Family-Owned
HVAC Experts

leading the pack in home comfort since 1991!

With KM Heating & Cooling, experience reliable heating, cooling, indoor air quality, and duct cleaning backed by 30+ years of craftsmanship.

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Heating
Heating
Air Quality
Air Quality
Cooling
Cooling
Whole Home Systems

Carrier Factory Authorized Dealer

As a proud Carrier distributor, we bring you the gold standard in HVAC technology. Carrier has been a trusted name in heating and cooling for over a century, known for its innovation, energy efficiency, and long-lasting performance.

We are a Carrier Factory Authorized Dealer. Our team has completed rigorous training, meets strict service standards, and stays up to date with Carrier’s latest innovations. We take this commitment seriously, so you can count on reliable, energy-efficient solutions and professional service every time.

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Certified Ductless Pro by Carrier Certification Logo

Exciting News!

We are pleased to announce DeKalb Mechanical has been nominated as The Business of The Year through the DeKalb Chamber of Commerce!

Solutions That Work For You

At KM Heating & Cooling, we make comfort simple and stress-free with financing that fits your budget, rebates that put money back in your pocket, emergency service when you need it most, and convenient online payments you can count on.

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Financing
Financing
Rebates
Rebates
24-Hour Emergency
24-Hour Emergency
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Pay Invoice

Featured Product

Combat dry winter air with KM Heating & Cooling’s whole system humidifiers by Carrier. These units integrate with your HVAC to maintain balanced humidity, reduce static, protect wood surfaces, and improve comfort throughout your home. It’s a simple upgrade with lasting impact, professionally installed by our trusted team.

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