Mann-In, Inc.

Mann-In, Inc. has kept homes comfortable in Chantilly, Herndon, Fairfax, Vienna, Centreville, Great Falls and McLean since 1977. It installs Carrier air conditioners, furnaces, heat pumps, ductless mini splits and water heaters, and adds air filtration, humidifiers and ultraviolet purification. Professional load calculations are used to size each system. Service plans bring twice-yearly checks, financing is offered, and 24 hour emergency heat service runs through the winter. It is a Virginia Class A contractor, bonded and fully insured, a member of ACCA, and a participant in the Washington Gas contractor program. Repairs cover all brands and models of equipment, gas conversion services are offered, and free estimates are available. Uneven room temperatures can be traced to duct leaks, poor insulation or improper sizing. Rated 4.8 from 103 Google reviews, 96 of them five stars.