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

Conducted on-site electrical estimate for residential backup generator installation. Assessed existing natural gas meter configuration, breaker panel capacity, and exterior placement options adjacent to air conditioning unit. Documented utility connections, gas service infrastructure, and potential installation location to provide comprehensive generator system specifications.
Conducted on-site electrical estimate for residential backup generator installation. Assessed existing natural gas meter configuration, breaker panel capacity, and exterior placement options adjacent to air conditioning unit. Documented utility connections, gas service infrastructure, and potential installation location to provide comprehensive generator system specifications.
James W.
James W. Checked in
Conducted on-site electrical estimate for residential backup generator installation. Assessed existing natural gas meter configuration, breaker panel capacity, and exterior placement options adjacent to air conditioning unit. Documented utility connections, gas service infrastructure, and potential installation location to provide comprehensive generator system specifications.
Newburgh, IN 47630
Completed monthly platinum-level preventive maintenance on a 5-year-old HVAC system. Replaced 16x25x5 air filter, performed electrical diagnostics using digital multimeter to verify proper voltage and amperage readings at the unit, and conducted thorough inspection of evaporator coil, refrigerant lines, blower assembly, and condensate drain system. All components operating within manufacturer specifications with no deficiencies noted.
Completed monthly platinum-level preventive maintenance on a 5-year-old HVAC system. Replaced 16x25x5 air filter, performed electrical diagnostics using digital multimeter to verify proper voltage and amperage readings at the unit, and conducted thorough inspection of evaporator coil, refrigerant lines, blower assembly, and condensate drain system. All components operating within manufacturer specifications with no deficiencies noted.
Michael H.
Michael H. Checked in
Completed monthly platinum-level preventive maintenance on a 5-year-old HVAC system. Replaced 16x25x5 air filter, performed electrical diagnostics using digital multimeter to verify proper voltage and amperage readings at the unit, and conducted thorough inspection of evaporator coil, refrigerant lines, blower assembly, and condensate drain system. All components operating within manufacturer specifications with no deficiencies noted.
Newburgh, IN 47630
Completed Platinum Level annual maintenance on a 10-year-old single system HVAC unit for new member's first visit. Performed comprehensive inspection of all mechanical and electrical components including blower motor assembly, control board wiring connections, gas valve assembly, and capacitor. Verified proper operation of all system components, checked electrical connections for secure contact, and inspected interior cabinet condition. All components found in functional condition with no immediate service needs identified. Unit operating within normal parameters.
Completed Platinum Level annual maintenance on a 10-year-old single system HVAC unit for new member's first visit. Performed comprehensive inspection of all mechanical and electrical components including blower motor assembly, control board wiring connections, gas valve assembly, and capacitor. Verified proper operation of all system components, checked electrical connections for secure contact, and inspected interior cabinet condition. All components found in functional condition with no immediate service needs identified. Unit operating within normal parameters.
Justin M.
Justin M. Checked in
Completed Platinum Level annual maintenance on a 10-year-old single system HVAC unit for new member's first visit. Performed comprehensive inspection of all mechanical and electrical components including blower motor assembly, control board wiring connections, gas valve assembly, and capacitor. Verified proper operation of all system components, checked electrical connections for secure contact, and inspected interior cabinet condition. All components found in functional condition with no immediate service needs identified. Unit operating within normal parameters.
Newburgh, IN 47630
Completed full HVAC system installation including a 3.5-ton, 15.5 SEER outdoor condensing unit and 97% AFUE furnace or air handler with proper refrigerant charging and system commissioning. The indoor air handler was installed in the utility closet with new flexible ductwork, PVC condensate drainage lines, and all necessary electrical connections. System was tested, pressures verified using digital manifold gauges, and confirmed operational to manufacturer specifications.
Completed full HVAC system installation including a 3.5-ton, 15.5 SEER outdoor condensing unit and 97% AFUE furnace or air handler with proper refrigerant charging and system commissioning. The indoor air handler was installed in the utility closet with new flexible ductwork, PVC condensate drainage lines, and all necessary electrical connections. System was tested, pressures verified using digital manifold gauges, and confirmed operational to manufacturer specifications.
Drake H.
Drake H. Checked in
Completed full HVAC system installation including a 3.5-ton, 15.5 SEER outdoor condensing unit and 97% AFUE furnace or air handler with proper refrigerant charging and system commissioning. The indoor air handler was installed in the utility closet with new flexible ductwork, PVC condensate drainage lines, and all necessary electrical connections. System was tested, pressures verified using digital manifold gauges, and confirmed operational to manufacturer specifications.
