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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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A+ PALS PROGRAM

At A+Derr, we believe in giving back to the communities we serve. That’s why we’re proud to announce our partnership with It Takes A Village and Animal Care Society to provide adoption fee coverage for one animal each month to help them find a welcoming, loving home. It Takes a Village and Animal Care Society are both no-kill shelters located in Evansville and Louisville. To keep up with each month’s sponsored animal, be sure to follow us on Facebook. Click here to learn more and submit your adoption application: It Takes A Village or Animal Care Society.

September’s A+ Pal of the month, Evansville:

  • Name: Kai
  • Age: 2 year 3 month
  • Gender: Male
  • Breed: Husky Mix
  • Shelter: It Takes a Village
  • Bio: “Meet Kai, his charming personality will win you over in an instant. He’s a playful and energetic pup who loves nothing more than spreading joy wherever he goes. Kai sometimes keeps his kennel clean, showing his potential for house training and good manners in the future. Kai was transferred from a partner shelter, and they had nothing but positive things to say about him, mentioning that he did well with “everyone we put him with.” This friendly boy is ready to bring happiness to a new family. In the meantime, he’d love for you to visit him at ITV for some pets or take him on a doggie day out adventure.

September’s A+ Pal of the month, Louisville:

  • Name: Asparagus
  • Age: 10 months
  • Gender: Male
  • Breed: Terrier Pit Mix
  • Shelter: Animal Care Society
  • Bio: “Meet Asparagus, aka Gus! He has a heart full of energy and a playful spirit that will keep you entertained for hours on end. This lovable pup is ready to bring joy and laughter into your life. Not only is he a bundle of energy, but he’s also a well-behaved companion. He walks well on a leash, making daily strolls a breeze. His leash manners are on point, and you’ll enjoy exploring the world together while he happily trots by your side. Come meet him today at ACS and discover the joy and companionship that this energetic Pit mix can bring to your life.

Kai & Asparagus would be so grateful to find a loving family who will give them a fur-ever home!

More details and updates can be found on Facebook, so don’t forget to follow our page!

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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

Jake came and did my spring service yesterday. Their service is very professional, they are always out to get the best deals for anything I may need. I purchased new units from them a couple years ago, and the savings has been so noticeable.

Amanda A.

Amanda A.

Dylan came today for our tune up and as usual, we are very pleased with our service.

Haley B.

Haley B.

Awesome service. They make it easy and painless to keep our new HVAC up and running at top efficiency!

Hal B.

Hal B.

Nicholas has always been so polite and professional. We feel very comfortable having him in our home and know that his inspections are thorough.

Vicki L.

Vicki L.

Texal and his crew came out on time. Had 2 new systems put in. The service was great. Highly recommend.

Beverly G.

Beverly G.