HVAC & Generators In Shepherdsville, KY | Heating & Air
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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HVAC & Generators in Shepherdsville, KY

Brand new AC condenser unit in front of wooden fence

With the average temps throughout the year ranging from 28 to 88 degrees in Shepherdsville, you need HVAC you can rely on. That’s where the team at A+ Derr Heating & Cooling steps in. Since 1975, we’ve been providing service to the Shepherdsville community. Our team carries decades of experience with homes just like yours.

You can schedule a time for A+ Derr to visit your home in Shepherdsville by contacting us online or calling (844) 577-9729.

Your Local Shepherdsville Heating Experts

When the cold rolls in, you can count on us to be there for you. We service various heating systems to help as many residents as possible. Our team offers heat pump, boiler, geothermal, and furnace replacement, repair, and maintenance services in Shepherdsville. Additionally, we offer emergency heating services when your heating system fails you in the bitter cold.Schedule an appointment with A+ Derr in no time. Call (844) 577-9729 to request service for your heating system.

Air Conditioning Services You Can Trust

A Kentucky home without a functioning air conditioner in the heat is an unlivable one. A+ Derr offers a full set of AC services for residents in Shepherdsville, KY. Our AC services include the following:

On top of traditional cooling services, we’re also here for you during emergencies. If you find yourself stuck in the sweltering heat with no AC, the team at A+ Derr is here. Our emergency air conditioning repair services are there to prevent you from suffering from the heat.

Indoor Air Quality Specialists

An important aspect of your home’s health is the indoor air quality. Our indoor air quality services include the following:

  • Duct cleaning: Harmful allergens and pollutants build up in ductwork, so it’s important to get your ducts cleaned regularly.
  • Air purifiers: Ensuring that your breathing air stays safe, an air purifier will go a long way to keep your home safe.
  • Humidifiers: Sometimes, your home can become too dry and cause the air to become irritable.
  • Dehumidifiers: Dehumidifiers are a great option to remove excess moisture and prevent mold.

If you want to see how indoor air quality services can improve your home, call (844) 577-9729 to request an appointment with A+ Derr.

Home Generator Services

A great way to improve your home’s stability is by installing a Generac generator. With the severe weather that rolls through the Kentuckian region, power outages are something every homeowner has to consider. But when you let us install a Generac generator in your home, you won’t have to worry about losing power.

Why Choose Us?

For nearly 50 years, the team at A+ Derr Heating & Cooling has provided outstanding work to residents throughout the Kentuckian region. On top of glowing reviews, every job we do has a 100% satisfaction guarantee. After all, you deserve the best for your home’s HVAC system.

Schedule HVAC or generator services for your Shepherdsville home today. Contact A+ Derr online or call (844) 577-9729.

