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.
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.
Exciting News!
We are pleased to announce DeKalb Mechanical has been awarded The Business of The Year 2025 Award through the DeKalb Chamber of Commerce. We also have been voted Top Workplaces in DeKalb County in 2025!
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.
Featured Product
Beat the summer heat with the Carrier Comfort 22 Mini Split Air Conditioner. This ductless system delivers efficient, precise temperature control with ratings up to 22.2 SEER2, helping reduce energy use while keeping your home consistently comfortable. Its flexible design makes it a great solution for targeted cooling in a variety of spaces, professionally installed by the trusted team at KM Heating & Cooling.
KM Resources: Your go-to for HVAC insights, tips, and solutions
Stay informed with expert guidance on heating, cooling, and home comfort.
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Ask KM Heating and Cooling About the Advantages of a Dual Fuel Heat Pump System
Read Article: Ask KM Heating and Cooling About the Advantages of a Dual Fuel Heat Pump System -
Why Homeowners Should Hire KM Heating and Cooling for a Spring HVAC Clean & Check
Read Article: Why Homeowners Should Hire KM Heating and Cooling for a Spring HVAC Clean & Check -
When Should You Replace Your HVAC System?
Read Article: When Should You Replace Your HVAC System? -
Why Homeowners Should Not Close Their Heating Vents
Read Article: Why Homeowners Should Not Close Their Heating Vents -
Why Smoke and Carbon Monoxide Detectors Matter More Than Ever
Read Article: Why Smoke and Carbon Monoxide Detectors Matter More Than Ever -
Benefits of Carrier’s Infinity® HVAC Systems for Whole Home Comfort
Read Article: Benefits of Carrier’s Infinity® HVAC Systems for Whole Home Comfort -
Benefits of a Ductless Mini-Split Heat Pump and Air Conditioning System
Read Article: Benefits of a Ductless Mini-Split Heat Pump and Air Conditioning System -
Local Utility Companies Offer Substantial HVAC Rebates
Read Article: Local Utility Companies Offer Substantial HVAC Rebates -
Why Winter Humidity Levels Matter for Your Home
Read Article: Why Winter Humidity Levels Matter for Your Home -
Improve Indoor Air Quality and Reduce Energy Costs This Winter with an ERV
Read Article: Improve Indoor Air Quality and Reduce Energy Costs This Winter with an ERV -
Why Fall Is A Great Time For A Furnace Clean and Check
Read Article: Why Fall Is A Great Time For A Furnace Clean and Check -
Project: HVAC Zoning
Read Article: Project: HVAC Zoning
