HVAC, Plumber & Electrician in Newburgh, IN | A+ Derr
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, Cooling, Plumbing & Electrical Services in Newburgh, IN

 

Newburgh Service Overview

Based in Newburgh (Main Local Hub): Newburgh serves as the central operations hub for A+ Derr, housing our main local office and the largest home service fleet in the Tri-State area.

Four Multi-Trade Services: We deliver comprehensive heating, cooling, plumbing, and electrical solutions for homes across ZIP code 47630.

Decades of Local Experience: Our technicians handle everything from historic Riverfront and Old Lock and Dam properties with multi-generational mechanicals to expansive newer builds near Castle High School.

 

Newburgh’s housing changes quickly as you travel away from the Ohio River. Historic properties near the Riverfront and Old Lock and Dam may have mechanical systems updated in stages over several decades. Homes in newer parts of Newburgh often have larger layouts, modern equipment, and growing electrical demands. A+ Derr provides heating, cooling, plumbing, and electrical services throughout Newburgh from our main local office.

“Pleasure doing business with them. New HVAC system and water heater. Everyone I dealt with was extremely friendly, helpful and knowledgeable. Had an issue with water pressure in kitchen and bathroom sinks and they got it corrected for me. Definitely recommend.”

Lori M.

Need an experienced HVAC contractor, plumber, or electrician in Newburgh, IN? Call 833-232-4328 or contact our local office online today!

A+ Derr Is Based in Newburgh

Newburgh is the center of A+ Derr’s Tri-State operation. Our main office is located here, and our technicians leave from this local hub to serve customers throughout the area. With one of the largest home service fleets in the region, A+ Derr vehicles are a familiar sight around Newburgh each day.

Our local connection extends beyond the homes we service. A+ Derr sponsors sports and clubs at various schools across the area. We also participate in the Newburgh Holiday Light Parade each year. These relationships keep our company connected to the schools, families, and traditions that shape the community.

Solving HVAC, Plumbing, Electrical Issues in Newburgh Homes

Problem: Persistent river valley humidity during hot summer months makes indoor air feel warm and damp, even when AC units run continuously.

Solution: A+ Derr installs whole-home dehumidifiers, air purifiers, ductless mini-splits, and high-efficiency replacement air conditioners or heat pumps to actively balance humidity and cooling.

Problem: Historic homes near the Riverfront feature narrow ductwork, converted upper floors, and older electrical panels that cannot support new appliances or HVAC upgrades.

Solution: Our team performs complete electrical panel upgrades, meter upgrades, custom duct balancing, and mini-split additions to modernize comfort without disrupting historic structures.

Problem: Sudden winter freezes expose worn furnace parts, thermostat glitches, and airflow bottlenecks in drafty or open-concept floor plans.

Solution: We provide emergency furnace repairs, heat pump services, boiler replacements, and preventive winter tune-ups to ensure consistent heat.

Problem: Heavy rainstorms tax basements, crawl spaces, and low-lying foundations, increasing the risk of drainage failures and water damage.

Solution: Our master plumbers service and replace sump pumps, repair sewer lines, clear drain blockages, and perform complete pipe repairs or repiping.

Rapid AC Repair & Whole-Home Dehumidification for Newburgh Summers

Newburgh summers bring high heat and persistent river valley humidity. Your air conditioner must remove moisture while cooling the house, which places added stress on older equipment. Poor airflow, limited insulation, or improper system sizing can leave rooms feeling warm and damp even when the AC continues to run.

Our local cooling services include:

Homes close to the Riverfront may have narrow duct routes, converted upper floors, or additions that receive limited airflow. Newer Newburgh properties may experience temperature differences caused by tall ceilings, open floor plans, or long duct runs. Our technicians inspect the equipment and supporting comfort system before recommending repairs or replacement.

“AC went out. I called and literally 30 mins later they was here! I was blown away. It’s been raining pretty much all day. The guy never quit! I told him it’s ok come out of the rain. But he wanted to get this done for me. Can’t thank you guys enough.”

Rob R.

Is Ohio River Valley humidity making your home feel warm and sticky? Call our local Newburgh team at 833-232-4328 or schedule online for high-efficiency AC repair and dehumidification solutions!

