HVAC In Newburgh | 24/7 Heating & Air Conditioning
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 Services in Newburgh, IN

The expert professionals at A+ Derr are ready to serve all of your HVAC system needs in Newburgh, IN. We are fourth-generation business owners and have been helping Newburgh-area families ensure quality air in their homes since 1975. A+ Derr provides free estimates on service calls and replacement services. We also have 24/7 emergency service and same-day service. Our commitment to excellence means we’re there for you, no matter when your HVAC system needs repair. Our 100% satisfaction guarantee means you can rest easy knowing you made a sound investment. Our motto is: “If you’re not happy with a product installed by us after the first year, we’ll buy it back.” If you need quality HVAC services in Newburgh, call the A+ Derr team at 833-232-4328 or contact us online!

Heating & Furnace Services in Newburgh, IN

Living in Newburgh means dealing with harsh winters. To make it through in comfort, you need a reliable heating system and a trustworthy HVAC team to service it. A+ Derr offers comprehensive heating and furnace services to Newburgh residents. You can count on us for:

Don’t wait until the cold weather season to check your heating system! Call 833-232-4328 to ensure your system will be ready when you need it most.

Air Conditioning Systems in Newburgh, IN

A working AC is a necessity when a Newburgh summer hits. If your air conditioner suddenly goes out, you don’t want to be left in the heat. If that happens, turn to the experts at A+ Derr. We can help with any of your cooling issues, whether you need routine maintenance or a complex repair. Our services include:

Don’t sweat it out this summer! Contact A+ Derr at 833-232-4328 for quality air conditioning services in Newburgh.

Indoor Air Quality for Newburgh, IN

The air quality in your home is essential, but it can be easy to overlook. Our homes are much more efficient than they used to be. They are designed to keep the air in to efficiently heat and cool homes. While that’s great for your energy bill, it can cause poor air quality, which can worsen allergy and asthma symptoms, along with other negative side effects. To ensure you have good indoor air quality, schedule a visit from one of our expert professionals. They’ll test your air and make recommendations based on your needs and budget to help keep quality air inside your home.

Should You Upgrade Your Newburgh, IN, HVAC System

Most quality HVAC systems last around 15 years with routine maintenance. As they age, all systems will begin to lose efficiency. It may be time to upgrade your HVAC system if:

  • The system is not blowing the correct air temperature
  • Some rooms are too hot or too cold
  • You hear strange noises coming from the system
  • Your system is more than 15 years old
  • Your HVAC system is noisy
  • Your HVAC system needs to be repaired more than once a year

If you think you may need an HVAC system upgrade, call the experts at A+ Derr at 833-232-4328! We provide free estimates on system replacements.

Benefits of HVAC System Maintenance

With an investment like an HVAC system, you want to ensure it works efficiently and effectively. To keep it running smoothly, consider scheduling routine maintenance. Routine maintenance on your HVAC system can help prevent breaks and improve overall performance, including:

  • Extending the life span of the system
  • Increases energy efficiency
  • Improves performance
  • Fewer breakdowns
  • Lower energy bills

At A+ Derr, we offer comprehensive maintenance to keep your system working to the best of its ability. During our routine maintenance appointments, we check:

  • Refrigerant levels
  • System components
  • Thermostat recalibration
  • Part lubrication
  • Possible leakages
  • Overall performance tests

If you’re ready to schedule a routine maintenance check with A+ Derr, call 833-232-4328 or contact us online.

Choose A+ Derr for Your Newburgh, IN, HVAC Needs

If you’re in the market for an HVAC system maintenance, repair, or even a complete upgrade, A+ Derr’s expert technicians are here to serve you. Our long-standing commitment to assisting customers in the Newburgh, IN, area to feel comfortable in their homes all year long means we can help you with your system needs. You can be confident in choosing A+ Derr because our 100% Satisfaction Guarantee means you know the job is not done until you’re satisfied.If you want A+ HVAC services, go with A+ Derr! Call 833-232-4328 or contact us online to schedule heating or air conditioning services in Newburgh.