Recent Jobs and Reviews in Shepherdsville, KY

Job Locations and Reviews

Completed annual Gold Level maintenance service on a system of unknown age. Performed diagnostic testing including temperature/airflow measurements at registers and inspection of electrical components/control board. All connections, relays, capacitor, and transformer were verified in good working order. Customer due for renewal; filter replacement completed and system is functioning properly.
Completed annual Gold Level maintenance service on a system of unknown age. Performed diagnostic testing including temperature/airflow measurements at registers and inspection of electrical components/control board. All connections, relays, capacitor, and transformer were verified in good working order. Customer due for renewal; filter replacement completed and system is functioning properly.
Jordyn Rednour
Jordyn Rednour Checked in
Completed annual Gold Level maintenance service on a system of unknown age. Performed diagnostic testing including temperature/airflow measurements at registers and inspection of electrical components/control board. All connections, relays, capacitor, and transformer were verified in good working order. Customer due for renewal; filter replacement completed and system is functioning properly.
Shepherdsville, KY 40165
Responded to a no-heat complaint where customer reported cold air from vents with a 17° temperature differential (55° actual vs. 72° set point). Inspection revealed a Honeywell controller functioning properly with burners firing correctly. System was tested through complete heating cycle, confirming proper flame sequence and air temperature recovery. No repairs needed as system was operating as designed.
Responded to a no-heat complaint where customer reported cold air from vents with a 17° temperature differential (55° actual vs. 72° set point). Inspection revealed a Honeywell controller functioning properly with burners firing correctly. System was tested through complete heating cycle, confirming proper flame sequence and air temperature recovery. No repairs needed as system was operating as designed.
Anthony Litchkowski
Anthony Litchkowski Checked in
Responded to a no-heat complaint where customer reported cold air from vents with a 17° temperature differential (55° actual vs. 72° set point). Inspection revealed a Honeywell controller functioning properly with burners firing correctly. System was tested through complete heating cycle, confirming proper flame sequence and air temperature recovery. No repairs needed as system was operating as designed.
Shepherdsville, KY 40165
Responded to customer complaint regarding low voltage error on EcoBee thermostat and no heat production. Diagnostic testing revealed functioning thermostat (showing 72°F with 52% battery) and confirmed warm air supply using Fieldpiece temperature probe. Verified system operation was within normal parameters and educated customer on proper thermostat operation.
Responded to customer complaint regarding low voltage error on EcoBee thermostat and no heat production. Diagnostic testing revealed functioning thermostat (showing 72°F with 52% battery) and confirmed warm air supply using Fieldpiece temperature probe. Verified system operation was within normal parameters and educated customer on proper thermostat operation.
Anthony Litchkowski
Anthony Litchkowski Checked in
Responded to customer complaint regarding low voltage error on EcoBee thermostat and no heat production. Diagnostic testing revealed functioning thermostat (showing 72°F with 52% battery) and confirmed warm air supply using Fieldpiece temperature probe. Verified system operation was within normal parameters and educated customer on proper thermostat operation.
Shepherdsville, KY 40165
Conducted Platinum Level maintenance service on 1 HVAC system. Performed comprehensive inspection of fan assembly, confirming proper operation with no visible damage or excessive wear. Electrical diagnostic testing completed using clamp meter, measuring voltage draw at 0.5, which falls within acceptable operational parameters. All components functioning correctly after service.
Conducted Platinum Level maintenance service on 1 HVAC system. Performed comprehensive inspection of fan assembly, confirming proper operation with no visible damage or excessive wear. Electrical diagnostic testing completed using clamp meter, measuring voltage draw at 0.5, which falls within acceptable operational parameters. All components functioning correctly after service.
Jordyn Rednour
Jordyn Rednour Checked in
Conducted Platinum Level maintenance service on 1 HVAC system. Performed comprehensive inspection of fan assembly, confirming proper operation with no visible damage or excessive wear. Electrical diagnostic testing completed using clamp meter, measuring voltage draw at 0.5, which falls within acceptable operational parameters. All components functioning correctly after service.
Shepherdsville, KY 40165
Shepherdsville, KY - Responded to callback for unit producing loud noises and vibrations during cycling. Diagnostic testing was performed using Fieldpiece instruments on copper piping system which showed signs of aging and corrosion. Found and addressed issue causing operational noise and vibration transfer to building structure.
Charlie McAfee
Charlie McAfee Checked in
Responded to callback for unit producing loud noises and vibrations during cycling. Diagnostic testing was performed using Fieldpiece instruments on copper piping system which showed signs of aging and corrosion. Found and addressed issue causing operational noise and vibration transfer to building structure.
Shepherdsville, KY 40165
Performed Platinum Level maintenance service on one HVAC system. Inspected electrical connections and control board components using specialized tools. Checked wiring terminals for proper connection and security at circuit board interface.
Performed Platinum Level maintenance service on one HVAC system. Inspected electrical connections and control board components using specialized tools. Checked wiring terminals for proper connection and security at circuit board interface.
Jordyn Rednour
Jordyn Rednour Checked in
Performed Platinum Level maintenance service on one HVAC system. Inspected electrical connections and control board components using specialized tools. Checked wiring terminals for proper connection and security at circuit board interface.
Shepherdsville, KY 40165
Shepherdsville, KY - Performed comprehensive Platinum Level maintenance on HVAC system. Inspected internal components including wiring connections and burner assembly with flames observed operating normally. System appears to be in functional condition with no visible issues requiring immediate attention.
Anthony Litchkowski
Anthony Litchkowski Checked in
Performed comprehensive Platinum Level maintenance on HVAC system. Inspected internal components including wiring connections and burner assembly with flames observed operating normally. System appears to be in functional condition with no visible issues requiring immediate attention.
Shepherdsville, KY 40165
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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.