Newburgh Plumbing Services: Sump Pumps, Water Heaters & Repiping

Plumbing needs often reflect a property’s construction history. Some older Newburgh homes contain multiple generations of pipes, fixtures, and drain connections hidden behind remodeled walls. Newer homes can face different problems, including water pressure changes, water heater failures, fixture leaks, and heavy hot water demand.

A+ Derr provides:

  • Leak and pipe repair
  • Kitchen and bathroom plumbing
  • Plumbing maintenance
  • Standard water heater service
  • Tankless water heater installation
  • Sump pump replacement
  • Sewer and drain service
  • Garbage disposal repair
  • Toilet installation and repair
  • Piping and repiping
  • Water filtration systems

Strong storms can test sump pumps and drainage systems throughout Newburgh, especially in homes with basements, crawl spaces, or low areas around the foundation. Our plumbers locate the cause of the issue and explain whether a repair, equipment replacement, or piping improvement provides the right solution.

Furnace Repair & Dependable Winter Heating in 47630

Newburgh can move from moderate weather to freezing temperatures in a short period. That sudden demand often exposes worn furnace components, weak airflow, thermostat problems, and heat pumps that have not received seasonal maintenance.

Our heating services include:

A home near historic downtown may lose heat through insulation gaps or rooms outside the original duct layout. Larger properties near Castle High School and newer development may struggle with uneven temperatures between floors or distant rooms. A+ Derr tests the heating equipment, thermostat, airflow, and duct system to identify the source of the problem.

Don’t let a sudden Southern Indiana freeze leave your home in the cold. Call A+ Derr in Newburgh at 833-232-4328 for fast, reliable furnace repair and heating system tune-ups!

Electrical Panel Upgrades, EV Chargers & Generators in Newburgh

Electrical demand has changed across Newburgh. Older properties may have panels that predate modern kitchens, central HVAC equipment, home offices, and connected electronics. Newer homes may need added capacity for electric vehicles, outdoor living areas, backup generators, and finished lower levels.

Our electrical services include:

A renovated Riverfront property may need electrical improvements before receiving new HVAC equipment or appliances. A newer Newburgh home may require an EV charger, generator connection, landscape lighting, or circuits for a basement project. Our electricians evaluate the existing capacity and planned load before completing the installation.

Upgrading appliances or noticing flickering lights in your 47630 home? Call our local Newburgh electricians at 833-232-4328 or schedule online for panel upgrades, safety inspections, and rewiring!

Why Newburgh Homeowners Choose A+ Derr

Our main office is located here, and our technicians serve local homes every day. That regular presence gives our team firsthand experience with historic riverfront properties, established neighborhoods, and the newer homes appearing around the outskirts of town.

Customers choose A+ Derr for:

  • A main office in Newburgh
  • One of the Tri-State’s largest fleets
  • Four home service trades
  • Experience with varied local homes
  • Emergency HVAC availability
  • Coordinated project support
  • Local community involvement

Our sponsorship of local sports and clubs reinforce that connection. We work in Newburgh, support Newburgh organizations, and remain part of the community after each service call is complete.

Schedule HVAC, Plumbing & Electrical Service in Newburgh, IN Today

No matter if your home is a historic property along the Newburgh Riverfront or a newer build elsewhere in 47630, A+ Derr is ready to keep your essential systems running smoothly. Our local team handles everything from repairs and routine maintenance to full replacements and new installations for heating, cooling, plumbing, and electrical systems.

Proudly headquartered in Newburgh and serving all of 47630 and Warrick County. Call 833-232-4328 to book your service with A+ Derr!

FAQs for Newburgh Homeowners

Newburgh is our main local hub and home to our central office. Housing one of the largest fleets in the Tri-State area right in 47630 allows us to offer rapid dispatch and emergency service for nearby homes.

Historic properties often suffer from narrow ductwork or converted upper levels. Installing supplemental ductless mini-splits or whole-home dehumidifiers regulates temperature and moisture without invasive construction.