Newburgh, IN 47630
Completed scheduled HVAC tune-up and maintenance inspection on residential system. Performed diagnostic measurements on outdoor condensing unit, including sound level testing at 57dB and electrical parameter verification using digital multimeter. Inspected fan assembly, ductwork insulation, and overall system operation to ensure proper functioning and efficiency.
Completed scheduled HVAC tune-up and maintenance inspection on residential system. Performed diagnostic measurements on outdoor condensing unit, including sound level testing at 57dB and electrical parameter verification using digital multimeter. Inspected fan assembly, ductwork insulation, and overall system operation to ensure proper functioning and efficiency.
Michael H.
Michael H. Checked in
Completed scheduled HVAC tune-up and maintenance inspection on residential system. Performed diagnostic measurements on outdoor condensing unit, including sound level testing at 57dB and electrical parameter verification using digital multimeter. Inspected fan assembly, ductwork insulation, and overall system operation to ensure proper functioning and efficiency.
Newburgh, IN 47630
Completed first scheduled maintenance visit on HVAC system as part of quarterly maintenance plan. Performed comprehensive system inspection including examination of ECM blower motor control board, verified all electrical connections and terminal blocks were secure, and documented system components with photos. Replaced 16x25x5 air filter per maintenance schedule.
Completed first scheduled maintenance visit on HVAC system as part of quarterly maintenance plan. Performed comprehensive system inspection including examination of ECM blower motor control board, verified all electrical connections and terminal blocks were secure, and documented system components with photos. Replaced 16x25x5 air filter per maintenance schedule.
Brent D.
Brent D. Checked in
Completed first scheduled maintenance visit on HVAC system as part of quarterly maintenance plan. Performed comprehensive system inspection including examination of ECM blower motor control board, verified all electrical connections and terminal blocks were secure, and documented system components with photos. Replaced 16x25x5 air filter per maintenance schedule.
Newburgh, IN 47630
Conducted comprehensive replacement estimate for existing residential HVAC system. Evaluated current Trane outdoor condensing unit positioned on concrete pad adjacent to brick exterior wall, noting standard operational configuration with electrical disconnect present. Assessed indoor downflow furnace and evaporator coil arrangement, documenting existing vertical equipment configuration including furnace, coil, and base assembly. Recorded detailed measurements of all components and clearances for proper equipment sizing and replacement planning. Photographed outdoor unit showing age-related conditions and indoor system schematic with dimensional specifications to determine compatible replacement equipment options for complete heating and cooling system upgrade.
Conducted comprehensive replacement estimate for existing residential HVAC system. Evaluated current Trane outdoor condensing unit positioned on concrete pad adjacent to brick exterior wall, noting standard operational configuration with electrical disconnect present. Assessed indoor downflow furnace and evaporator coil arrangement, documenting existing vertical equipment configuration including furnace, coil, and base assembly. Recorded detailed measurements of all components and clearances for proper equipment sizing and replacement planning. Photographed outdoor unit showing age-related conditions and indoor system schematic with dimensional specifications to determine compatible replacement equipment options for complete heating and cooling system upgrade.
James W.
James W. Checked in
Conducted comprehensive replacement estimate for existing residential HVAC system. Evaluated current Trane outdoor condensing unit positioned on concrete pad adjacent to brick exterior wall, noting standard operational configuration with electrical disconnect present. Assessed indoor downflow furnace and evaporator coil arrangement, documenting existing vertical equipment configuration including furnace, coil, and base assembly. Recorded detailed measurements of all components and clearances for proper equipment sizing and replacement planning. Photographed outdoor unit showing age-related conditions and indoor system schematic with dimensional specifications to determine compatible replacement equipment options for complete heating and cooling system upgrade.
Newburgh, IN 47630
Completed routine cooling-season maintenance on a residential Carrier heat pump system including both indoor air handler and outdoor condensing unit. Performed comprehensive tune-up inspection, verified refrigerant charge, cleaned condenser coil, checked electrical connections, tested system operation, and documented equipment condition with photos. All components operating within manufacturer specifications with no deficiencies noted.
Completed routine cooling-season maintenance on a residential Carrier heat pump system including both indoor air handler and outdoor condensing unit. Performed comprehensive tune-up inspection, verified refrigerant charge, cleaned condenser coil, checked electrical connections, tested system operation, and documented equipment condition with photos. All components operating within manufacturer specifications with no deficiencies noted.