Recent Jobs and Reviews in Newburgh, IN

Job Locations and Reviews

Installed new metal flue pipe for Lochinvar water heater, routing through utility room ceiling and terminating through standing seam metal roof. Ensured proper venting clearances, sealed roof penetration, and verified draft operation upon completion.
Installed new metal flue pipe for Lochinvar water heater, routing through utility room ceiling and terminating through standing seam metal roof. Ensured proper venting clearances, sealed roof penetration, and verified draft operation upon completion.
Cole B.
Cole B. Checked in
Installed new metal flue pipe for Lochinvar water heater, routing through utility room ceiling and terminating through standing seam metal roof. Ensured proper venting clearances, sealed roof penetration, and verified draft operation upon completion.
Newburgh, IN 47630
Completed spring maintenance and AC tune-up on a residential air conditioning system less than two years old. Performed comprehensive inspection of furnace, air handler, and evaporator coil unit; verified all components operating within normal parameters. System found to be functioning properly with no deficiencies noted at time of service.
Completed spring maintenance and AC tune-up on a residential air conditioning system less than two years old. Performed comprehensive inspection of furnace, air handler, and evaporator coil unit; verified all components operating within normal parameters. System found to be functioning properly with no deficiencies noted at time of service.
Jeremiah H.
Jeremiah H. Checked in
Completed spring maintenance and AC tune-up on a residential air conditioning system less than two years old. Performed comprehensive inspection of furnace, air handler, and evaporator coil unit; verified all components operating within normal parameters. System found to be functioning properly with no deficiencies noted at time of service.
Newburgh, IN 47630
Conducted on-site assessment of multiple toilet fixtures requiring replacement. Evaluated three toilets confirmed for replacement and inspected fourth unit to determine replacement necessity. Documented existing two-piece porcelain toilet installations with standard flush mechanisms and mounting configurations. Photographed current fixtures showing beige wall surroundings, light-colored tile flooring, and adjacent cabinetry for accurate replacement planning. Prepared comprehensive estimate for toilet replacement services, incorporating promotional pricing structure as requested.
Conducted on-site assessment of multiple toilet fixtures requiring replacement. Evaluated three toilets confirmed for replacement and inspected fourth unit to determine replacement necessity. Documented existing two-piece porcelain toilet installations with standard flush mechanisms and mounting configurations. Photographed current fixtures showing beige wall surroundings, light-colored tile flooring, and adjacent cabinetry for accurate replacement planning. Prepared comprehensive estimate for toilet replacement services, incorporating promotional pricing structure as requested.
Kyle D.
Kyle D. Checked in
Conducted on-site assessment of multiple toilet fixtures requiring replacement. Evaluated three toilets confirmed for replacement and inspected fourth unit to determine replacement necessity. Documented existing two-piece porcelain toilet installations with standard flush mechanisms and mounting configurations. Photographed current fixtures showing beige wall surroundings, light-colored tile flooring, and adjacent cabinetry for accurate replacement planning. Prepared comprehensive estimate for toilet replacement services, incorporating promotional pricing structure as requested.
Newburgh, IN 47630
Completed annual Platinum Level maintenance on 2-year-old HVAC system during second visit of service cycle. Performed comprehensive system inspection including electrical component testing with multimeter to verify capacitor functionality and contactor operation, measured system temperatures at 50°F, replaced 20x25x5 air filter, and documented all equipment conditions with photographic records. System operating within manufacturer specifications and customer approved contract renewal for continued annual maintenance coverage.
Completed annual Platinum Level maintenance on 2-year-old HVAC system during second visit of service cycle. Performed comprehensive system inspection including electrical component testing with multimeter to verify capacitor functionality and contactor operation, measured system temperatures at 50°F, replaced 20x25x5 air filter, and documented all equipment conditions with photographic records. System operating within manufacturer specifications and customer approved contract renewal for continued annual maintenance coverage.
Michael H.
Michael H. Checked in
Completed annual Platinum Level maintenance on 2-year-old HVAC system during second visit of service cycle. Performed comprehensive system inspection including electrical component testing with multimeter to verify capacitor functionality and contactor operation, measured system temperatures at 50°F, replaced 20x25x5 air filter, and documented all equipment conditions with photographic records. System operating within manufacturer specifications and customer approved contract renewal for continued annual maintenance coverage.
Newburgh, IN 47630
Completed annual Platinum Level maintenance on single HVAC system utilizing 20x25x5 filter. Performed comprehensive inspection and servicing of equipment, verified system operation, and documented filter size specifications. Measured and recorded supply air temperature at 83.8°F to confirm proper system performance.
Completed annual Platinum Level maintenance on single HVAC system utilizing 20x25x5 filter. Performed comprehensive inspection and servicing of equipment, verified system operation, and documented filter size specifications. Measured and recorded supply air temperature at 83.8°F to confirm proper system performance.
Brent D.
Brent D. Checked in
Completed annual Platinum Level maintenance on single HVAC system utilizing 20x25x5 filter. Performed comprehensive inspection and servicing of equipment, verified system operation, and documented filter size specifications. Measured and recorded supply air temperature at 83.8°F to confirm proper system performance.
Newburgh, IN 47630
# HVAC System Installation