Older panels in established neighborhoods may predate high-demand HVAC units, kitchen remodels, or EV chargers. A panel or meter upgrade ensures your system safely handles increased power demands.

Heavy river valley rainfall can quickly strain foundation drainage. Routine sump pump testing and timely replacement protect basements and crawl spaces from costly storm-related flooding.

Turn off the system at the thermostat or breaker to prevent damage, check for dirty filters or tripped switches, and call us for immediate emergency service.

Page Updated on August 11, 2026

Recent Jobs and Reviews in Newburgh, IN

Job Locations and Reviews

Completed Platinum Level planned maintenance on a 4-year-old HVAC system during first service visit. Performed comprehensive inspection of vertically-mounted air handler unit, examining evaporator coil, heat exchanger assembly, and electrical components. Verified system operation using digital multimeter for temperature and electrical diagnostics, documenting readings of internal components. Replaced 20x20x5 air filter and inspected condensate drain system, brass fittings, and control board connections to ensure proper system performance.
Completed Platinum Level planned maintenance on a 4-year-old HVAC system during first service visit. Performed comprehensive inspection of vertically-mounted air handler unit, examining evaporator coil, heat exchanger assembly, and electrical components. Verified system operation using digital multimeter for temperature and electrical diagnostics, documenting readings of internal components. Replaced 20x20x5 air filter and inspected condensate drain system, brass fittings, and control board connections to ensure proper system performance.
Michael H.
Michael H. Checked in
Completed Platinum Level planned maintenance on a 4-year-old HVAC system during first service visit. Performed comprehensive inspection of vertically-mounted air handler unit, examining evaporator coil, heat exchanger assembly, and electrical components. Verified system operation using digital multimeter for temperature and electrical diagnostics, documenting readings of internal components. Replaced 20x20x5 air filter and inspected condensate drain system, brass fittings, and control board connections to ensure proper system performance.
Newburgh, IN 47630
Completed Platinum Level maintenance on single-zone residential HVAC system with Lennox equipment. Installed new 16x25x5 air filter with proper airflow direction, verified system temperatures reading 79.5°F at supply, and documented filter installation for tracking purposes.
Completed Platinum Level maintenance on single-zone residential HVAC system with Lennox equipment. Installed new 16x25x5 air filter with proper airflow direction, verified system temperatures reading 79.5°F at supply, and documented filter installation for tracking purposes.
Brent D.
Brent D. Checked in
Completed Platinum Level maintenance on single-zone residential HVAC system with Lennox equipment. Installed new 16x25x5 air filter with proper airflow direction, verified system temperatures reading 79.5°F at supply, and documented filter installation for tracking purposes.
Newburgh, IN 47630
# HVAC Maintenance Summary

Completed first annual Platinum Level maintenance on a 7-year-old HVAC system, replacing 16x25x5 filter, performing electrical diagnostics with multimeter readings, and inspecting evaporator coil which showed significant corrosion and rust deposits requiring monitoring for future replacement considerations.

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# Detailed Service Description

Performed comprehensive Platinum Level planned maintenance on a single 7-year-old residential HVAC system as part of the first annual service visit. Replaced the existing 16x25x5 air filter with a new unit to ensure proper airflow and system efficiency.

Conducted thorough electrical diagnostics using a digital multimeter to verify system performance. Measured voltage readings at the control board and capacitor connections, recording a reading of 29.6 volts during testing. Inspected all electrical connections, including the wiring harness at the control panel, verifying proper voltage supply to critical components.

I
# HVAC Maintenance Summary

Completed first annual Platinum Level maintenance on a 7-year-old HVAC system, replacing 16x25x5 filter, performing electrical diagnostics with multimeter readings, and inspecting evaporator coil which showed significant corrosion and rust deposits requiring monitoring for future replacement considerations.

---

# Detailed Service Description

Performed comprehensive Platinum Level planned maintenance on a single 7-year-old residential HVAC system as part of the first annual service visit. Replaced the existing 16x25x5 air filter with a new unit to ensure proper airflow and system efficiency.

Conducted thorough electrical diagnostics using a digital multimeter to verify system performance. Measured voltage readings at the control board and capacitor connections, recording a reading of 29.6 volts during testing. Inspected all electrical connections, including the wiring harness at the control panel, verifying proper voltage supply to critical components.

