Heating
Furnace Repair
Furnace Replacement
Furnace Installation
Furnace Maintenance
Heat Pumps
Cooling
AC Installation
AC Repair
AC Replacement
AC Tune-Up
Ductless Mini Splits
Emergency AC Repair
Freon Recharge
Areas We Serve
Bartow County
Cartersville
DeKalb County
Dunwoody
Cherokee County
Ball Ground
Canton
Hickory Flat
Holly Springs
Waleska
Woodstock
Cobb County
Acworth
Kennesaw
Marietta
Smyrna
Fulton County
Alpharetta
Buckhead
Johns Creek
Milton
Roswell
Sandy Springs
Pickens County
Jasper
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Brands We Service
Goodman
Rheem
Carrier
Trane
Lennox
American Standard
5 Stars (258 Reviews)
By MR. HVAC
Air conditioning systems should be inspected twice a year, in spring before cooling season, and heating systems... Continue Reading
Your heating and cooling system runs almost constantly throughout the year, which means it accounts for a huge chunk... Continue Reading
If you have a heat pump, you have probably seen AUX HEAT or EM HEAT flash on your thermostat at some point during a... Continue Reading
Your furnace exhaust pipe does one job: safely carry combustion gases out of your home. When it works, you never... Continue Reading
Your air conditioner runs, the thermostat is set correctly, and the filter is reasonably clean. But the house still... Continue Reading
Most furnace problems come down to one of a handful of familiar parts: the igniter, the flame sensor, the pressure... Continue Reading
Your AC is running, but the air drifting out of the vents feels lukewarm at best. Before you panic and start pricing... Continue Reading
A mini split is a two-part HVAC system. You get a small outdoor compressor and one or more indoor air-handling... Continue Reading
Heating and cooling eat up close to half of the average home's energy use, which means your HVAC system is the... Continue Reading
BEST HVAC COMPANY OF 2026
Thank you to our neighbors in Cobb and Cherokee County! Because of your support, MR. HVAC has been named a 2026 Best of winner for HVAC services. Experience the honest, expert service your community trusts.