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

Completed monthly platinum-level maintenance on a 3-year-old HVAC system, including replacement of 16x25x5 filter, comprehensive system inspection, and electrical diagnostics using clamp meter to verify proper amperage and system performance. Documented exterior condensing unit condition showing weathered penetration through brick wall with deteriorated mortar and minor staining, and captured electrical readings at indoor air handler to confirm system operating within manufacturer specifications.
Completed monthly platinum-level maintenance on a 3-year-old HVAC system, including replacement of 16x25x5 filter, comprehensive system inspection, and electrical diagnostics using clamp meter to verify proper amperage and system performance. Documented exterior condensing unit condition showing weathered penetration through brick wall with deteriorated mortar and minor staining, and captured electrical readings at indoor air handler to confirm system operating within manufacturer specifications.
Michael H.
Michael H. Checked in
Completed monthly platinum-level maintenance on a 3-year-old HVAC system, including replacement of 16x25x5 filter, comprehensive system inspection, and electrical diagnostics using clamp meter to verify proper amperage and system performance. Documented exterior condensing unit condition showing weathered penetration through brick wall with deteriorated mortar and minor staining, and captured electrical readings at indoor air handler to confirm system operating within manufacturer specifications.
Newburgh, IN 47630
# HVAC Maintenance Summary

Completed second annual Platinum Level maintenance service on a 5-year-old HVAC system. Performed comprehensive inspection of outdoor condensing unit, including electrical component testing and capacitor evaluation using digital multimeter, which confirmed proper operating values at 33.04 MFD. Replaced 20x20x5 air filter, inspected all electrical connections and wiring, and verified system performance. All components operating within manufacturer specifications. System ready for continued service, with annual maintenance renewal due.
# HVAC Maintenance Summary

Completed second annual Platinum Level maintenance service on a 5-year-old HVAC system. Performed comprehensive inspection of outdoor condensing unit, including electrical component testing and capacitor evaluation using digital multimeter, which confirmed proper operating values at 33.04 MFD. Replaced 20x20x5 air filter, inspected all electrical connections and wiring, and verified system performance. All components operating within manufacturer specifications. System ready for continued service, with annual maintenance renewal due.
Michael H.
Michael H. Checked in
# HVAC Maintenance Summary Completed second annual Platinum Level maintenance service on a 5-year-old HVAC system. Performed comprehensive inspection of outdoor condensing unit, including electrical component testing and capacitor evaluation using digital multimeter, which confirmed proper operating values at 33.04 MFD. Replaced 20x20x5 air filter, inspected all electrical connections and wiring, and verified system performance. All components operating within manufacturer specifications. System ready for continued service, with annual maintenance renewal due.
Newburgh, IN 47630
Newburgh, IN - Completed annual maintenance on State brand residential gas tanked water heater as part of Bronze maintenance plan. Performed standard flush procedure to remove sediment buildup from tank, inspected all plumbing connections and copper piping for leaks or corrosion, verified proper operation of temperature and pressure relief valve, and confirmed gas control assembly and venting system are functioning correctly. Unit operating within normal parameters upon completion.
Mike P.
Mike P. Checked in
Completed annual maintenance on State brand residential gas tanked water heater as part of Bronze maintenance plan. Performed standard flush procedure to remove sediment buildup from tank, inspected all plumbing connections and copper piping for leaks or corrosion, verified proper operation of temperature and pressure relief valve, and confirmed gas control assembly and venting system are functioning correctly. Unit operating within normal parameters upon completion.
Newburgh, IN 47630
Completed second Platinum Level maintenance visit on 3-year-old single HVAC system. Performed comprehensive inspection of refrigerant evaporator unit (Aspen model CC42C44210R057, R-410A refrigerant with TXV installed). Replaced air filters including 20x25x4 and 20x25x1 polarized filters. Inspected electrical components including CoreSense Diagnostics module, capacitor, and associated wiring connections. All components found operating within normal parameters with proper wire routing and secure connections maintained throughout system.
