Locations We Serve In KY, IN & IL | Heating & Air | A+ Derr
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.
Next Day InstallNext Day Installs Available
With Select System Purchase $2,024 in Enhancements & Discounts Request Service

Service Area

Evansville, Indiana

Tri-State Area

Click Here for Evansville, Indiana

Louisville, Kentucky

Surrounding Area

Click Here for Louisville, Kentucky

 

Additional Service Areas

A+ Derr Heating & Cooling has proudly served the Kentuckiana region for decades, and we will continue to do so for the years to come! When you need reliable heating and air conditioning services around the greater Evansville, IN, and Louisville, KY areas, A+ Derr is the team to call.

Indiana

  • Birdseye
  • Bloomfield
  • Boonville
  • Borden
  • Camp Brosend
  • Cannelton
  • Celestine
  • Chandler
  • Charlestown
  • Chrisney
  • Clarksville
  • Columbus
  • Commiskey
  • Corydon
  • Crane
  • Crothersville
  • Dale
  • Dayville
  • Depauw
  • Dubois
  • Eckerty
  • Elberfeld
  • Evanston
  • Evansville
  • Ferdinand
  • Floyds Knobs
  • Francisco
  • Fredericksburg
  • Gentryville
  • Georgetown
  • Grandview
  • Greenville
  • Haubstadt
  • Hazleton
  • Henryville
  • Jasper
  • Jeffersonville
  • Lamar
  • Lanesville
  • Leavenworth
  • Lexington
  • Loogootee
  • Lynnville
  • Madison
  • Marengo
  • Marysville
  • Mauckport
  • Memphis
  • Milltown
  • Mitchell
  • Monroe City
  • Mount Vernon
  • New Albany
  • New Harmony
  • New Salisbury
  • New Washington
  • Newburgh
  • Oakland City
  • Orleans
  • Otisco
  • Otwell
  • Owensville
  • Palmyra
  • Paris Crossing
  • Patoka
  • Pekin
  • Petersburg
  • Poseyville
  • Princeton
  • Ramsey
  • Red Bush
  • Richland
  • Rockport
  • Rome
  • Rustic Hills
  • Salem
  • Santa Claus
  • Scottsburg
  • Sellersburg
  • Seymour
  • Stendal
  • Tell City
  • Tennyson
  • Troy
  • Velpen
  • Vincennes
  • Wadesville
  • Washington
  • Winslow
  • Yankeetown

Kentucky

  • Bagdad
  • Bardstown
  • Battletown
  • Bedford
  • Big Clifty
  • Bloomfield
  • Boston
  • Brandenburg
  • Bremen
  • Brooks
  • Calhoun
  • Campbellsburg
  • Carrollton
  • Centertown
  • Central City
  • Clay
  • Clermont
  • Cloverport
  • Corydon
  • Coxs Creek
  • Crestwood
  • Custer
  • Dawson Springs
  • Dixon
  • Eastview
  • Ekron
  • Elizabethtown
  • Eminence
  • Fairdale
  • Falls Of Rough
  • Finchville
  • Fisherville
  • Fordsville
  • Frankfort
  • Goshen
  • Guston
  • Hardinsburg
  • Hartford
  • Hawesville
  • Henderson
  • Irvington
  • Island
  • Jeffersontown
  • La Grange
  • Lawrenceburg
  • Lebanon Junction
  • Lewisport
  • Livermore
  • Louisville
  • Maceo
  • Madisonville
  • Manitou
  • Marion
  • Milton
  • Morganfield
  • Mount Eden
  • Mount Washington
  • Muldraugh
  • Nebo
  • New Castle
  • New Haven
  • Owensboro
  • Paradise
  • Pendleton
  • Pewee Valley
  • Philpot
  • Pleasureville
  • Radcliff
  • Reed
  • Rineyville
  • Robards
  • Sacramento
  • Sebree
  • Shelbyville
  • Shepherdsville
  • Simpsonville
  • Smithfield
  • Spottsville
  • Sturgis
  • Taylorsville
  • Turners Station
  • Utica
  • Vine Grove
  • Waddy
  • Waverly
  • West Point

Illinois

Don’t see your city listed? Give us a call at (833) 232-4328 or contact us online to see if we serve your area.

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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.