I
Michael H.
Michael H. Checked in
# HVAC Maintenance Summary Completed first annual Platinum Level maintenance on a 7-year-old HVAC system, replacing 16x25x5 filter, performing electrical diagnostics with multimeter readings, and inspecting evaporator coil which showed significant corrosion and rust deposits requiring monitoring for future replacement considerations. --- # Detailed Service Description Performed comprehensive Platinum Level planned maintenance on a single 7-year-old residential HVAC system as part of the first annual service visit. Replaced the existing 16x25x5 air filter with a new unit to ensure proper airflow and system efficiency. Conducted thorough electrical diagnostics using a digital multimeter to verify system performance. Measured voltage readings at the control board and capacitor connections, recording a reading of 29.6 volts during testing. Inspected all electrical connections, including the wiring harness at the control panel, verifying proper voltage supply to critical components. I
Newburgh, IN 47630
Completed scheduled planned duo maintenance on two 6-year-old HVAC systems. Performed comprehensive inspection of both units, including evaporator coil examination, refrigerant line assessment, and condensate drain verification. Replaced 20x20x5 air filter and documented system conditions with photographic records showing all components operating within normal parameters.
Completed scheduled planned duo maintenance on two 6-year-old HVAC systems. Performed comprehensive inspection of both units, including evaporator coil examination, refrigerant line assessment, and condensate drain verification. Replaced 20x20x5 air filter and documented system conditions with photographic records showing all components operating within normal parameters.
Michael H.
Michael H. Checked in
Completed scheduled planned duo maintenance on two 6-year-old HVAC systems. Performed comprehensive inspection of both units, including evaporator coil examination, refrigerant line assessment, and condensate drain verification. Replaced 20x20x5 air filter and documented system conditions with photographic records showing all components operating within normal parameters.
Newburgh, IN 47630
Newburgh, IN - Responded to report of condensation on attic ductwork in 2-year-old HVAC system. Performed diagnostic inspection of attic ductwork and air handler unit. Found blower wheel heavily contaminated with dust and debris accumulation, restricting airflow and causing reduced system performance. Identified inadequate airflow as contributing factor to condensation issues on ductwork due to improper air circulation and temperature differentials. Documented blower wheel condition with photographs. Recommended blower wheel cleaning and evaluation of duct insulation levels to address condensation concerns and restore proper system operation.
Kevin H.
Kevin H. Checked in
Responded to report of condensation on attic ductwork in 2-year-old HVAC system. Performed diagnostic inspection of attic ductwork and air handler unit. Found blower wheel heavily contaminated with dust and debris accumulation, restricting airflow and causing reduced system performance. Identified inadequate airflow as contributing factor to condensation issues on ductwork due to improper air circulation and temperature differentials. Documented blower wheel condition with photographs. Recommended blower wheel cleaning and evaluation of duct insulation levels to address condensation concerns and restore proper system operation.
Newburgh, IN 47630
Completed comprehensive HVAC system replacement estimate for existing Carrier furnace installation in residential utility room. Evaluated current heating system configuration including ductwork connections, PVC venting system, and thermostat wiring to provide replacement options and specifications. Documented equipment specifications, spatial requirements, and existing infrastructure to prepare detailed proposal for new high-efficiency HVAC system installation.
Completed comprehensive HVAC system replacement estimate for existing Carrier furnace installation in residential utility room. Evaluated current heating system configuration including ductwork connections, PVC venting system, and thermostat wiring to provide replacement options and specifications. Documented equipment specifications, spatial requirements, and existing infrastructure to prepare detailed proposal for new high-efficiency HVAC system installation.
James W.
James W. Checked in
Completed comprehensive HVAC system replacement estimate for existing Carrier furnace installation in residential utility room. Evaluated current heating system configuration including ductwork connections, PVC venting system, and thermostat wiring to provide replacement options and specifications. Documented equipment specifications, spatial requirements, and existing infrastructure to prepare detailed proposal for new high-efficiency HVAC system installation.
Newburgh, IN 47630
Responded to water leak complaint on indoor HVAC unit located in garage. Upon arrival, inspected furnace and associated condensate drainage system for source of water accumulation. Identified issue with condensate line, cleared blockage, and verified proper drainage flow. Tested system operation to confirm leak was resolved and no further water discharge occurring from unit enclosure.