Completed second Platinum Level maintenance visit on 3-year-old single HVAC system. Performed comprehensive inspection of refrigerant evaporator unit (Aspen model CC42C44210R057, R-410A refrigerant with TXV installed). Replaced air filters including 20x25x4 and 20x25x1 polarized filters. Inspected electrical components including CoreSense Diagnostics module, capacitor, and associated wiring connections. All components found operating within normal parameters with proper wire routing and secure connections maintained throughout system.
Christian C.
Christian C. Checked in
Completed second Platinum Level maintenance visit on 3-year-old single HVAC system. Performed comprehensive inspection of refrigerant evaporator unit (Aspen model CC42C44210R057, R-410A refrigerant with TXV installed). Replaced air filters including 20x25x4 and 20x25x1 polarized filters. Inspected electrical components including CoreSense Diagnostics module, capacitor, and associated wiring connections. All components found operating within normal parameters with proper wire routing and secure connections maintained throughout system.
Newburgh, IN 47630
Responded to no cooling complaint on Lennox XP21-036-230-06 heat pump system. Diagnosed failed S40 control board preventing unit operation. Documented model and serial number information, confirmed HFC-410A refrigerant specifications, and photographed equipment nameplate for warranty part ordering with estimated 1-hour installation time upon part arrival.
Responded to no cooling complaint on Lennox XP21-036-230-06 heat pump system. Diagnosed failed S40 control board preventing unit operation. Documented model and serial number information, confirmed HFC-410A refrigerant specifications, and photographed equipment nameplate for warranty part ordering with estimated 1-hour installation time upon part arrival.
Kevin H.
Kevin H. Checked in
Responded to no cooling complaint on Lennox XP21-036-230-06 heat pump system. Diagnosed failed S40 control board preventing unit operation. Documented model and serial number information, confirmed HFC-410A refrigerant specifications, and photographed equipment nameplate for warranty part ordering with estimated 1-hour installation time upon part arrival.
Newburgh, IN 47630
Conducted on-site evaluation of existing air conditioning system to provide comparative estimate for 2.5-ton multi-stage cooling system replacement. Inspected outdoor condensing unit, control board components, electrical connections, and system configuration. Documented equipment condition and specifications through detailed photography for proposal development.
Conducted on-site evaluation of existing air conditioning system to provide comparative estimate for 2.5-ton multi-stage cooling system replacement. Inspected outdoor condensing unit, control board components, electrical connections, and system configuration. Documented equipment condition and specifications through detailed photography for proposal development.
James W.
James W. Checked in
Conducted on-site evaluation of existing air conditioning system to provide comparative estimate for 2.5-ton multi-stage cooling system replacement. Inspected outdoor condensing unit, control board components, electrical connections, and system configuration. Documented equipment condition and specifications through detailed photography for proposal development.
Newburgh, IN 47630
Completed annual Platinum Level maintenance on a 5-year-old single HVAC system. Performed comprehensive system diagnostics including electrical measurements with multimeter, replaced 20x25x2 air filter, and conducted full inspection of all components per manufacturer specifications. All system parameters tested within normal operating ranges and unit is functioning properly.
Completed annual Platinum Level maintenance on a 5-year-old single HVAC system. Performed comprehensive system diagnostics including electrical measurements with multimeter, replaced 20x25x2 air filter, and conducted full inspection of all components per manufacturer specifications. All system parameters tested within normal operating ranges and unit is functioning properly.
Michael H.
Michael H. Checked in
Completed annual Platinum Level maintenance on a 5-year-old single HVAC system. Performed comprehensive system diagnostics including electrical measurements with multimeter, replaced 20x25x2 air filter, and conducted full inspection of all components per manufacturer specifications. All system parameters tested within normal operating ranges and unit is functioning properly.
