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A contractor quoting a heat pump install in Bastrop County has to treat sizing as a local calculation, because the climate here puts sustained seasonal demand on equipment that a catalog spec sheet does not account for. 97 severe weather events were recorded in Bastrop County, Texas between 2015 and 2024. At that rate, severe weather is a standing feature of the operating environment, which means a correctly sized system is one built to run hard through conditions like these, not one specced for a milder version of Central Texas. Undersizing by even a small margin shows up fast when the load is real and persistent.
Ductwork laid in for older cooling and heating equipment was sized around the airflow assumptions of its era, and a modern heat pump moves air differently enough that what is already in the walls either fits the new unit or it does not. Half the homes in Bastrop County, Texas were built in 1999 or earlier (2020-2024 ACS 5-year). A contractor installing a heat pump in stock like this checks the existing duct layout and the electrical service before anything else, because those two things set the boundary of what the job costs and how it gets done. If the ducts are undersized or the panel cannot carry the load, that work comes first.
What a Heat Pump Installation Puts in Your Home
The outdoor unit sits on a concrete 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 closet, attic, or utility room and pushes conditioned air through the home. These two units are the core of what a contractor puts in place.
A refrigerant line set runs between the outdoor unit and the air handler, connecting the two halves of the system. A thermostat mounts on an interior wall and gives the homeowner control over the whole setup. Some installations also include a supplemental electric heat strip inside the air handler for the coldest days.
The drawing beside this text shows the general layout of a heat pump system, and a licensed contractor determines exactly what applies to your house.
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97 severe weather events were recorded in Bastrop 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 Bastrop County, Texas were built in 1999 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesBastrop County, Texas holds 39,706 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 76.5% of the occupied homes in Bastrop County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesHeat Pump Installation Rules for Bastrop County, Texas1 codes & standards
Licensing and Legal Requirements in Bastrop 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 Bastrop County
Weather in this part of Texas puts real demands on heating and cooling equipment, and those demands shape what a heat pump here needs to handle year after year. How hard a system works, and how long it lasts, is a local question.
97 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.