For your house.
Heat pumps, air conditioning, gas furnaces and ductless, across Athens and the towns around it. Two-storey houses with two systems, older homes with tired ductwork, new builds.
Home servicesKeystone repairs, maintains and replaces heat pumps, air conditioners and furnaces for Athens homes and businesses — and gives you a straight answer to the question everyone asks.
Five more questions, a plain verdict, no prices and no sign-up.
The part that failed, the age on the data plate, the refrigerant it runs on. When it's close, you get a repair quote and a replacement quote on the same visit, and you decide.
If a repair is the sensible answer, we'll say so — even when a replacement would be the bigger job for us.
Heat pumps, air conditioning, gas furnaces and ductless, across Athens and the towns around it. Two-storey houses with two systems, older homes with tired ductwork, new builds.
Home services
Rooftop units and split systems for shops, offices, restaurants and churches along Atlanta Highway and across Clarke and Oconee counties. Answered unit by unit.
Business servicesThe office is on Atlanta Highway. We work across Athens-Clarke and the neighbouring counties.
It depends on the system's age, whether this is a repeat major repair, the refrigerant it uses, which part failed, whether it keeps you comfortable, and how long you will stay. When it is close, we quote both options on the same visit.
New systems stopped using R-22 refrigerant in 2010 and US production ended in 2020, so recharging an older R-22 system is expensive. That makes a leak on one of those systems a strong reason to consider replacement.
Yes. If a repair is the sensible answer, we say so, even when a replacement would be the bigger job.
Yes, equally with homes. Rooftop units and split systems for Athens shops, offices, restaurants and churches, repaired, maintained and replaced.
No. “Surface Dynamics” is part of the name, not the trade. Keystone is a heating, ventilation and air conditioning contractor only.
Repair and replacement side by side, for a house or a building.