Newburgh, IN 47630
Completed annual Gold Level maintenance on 5-year-old mini split system. Performed comprehensive inspection, measured operating temperatures and pressures, verified level installation of indoor unit, and documented system conditions with photos. All components operating within manufacturer specifications at time of service.
Completed annual Gold Level maintenance on 5-year-old mini split system. Performed comprehensive inspection, measured operating temperatures and pressures, verified level installation of indoor unit, and documented system conditions with photos. All components operating within manufacturer specifications at time of service.
Brent D.
Brent D. Checked in
Completed annual Gold Level maintenance on 5-year-old mini split system. Performed comprehensive inspection, measured operating temperatures and pressures, verified level installation of indoor unit, and documented system conditions with photos. All components operating within manufacturer specifications at time of service.
Newburgh, IN 47630
Newburgh, IN - Performed annual maintenance on residential Whirlpool tanked water heater as part of scheduled preventative service plan. Completed standard water heater flush procedure to remove sediment buildup from tank bottom, inspected all plumbing connections including copper supply lines and shut-off valves for leaks or corrosion, verified proper operation of temperature and pressure relief valve, and confirmed gas line connections were secure. System tested and returned to normal operation with no issues identified.
Mike P.
Mike P. Checked in
Performed annual maintenance on residential Whirlpool tanked water heater as part of scheduled preventative service plan. Completed standard water heater flush procedure to remove sediment buildup from tank bottom, inspected all plumbing connections including copper supply lines and shut-off valves for leaks or corrosion, verified proper operation of temperature and pressure relief valve, and confirmed gas line connections were secure. System tested and returned to normal operation with no issues identified.
Newburgh, IN 47630
Newburgh, IN - Responded to service call regarding attic ventilation fan that had ceased operation after producing unusual noise. Performed visual inspection of fan unit mounted on OSB sheathing, noting dust accumulation on blue plastic blades and examining motor housing with radial slot ventilation pattern and metallic flexible conduit connection. Documented current condition of non-operational fan assembly with photographs and advised customer that electrician will contact them to discuss diagnostic findings and schedule appropriate repair or replacement work.
Brody J.
Brody J. Checked in
Responded to service call regarding attic ventilation fan that had ceased operation after producing unusual noise. Performed visual inspection of fan unit mounted on OSB sheathing, noting dust accumulation on blue plastic blades and examining motor housing with radial slot ventilation pattern and metallic flexible conduit connection. Documented current condition of non-operational fan assembly with photographs and advised customer that electrician will contact them to discuss diagnostic findings and schedule appropriate repair or replacement work.
Newburgh, IN 47630
Conducted comprehensive on-site electrical assessment for standby generator installation at residential property. Evaluated existing electrical infrastructure including main breaker panel located in basement utility area, documented current electrical service capacity and available circuit positions. Assessed natural gas supply system and metering equipment mounted on exterior brick wall to confirm adequate fuel source availability for generator operation. Photographed electrical panel configuration showing circuit breaker arrangement and conduit routing, as well as gas meter installation to determine proper tie-in points for generator fuel line connection. Verified compatibility of existing electrical service with proposed automatic transfer switch installation requirements and confirmed proper grounding provisions present at main panel location.
Conducted comprehensive on-site electrical assessment for standby generator installation at residential property. Evaluated existing electrical infrastructure including main breaker panel located in basement utility area, documented current electrical service capacity and available circuit positions. Assessed natural gas supply system and metering equipment mounted on exterior brick wall to confirm adequate fuel source availability for generator operation. Photographed electrical panel configuration showing circuit breaker arrangement and conduit routing, as well as gas meter installation to determine proper tie-in points for generator fuel line connection. Verified compatibility of existing electrical service with proposed automatic transfer switch installation requirements and confirmed proper grounding provisions present at main panel location.
James W.
