Mannix Heating & Cooling of Chantilly, VA

Mannix Heating & Cooling serves Chantilly from its Virginia office, one of three locations along with Maryland and Florida. Jerry Mannix founded the company in 2010 after years at a large national HVAC firm. It installs central air, high-efficiency heat pumps, gas furnaces and ductless mini splits, and sizes each installation with Manual J load calculations. Duct sealing and Aeroseal work address leaky ducts. As a Duke Energy Trade Ally it offers rebates to customers, financing is available, and service agreements include priority scheduling and parts discounts. Emergency response runs 24 hours, with an answering service around the clock and a discount for first responders, veterans and active military. Pool heaters and pool heat pumps are repaired and installed too, and commercial work is offered. Rated 4.9 from 961 Google reviews, 933 of them five stars.