Please see our response to COVID-19 by clicking here
Mannix Heating & Cooling
Emergency Service Available
Referral Club Buy Filters Online
(703) 777-9211 (301) 260-6000
  • Home
  • Air Conditioning
    • Air Conditioning Repair
    • Air Conditioning Service
    • Air Conditioning Installation
    • Commercial HVAC
    • Heat Pumps
    • Ductless HVAC
    • Indoor Air Quality
    • Buy Filters
  • Heating
    • Heating Repair
    • Heating Service
    • Heating Installation
    • Commercial HVAC
    • Heat Pumps
    • Ductless HVAC
    • Indoor Air Quality
    • Buy Filters
  • Electrical
  • Water Heaters
  • About
    • About Us
    • Videos
    • Maintenance
    • Mannix Home Control
    • HomeSense Blog
  • Financing
  • Contact
  • Specials

Videos

Refer a Friend & Get Rewarded

Referral Club

Servicing All Brands
Our technicians can service your home's heating and cooling equipment, regardless of make or model - they're trained to handle them all!
Your Trusted Provider
Best HVAC & Furnace Repair in Fairfax
Angies List Google Reviews
Chantilly
Gaithersburg
Get Our App!

Download Our New Mobile App!

Get it on Google Play

Available on the App Store

Don't wait on hold... Request a Call from Our HVAC Experts:
Carrier HVAC Dealer
Call Anytime, 24/7 (703) 777-9211
Mannix Heating & Cooling
Mannix Heating & Cooling
26955 Gum Spring Road
Chantilly, VA 20152
(703) 777-9211
(703) 777-9211
VA 2705135017
Mannix Heating & Cooling
7824 Beechcraft Ave
Gaithersburg, MD 20879
(301) 260-6000
MD 82321
© 2022 Mannix Heating & Cooling
Website | SEO | MTA360
Chantilly, VA | Gaithersburg, MD