Responded to water leak complaint on indoor HVAC unit located in garage. Upon arrival, inspected furnace and associated condensate drainage system for source of water accumulation. Identified issue with condensate line, cleared blockage, and verified proper drainage flow. Tested system operation to confirm leak was resolved and no further water discharge occurring from unit enclosure.
Ricky B.
Ricky B. Checked in
Responded to water leak complaint on indoor HVAC unit located in garage. Upon arrival, inspected furnace and associated condensate drainage system for source of water accumulation. Identified issue with condensate line, cleared blockage, and verified proper drainage flow. Tested system operation to confirm leak was resolved and no further water discharge occurring from unit enclosure.
Newburgh, IN 47630
Completed annual planned maintenance on one-year-old HVAC system during second visit. Performed standard maintenance procedures, inspected outdoor condenser unit on concrete pad, and noted active zoning pressure switch notification (high pressure) on system's digital control interface requiring further evaluation.
Completed annual planned maintenance on one-year-old HVAC system during second visit. Performed standard maintenance procedures, inspected outdoor condenser unit on concrete pad, and noted active zoning pressure switch notification (high pressure) on system's digital control interface requiring further evaluation.
Michael H.
Michael H. Checked in
Completed annual planned maintenance on one-year-old HVAC system during second visit. Performed standard maintenance procedures, inspected outdoor condenser unit on concrete pad, and noted active zoning pressure switch notification (high pressure) on system's digital control interface requiring further evaluation.
Newburgh, IN 47630
Completed Platinum Level planned maintenance on single-system residential HVAC unit. Installed new 20x25x5 air filter in air handler, verified proper fit and secure placement in metal tracks, and documented installation. Performed comprehensive system inspection including level verification of unit placement and confirmed all warning labels and safety documentation remain visible and legible on equipment.
Completed Platinum Level planned maintenance on single-system residential HVAC unit. Installed new 20x25x5 air filter in air handler, verified proper fit and secure placement in metal tracks, and documented installation. Performed comprehensive system inspection including level verification of unit placement and confirmed all warning labels and safety documentation remain visible and legible on equipment.
Brent D.
Brent D. Checked in
Completed Platinum Level planned maintenance on single-system residential HVAC unit. Installed new 20x25x5 air filter in air handler, verified proper fit and secure placement in metal tracks, and documented installation. Performed comprehensive system inspection including level verification of unit placement and confirmed all warning labels and safety documentation remain visible and legible on equipment.
Newburgh, IN 47630
Completed scheduled air conditioning maintenance tune-up on residential cooling system. Performed comprehensive inspection of outdoor condensing unit, verified proper operation of digital thermostat set at 70 degrees, and documented system condition with photographic records. All components found operating within normal parameters with no immediate service needs identified.
Completed scheduled air conditioning maintenance tune-up on residential cooling system. Performed comprehensive inspection of outdoor condensing unit, verified proper operation of digital thermostat set at 70 degrees, and documented system condition with photographic records. All components found operating within normal parameters with no immediate service needs identified.
Jeremiah H.
Jeremiah H. Checked in
Completed scheduled air conditioning maintenance tune-up on residential cooling system. Performed comprehensive inspection of outdoor condensing unit, verified proper operation of digital thermostat set at 70 degrees, and documented system condition with photographic records. All components found operating within normal parameters with no immediate service needs identified.
Newburgh, IN 47630
Responded to no-cool complaint on 5-year-old upstairs system unable to maintain setpoint below 79°F with high humidity. Upon arrival, inspected outdoor condensing unit and found extensive external contamination with heavy dirt and debris accumulation on condenser coil fins, significantly restricting airflow and reducing heat transfer efficiency. Unit exterior showed severe weathering and deterioration of protective casing. System has documented history of refrigerant loss indicating potential leak in refrigerant circuit. Due to extreme coil fouling and suspected refrigerant leak, recommended scheduling return visit for comprehensive leak search and system evaluation. Customer advised that service must be scheduled after 9 AM due to availability constraints. Secondary cooling system operational on first floor providing temporary relief.
