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A contractor quoting a heat pump install in Brown County cannot pull a standard load calculation off a regional chart and call it done. 155 severe weather events were recorded in Brown County, Texas between 2015 and 2024. At that rate, severe weather is a standing operating condition here, and a system sized without accounting for it will run harder and longer than the equipment was specced to handle. The contractor has to work out peak demand from what this area actually delivers, not from what a mild-weather baseline assumes.
Ductwork laid down for a gas furnace or a window unit was not designed around the airflow a heat pump needs, and in Brown County's older housing stock, that gap shows up at the assessment stage. Half the homes in Brown County, Texas were built in 1978 or earlier (2020-2024 ACS 5-year). A contractor scoping a heat pump install here checks whether the existing duct network can handle the system's volume and distribution requirements before anything else gets priced. Where it cannot, the duct work becomes part of the job. The electrical service gets the same look, since panels from that era were not built for the loads modern heat pumps draw.
What a Heat Pump Installation Covers
The outdoor unit sits on a pad beside the house and holds the compressor and the coil that exchange heat with the outside air. Inside, the air handler mounts in a utility space, attic, or closet and moves conditioned air through the home. These two units are what a contractor sets in place.
A refrigerant line set runs between the outdoor unit and the air handler, carrying the refrigerant that makes the system work as one. A thermostat goes on an interior wall where it can read the home's air and signal both units to respond.
The drawing shows a typical layout, and a licensed contractor determines exactly what applies to this house.
Get matched in Brown CountyBrown County, Texas, by the numbers
155 severe weather events were recorded in Brown 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 Brown County, Texas were built in 1978 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesBrown County, Texas holds 19,246 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 68.3% of the occupied homes in Brown County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesHeat Pump Installation Rules and Codes for Brown County, Texas1 sourced standards and regulations
Licensing and Legal Requirements in Brown 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 Brown County
Weather puts load on heating and cooling equipment, and that load varies by where you live. A heat pump sized and installed for Brown County's conditions holds up differently than one built for somewhere else.
155 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.