Completed full residential HVAC system installation including a 3-ton, 17 SEER Lennox air conditioning condenser unit and 97% efficiency Lennox furnace with matching air handler. Outdoor condenser positioned on concrete pad against brick exterior wall with proper clearances maintained. Installed electrical disconnect, metering equipment, and conduit per code requirements. Indoor furnace unit installed in utility closet with PVC venting system properly configured for high-efficiency condensing operation. Connected all refrigerant lines, gas supply lines with appropriate shut-off valves, and drainage systems. Verified proper electrical connections, tested all safety controls, and confirmed system operation at manufacturer specifications. Installation includes integration with existing A.O. Smith water heater in mechanical room. All equipment properly labeled, secured, and commissioned for optimal performance.
# HVAC System Installation

Completed full residential HVAC system installation including a 3-ton, 17 SEER Lennox air conditioning condenser unit and 97% efficiency Lennox furnace with matching air handler. Outdoor condenser positioned on concrete pad against brick exterior wall with proper clearances maintained. Installed electrical disconnect, metering equipment, and conduit per code requirements. Indoor furnace unit installed in utility closet with PVC venting system properly configured for high-efficiency condensing operation. Connected all refrigerant lines, gas supply lines with appropriate shut-off valves, and drainage systems. Verified proper electrical connections, tested all safety controls, and confirmed system operation at manufacturer specifications. Installation includes integration with existing A.O. Smith water heater in mechanical room. All equipment properly labeled, secured, and commissioned for optimal performance.
Ian H.
Ian H. Checked in
# HVAC System Installation Completed full residential HVAC system installation including a 3-ton, 17 SEER Lennox air conditioning condenser unit and 97% efficiency Lennox furnace with matching air handler. Outdoor condenser positioned on concrete pad against brick exterior wall with proper clearances maintained. Installed electrical disconnect, metering equipment, and conduit per code requirements. Indoor furnace unit installed in utility closet with PVC venting system properly configured for high-efficiency condensing operation. Connected all refrigerant lines, gas supply lines with appropriate shut-off valves, and drainage systems. Verified proper electrical connections, tested all safety controls, and confirmed system operation at manufacturer specifications. Installation includes integration with existing A.O. Smith water heater in mechanical room. All equipment properly labeled, secured, and commissioned for optimal performance.
Newburgh, IN 47630
Completed Platinum Level annual maintenance on 6-year-old HVAC system. Inspected furnace unit and water heater installation, verified proper operation of all components, replaced 16x25x2 air filter, checked PVC condensate drainage system, and documented equipment condition with photos. All systems operating within normal parameters with no issues identified during this first annual visit.
Completed Platinum Level annual maintenance on 6-year-old HVAC system. Inspected furnace unit and water heater installation, verified proper operation of all components, replaced 16x25x2 air filter, checked PVC condensate drainage system, and documented equipment condition with photos. All systems operating within normal parameters with no issues identified during this first annual visit.
Christian C.
Christian C. Checked in
Completed Platinum Level annual maintenance on 6-year-old HVAC system. Inspected furnace unit and water heater installation, verified proper operation of all components, replaced 16x25x2 air filter, checked PVC condensate drainage system, and documented equipment condition with photos. All systems operating within normal parameters with no issues identified during this first annual visit.
Newburgh, IN 47630
Newburgh, IN - Responded to no cooling complaint on 10-month-old Lennox EL18KCV-036 system under manufacturer warranty. Diagnosed failed evaporator coil, thermostatic expansion valve (TXV), and mitigation sensor requiring replacement. Submitted warranty claim with documented model and serial number information, part specifications, and photographic evidence; estimated 4 hours for completion upon part arrival.
Shawn M.
Shawn M. Checked in
