Best HVAC Service In Carmi, IL | Free Estimate
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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Heating, Cooling & Indoor Air Quality in Carmi, IL

You rely on heating and cooling systems every day to keep your property comfortable. When either of these systems fails, it could lead to serious problems. Look to A+ Derr Heating & Cooling for HVAC services of all kinds.

Our team of expert technicians can diagnose and resolve any problem with your heater or air conditioner. We even offer indoor air quality services, installing purifiers, cleaners, and other systems to ensure the best air possible.

Treat your HVAC system right by hiring the best in Carmi for service. Talk to A+ Derr online or call (877) 914-1764 to schedule HVAC services at your Carmi-area home.

Trusted Air Conditioning

Staying cool in the summer can be hard in Illinois. Our area gets plenty of heat waves, and you need a good AC to keep up. Rely on A+ Derr for the AC services you need most. We offer:

  • AC Installation: We can remove your old AC and install a new, energy-efficient model that could last for 10 to 15 years or longer.
  • AC Repair: Our team can inspect your system, determine the cause of your troubles, and repair the unit correctly.
  • AC Maintenance: We can perform annual tune-ups on your air conditioner to catch small problems before they become something more.
  • Ductless HVAC Services: Our team also provides repairs, installations, and maintenance for single-room, wall-mounted ductless mini-splits.
Enjoy cool air whenever you need it. Call (877) 914-1764 or contact us online to schedule air conditioner services in Carmi.

Reliable Heating

The winter in Carmi can hit hard with cold temperatures and heavy snow. Make sure your home is ready with a top-tier heating system. We work on all models of furnaces, geothermal units, ductless mini-splits, and heat pumps. Look to A+ Derr when you need:
  • Heating Installation: We can remove your old heating unit when it no longer works, replacing it with a brand-new furnace, heat pump, or boiler.
  • Heating Repair: Our team can discuss your heating issue and find the root cause of it, then perform the needed repairs.
  • Heating Maintenance: We can provide annual maintenance services for your heater so you have peace of mind that your system is running well.

Indoor Air Quality Solutions

Breathing clean air should be a high priority for any homeowner. Look to A+ Derr for comprehensive indoor air quality services. We install and repair humidifiers, dehumidifiers, and air purifiers to keep your air clean. We also clean air ducts to ensure your HVAC system delivers the cleanest air.
To schedule an IAQ appointment in Carmi, IL, depend on A+ Derr. Call (877) 914-1764 today.

Why Choose A+ Derr?

For nearly 50 years, A+ Derr has provided exceptional HVAC services in Carmi and beyond. Our fourth-generation family-operated business treats every client just like our own. We offer free estimates, Lennox-brand units, financing options, specials, and more. We guarantee your satisfaction, too — if you’re not happy with a product we installed after one year, we’ll buy it back!
For nearly 50 years, A+ Derr has provided exceptional HVAC services in Carmi and beyond. Our fourth-generation family-operated business treats every client just like our own. We offer free estimates, Lennox-brand units, financing options, specials, and more. We guarantee your satisfaction, too — if you’re not happy with a product we installed after one year, we’ll buy it back!
Trust your HVAC system to the capable technicians at A+ Derr. Contact us online or call (877) 914-1764 to schedule HVAC services in Carmi.

FAQs

Whole-home humidifiers can be a valuable addition for certain homeowners. If you deal with a lot of static electricity or find yourself feeling dry, these systems can be worth a look.
Furnaces may make banging sounds for several reasons. Typically, this is a sign that a part in the system is loose, such as a fan blade or heating element. Proper repair can resolve the issue.
A central air conditioning system can be replaced in a single day over a few hours. Our team can remove the old unit and install a new one, ensuring you have a proper cooling system in as little as one day.

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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.

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

Beverly G.

Beverly G.

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.

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

Hal B.

Hal B.

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

Haley B.

Haley B.