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

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

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Heating, Cooling & Indoor Air Quality in Boonville, IN

A good HVAC system in your home can make hot and cold days much more bearable. If your heater or air conditioner isn’t keeping up with the outdoor temperatures, look to A+ Derr Heating & Cooling for help. Our expert technicians can uncover the root cause of your system’s issues and provide the most necessary solutions.Contact the A+ Derr team online or call 833-232-4328 to schedule HVAC services at your Boonville home.

Heating Services

Staying warm during the cold winter months requires a top-notch heating unit. When it’s time for repair, replacement, or maintenance, turn to the pros at A+ Derr. We can provide services for every type of heating unit, including:

  • Furnaces: We guarantee that your furnace has a good heating element, blower motor, and air filter. We provide furnace installation, maintenance, and repairs.
  • Heat Pumps: We’ll make sure your heat pump is still moving heat energy into your home from outside.
  • Ductless mini-splits: We’ll ensure that your wall-mounted mini-split can still control the climate in your room.

Air Conditioning in Boonville, IN

Even in Indiana, the summer temperatures can reach well into the 80s and 90s. Is your AC ready to keep you cool all summer long? If not, turn to the A+ Derr team for assistance. We offer:

  • Installation and replacement: Our team can replace your old, dying AC with a brand-new, energy-efficient model.
  • Repair: Our staff can diagnose and resolve any problem going on with your AC unit.
  • Maintenance: Our crew can perform a comprehensive, multipoint inspection of the internal workings of your AC system.

Whether you have an air conditioner, heat pump, or series of ductless mini-splits, look to A+ Derr for the services you need most. Call 833-232-4328 now or contact us online to get started.

Benefits of Upgrading Your HVAC System

Replacing any part of your HVAC system can make a world of difference in your home’s climate. Just a few perks of replacing your system include:

  • Consistent heating and cooling for every room: Enjoy comfortable temperatures wherever you go in your house.
  • Lower energy bills and a reduced carbon footprint: Save money and help save the planet simultaneously.
  • Less chance of needing regular repairs and maintenance: New HVAC systems are much less likely to need repairs for a while after installation.

Reach out to A+ Derr online or call 833-232-4328 now to schedule HVAC system replacement services in Boonville.

Indoor Air Quality Services

Breathing the cleanest air possible is vital to your health. With the right indoor air quality services, you can rest easy knowing your air is pure. You may have low-quality air throughout your home if:

  • You have experienced more allergies in recent months
  • You notice layers of dust on your tables and surfaces
  • Your HVAC filters seem dustier than ever before

Enjoy clean air every day with help from A+ Derr. Contact us online or call our team at 833-232-4328 to schedule IAQ services.

Why Choose A+ Derr?

Since 1975, A+ Derr has been resolving HVAC problems for clients throughout the Boonville region. Our fourth-generation family business treats every client like one of our own. You can count on us for free estimates, 24/7 emergency service, Lennox-brand HVAC units, and a 100% satisfaction guarantee.Schedule HVAC services in Boonville, IN, now by calling 833-232-4328 or contacting us online.