Responded to no cooling complaint on 10-month-old Lennox EL18KCV-036 system under manufacturer warranty. Diagnosed failed evaporator coil, thermostatic expansion valve (TXV), and mitigation sensor requiring replacement. Submitted warranty claim with documented model and serial number information, part specifications, and photographic evidence; estimated 4 hours for completion upon part arrival.
Newburgh, IN 47630
Newburgh, IN - Repaired leaking braze joint on refrigerant line and performed Platinum Level preventive maintenance on one HVAC system. Completed system evacuation and vacuum testing using calibrated vacuum gauge to verify repair integrity and ensure proper system operation for the one-year-old equipment during the second annual maintenance visit.
Cameron N.
Cameron N. Checked in
Repaired leaking braze joint on refrigerant line and performed Platinum Level preventive maintenance on one HVAC system. Completed system evacuation and vacuum testing using calibrated vacuum gauge to verify repair integrity and ensure proper system operation for the one-year-old equipment during the second annual maintenance visit.
Newburgh, IN 47630
Responded to no cooling complaint on residential air conditioning system less than 10 years old. Upon arrival, performed complete system diagnostic including visual inspection of outdoor condenser unit, electrical connections, and refrigerant lines. Verified proper power supply to disconnect box, checked condenser fan operation, and assessed overall unit condition. System found to be operating within normal parameters with no mechanical failures or refrigerant issues identified. Cleared minor debris from around unit and confirmed adequate airflow through condenser coils.
Responded to no cooling complaint on residential air conditioning system less than 10 years old. Upon arrival, performed complete system diagnostic including visual inspection of outdoor condenser unit, electrical connections, and refrigerant lines. Verified proper power supply to disconnect box, checked condenser fan operation, and assessed overall unit condition. System found to be operating within normal parameters with no mechanical failures or refrigerant issues identified. Cleared minor debris from around unit and confirmed adequate airflow through condenser coils.
Francis I.
Francis I. Checked in
Responded to no cooling complaint on residential air conditioning system less than 10 years old. Upon arrival, performed complete system diagnostic including visual inspection of outdoor condenser unit, electrical connections, and refrigerant lines. Verified proper power supply to disconnect box, checked condenser fan operation, and assessed overall unit condition. System found to be operating within normal parameters with no mechanical failures or refrigerant issues identified. Cleared minor debris from around unit and confirmed adequate airflow through condenser coils.
Newburgh, IN 47630
Completed Platinum Level maintenance on single HVAC system during second annual visit. Repaired leaking gas tee fitting in mechanical room, ensuring proper seal and safe operation of gas distribution components. Performed comprehensive system inspection of both indoor and outdoor equipment, including Lennox condenser unit. Replaced 20x25x4.5 air filter, checked refrigerant lines, electrical connections, and verified proper operation of all system components. All safety checks passed and system operating within manufacturer specifications.
Completed Platinum Level maintenance on single HVAC system during second annual visit. Repaired leaking gas tee fitting in mechanical room, ensuring proper seal and safe operation of gas distribution components. Performed comprehensive system inspection of both indoor and outdoor equipment, including Lennox condenser unit. Replaced 20x25x4.5 air filter, checked refrigerant lines, electrical connections, and verified proper operation of all system components. All safety checks passed and system operating within manufacturer specifications.
Danny M.
Danny M. Checked in
Completed Platinum Level maintenance on single HVAC system during second annual visit. Repaired leaking gas tee fitting in mechanical room, ensuring proper seal and safe operation of gas distribution components. Performed comprehensive system inspection of both indoor and outdoor equipment, including Lennox condenser unit. Replaced 20x25x4.5 air filter, checked refrigerant lines, electrical connections, and verified proper operation of all system components. All safety checks passed and system operating within manufacturer specifications.
Newburgh, IN 47630