Responded to no-cool complaint on 5-year-old upstairs system unable to maintain setpoint below 79°F with high humidity. Upon arrival, inspected outdoor condensing unit and found extensive external contamination with heavy dirt and debris accumulation on condenser coil fins, significantly restricting airflow and reducing heat transfer efficiency. Unit exterior showed severe weathering and deterioration of protective casing. System has documented history of refrigerant loss indicating potential leak in refrigerant circuit. Due to extreme coil fouling and suspected refrigerant leak, recommended scheduling return visit for comprehensive leak search and system evaluation. Customer advised that service must be scheduled after 9 AM due to availability constraints. Secondary cooling system operational on first floor providing temporary relief.
Shawn M.
Shawn M. Checked in
Responded to no-cool complaint on 5-year-old upstairs system unable to maintain setpoint below 79°F with high humidity. Upon arrival, inspected outdoor condensing unit and found extensive external contamination with heavy dirt and debris accumulation on condenser coil fins, significantly restricting airflow and reducing heat transfer efficiency. Unit exterior showed severe weathering and deterioration of protective casing. System has documented history of refrigerant loss indicating potential leak in refrigerant circuit. Due to extreme coil fouling and suspected refrigerant leak, recommended scheduling return visit for comprehensive leak search and system evaluation. Customer advised that service must be scheduled after 9 AM due to availability constraints. Secondary cooling system operational on first floor providing temporary relief.
Newburgh, IN 47630
Completed scheduled preventive maintenance on residential Carrier split system HVAC equipment. Performed comprehensive AC tune-up including inspection of indoor furnace unit located in basement and outdoor condensing unit positioned on covered patio. Verified proper operation of all system components, checked refrigerant lines, inspected condensate drainage system, and confirmed equipment is functioning within manufacturer specifications. No issues identified during inspection. System operational and ready for continued service.
Completed scheduled preventive maintenance on residential Carrier split system HVAC equipment. Performed comprehensive AC tune-up including inspection of indoor furnace unit located in basement and outdoor condensing unit positioned on covered patio. Verified proper operation of all system components, checked refrigerant lines, inspected condensate drainage system, and confirmed equipment is functioning within manufacturer specifications. No issues identified during inspection. System operational and ready for continued service.
Jeremiah H.
Jeremiah H. Checked in
Completed scheduled preventive maintenance on residential Carrier split system HVAC equipment. Performed comprehensive AC tune-up including inspection of indoor furnace unit located in basement and outdoor condensing unit positioned on covered patio. Verified proper operation of all system components, checked refrigerant lines, inspected condensate drainage system, and confirmed equipment is functioning within manufacturer specifications. No issues identified during inspection. System operational and ready for continued service.
Newburgh, IN 47630
Completed scheduled planned duo maintenance on residential HVAC system including furnace and air conditioning components. Performed comprehensive inspection of all internal components with access panels removed, verified proper operation of blower motor assembly, examined control board and electrical connections for signs of wear or damage, and inspected heat exchanger condition. Checked all wire connections including multi-colored control wiring to circuit board and motor assembly, verified PVC condensate drain routing and secure mounting, and examined gas valve and mechanical fittings in lower compartment. Documented system condition through photographs showing internal components, wiring configurations, and overall unit integrity for maintenance records.
Completed scheduled planned duo maintenance on residential HVAC system including furnace and air conditioning components. Performed comprehensive inspection of all internal components with access panels removed, verified proper operation of blower motor assembly, examined control board and electrical connections for signs of wear or damage, and inspected heat exchanger condition. Checked all wire connections including multi-colored control wiring to circuit board and motor assembly, verified PVC condensate drain routing and secure mounting, and examined gas valve and mechanical fittings in lower compartment. Documented system condition through photographs showing internal components, wiring configurations, and overall unit integrity for maintenance records.
Christian C.
Christian C. Checked in
