Mannix Heating and Cooling

Mannix Heating and Cooling is a family-owned HVAC company serving Chantilly and the surrounding Northern Virginia area since 2010. The work covers central air conditioning, gas furnaces, heat pumps and ductless mini-splits, along with indoor air quality upgrades, duct sealing and Aeroseal, standby generators, and light commercial systems for local businesses. The company also handles equipment replacements and routine maintenance, and it works with homeowners on systems installed in the older neighborhoods and newer developments around town.

Emergency repair calls are answered around the clock, and emergency service is listed as a regular call option with a discount on the first visit. Commercial work is often scheduled during off-hours or weekends to limit disruption. The Chantilly office is at 26955 Gum Spring Road, and the company's referral and rebate programs are offered to customers.