A+ Derr Community Involvement In Evansville & Louisville
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.
$98 Furnace Tune Up + Safety Inspection Deals & Financing

Community Involvement

A+ Derr Community Involvement

At A+ Derr Heating & Cooling, we are committed to serving our local communities. Whether donating our time, volunteering, or sponsoring an event, we are constantly looking for ways to serve those around us. Over the past years, we have had the privilege to work alongside some great organizations and have met some amazing people.

  • Susan G Komen
  • ACS Bark in the Park 5k
  • Yewdell Botanical Gardens
  • Veteran Give Back Program
  • Play For Kate
  • Evansville Rescue Mission
  • Dream Center
  • Canned Food Drives
  • Gobbler Gathering
  • Warrick County FOP
  • Boonville Middle School Career Day
  • Local Youth Sports
  • Salvation Army
  • Warrick County Schools
  • Vanderburgh County Schools
  • Blue Grass Honor Flight
  • Honor Flight of Southern Indiana
  • Warrick County Humane Society
  • Free System Giveaways
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Membership perks

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.

Superior Heating & Cooling Equipment​

We provide unmatched HVAC services using only the highest quality parts and equipment for our customers.

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.

Superior Heating & Cooling Equipment​

We provide unmatched HVAC services using only the highest quality parts and equipment for our customers.

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.

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

Haley B.

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

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.

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

Beverly G.