Jeremiah H.
Jeremiah H. Checked in
Completed routine cooling-season maintenance on a residential Carrier heat pump system including both indoor air handler and outdoor condensing unit. Performed comprehensive tune-up inspection, verified refrigerant charge, cleaned condenser coil, checked electrical connections, tested system operation, and documented equipment condition with photos. All components operating within manufacturer specifications with no deficiencies noted.
Newburgh, IN 47630
Conducted comprehensive plumbing estimate for gas tank-style water heater replacement in residential basement utility area. Assessed existing water heater installation, mechanical systems, and plumbing infrastructure including visible water supply lines and drainage configuration. Additionally provided consultation and pricing for water softener system installation to address hard water concerns.
Conducted comprehensive plumbing estimate for gas tank-style water heater replacement in residential basement utility area. Assessed existing water heater installation, mechanical systems, and plumbing infrastructure including visible water supply lines and drainage configuration. Additionally provided consultation and pricing for water softener system installation to address hard water concerns.
Isaac G.
Isaac G. Checked in
Conducted comprehensive plumbing estimate for gas tank-style water heater replacement in residential basement utility area. Assessed existing water heater installation, mechanical systems, and plumbing infrastructure including visible water supply lines and drainage configuration. Additionally provided consultation and pricing for water softener system installation to address hard water concerns.
Newburgh, IN 47630
Newburgh, IN - Completed planned annual maintenance on 17-year-old Carrier residential air conditioning system. Performed comprehensive inspection of outdoor condensing unit, verified proper operation of all components, and conducted refrigerant system diagnostics with gauges attached to service ports. Customer currently enrolled in annual maintenance program with first visit completed; system requires 20x20x5 filter replacement at indoor air handler.
Brock B.
Brock B. Checked in
Completed planned annual maintenance on 17-year-old Carrier residential air conditioning system. Performed comprehensive inspection of outdoor condensing unit, verified proper operation of all components, and conducted refrigerant system diagnostics with gauges attached to service ports. Customer currently enrolled in annual maintenance program with first visit completed; system requires 20x20x5 filter replacement at indoor air handler.
Newburgh, IN 47630
Responded to no-cooling call on residential zoned HVAC system experiencing ice buildup on both indoor and outdoor units. Upon arrival, confirmed system was properly shut off with fan running to defrost evaporator coil as previously advised. Conducted diagnostic evaluation of 5-7 year old dual-system installation to identify root cause of freezing condition, which typically indicates restricted airflow, low refrigerant charge, or failed blower components.
Responded to no-cooling call on residential zoned HVAC system experiencing ice buildup on both indoor and outdoor units. Upon arrival, confirmed system was properly shut off with fan running to defrost evaporator coil as previously advised. Conducted diagnostic evaluation of 5-7 year old dual-system installation to identify root cause of freezing condition, which typically indicates restricted airflow, low refrigerant charge, or failed blower components.
Francis I.
Francis I. Checked in
Responded to no-cooling call on residential zoned HVAC system experiencing ice buildup on both indoor and outdoor units. Upon arrival, confirmed system was properly shut off with fan running to defrost evaporator coil as previously advised. Conducted diagnostic evaluation of 5-7 year old dual-system installation to identify root cause of freezing condition, which typically indicates restricted airflow, low refrigerant charge, or failed blower components.
Newburgh, IN 47630
Completed HVAC estimate for residential air conditioning system replacement. Assessed existing 15-year-old outdoor condenser unit and documented current installation conditions. Photographed Lennox equipment, electrical disconnects, refrigerant line sets, and wall penetrations to provide comprehensive replacement proposal for aging system.
Completed HVAC estimate for residential air conditioning system replacement. Assessed existing 15-year-old outdoor condenser unit and documented current installation conditions. Photographed Lennox equipment, electrical disconnects, refrigerant line sets, and wall penetrations to provide comprehensive replacement proposal for aging system.
James W.
James W. Checked in
Completed HVAC estimate for residential air conditioning system replacement. Assessed existing 15-year-old outdoor condenser unit and documented current installation conditions. Photographed Lennox equipment, electrical disconnects, refrigerant line sets, and wall penetrations to provide comprehensive replacement proposal for aging system.