Completed scheduled planned duo maintenance on residential HVAC system including furnace and air conditioning components. Performed comprehensive inspection of all internal components with access panels removed, verified proper operation of blower motor assembly, examined control board and electrical connections for signs of wear or damage, and inspected heat exchanger condition. Checked all wire connections including multi-colored control wiring to circuit board and motor assembly, verified PVC condensate drain routing and secure mounting, and examined gas valve and mechanical fittings in lower compartment. Documented system condition through photographs showing internal components, wiring configurations, and overall unit integrity for maintenance records.
Newburgh, IN 47630
Conducted on-site evaluation for mini split system replacement in detached 19x12 backyard shop structure. Assessed existing conditions of unfinished workshop space with OSB walls and concrete flooring, documented electrical infrastructure including current outlet placement and lighting configuration, and evaluated exterior access points and clearances for outdoor condenser unit placement near landscaped areas adjacent to building siding.
Conducted on-site evaluation for mini split system replacement in detached 19x12 backyard shop structure. Assessed existing conditions of unfinished workshop space with OSB walls and concrete flooring, documented electrical infrastructure including current outlet placement and lighting configuration, and evaluated exterior access points and clearances for outdoor condenser unit placement near landscaped areas adjacent to building siding.
Nick B.
Nick B. Checked in
Conducted on-site evaluation for mini split system replacement in detached 19x12 backyard shop structure. Assessed existing conditions of unfinished workshop space with OSB walls and concrete flooring, documented electrical infrastructure including current outlet placement and lighting configuration, and evaluated exterior access points and clearances for outdoor condenser unit placement near landscaped areas adjacent to building siding.
Newburgh, IN 47630
Completed scheduled HVAC maintenance and AC tune-up on residential system as part of routine preventive service campaign. Performed comprehensive inspection of heating and cooling components, including visual examination of heat exchanger assembly, serpentine tubing, copper refrigerant lines, and condensate drainage system. Conducted electrical diagnostics using digital multimeter to verify system performance parameters, with all measurements falling within acceptable operating ranges. Unit operational with no deficiencies noted; system ready for continued service through 2026 maintenance cycle.
Completed scheduled HVAC maintenance and AC tune-up on residential system as part of routine preventive service campaign. Performed comprehensive inspection of heating and cooling components, including visual examination of heat exchanger assembly, serpentine tubing, copper refrigerant lines, and condensate drainage system. Conducted electrical diagnostics using digital multimeter to verify system performance parameters, with all measurements falling within acceptable operating ranges. Unit operational with no deficiencies noted; system ready for continued service through 2026 maintenance cycle.
Michael H.
Michael H. Checked in
Completed scheduled HVAC maintenance and AC tune-up on residential system as part of routine preventive service campaign. Performed comprehensive inspection of heating and cooling components, including visual examination of heat exchanger assembly, serpentine tubing, copper refrigerant lines, and condensate drainage system. Conducted electrical diagnostics using digital multimeter to verify system performance parameters, with all measurements falling within acceptable operating ranges. Unit operational with no deficiencies noted; system ready for continued service through 2026 maintenance cycle.
Newburgh, IN 47630
Newburgh, IN - Responded to no cooling complaint on 16-year-old residential air conditioning system with 4-degree temperature differential between setpoint and actual room temperature. Diagnosed failed dual run capacitor on outdoor condensing unit, replaced defective component, and verified proper system operation with adequate airflow and cooling performance restored.
Ricky B.
Ricky B. Checked in
Responded to no cooling complaint on 16-year-old residential air conditioning system with 4-degree temperature differential between setpoint and actual room temperature. Diagnosed failed dual run capacitor on outdoor condensing unit, replaced defective component, and verified proper system operation with adequate airflow and cooling performance restored.
Newburgh, IN 47630
Completed scheduled HVAC maintenance tune-up on residential heat pump system. Performed comprehensive system inspection including electrical testing at outdoor disconnect box, verified proper voltage readings at 47.1V using calibrated multimeter, inspected all wire connections and terminal blocks for secure fastening, and evaluated outdoor unit components including condenser coil condition and cabinet integrity. All electrical connections found properly secured with no loose terminals, outdoor disconnect box operational and in functional condition, and heat exchanger fins showing normal wear patterns. System operating within manufacturer specifications with no service issues identified during maintenance visit.