Recent Jobs and Reviews in Boonville, IN

Job Locations and Reviews

Boonville, IN - Completed installation of a bypass humidifier to replace existing unit and repaired damaged drain pipe that was chipped since initial installation. System is now fully operational with proper drainage functionality restored, ensuring optimal humidity control for the HVAC system.
Danny M.
Danny M. Checked in
Completed installation of a bypass humidifier to replace existing unit and repaired damaged drain pipe that was chipped since initial installation. System is now fully operational with proper drainage functionality restored, ensuring optimal humidity control for the HVAC system.
Boonville, IN 47601
Performed Platinum Level maintenance on 25-year-old HVAC system with 20x25x5 filter. Identified significant water damage/rust staining at structural junction points. System appears functional despite age, with proper ventilation connections and no visible leaks from the furnace unit.
Performed Platinum Level maintenance on 25-year-old HVAC system with 20x25x5 filter. Identified significant water damage/rust staining at structural junction points. System appears functional despite age, with proper ventilation connections and no visible leaks from the furnace unit.
Jeremiah H.
Jeremiah H. Checked in
Performed Platinum Level maintenance on 25-year-old HVAC system with 20x25x5 filter. Identified significant water damage/rust staining at structural junction points. System appears functional despite age, with proper ventilation connections and no visible leaks from the furnace unit.
Boonville, IN 47601
Conducted site assessment of property for HVAC replacement quote. Inspected existing furnace location in utility area, noting current installation configuration and required clearances. Evaluated exterior conditions for potential equipment placement and verified available utility connections for new system installation.
Conducted site assessment of property for HVAC replacement quote. Inspected existing furnace location in utility area, noting current installation configuration and required clearances. Evaluated exterior conditions for potential equipment placement and verified available utility connections for new system installation.
Danny M.
Danny M. Checked in
Conducted site assessment of property for HVAC replacement quote. Inspected existing furnace location in utility area, noting current installation configuration and required clearances. Evaluated exterior conditions for potential equipment placement and verified available utility connections for new system installation.
Boonville, IN 47601
Completed annual maintenance service on a 27-year-old residential HVAC system as part of Gold Level maintenance plan. Inspected the basement-located air handler with attached galvanized sheet metal ductwork and evaluated PVC drain line connections. System showed normal signs of age but is functioning properly with no immediate concerns identified.
Completed annual maintenance service on a 27-year-old residential HVAC system as part of Gold Level maintenance plan. Inspected the basement-located air handler with attached galvanized sheet metal ductwork and evaluated PVC drain line connections. System showed normal signs of age but is functioning properly with no immediate concerns identified.
Danny M.
Danny M. Checked in
Completed annual maintenance service on a 27-year-old residential HVAC system as part of Gold Level maintenance plan. Inspected the basement-located air handler with attached galvanized sheet metal ductwork and evaluated PVC drain line connections. System showed normal signs of age but is functioning properly with no immediate concerns identified.
Boonville, IN 47601
Completed scheduled Gold Level maintenance service on 10-year-old Carrier HVAC system. Inspected basement installation including furnace/air handler unit, electronic air cleaner, and associated ductwork. Examined electrical connections at panel box and verified proper system operation during first maintenance visit of the service agreement.
Completed scheduled Gold Level maintenance service on 10-year-old Carrier HVAC system. Inspected basement installation including furnace/air handler unit, electronic air cleaner, and associated ductwork. Examined electrical connections at panel box and verified proper system operation during first maintenance visit of the service agreement.
Francis I.
Francis I. Checked in
Completed scheduled Gold Level maintenance service on 10-year-old Carrier HVAC system. Inspected basement installation including furnace/air handler unit, electronic air cleaner, and associated ductwork. Examined electrical connections at panel box and verified proper system operation during first maintenance visit of the service agreement.
Boonville, IN 47601
Boonville, IN - Completed Gold Level maintenance on 8-year-old HVAC system for second annual visit. Inspected circuit board, electrical connections, and blower assembly with access panel removed; all components functioning properly. Replaced 16x25x5 filter and documented system condition with photos for service records; customer due for service renewal.
Christian C.
Christian C. Checked in
Completed Gold Level maintenance on 8-year-old HVAC system for second annual visit. Inspected circuit board, electrical connections, and blower assembly with access panel removed; all components functioning properly. Replaced 16x25x5 filter and documented system condition with photos for service records; customer due for service renewal.
Boonville, IN 47601
Boonville, IN - Conducted on-site evaluation of existing water heating system to provide estimate for replacement of two tank water heaters. Inspected current installation including Powerstream Pro control unit and Solution Pro Compact filtration system. Documented existing plumbing connections, water lines, and utility area configuration to determine appropriate replacement options.
Isaac G.