Completed scheduled Platinum Level duo maintenance on residential two-system HVAC installation. Performed comprehensive inspection, cleaning, and testing of both indoor and outdoor units including condenser coils, electrical connections, refrigerant levels, and thermostat calibration. Replaced standard 20x25x2 filter and polarized 20x25x5 filter per maintenance protocol. All systems operating within manufacturer specifications with no deficiencies noted.
Completed scheduled Platinum Level duo maintenance on residential two-system HVAC installation. Performed comprehensive inspection, cleaning, and testing of both indoor and outdoor units including condenser coils, electrical connections, refrigerant levels, and thermostat calibration. Replaced standard 20x25x2 filter and polarized 20x25x5 filter per maintenance protocol. All systems operating within manufacturer specifications with no deficiencies noted.
Jeremiah H.
Jeremiah H. Checked in
Completed scheduled Platinum Level duo maintenance on residential two-system HVAC installation. Performed comprehensive inspection, cleaning, and testing of both indoor and outdoor units including condenser coils, electrical connections, refrigerant levels, and thermostat calibration. Replaced standard 20x25x2 filter and polarized 20x25x5 filter per maintenance protocol. All systems operating within manufacturer specifications with no deficiencies noted.
Newburgh, IN 47630
Responded to callback for recently installed ClimateMaster geothermal system displaying Code 20 error "ECM Configuration - Incorrect Unit Configuration/Incorrect Blower Motor" on thermostat. Accessed ECM configuration menu showing Modbus control with count of 3. Corrected blower motor parameters and unit configuration settings in thermostat programming to match installed equipment specifications. Cleared error code, verified system operation, and confirmed proper communication between thermostat and air handler. System restored to normal heating and cooling functionality.
Responded to callback for recently installed ClimateMaster geothermal system displaying Code 20 error "ECM Configuration - Incorrect Unit Configuration/Incorrect Blower Motor" on thermostat. Accessed ECM configuration menu showing Modbus control with count of 3. Corrected blower motor parameters and unit configuration settings in thermostat programming to match installed equipment specifications. Cleared error code, verified system operation, and confirmed proper communication between thermostat and air handler. System restored to normal heating and cooling functionality.
Brent D.
Brent D. Checked in
Responded to callback for recently installed ClimateMaster geothermal system displaying Code 20 error "ECM Configuration - Incorrect Unit Configuration/Incorrect Blower Motor" on thermostat. Accessed ECM configuration menu showing Modbus control with count of 3. Corrected blower motor parameters and unit configuration settings in thermostat programming to match installed equipment specifications. Cleared error code, verified system operation, and confirmed proper communication between thermostat and air handler. System restored to normal heating and cooling functionality.
Newburgh, IN 47630
Completed second annual Platinum Level maintenance visit on 9-year-old single HVAC system. Performed comprehensive system diagnostics using Fluke SC440 multimeter, recording electrical measurements including voltage readings of 3475 and resistance testing showing 0.05 ohms to verify proper component operation and electrical integrity. Inspected all system components, verified operational parameters, and noted 16x25x5 filter specification for maintenance records. System requires service agreement renewal for continued coverage.
Completed second annual Platinum Level maintenance visit on 9-year-old single HVAC system. Performed comprehensive system diagnostics using Fluke SC440 multimeter, recording electrical measurements including voltage readings of 3475 and resistance testing showing 0.05 ohms to verify proper component operation and electrical integrity. Inspected all system components, verified operational parameters, and noted 16x25x5 filter specification for maintenance records. System requires service agreement renewal for continued coverage.
Michael H.
Michael H. Checked in
Completed second annual Platinum Level maintenance visit on 9-year-old single HVAC system. Performed comprehensive system diagnostics using Fluke SC440 multimeter, recording electrical measurements including voltage readings of 3475 and resistance testing showing 0.05 ohms to verify proper component operation and electrical integrity. Inspected all system components, verified operational parameters, and noted 16x25x5 filter specification for maintenance records. System requires service agreement renewal for continued coverage.
Newburgh, IN 47630
