided Green tier, A+ rated estimate addressing system capacity requi
Anthony L.
Anthony L. Checked in
Conducted comprehensive estimate for replacement of 22-year-old HVAC system in residential property with tight utility closet installation. Evaluated existing King brand vertical furnace unit with associated ductwork, gas line, and condensate drain configuration. Assessed outdoor condensing units positioned on gravel pads alongside brick exterior, including existing Trane equipment. Recommended 2.5-ton two-stage system to optimize cooling performance for main foyer and rear two bedrooms, which were identified as priority zones. Evaluated existing flexible and rigid ductwork routing, including tan flexible ducts and gray corrugated runs connecting to furnace cabinet. Documented gas line configuration, electrical connections, and PVC condensate drainage system for replacement planning. Photographed current equipment layout to develop installation strategy for confined closet space with multiple utility connections. Provided Green tier, A+ rated estimate addressing system capacity requi
New Albany, IN 47150
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Since we’re based in Kentuckiana, we know the needs of Evansville, Louisville, and surrounding communities.

50+ Years in Business​

For over 50 years, A+ Derr has provided high-quality service, products, and results for Kentuckiana's residents.

24/7 Heating & Cooling Repairs​

Heating and cooling emergencies can happen on nights, weekends, and holidays, so you can trust us to be there no matter when you need us.

Licensed & Experienced Technicians​

Our experts have the expertise and training to deliver the highest quality services every time.

100% Satisfaction Guarantee​

Our team is dedicated to ensuring your 100% satisfaction with every HVAC service we perform.

Servicing All Major Makes & Models Of Equipment

We are a Lennox Premier Dealer and also service on all makes and models of equipment, including Goodman, Amana, Carrier, Trane, Rheem & more!

Locally Owned & Operated​

Since we’re based in Kentuckiana, we know the needs of Evansville, Louisville, and surrounding communities.

50+ Years in Business​

For over 50 years, A+ Derr has provided high-quality service, products, and results for Kentuckiana's residents.

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Our Reviews

See What Your Neighbors Are Saying

I would recommend A+ Derr and their staff any day! Best service I have ever had! Go to them for your Heating and Cooling needs. You will not be disappointed.

Barbara C.

Barbara C.

Very good service. Knowledgeable HVAC experts always keeping us cool in the summer and warm all winter. This is a great team of professionals from start to finish.

Craig B.

Craig B.

Amazing level of courtesy and professionalism. Communication was great and the price was more than reasonable. Highly recommend.

Chip M.

Chip M.

Guys came and installed two full systems at the house. Respectful, cleaned up after themselves and answered any and all questions. Thank you again!! Definitely recommend!

Jason H.

Jason H.

Very knowledgeable and courteous. Toured me through all the functions of the new unit. Completed work very neatly and respectfully. Would recommend to anyone.

Derek S.

Derek S.