Newburgh, IN 47630
Completed scheduled preventive maintenance on residential split HVAC system consisting of Payne air conditioning condensing unit and Carrier furnace. Performed comprehensive tune-up including inspection of outdoor condenser coils, verification of refrigerant lines, electrical connections, and system controls. Confirmed proper operation of both heating and cooling equipment, documented system conditions with photographic records, and verified all components functioning within manufacturer specifications.
Completed scheduled preventive maintenance on residential split HVAC system consisting of Payne air conditioning condensing unit and Carrier furnace. Performed comprehensive tune-up including inspection of outdoor condenser coils, verification of refrigerant lines, electrical connections, and system controls. Confirmed proper operation of both heating and cooling equipment, documented system conditions with photographic records, and verified all components functioning within manufacturer specifications.
Justin M.
Justin M. Checked in
Completed scheduled preventive maintenance on residential split HVAC system consisting of Payne air conditioning condensing unit and Carrier furnace. Performed comprehensive tune-up including inspection of outdoor condenser coils, verification of refrigerant lines, electrical connections, and system controls. Confirmed proper operation of both heating and cooling equipment, documented system conditions with photographic records, and verified all components functioning within manufacturer specifications.
Newburgh, IN 47630
Newburgh, IN - Completed installation of a 3-ton, 14 SEER air conditioning system with matching evaporator coil. All refrigerant lines were properly connected, system was pressure tested, evacuated, and charged to manufacturer specifications, with successful startup and operational verification performed.
Addison B.
Addison B. Checked in
Completed installation of a 3-ton, 14 SEER air conditioning system with matching evaporator coil. All refrigerant lines were properly connected, system was pressure tested, evacuated, and charged to manufacturer specifications, with successful startup and operational verification performed.
Newburgh, IN 47630
Completed dismissed visit on single-system residential property with 1-year-old Platinum equipment. Performed visual inspection of Honeywell Home Smart SI thermostat and exterior condensing unit. Collected air filter and confirmed annual maintenance agreement already renewed. Both indoor and outdoor components operating normally with no service interventions required at this time.
Completed dismissed visit on single-system residential property with 1-year-old Platinum equipment. Performed visual inspection of Honeywell Home Smart SI thermostat and exterior condensing unit. Collected air filter and confirmed annual maintenance agreement already renewed. Both indoor and outdoor components operating normally with no service interventions required at this time.
Jeremiah H.
Jeremiah H. Checked in
Completed dismissed visit on single-system residential property with 1-year-old Platinum equipment. Performed visual inspection of Honeywell Home Smart SI thermostat and exterior condensing unit. Collected air filter and confirmed annual maintenance agreement already renewed. Both indoor and outdoor components operating normally with no service interventions required at this time.
Newburgh, IN 47630
Completed first scheduled maintenance visit for 3-month service interval on HVAC system. Installed new 20x25x5 Pure Air filtration media and verified thermostat operation and system settings. Inspected control board wiring connections and confirmed all terminal connections secure at system interface points.
Completed first scheduled maintenance visit for 3-month service interval on HVAC system. Installed new 20x25x5 Pure Air filtration media and verified thermostat operation and system settings. Inspected control board wiring connections and confirmed all terminal connections secure at system interface points.
Tyler C.
Tyler C. Checked in
Completed first scheduled maintenance visit for 3-month service interval on HVAC system. Installed new 20x25x5 Pure Air filtration media and verified thermostat operation and system settings. Inspected control board wiring connections and confirmed all terminal connections secure at system interface points.
Newburgh, IN 47630
Responded to service call for outdoor AC unit damaged by falling tree limb. Upon arrival, inspected less than one-year-old unit and found visible damage to top housing with reported vibration and noise issues. Removed access panel to assess internal components including blower assembly, capacitor, wiring connections, and refrigerant lines for impact damage. Documented unit condition with photos showing external housing damage and internal component inspection. System had not been operated since incident occurred due to safety concerns.
Responded to service call for outdoor AC unit damaged by falling tree limb. Upon arrival, inspected less than one-year-old unit and found visible damage to top housing with reported vibration and noise issues. Removed access panel to assess internal components including blower assembly, capacitor, wiring connections, and refrigerant lines for impact damage. Documented unit condition with photos showing external housing damage and internal component inspection. System had not been operated since incident occurred due to safety concerns.
Cameron N.
Cameron N. Checked in
Responded to service call for outdoor AC unit damaged by falling tree limb. Upon arrival, inspected less than one-year-old unit and found visible damage to top housing with reported vibration and noise issues. Removed access panel to assess internal components including blower assembly, capacitor, wiring connections, and refrigerant lines for impact damage. Documented unit condition with photos showing external housing damage and internal component inspection. System had not been operated since incident occurred due to safety concerns.