Isaac G. Checked in
Conducted on-site evaluation of existing water heating system to provide estimate for replacement of two tank water heaters. Inspected current installation including Powerstream Pro control unit and Solution Pro Compact filtration system. Documented existing plumbing connections, water lines, and utility area configuration to determine appropriate replacement options.
Boonville, IN 47601
Completed planned maintenance service on residential dual HVAC system. Inspected electrical connections and wiring, ensuring proper terminal connections to control board. Replaced air filters (20x25x5 and 16x25x1) with annual replacements and verified system operation after service.
Completed planned maintenance service on residential dual HVAC system. Inspected electrical connections and wiring, ensuring proper terminal connections to control board. Replaced air filters (20x25x5 and 16x25x1) with annual replacements and verified system operation after service.
Michael H.
Michael H. Checked in
Completed planned maintenance service on residential dual HVAC system. Inspected electrical connections and wiring, ensuring proper terminal connections to control board. Replaced air filters (20x25x5 and 16x25x1) with annual replacements and verified system operation after service.
Boonville, IN 47601
Boonville, IN - Performed follow-up visit to complete gas meter installation. Verified new meter has been successfully mounted on exterior brick wall with proper PVC pipe connections. Need to return with gas pressure gauge to set appropriate gas pressure levels before system can be fully operational.
Adam M.
Adam M. Checked in
Performed follow-up visit to complete gas meter installation. Verified new meter has been successfully mounted on exterior brick wall with proper PVC pipe connections. Need to return with gas pressure gauge to set appropriate gas pressure levels before system can be fully operational.
Boonville, IN 47601
Boonville, IN - Performed scheduled Platinum Level maintenance on a 7-year-old HVAC system, including inspection of ductwork and connections. Replaced 20x25x5 filter and conducted comprehensive system evaluation. Documentation and photos captured current system condition for future reference, with next maintenance scheduled for July 2025.
Michael H.
Michael H. Checked in
Performed scheduled Platinum Level maintenance on a 7-year-old HVAC system, including inspection of ductwork and connections. Replaced 20x25x5 filter and conducted comprehensive system evaluation. Documentation and photos captured current system condition for future reference, with next maintenance scheduled for July 2025.
Boonville, IN 47601
Boonville, IN - Performed scheduled first annual maintenance visit on a 15-year-old Gold Level HVAC system. Inspected blower wheel assembly which showed normal dust accumulation consistent with age and usage. System is functioning within parameters; next service due 4/2025. Replaced 16x25x1 air filter during service.
Francis I.
Francis I. Checked in
Performed scheduled first annual maintenance visit on a 15-year-old Gold Level HVAC system. Inspected blower wheel assembly which showed normal dust accumulation consistent with age and usage. System is functioning within parameters; next service due 4/2025. Replaced 16x25x1 air filter during service.
Boonville, IN 47601
Boonville, IN - Completed second visit of Gold Level maintenance on 4-year-old HVAC system. Inspected and serviced blower wheel assembly, documenting condition with photos. System is functioning properly; customer advised renewal is due with 20x25x5 filter replacement recommended.
Francis I.
Francis I. Checked in
Completed second visit of Gold Level maintenance on 4-year-old HVAC system. Inspected and serviced blower wheel assembly, documenting condition with photos. System is functioning properly; customer advised renewal is due with 20x25x5 filter replacement recommended.
Boonville, IN 47601
Boonville, IN - Performed second visit of Gold Level annual maintenance on 2-year-old CSI HVAC system. Inspected basement-mounted furnace unit and associated ductwork, noting proper installation of insulated flexible ducting. Replaced 20x25x5 filter and confirmed system operation. Renewal is due; next scheduled maintenance in August 2025.
Ricky B.
Ricky B. Checked in
Performed second visit of Gold Level annual maintenance on 2-year-old CSI HVAC system. Inspected basement-mounted furnace unit and associated ductwork, noting proper installation of insulated flexible ducting. Replaced 20x25x5 filter and confirmed system operation. Renewal is due; next scheduled maintenance in August 2025.
Boonville, IN 47601
Conducted follow-up inspection of mini split line cover for potential damage as previously reported. Documented condition with photos of wooden structural elements surrounding the installation area, including exposed framing and ductwork. No visible damage was observed to the line cover during inspection.
Conducted follow-up inspection of mini split line cover for potential damage as previously reported. Documented condition with photos of wooden structural elements surrounding the installation area, including exposed framing and ductwork. No visible damage was observed to the line cover during inspection.
Brent D.
Brent D. Checked in
Conducted follow-up inspection of mini split line cover for potential damage as previously reported. Documented condition with photos of wooden structural elements surrounding the installation area, including exposed framing and ductwork. No visible damage was observed to the line cover during inspection.
Boonville, IN 47601
Completed follow-up service to finish gas line installation for previously installed HVAC system. Inspected both indoor furnace unit with PVC ventilation connections and outdoor condensing unit mounted against brick exterior wall. Verified proper gas line connections and electrical wiring to ensure complete system functionality.
