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A contractor quoting a heat pump repair in Houston County has to sort out what actually wore the system down. 41 severe weather events were recorded in Houston County, Tennessee between 2015 and 2024. At that rate, severe weather is an occasional event here, not a standing condition, so a failing compressor or a refrigerant problem almost always traces back to the age of the unit or how well it was installed and serviced. A contractor looks at run hours, coil condition, and electrical connections before weather enters the conversation.
Refrigerant lines and compressor internals do not announce their condition from the outside. Half the homes in Houston County, Tennessee were built in 1981 or earlier (2020-2024 ACS 5-year). That history means a heat pump running in a typical Houston County home has outlasted at least one prior system, and the parts it was built around sit further from active production than parts in newer stock. A contractor who opens the unit may find what the catalog still carries, or may find a component that now requires sourcing time and a different bill.
The Parts of a Heat Pump a Contractor Checks First
The outdoor unit sits outside the house and holds the compressor and the condenser coil. The compressor is where most repair calls begin. When a heat pump stops moving heat entirely, or starts making noise, or trips the breaker, the compressor and the coil surrounding it are what a contractor examines first.
The air handler lives inside, usually in a closet, attic, or utility room, and contains the indoor coil and the blower that pushes conditioned air through the house. The expansion valve and the reversing valve sit within the refrigerant circuit and are the pieces a contractor checks when the system runs but heats or cools poorly. The thermostat rounds out the picture and is often the first thing a contractor rules out.
The drawing shows a general layout of these components, and a licensed contractor will determine which parts apply and what condition each is in for the specific system in your home.
Find a contractor in Houston CountyHouston County, Tennessee, by the numbers
41 severe weather events were recorded in Houston County, Tennessee 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 Houston County, Tennessee were built in 1981 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesHouston County, Tennessee holds 3,954 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 81.0% of the occupied homes in Houston County, Tennessee (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Behind Heat Pump Repair in Houston County, Tennessee1 sourced rules & standards
What Houston County, Tennessee Requires for HVAC Repair Work
Tennessee licenses contractors by classification, and HVAC, refrigeration and gas piping is one of them — a sub-classification of mechanical contracting on the licence the Board for Licensing Contractors issues.
Severe Weather Events in Houston County
Weather puts real hours on heating and cooling equipment. Repair needs in Houston County track closely with what the climate asks of a heat pump over time, which is why local conditions belong on this page.
41 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.