Aerial view of a residential air conditioning condenser unit mounted on a concrete pad next to a house with vinyl siding and a sliding glass door.

HVAC Installation in Forest Park, GA

A new system here will heat from November through March and cool from May through September every year. Tell us about the house, and a licensed contractor who covers Clayton County will get in touch.

Tell us about the job

It takes about a minute.

Step 1 of 3: Equipment
Overhead view of an air conditioning condenser unit on a concrete pad next to a house with asphalt shingle roofing and vinyl siding.

Ten months of work, most years

Forest Park asks for heat from November through March and cooling from May through September. Ten months of the year, a new system is doing one job or the other, with only a short break in spring and fall. Winter nights average 35°F, so the furnace side is not fighting deep cold, but it still runs most nights for five months straight. Summer afternoons average 88°F, and the air conditioner has to hold the house against that heat day after day from May to September.

Clayton County has logged 38 damaging wind events and 3 winter storms over the last ten years, and across Georgia, 31% of households went at least 24 hours without power in 2024. A new system here should be sized right for both seasons and set up by someone who accounts for what storms and power outages do to outdoor units and controls.

5 months
November through March, your system heats
5 months
May through September, it cools
35°F
the average winter night it heats against
88°F
the average summer afternoon it cools against
Isometric line illustration of a cutaway single-story house showing interior rooms, ductwork, an indoor air handler or furnace, and a refrigerant line running to an outdoor condenser unit on a pad.
Your system heats November through March and cools May through September.

NOAA nClimDiv, 1991–2020 normals

Georgia requires HVAC contractors to hold a state license.

The license is held by the contractor, not issued job by job, so it is the business itself the state has tested and put on record with the Construction Industry Licensing Board. Anyone doing this work in Georgia is expected to hold that license before they take on your installation.

For an installation like this, that license is what stands behind the work, but Clayton County still has its own role. Most cities and counties require a permit for replacing a furnace, air conditioner or heat pump, and an inspection once the job is finished. That inspection is where the local building office checks the work directly, separate from anything the state license covers.

Source: Georgia Secretary of State

When should I replace my HVAC system?
Once repairs are getting frequent or a contractor keeps finding the same part failing, replacement usually makes more sense than another repair bill. How well the system was maintained matters as much as its age. In Forest Park you're relying on heat from November through March and cooling from May through September, so ten months out of the year that equipment is doing real work. A breakdown during those months is not something you want to gamble on, so if repairs are stacking up, start planning the replacement instead of waiting for the system to quit.
Should I replace my furnace and air conditioner at the same time?
If both are old, yes, that's usually the better call. A furnace and air conditioner installed at different times can end up mismatched, and a mismatch can mean the system never runs quite right. Replacing them together also means one visit from the contractor and one inspection instead of two. If only one unit is actually failing, there's no rule that says you have to replace the other before it's ready. A contractor can look at the age and condition of both and tell you honestly whether pairing the work makes sense for your house.
What happens during an HVAC installation?
A contractor removes the old furnace, air conditioner or heat pump and sets the new equipment in place, then connects it to your ductwork, refrigerant lines, gas line or electrical circuit depending on what you have. After that they test the system to make sure it's heating and cooling the way it should before they leave. Replacing this kind of equipment needs a permit from the local building office and an inspection once the work is done. That inspection confirms the installation was done to code, so don't skip it even if the contractor doesn't bring it up first.