Newburgh, IN - Completed annual Gold Level maintenance on 6-year-old HVAC system. Performed comprehensive inspection of outdoor unit, measured electrical current draw using clamp meter showing 5.93 amps, verified capacitor operation, and inspected refrigerant lines and conduit connections. Replaced 16x25x5 air filter and confirmed all system components operating within normal parameters.
Brock B.
Brock B. Checked in
Completed annual Gold Level maintenance on 6-year-old HVAC system. Performed comprehensive inspection of outdoor unit, measured electrical current draw using clamp meter showing 5.93 amps, verified capacitor operation, and inspected refrigerant lines and conduit connections. Replaced 16x25x5 air filter and confirmed all system components operating within normal parameters.
Newburgh, IN 47630
Conducted comprehensive electrical estimate for whole-home generator installation at residential property equipped with 200-amp main breaker panel and natural gas service. Assessed existing electrical infrastructure, documented main disconnect and panel capacity, and evaluated utility room space constraints for optimal generator placement and transfer switch installation.
Conducted comprehensive electrical estimate for whole-home generator installation at residential property equipped with 200-amp main breaker panel and natural gas service. Assessed existing electrical infrastructure, documented main disconnect and panel capacity, and evaluated utility room space constraints for optimal generator placement and transfer switch installation.
James W.
James W. Checked in
Conducted comprehensive electrical estimate for whole-home generator installation at residential property equipped with 200-amp main breaker panel and natural gas service. Assessed existing electrical infrastructure, documented main disconnect and panel capacity, and evaluated utility room space constraints for optimal generator placement and transfer switch installation.
Newburgh, IN 47630
Responded to service call for water intrusion affecting ductwork in crawlspace area. Upon inspection, discovered moisture infiltrating through dryer vent connection and entering the HVAC ductwork system located in below-grade crawlspace with concrete block foundation walls. Documented conditions with photographs showing affected areas including exposed ductwork, structural framing, and protective floor covering. Identified source of water entry and assessed extent of moisture penetration into the ventilation system to determine appropriate remediation recommendations.
Responded to service call for water intrusion affecting ductwork in crawlspace area. Upon inspection, discovered moisture infiltrating through dryer vent connection and entering the HVAC ductwork system located in below-grade crawlspace with concrete block foundation walls. Documented conditions with photographs showing affected areas including exposed ductwork, structural framing, and protective floor covering. Identified source of water entry and assessed extent of moisture penetration into the ventilation system to determine appropriate remediation recommendations.
Craig U.
Craig U. Checked in
Responded to service call for water intrusion affecting ductwork in crawlspace area. Upon inspection, discovered moisture infiltrating through dryer vent connection and entering the HVAC ductwork system located in below-grade crawlspace with concrete block foundation walls. Documented conditions with photographs showing affected areas including exposed ductwork, structural framing, and protective floor covering. Identified source of water entry and assessed extent of moisture penetration into the ventilation system to determine appropriate remediation recommendations.
Newburgh, IN 47630
Conducted comprehensive HVAC system replacement estimate at residential property. Evaluated existing outdoor air conditioning condenser unit positioned on concrete pad against exterior brick wall, including assessment of copper refrigerant lines, electrical disconnect, and conduit connections to meter box. Inspected indoor furnace unit and water heater located in utility room, documenting equipment specifications, ductwork configuration, and existing infrastructure to provide complete system replacement recommendations for improved energy efficiency and performance.
Conducted comprehensive HVAC system replacement estimate at residential property. Evaluated existing outdoor air conditioning condenser unit positioned on concrete pad against exterior brick wall, including assessment of copper refrigerant lines, electrical disconnect, and conduit connections to meter box. Inspected indoor furnace unit and water heater located in utility room, documenting equipment specifications, ductwork configuration, and existing infrastructure to provide complete system replacement recommendations for improved energy efficiency and performance.