James W. Checked in
Conducted comprehensive on-site electrical assessment for standby generator installation at residential property. Evaluated existing electrical infrastructure including main breaker panel located in basement utility area, documented current electrical service capacity and available circuit positions. Assessed natural gas supply system and metering equipment mounted on exterior brick wall to confirm adequate fuel source availability for generator operation. Photographed electrical panel configuration showing circuit breaker arrangement and conduit routing, as well as gas meter installation to determine proper tie-in points for generator fuel line connection. Verified compatibility of existing electrical service with proposed automatic transfer switch installation requirements and confirmed proper grounding provisions present at main panel location.
Newburgh, IN 47630
Responded to no cooling complaint on 10+ year old residential HVAC system with thermostat set to 73°F and indoor temperature at 77°F. Upon arrival, confirmed unit was running with airflow present but insufficient cooling, and drain line showed no condensation production. Performed diagnostic evaluation of system components including electrical panel, furnace assembly, and ductwork configuration. Identified cooling deficiency and provided customer with repair recommendations for the aging system to restore proper cooling capacity and condensate drainage.
Responded to no cooling complaint on 10+ year old residential HVAC system with thermostat set to 73°F and indoor temperature at 77°F. Upon arrival, confirmed unit was running with airflow present but insufficient cooling, and drain line showed no condensation production. Performed diagnostic evaluation of system components including electrical panel, furnace assembly, and ductwork configuration. Identified cooling deficiency and provided customer with repair recommendations for the aging system to restore proper cooling capacity and condensate drainage.
Danny M.
Danny M. Checked in
Responded to no cooling complaint on 10+ year old residential HVAC system with thermostat set to 73°F and indoor temperature at 77°F. Upon arrival, confirmed unit was running with airflow present but insufficient cooling, and drain line showed no condensation production. Performed diagnostic evaluation of system components including electrical panel, furnace assembly, and ductwork configuration. Identified cooling deficiency and provided customer with repair recommendations for the aging system to restore proper cooling capacity and condensate drainage.
Newburgh, IN 47630
Newburgh, IN - Completed annual planned maintenance visit on 2-year-old Lennox heating system located in basement mechanical room. Performed comprehensive system inspection including filter evaluation, visual assessment of furnace components, electrical connections, and venting system integrity. All operational parameters verified within manufacturer specifications and system found to be functioning properly.
Ricky B.
Ricky B. Checked in
Completed annual planned maintenance visit on 2-year-old Lennox heating system located in basement mechanical room. Performed comprehensive system inspection including filter evaluation, visual assessment of furnace components, electrical connections, and venting system integrity. All operational parameters verified within manufacturer specifications and system found to be functioning properly.
Newburgh, IN 47630
# HVAC Maintenance Report

Completed comprehensive platinum-level preventive maintenance on a 6-year-old HVAC system during the second annual visit. Performed full system inspection of the air handler unit, including interior cabinet components, blower motor assembly, electrical connections, and control boards. Verified proper operation of all electrical components, including the dual green circuit boards and associated wiring harnesses. Inspected the Honeywell control unit mounted in the mechanical room, confirmed all indicator lights functioning properly and system controls operating within normal parameters.

Replaced the 20x25x5 air filter as part of routine maintenance protocol. Examined all wire connections for security and proper routing, noting organized wire management throughout the system. Checked condensate drainage lines for proper flow and clearance. Assessed blower motor operation and verified all mechanical connections secure. Inspected ductwork connections and cabinet
# HVAC Maintenance Report

Completed comprehensive platinum-level preventive maintenance on a 6-year-old HVAC system during the second annual visit. Performed full system inspection of the air handler unit, including interior cabinet components, blower motor assembly, electrical connections, and control boards. Verified proper operation of all electrical components, including the dual green circuit boards and associated wiring harnesses. Inspected the Honeywell control unit mounted in the mechanical room, confirmed all indicator lights functioning properly and system controls operating within normal parameters.

