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A contractor quoting a heat pump installation in Martin County starts from what the house actually demands, not from a severe weather baseline that drives decisions elsewhere. 58 severe weather events were recorded in Martin County, Texas between 2015 and 2024. At that rate, severe weather is an occasional event rather than a standing condition, which means the load shaping a correct equipment size and installation spec comes from the building itself: its square footage, insulation, duct layout, and how the occupants run it. A system installed without that ground-level assessment is likely to be sized wrong long before the weather becomes a factor.
Ductwork laid down for a furnace and central AC is built around a different airflow balance than a heat pump demands. Half the homes in Martin County, Texas were built in 1974 or earlier (2020-2024 ACS 5-year). A heat pump moves air continuously at lower temperatures, and ducts designed for the short, high-heat bursts of a gas furnace often have the wrong sizing, the wrong return capacity, or both. A contractor doing a heat pump install here checks the duct system before the unit is even priced, because what is already in the walls decides whether the new equipment performs as rated or fights its own distribution network from day one. Electrical service gets the same look, since the panel and the branch circuit have to match what the new unit draws.
What a Heat Pump Installation Puts in Your Home
The outdoor unit sits on a pad beside the house and holds the compressor and the coil that exchanges heat with the outside air. Inside, an air handler mounts in a utility space, closet, or attic and moves conditioned air through the home. These two units are the core of what a contractor sets in place.
A refrigerant line set runs between the outdoor unit and the air handler, carrying refrigerant between the two. A thermostat goes on an interior wall where it reads the home's temperature and signals the system to run. Each of these pieces has a fixed location that a contractor determines based on the house.
The drawing shows a typical layout, and a licensed contractor determines exactly what applies to this house.
Get matched in Martin CountyMartin County, Texas, by the numbers
58 severe weather events were recorded in Martin 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 Martin County, Texas were built in 1974 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesMartin County, Texas holds 2,135 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 78.1% of the occupied homes in Martin County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesHeat Pump Installation Rules Sourced for Martin County, Texas1 codes, standards, and license rules
Licensing and Legal Requirements in Martin 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 Events in Martin County
Weather extremes put a measurable load on heating and cooling equipment, and that load shapes what a heat pump needs to handle year after year. Sizing and installing equipment for Martin County means accounting for the conditions it will actually face.
58 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.