Completed scheduled HVAC maintenance tune-up on residential heat pump system. Performed comprehensive system inspection including electrical testing at outdoor disconnect box, verified proper voltage readings at 47.1V using calibrated multimeter, inspected all wire connections and terminal blocks for secure fastening, and evaluated outdoor unit components including condenser coil condition and cabinet integrity. All electrical connections found properly secured with no loose terminals, outdoor disconnect box operational and in functional condition, and heat exchanger fins showing normal wear patterns. System operating within manufacturer specifications with no service issues identified during maintenance visit.
Michael H.
Michael H. Checked in
Completed scheduled HVAC maintenance tune-up on residential heat pump system. Performed comprehensive system inspection including electrical testing at outdoor disconnect box, verified proper voltage readings at 47.1V using calibrated multimeter, inspected all wire connections and terminal blocks for secure fastening, and evaluated outdoor unit components including condenser coil condition and cabinet integrity. All electrical connections found properly secured with no loose terminals, outdoor disconnect box operational and in functional condition, and heat exchanger fins showing normal wear patterns. System operating within manufacturer specifications with no service issues identified during maintenance visit.
Newburgh, IN 47630
Newburgh, IN - Responded to no cooling call on 20+ year old residential HVAC system with indoor temperature at 82°F and thermostat set to 72°F. Upon arrival, confirmed system had airflow but no cooling capacity and no ice buildup present at air handler. Performed diagnostic evaluation of split system located in utility room with vertical air handler installation. Assessed compressor operation, refrigerant charge levels, and electrical components to determine root cause of cooling failure on aging equipment.
Cameron N.
Cameron N. Checked in
Responded to no cooling call on 20+ year old residential HVAC system with indoor temperature at 82°F and thermostat set to 72°F. Upon arrival, confirmed system had airflow but no cooling capacity and no ice buildup present at air handler. Performed diagnostic evaluation of split system located in utility room with vertical air handler installation. Assessed compressor operation, refrigerant charge levels, and electrical components to determine root cause of cooling failure on aging equipment.
Newburgh, IN 47630
Completed Platinum Level planned maintenance on single HVAC system with 17x21x5 filter specification. Performed comprehensive inspection of equipment, verified system operation, and documented temperature readings at floor register showing 67°F discharge. All maintenance tasks completed per service agreement specifications for this visit cycle.
Completed Platinum Level planned maintenance on single HVAC system with 17x21x5 filter specification. Performed comprehensive inspection of equipment, verified system operation, and documented temperature readings at floor register showing 67°F discharge. All maintenance tasks completed per service agreement specifications for this visit cycle.
Brent D.
Brent D. Checked in
Completed Platinum Level planned maintenance on single HVAC system with 17x21x5 filter specification. Performed comprehensive inspection of equipment, verified system operation, and documented temperature readings at floor register showing 67°F discharge. All maintenance tasks completed per service agreement specifications for this visit cycle.
Newburgh, IN 47630
Responded to no cooling call on 1-year-old system with thermostat set to 73°F but indoor temperature reading 78°F. Performed diagnostic evaluation of system components and accessed attic-mounted equipment to inspect unit operation and verify proper functionality. System restored to normal cooling operation with thermostat and indoor temperature differential resolved.
Responded to no cooling call on 1-year-old system with thermostat set to 73°F but indoor temperature reading 78°F. Performed diagnostic evaluation of system components and accessed attic-mounted equipment to inspect unit operation and verify proper functionality. System restored to normal cooling operation with thermostat and indoor temperature differential resolved.
Cameron N.
Cameron N. Checked in
Responded to no cooling call on 1-year-old system with thermostat set to 73°F but indoor temperature reading 78°F. Performed diagnostic evaluation of system components and accessed attic-mounted equipment to inspect unit operation and verify proper functionality. System restored to normal cooling operation with thermostat and indoor temperature differential resolved.
Newburgh, IN 47630
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Discover The A+ Derr Difference

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.

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.