Replaced the 20x25x5 air filter as part of routine maintenance protocol. Examined all wire connections for security and proper routing, noting organized wire management throughout the system. Checked condensate drainage lines for proper flow and clearance. Assessed blower motor operation and verified all mechanical connections secure. Inspected ductwork connections and cabinet
Christian C.
Christian C. Checked in
# HVAC Maintenance Report Completed comprehensive platinum-level preventive maintenance on a 6-year-old HVAC system during the second annual visit. Performed full system inspection of the air handler unit, including interior cabinet components, blower motor assembly, electrical connections, and control boards. Verified proper operation of all electrical components, including the dual green circuit boards and associated wiring harnesses. Inspected the Honeywell control unit mounted in the mechanical room, confirmed all indicator lights functioning properly and system controls operating within normal parameters. Replaced the 20x25x5 air filter as part of routine maintenance protocol. Examined all wire connections for security and proper routing, noting organized wire management throughout the system. Checked condensate drainage lines for proper flow and clearance. Assessed blower motor operation and verified all mechanical connections secure. Inspected ductwork connections and cabinet
Newburgh, IN 47630
Newburgh, IN - Completed first-time planned maintenance visit on 12-year-old Carrier furnace system with 16x25x5 filter specification. Performed standard inspection of furnace unit, ductwork connections, and associated HVAC components in residential utility space, documented equipment condition through photographic records, and verified system operational status.
Danny M.
Danny M. Checked in
Completed first-time planned maintenance visit on 12-year-old Carrier furnace system with 16x25x5 filter specification. Performed standard inspection of furnace unit, ductwork connections, and associated HVAC components in residential utility space, documented equipment condition through photographic records, and verified system operational status.
Newburgh, IN 47630
Newburgh, IN - # Tankless Water Heater Maintenance Service

Performed comprehensive USA Bronze level tankless water heater flush and descaling service. Connected circulation pump system with isolation valves to flush unit using food-grade descaling solution to remove mineral buildup and sediment accumulation from heat exchanger. Drained contaminated flush solution showing significant sediment discharge, indicating effective removal of scale deposits from internal components. Verified proper operation of all circulation pumps, checked valve function throughout the multi-zone heating system, and confirmed restoration of optimal water flow and heat transfer efficiency upon completion of the maintenance procedure.
Mike P.
Mike P. Checked in
# Tankless Water Heater Maintenance Service Performed comprehensive USA Bronze level tankless water heater flush and descaling service. Connected circulation pump system with isolation valves to flush unit using food-grade descaling solution to remove mineral buildup and sediment accumulation from heat exchanger. Drained contaminated flush solution showing significant sediment discharge, indicating effective removal of scale deposits from internal components. Verified proper operation of all circulation pumps, checked valve function throughout the multi-zone heating system, and confirmed restoration of optimal water flow and heat transfer efficiency upon completion of the maintenance procedure.
Newburgh, IN 47630
Conducted comprehensive electrical estimate for whole-house natural gas generator installation at residential property. Evaluated existing 200-amp electrical service panel with adequate breaker capacity for generator integration and documented natural gas meter assembly with Itron digital display and existing gas line infrastructure for fuel supply connection. Assessment confirmed compatibility of current electrical distribution system and natural gas service for proposed automatic standby generator system with required transfer switch installation.
Conducted comprehensive electrical estimate for whole-house natural gas generator installation at residential property. Evaluated existing 200-amp electrical service panel with adequate breaker capacity for generator integration and documented natural gas meter assembly with Itron digital display and existing gas line infrastructure for fuel supply connection. Assessment confirmed compatibility of current electrical distribution system and natural gas service for proposed automatic standby generator system with required transfer switch installation.
James W.
