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A heat pump installation in Cobb County starts with a sizing decision, and that decision is a local one. 105 severe weather events were recorded in Cobb County, Georgia between 2015 and 2024. At that rate, severe weather is part of the normal operating environment, not an edge case a contractor can design around. A unit sized for a calmer climate will run harder and recover more slowly here, and that stress shows up in compressor wear and refrigerant demand before the system is halfway through its service life. A contractor quoting this job prices the equipment to the actual load this area places on it.
Ductwork laid down for older equipment does not always move air the way a heat pump needs it to. Half the homes in Cobb County, Georgia were built in 1990 or earlier (2020-2024 ACS 5-year). That matters for installation because a heat pump's airflow demands differ from what many of those systems were originally ducted around, and a contractor assessing a job here has to look at what the existing duct layout will and will not carry before the new unit is priced. The electrical service gets the same scrutiny. Neither question has a default answer.
The Parts of a Heat Pump in a New Installation
The outdoor unit sits on a pad beside the house and holds the compressor and one set of coils. Inside, the air handler mounts in a mechanical room, closet, or attic and moves conditioned air through the home. These two units are the core of what a contractor puts in place.
A refrigerant line set runs between the outdoor unit and the air handler, connecting the two. A thermostat mounts on an interior wall and gives the homeowner control over the system. Some installations also include a separate emergency heat strip inside the air handler.
The drawing shows a typical layout, and a licensed contractor determines exactly what goes where in your house.
Get matched in Cobb CountyCobb County, by the numbers
105 severe weather events were recorded in Cobb County, Georgia between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Cobb County, Georgia were built in 1990 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCobb County, Georgia holds 314,104 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 67.0% of the occupied homes in Cobb County, Georgia (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Cobb County
Weather extremes put a direct load on heating and cooling equipment, affecting how hard a heat pump has to work and how long it lasts. Knowing what the local record looks like helps a contractor size and install equipment that fits the actual conditions here.
105 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.