Completed follow-up service to finish gas line installation for previously installed HVAC system. Inspected both indoor furnace unit with PVC ventilation connections and outdoor condensing unit mounted against brick exterior wall. Verified proper gas line connections and electrical wiring to ensure complete system functionality.
Cole B.
Cole B. Checked in
Completed follow-up service to finish gas line installation for previously installed HVAC system. Inspected both indoor furnace unit with PVC ventilation connections and outdoor condensing unit mounted against brick exterior wall. Verified proper gas line connections and electrical wiring to ensure complete system functionality.
Boonville, IN 47601
Completed planned maintenance service on residential HVAC system and Generac backup generator. Inspected furnace unit with associated ductwork and drainage components in utility room, noting all connections are secure and properly insulated. Generator unit mounted on concrete pad shows normal weathering but remains in functional condition with electrical connections intact.
Completed planned maintenance service on residential HVAC system and Generac backup generator. Inspected furnace unit with associated ductwork and drainage components in utility room, noting all connections are secure and properly insulated. Generator unit mounted on concrete pad shows normal weathering but remains in functional condition with electrical connections intact.
Jeremiah H.
Jeremiah H. Checked in
Completed planned maintenance service on residential HVAC system and Generac backup generator. Inspected furnace unit with associated ductwork and drainage components in utility room, noting all connections are secure and properly insulated. Generator unit mounted on concrete pad shows normal weathering but remains in functional condition with electrical connections intact.
Boonville, IN 47601
Identified condensate drain leak from attic-mounted HVAC system causing ceiling damage. Inspected and repaired damaged PVC drainage components, ensuring proper flow and sealing all connection points. Documented existing water damage to drywall ceiling that will require separate repair after the area has completely dried.
Identified condensate drain leak from attic-mounted HVAC system causing ceiling damage. Inspected and repaired damaged PVC drainage components, ensuring proper flow and sealing all connection points. Documented existing water damage to drywall ceiling that will require separate repair after the area has completely dried.
Craig U.
Craig U. Checked in
Identified condensate drain leak from attic-mounted HVAC system causing ceiling damage. Inspected and repaired damaged PVC drainage components, ensuring proper flow and sealing all connection points. Documented existing water damage to drywall ceiling that will require separate repair after the area has completely dried.
Boonville, IN 47601
Completed second annual maintenance visit on 5-year-old dual HVAC system with Platinum service level. Inspected air handler, ductwork, drainage system, and electrical connections. Replaced two 20x25x5 filters and verified proper system operation. Documentation photos taken of PVC condensate lines and air handler installation.
Completed second annual maintenance visit on 5-year-old dual HVAC system with Platinum service level. Inspected air handler, ductwork, drainage system, and electrical connections. Replaced two 20x25x5 filters and verified proper system operation. Documentation photos taken of PVC condensate lines and air handler installation.
Michael H.
Michael H. Checked in
Completed second annual maintenance visit on 5-year-old dual HVAC system with Platinum service level. Inspected air handler, ductwork, drainage system, and electrical connections. Replaced two 20x25x5 filters and verified proper system operation. Documentation photos taken of PVC condensate lines and air handler installation.
Boonville, IN 47601
Boonville, IN - Performed Gold Level planned maintenance on 11-year-old Goodman residential HVAC system. Inspected and cleaned furnace components including control board and wiring connections, replaced 20x20x1 filter, and verified proper operation of all system functions. This is the first annual visit; next scheduled maintenance due 6/2025.
Cameron N.
Cameron N. Checked in
Performed Gold Level planned maintenance on 11-year-old Goodman residential HVAC system. Inspected and cleaned furnace components including control board and wiring connections, replaced 20x20x1 filter, and verified proper operation of all system functions. This is the first annual visit; next scheduled maintenance due 6/2025.
Boonville, IN 47601
Conducted a site assessment of outdoor water supply connection to barn bathroom, documenting deteriorated cast iron piping requiring replacement. Evaluation included inspection of exterior wall-mounted spigot with visible weathering and mineral deposits. Customer has requested prompt scheduling to proceed with our services rather than alternative provider.
Conducted a site assessment of outdoor water supply connection to barn bathroom, documenting deteriorated cast iron piping requiring replacement. Evaluation included inspection of exterior wall-mounted spigot with visible weathering and mineral deposits. Customer has requested prompt scheduling to proceed with our services rather than alternative provider.
Kyle D.
Kyle D. Checked in
Conducted a site assessment of outdoor water supply connection to barn bathroom, documenting deteriorated cast iron piping requiring replacement. Evaluation included inspection of exterior wall-mounted spigot with visible weathering and mineral deposits. Customer has requested prompt scheduling to proceed with our services rather than alternative provider.
Boonville, IN 47601
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What To Expect

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.