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Sizing a heat pump for a Gillespie County home starts with what the equipment will actually run against over its life. 88 severe weather events were recorded in Gillespie County, Texas between 2015 and 2024. That pattern means a contractor has to account for real thermal swings at both ends when selecting equipment and placing it, not only peak summer cooling load. An undersized system struggles through the hard stretches and wears faster; a poorly sited one compounds that. A contractor working an install here builds those conditions into every choice before the unit goes in.
Ductwork laid in for one kind of system does not automatically carry another. Half the homes in Gillespie County, Texas were built in 1991 or earlier (2020-2024 ACS 5-year). A house that old was built around equipment with different airflow demands than a heat pump puts on the ducts, which means a contractor evaluating an installation here checks the existing trunk lines and branch runs before the new unit ever gets priced. If the ductwork cannot move the right volume of air, the installation scope grows. That is what the age of this housing stock actually changes about the job.
What Goes Into a Heat Pump Installation
The outdoor unit is the piece a homeowner sees first, mounted on a pad beside the house, and it holds the compressor and the outdoor coil that do the core work of moving heat. Inside the house, the air handler sits in a utility closet, basement, or attic and pushes conditioned air through the home.
A refrigerant line set runs between the two units, carrying the working fluid that ties the outdoor and indoor sides together. A thermostat goes on an interior wall and gives the homeowner control over the whole system.
The drawing shows a standard layout, and a licensed contractor determines exactly how each piece is positioned and connected in your home.
Get matched in Gillespie CountyGillespie County, by the numbers
88 severe weather events were recorded in Gillespie 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 Gillespie County, Texas were built in 1991 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesGillespie County, Texas holds 14,373 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 74.9% of the occupied homes in Gillespie 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 Gillespie County, Texas1 codes, standards, and statutes
Licensing and Legal Requirements in Gillespie 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 Gillespie County
Gillespie County weather puts real demands on heating and cooling equipment over its lifetime. A heat pump sized and installed for local conditions handles those loads better than one specified for somewhere else.
88 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.