Locations We Serve In KY, IN & IL | Heating & Air | A+ Derr
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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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Service Area

Evansville, Indiana & the Tri-State Area

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Louisville, Kentucky & Surrounding Cities

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24/7 Emergency Service (833) 232-4328 
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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.

  • Bloomfield, IN
  • Bristow, IN
  • Cannelton, IN
  • Charlestown, IN
  • Columbus, IN
  • Crane, IN
  • Dale, IN
  • Depauw, IN
  • Eckerty, IN
  • Elizabeth, IN
  • Evansville, IN
  • Ferdinand, IN
  • Floyds Knobs, IN
  • Folsomville, IN
  • Francisco, IN
  • Fredericksburg, IN
  • Gentryville, IN
  • Georgetown, IN
  • Grandview, IN
  • Greenville, IN
  • Griffin, IN
  • Hanover, IN
  • Hatfield, IN
  • Haubstadt, IN
  • Hazleton, IN
  • Henryville, IN
  • Holland, IN
  • Huntingburg, IN
  • Jasper, IN
  • Jeffersonville, IN
  • Laconia, IN
  • Lamar, IN
  • Lanesville, IN
  • Leavenworth, IN
  • Leopold, IN
  • Lexington, IN
  • Lincoln City, IN
  • Loogootee, IN
  • Lynnville, IN
  • Madison, IN
  • Marengo, IN
  • Marysville, IN
  • Mauckport, IN
  • Memphis, IN
  • Milltown, IN
  • Mitchell, IN
  • Monroe City, IN
  • Montgomery, IN
  •  
 
  • Bagdad, KY
  • Beaver Dam, KY
  • Bedford, KY
  • Big Clifty, KY
  • Boston, KY
  • Brooks, KY
  • Calhoun, KY
  • Campbellsville, KY
  • Carrollton, KY
  • Centertown, KY
  • Clarkson, KY
  • Coxs Creek, KY
  • Custer, KY
  • Dixon, KY
  • Dunmor, KY
  • Ekron, KY
  • Eminence, KY
  • Falls Of Rough, KY
  • Fisherville, KY
  • Frankfort, KY
  • Goshen, KY
  • Greenville, KY
  • Hanson, KY
  • Hartford, KY
  • Henderson, KY
  • Horse Branch, KY
  • Irvington, KY
  • La Grange, KY
  • Lawrenceburg, KY
  • Leitchfield, KY
  • Livermore, KY
  • Maceo, KY
  • Magnolia, KY
  • Marion, KY
  • Middletown, KY
  • Milton, KY
  • Mount Eden, KY
  • Muldraugh, KY
  • Nebo, KY
  • New Haven, KY
  • Olaton, KY
  • Paradise, KY
  • Pewee Valley, KY
  • Pleasureville, KY
  • Providence, KY
  • Reed, KY
  • Rineyville, KY
  • Rockport, KY
  • Rumsey, KY
  • Saint Charles, KY
  • Sebree, KY
  • Shepherdsville, KY
  • Slaughters, KY
  • Sonora, KY
  • Sparta, KY
  • Sturgis, KY
  • Taylorsville, KY
  • Uniontown, KY
  • Vine Grove, KY
  • Waverly, KY
  • West Point, KY
  • Wheatcroft, KY
  • Whitesville, KY
  • Bardstown, KY
  • Beech Creek, KY
  • Belton, KY
  • Bloomfield, KY
  • Brandenburg, KY
  • Buckner, KY
  • Campbellsburg, KY
  • Caneyville, KY
  • Cecilia, KY
  • Central City, KY
  • Clay, KY
  • Cloverport, KY
  • Crestwood, KY
  • Dawson Springs, KY
  • Drakesboro, KY
  • Earlington, KY
  • Elizabethtown, KY
  • Fairdale, KY
  • Finchville, KY
  • Fordsville, KY
  • Garfield, KY
  • Graham, KY
  • Guston, KY
  • Hardinsburg, KY
  • Harned, KY
  • Hawesville, KY
  • Hodgenville, KY
  • Hudson, KY
  • Jeffersontown, KY
  • Lancaster, KY
  • Lebanon Junction, KY
  • Lexington, KY
  • Louisville, KY
  • Madisonville, KY
  • Manitou, KY
  • Mc Henry, KY
  • Millwood, KY
  • Morganfield, KY
  • Mount Washington, KY
  • Munfordville, KY
  • New Castle, KY
  • Nortonville, KY
  • Owensboro, KY
  • Pendleton, KY
  • Philpot, KY
  • Prospect, KY
  • Radcliff, KY
  • Reynolds Station, KY
  • Robards, KY
  • Rosine, KY
  • Sacramento, KY
  • Sanders, KY
  • Shelbyville, KY
  • Simpsonville, KY
  • Smithfield, KY
  • South Carrollton, KY
  • Spottsville, KY
  • Stephensport, KY
  • Sulphur, KY
  • Turners Station, KY
  • Utica, KY
  • Waddy, KY
  • Webster, KY
  • Westview, KY
  • White Plains, KY
  • Worthville, KY
  • Albion, IL
  • Crossville, IL
  • Mount Carmel, IL
  • Browns, IL
  • Grayville, IL
  • Norris City, IL
  • Carmi, IL

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.

ABOUT US
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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.

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