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A heat pump that stops performing in Cook County is unlikely to have been worn down by weather load alone. 70 severe weather events were recorded in Cook County, Georgia between 2015 and 2024. At that rate, severe weather is an event here rather than a constant condition, which means a contractor diagnosing a failed compressor, a refrigerant issue, or a struggling reversing valve is looking first at how old the equipment is and how well it was installed and maintained. Weather is rarely the explanation a repair quote should be built around.
What a homeowner learns from a heat pump repair here is usually settled inside the unit itself. Half the homes in Cook County, Georgia were built in 1985 or earlier (2020-2024 ACS 5-year). Houses of that vintage have had equipment swapped in and out across decades, so the building year tells a contractor almost nothing about what refrigerant circuit, contactor, or control board they are about to open. The parts a given system takes may still be available, or they may not, and that question follows the equipment's own history rather than the permit date on the house.
The Parts of a Heat Pump a Contractor Checks First
The outdoor unit is what most homeowners see first, a metal cabinet that sits on a pad beside the house and holds the compressor and the outdoor coil. The compressor is the part a contractor reaches for early in a diagnosis, because when it fails the system stops moving heat entirely. The outdoor coil works alongside it, and a bent, dirty, or damaged coil is a common reason the system runs but cannot keep up.
Inside the house, the air handler holds the indoor coil and the blower fan, and either one can be the source of a problem when cooling or heating is uneven or absent. The reversing valve, which sits inside the outdoor unit, is the piece that lets a heat pump serve both seasons, and a stuck or leaking valve is a repair a contractor checks when the system heats but will not cool, or the other way around. The expansion valve and refrigerant lines connect the two units and are part of the same inspection.
The drawing shows a typical layout, and a licensed contractor determines which components apply to the specific system in your home.
Get matched in Cook CountyCook County, Georgia, by the numbers
70 severe weather events were recorded in Cook 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 Cook County, Georgia were built in 1985 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCook County, Georgia holds 7,486 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 66.0% of the occupied homes in Cook County, Georgia (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in Cook County
Heat pumps work harder and wear faster when outdoor conditions push them to their limits. How often that happens in Cook County shapes what a local repair technician sees and what parts tend to go first.
70 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.