Newburgh, IN 47630
Responded to service call for reduced cooling performance on four-year-old Fujitsu Halcyon mini-split system. Upon arrival, conducted visual inspection of outdoor condenser unit and documented equipment condition with photographs showing unit installed on concrete pad against building exterior with proper clearances maintained. Unit appeared clean with no visible debris obstruction to airflow through ventilation louvers, and refrigerant lines showed proper insulation and secure mounting to structure. Performed standard diagnostic evaluation to assess system operation and identify cause of diminished cooling capacity.
Responded to service call for reduced cooling performance on four-year-old Fujitsu Halcyon mini-split system. Upon arrival, conducted visual inspection of outdoor condenser unit and documented equipment condition with photographs showing unit installed on concrete pad against building exterior with proper clearances maintained. Unit appeared clean with no visible debris obstruction to airflow through ventilation louvers, and refrigerant lines showed proper insulation and secure mounting to structure. Performed standard diagnostic evaluation to assess system operation and identify cause of diminished cooling capacity.
Francis I.
Francis I. Checked in
Responded to service call for reduced cooling performance on four-year-old Fujitsu Halcyon mini-split system. Upon arrival, conducted visual inspection of outdoor condenser unit and documented equipment condition with photographs showing unit installed on concrete pad against building exterior with proper clearances maintained. Unit appeared clean with no visible debris obstruction to airflow through ventilation louvers, and refrigerant lines showed proper insulation and secure mounting to structure. Performed standard diagnostic evaluation to assess system operation and identify cause of diminished cooling capacity.
Newburgh, IN 47630
Performed comprehensive HVAC replacement estimate for residential system unable to maintain adequate temperature control. Evaluated existing downflow furnace configuration with coil assembly, documented equipment specifications including dimensional measurements and installation requirements. Assessed current thermostat wiring connections and terminal configurations, photographed system schematic showing uninsulated ductwork components requiring attention during replacement. Reviewed financing options with homeowner for complete system replacement to restore proper heating and cooling capacity.
Performed comprehensive HVAC replacement estimate for residential system unable to maintain adequate temperature control. Evaluated existing downflow furnace configuration with coil assembly, documented equipment specifications including dimensional measurements and installation requirements. Assessed current thermostat wiring connections and terminal configurations, photographed system schematic showing uninsulated ductwork components requiring attention during replacement. Reviewed financing options with homeowner for complete system replacement to restore proper heating and cooling capacity.
James W.
James W. Checked in
Performed comprehensive HVAC replacement estimate for residential system unable to maintain adequate temperature control. Evaluated existing downflow furnace configuration with coil assembly, documented equipment specifications including dimensional measurements and installation requirements. Assessed current thermostat wiring connections and terminal configurations, photographed system schematic showing uninsulated ductwork components requiring attention during replacement. Reviewed financing options with homeowner for complete system replacement to restore proper heating and cooling capacity.
Newburgh, IN 47630
Performed comprehensive heating and cooling load calculations for complete HVAC system replacement. Calculated heating requirements at 89,384 BTUh with 1,161 CFM airflow and cooling requirements at 56,373 BTUh with 2,094 CFM airflow. Documented existing system conditions showing significant dust accumulation throughout ductwork and air handler components, indicating poor filtration and maintenance history. Captured technical data and equipment specifications to develop accurate replacement estimate for properly sized system based on actual load requirements.
Performed comprehensive heating and cooling load calculations for complete HVAC system replacement. Calculated heating requirements at 89,384 BTUh with 1,161 CFM airflow and cooling requirements at 56,373 BTUh with 2,094 CFM airflow. Documented existing system conditions showing significant dust accumulation throughout ductwork and air handler components, indicating poor filtration and maintenance history. Captured technical data and equipment specifications to develop accurate replacement estimate for properly sized system based on actual load requirements.
Danny M.
Danny M. Checked in
Performed comprehensive heating and cooling load calculations for complete HVAC system replacement. Calculated heating requirements at 89,384 BTUh with 1,161 CFM airflow and cooling requirements at 56,373 BTUh with 2,094 CFM airflow. Documented existing system conditions showing significant dust accumulation throughout ductwork and air handler components, indicating poor filtration and maintenance history. Captured technical data and equipment specifications to develop accurate replacement estimate for properly sized system based on actual load requirements.
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.