About Mannix Heating & Cooling of Chantilly, VA
Mannix Heating & Cooling was founded by Jerry Mannix in 2010 after his years at a large national HVAC company, and it serves Chantilly and Northern Virginia with heating, cooling and electrical work. It installs and services central air, heat pumps, gas furnaces and ductless mini splits, and its indoor air quality work includes duct sealing, Aeroseal, whole house humidifiers, dehumidifiers and filtration. Light commercial HVAC is also offered. Service agreements and annual tune-ups are available, and a financing page is listed. Emergency response runs 24 hours, backed by a 24/7 answering service. Rated 4.9 from 961 Google reviews, 933 of them five stars and 12 of them one star. The company also services gas boilers, water heaters and high velocity HVAC systems, and it handles oil to gas and electric conversions.
Services and details
Residential heating and cooling repair
Yes24/7 emergency service
YesHeat pump installation and repair
YesDuctless mini-split systems
YesGas and oil furnace service
YesMaintenance plans or tune-ups
YesFinancing available
YesIndoor air quality and duct work
YesCommercial HVAC
Yes
No information yet on geothermal systems, free estimates on replacements, states a Virginia contractor license, states EPA 608 or NATE certification, se habla español. The website did not say; call and ask.
Contact
- (703) 777-9211
- 26955 Gum Spring Rd, Chantilly, VA 20152
- Website
- View on Google Maps
Listing compiled from public sources on 2026-11-05. Report a correction or request removal. Back to HVAC contractors in Chantilly.