James W. Checked in
Conducted comprehensive electrical estimate for whole-house natural gas generator installation at residential property. Evaluated existing 200-amp electrical service panel with adequate breaker capacity for generator integration and documented natural gas meter assembly with Itron digital display and existing gas line infrastructure for fuel supply connection. Assessment confirmed compatibility of current electrical distribution system and natural gas service for proposed automatic standby generator system with required transfer switch installation.
Newburgh, IN 47630
Newburgh, IN - Completed installation of water softener system with integrated filtration unit in utility room. Configured copper piping loop to facilitate proper water flow through both the primary water softener unit and secondary blue cylindrical filter mounted vertically above the main system. Connected all plumbing components and verified system operation through digital control panel to ensure proper water treatment functionality.
Mike P.
Mike P. Checked in
Completed installation of water softener system with integrated filtration unit in utility room. Configured copper piping loop to facilitate proper water flow through both the primary water softener unit and secondary blue cylindrical filter mounted vertically above the main system. Connected all plumbing components and verified system operation through digital control panel to ensure proper water treatment functionality.
Newburgh, IN 47630
Completed first visit of annual Platinum Level maintenance on dual HVAC system in residential home. Performed comprehensive inspection and servicing of both 3-year-old units, including electrical diagnostics with digital multimeter, system performance verification, and filter replacement with 16x25x5 and 20x25x5 filters. Both outdoor condenser units inspected and serviced, with all components operating within normal parameters.
Completed first visit of annual Platinum Level maintenance on dual HVAC system in residential home. Performed comprehensive inspection and servicing of both 3-year-old units, including electrical diagnostics with digital multimeter, system performance verification, and filter replacement with 16x25x5 and 20x25x5 filters. Both outdoor condenser units inspected and serviced, with all components operating within normal parameters.
Michael H.
Michael H. Checked in
Completed first visit of annual Platinum Level maintenance on dual HVAC system in residential home. Performed comprehensive inspection and servicing of both 3-year-old units, including electrical diagnostics with digital multimeter, system performance verification, and filter replacement with 16x25x5 and 20x25x5 filters. Both outdoor condenser units inspected and serviced, with all components operating within normal parameters.
Newburgh, IN 47630
Responded to service call for excessive indoor humidity levels reaching 70 percent with visible mold growth, despite system maintaining cooling function. Performed diagnostic evaluation of 4-year-old HVAC system to identify dehumidification failure. Inspected furnace unit, ductwork connections, and condensate drainage system. Discovered compromised insulation and possible airflow restriction in wall cavity near air handler, with displaced fiberglass insulation and flexible drainage lines requiring attention. Documented equipment condition and system performance issues affecting humidity control. Provided recommendations for insulation repair, condensate line maintenance, and potential dehumidification enhancement to resolve moisture control problems and prevent further mold development.
Responded to service call for excessive indoor humidity levels reaching 70 percent with visible mold growth, despite system maintaining cooling function. Performed diagnostic evaluation of 4-year-old HVAC system to identify dehumidification failure. Inspected furnace unit, ductwork connections, and condensate drainage system. Discovered compromised insulation and possible airflow restriction in wall cavity near air handler, with displaced fiberglass insulation and flexible drainage lines requiring attention. Documented equipment condition and system performance issues affecting humidity control. Provided recommendations for insulation repair, condensate line maintenance, and potential dehumidification enhancement to resolve moisture control problems and prevent further mold development.
Danny M.
Danny M. Checked in
Responded to service call for excessive indoor humidity levels reaching 70 percent with visible mold growth, despite system maintaining cooling function. Performed diagnostic evaluation of 4-year-old HVAC system to identify dehumidification failure. Inspected furnace unit, ductwork connections, and condensate drainage system. Discovered compromised insulation and possible airflow restriction in wall cavity near air handler, with displaced fiberglass insulation and flexible drainage lines requiring attention. Documented equipment condition and system performance issues affecting humidity control. Provided recommendations for insulation repair, condensate line maintenance, and potential dehumidification enhancement to resolve moisture control problems and prevent further mold development.
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.