Cameron N.
Cameron N. Checked in
Conducted comprehensive HVAC system replacement estimate at residential property. Evaluated existing outdoor air conditioning condenser unit positioned on concrete pad against exterior brick wall, including assessment of copper refrigerant lines, electrical disconnect, and conduit connections to meter box. Inspected indoor furnace unit and water heater located in utility room, documenting equipment specifications, ductwork configuration, and existing infrastructure to provide complete system replacement recommendations for improved energy efficiency and performance.
Newburgh, IN 47630
Completed annual Platinum Level maintenance on 3-year-old HVAC system during second scheduled visit. Performed comprehensive system inspection including electrical control panel evaluation with CoreSense diagnostics for Copeland scroll compressor, verified all contactors and capacitors functioning properly, replaced 16x25x5 filter, and recorded temperature differential readings of 67.8°F to confirm proper system operation and efficiency.
Completed annual Platinum Level maintenance on 3-year-old HVAC system during second scheduled visit. Performed comprehensive system inspection including electrical control panel evaluation with CoreSense diagnostics for Copeland scroll compressor, verified all contactors and capacitors functioning properly, replaced 16x25x5 filter, and recorded temperature differential readings of 67.8°F to confirm proper system operation and efficiency.
Michael H.
Michael H. Checked in
Completed annual Platinum Level maintenance on 3-year-old HVAC system during second scheduled visit. Performed comprehensive system inspection including electrical control panel evaluation with CoreSense diagnostics for Copeland scroll compressor, verified all contactors and capacitors functioning properly, replaced 16x25x5 filter, and recorded temperature differential readings of 67.8°F to confirm proper system operation and efficiency.
Newburgh, IN 47630
Responded to no cooling complaint on 13-year-old residential air conditioning system. Upon arrival, confirmed indoor blower motor operational but outdoor condensing unit not running with thermostat reading 70 degrees. Performed visual inspection of outdoor unit and electrical panel. Verified all circuit breakers in proper position with no tripped breakers found. Inspected condenser unit exterior condition, noting age-appropriate wear and weathering on cabinet. Checked electrical connections at disconnect and main panel. Diagnosed failure of outdoor condensing unit to energize while indoor air handler continued normal operation, indicating potential compressor contactor, capacitor, or control board failure requiring further electrical testing and component replacement to restore cooling function.
Responded to no cooling complaint on 13-year-old residential air conditioning system. Upon arrival, confirmed indoor blower motor operational but outdoor condensing unit not running with thermostat reading 70 degrees. Performed visual inspection of outdoor unit and electrical panel. Verified all circuit breakers in proper position with no tripped breakers found. Inspected condenser unit exterior condition, noting age-appropriate wear and weathering on cabinet. Checked electrical connections at disconnect and main panel. Diagnosed failure of outdoor condensing unit to energize while indoor air handler continued normal operation, indicating potential compressor contactor, capacitor, or control board failure requiring further electrical testing and component replacement to restore cooling function.
Cameron N.
Cameron N. Checked in
Responded to no cooling complaint on 13-year-old residential air conditioning system. Upon arrival, confirmed indoor blower motor operational but outdoor condensing unit not running with thermostat reading 70 degrees. Performed visual inspection of outdoor unit and electrical panel. Verified all circuit breakers in proper position with no tripped breakers found. Inspected condenser unit exterior condition, noting age-appropriate wear and weathering on cabinet. Checked electrical connections at disconnect and main panel. Diagnosed failure of outdoor condensing unit to energize while indoor air handler continued normal operation, indicating potential compressor contactor, capacitor, or control board failure requiring further electrical testing and component replacement to restore cooling function.
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.