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Furnace Repair
Furnace Replacement
Furnace Installation
Furnace Maintenance
Heat Pumps
Cooling
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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 (241 Reviews)
By MR. HVAC
How Do I Know If My AC Is Too Small?
Choosing the right air conditioner is about more than just picking a popular brand or finding the best deal. The... Continue Reading
Why Won’t My Air Conditioner Turn On?
Your air conditioner may not turn on due to thermostat issues, a tripped circuit breaker, a clogged air filter, a... Continue Reading
Why Is My AC Freezing Up?
A frozen air conditioner is a warning sign that something’s not working properly inside your system. Whether... Continue Reading
How to Tell if Your AC Is Low on Refrigerant
Common signs of low refrigerant include warm air blowing from vents, ice on refrigerant lines, unusually long... Continue Reading
Can Air Conditioners Cause Carbon Monoxide?
Carbon monoxide (CO) is a silent, odorless, and deadly gas that poses a significant risk to homeowners. With the... Continue Reading
Why Is My AC Making a Hissing Noise?
If you're a homeowner in Woodstock, GA, and your air conditioner is making a hissing noise, it's essential... Continue Reading
Why Are Some Rooms Hotter Than Others With the AC On?
Some rooms are hotter than others with the AC on due to poor airflow, inadequate insulation, ductwork imbalances, or... Continue Reading
What Temperature Do I Set My Air Conditioner in the Summer?
Finding the right balance between comfort and energy savings can be tricky, especially as temperatures rise and... Continue Reading
Why Is My Air Conditioner So Loud?
A loud air conditioner can be caused by loose components, dirty filters, ductwork issues, or failing parts like 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.