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A heat pump in DeKalb County has been running against real weather pressure, and a contractor diagnosing a repair here cannot assume the cause without working through what the system has carried. 165 severe weather events were recorded in DeKalb County, Georgia between 2015 and 2024. At that rate, worn contacts, stressed capacitors, and degraded refrigerant lines are plausible findings, but so is a system that simply aged past its reliable years in a climate that kept it busy. The contractor's first job is to tell one from the other, because a stress-related failure and an age-related one produce different repairs and different parts.
Ductwork and wiring in older houses get adapted over time, and by the time a heat pump shows up for repair it may already be the second or third system to occupy that space. Half the homes in DeKalb County, Georgia were built in 1984 or earlier (2020-2024 ACS 5-year). That matters for repair work because a compressor or reversing valve pulled from a system installed well after the original build may take parts that fit that equipment's generation, not the house's. A contractor opening the unit in DeKalb has to read what is actually in front of them before pricing anything, since the build date on the wall panel and the manufacture date on the equipment are often years apart.
The Parts of a Heat Pump a Contractor Checks During Repair
The outdoor unit is the piece most homeowners recognize first, a metal cabinet that sits on a pad beside the house. Inside it, the compressor pressurizes refrigerant and the condenser coil transfers heat, so when the system stops heating or cooling, a contractor starts here. A failed compressor, a dirty or damaged coil, or a refrigerant leak each shows up differently, and reading those signs is the first order of work.
Inside the house, the air handler holds the evaporator coil and the blower fan, which pulls air across the coil and pushes conditioned air into the living space. The reversing valve, which tells the system whether to heat or cool, sits in the outdoor unit and is a frequent focus when the system runs but delivers the wrong temperature. The expansion valve and refrigerant lines connect both sides of the system and carry their own failure patterns a contractor will trace.
The drawing shows the general layout of a heat pump system, and a licensed contractor determines which components apply and what condition they are in for your specific home.
Get matched in DeKalb CountyDeKalb County by the numbers
165 severe weather events were recorded in DeKalb 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 DeKalb County, Georgia were built in 1984 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesDeKalb County, Georgia holds 330,830 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 58.8% of the occupied homes in DeKalb County, Georgia (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSevere Weather Events in DeKalb County
Heat pumps in DeKalb County work against whatever the local climate puts out, and years with heavy weather load push equipment harder and wear components faster. How often severe weather moves through here shapes how much repair demand the equipment in this area actually sees.
165 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.