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Sizing a heat pump for this area starts with what the climate actually asks of the equipment, not what a catalog default suggests. 105 severe weather events were recorded in Gregg County, Texas between 2015 and 2024. At that rate, severe weather is part of the normal operating life of a system here, not an outlier event. A contractor quoting an installation has to account for that load when selecting equipment and specifying how it goes in, because a unit undersized or loosely installed will be working against conditions that expose those decisions quickly. The specification choices made on day one set how the system holds up against what this county regularly delivers.
Ductwork laid out for a different generation of equipment does not always carry what a heat pump demands without modification. Half the homes in Gregg County, Texas were built in 1980 or earlier (2020-2024 ACS 5-year). A contractor installing a heat pump here has to look at what the existing supply and return runs can actually move before the unit choice matters much. If the duct layout was sized for a system drawing a heavier load in a different way, the installation scope changes. Electrical service gets checked for the same reason.
What a Heat Pump Installation Puts in Your Home
The outdoor unit is the piece most homeowners see first, mounted on a pad beside the house, housing the compressor and the coil that exchanges heat with the outside air. Inside, the air handler sits in a utility closet, attic, or basement and moves conditioned air through the home. These two units are what a new installation places.
A refrigerant line set runs between the outdoor unit and the air handler, carrying the working fluid between them through a pair of insulated copper lines. A thermostat goes on an interior wall and gives the homeowner control over the whole system. The condensate drain line routes moisture pulled from the indoor air out of the house.
The drawing shows a typical layout, and a licensed contractor determines exactly what applies to your house and how each piece fits into it.
Get matched in Gregg CountyGregg County by the Numbers
105 severe weather events were recorded in Gregg County, Texas 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 Gregg County, Texas were built in 1980 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesGregg County, Texas holds 53,883 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 60.3% of the occupied homes in Gregg County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesHeat Pump Installation Rules on the Books for Gregg County, Texas1 codes, standards & license laws
Licensing Rules for Gregg County, Texas
In Texas a person may not engage in air conditioning and refrigeration contracting unless that person holds a license issued under the state air conditioning and refrigeration contractor law.
Severe Weather History in Gregg County
Local weather puts real demands on heating and cooling equipment over its lifetime. A heat pump sized and installed for what Gregg County actually delivers will hold up differently than one spec'd for somewhere else.
105 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.