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Sizing central AC in Bastrop County is a local calculation, not a catalog one. 97 severe weather events were recorded in Bastrop County, Texas between 2015 and 2024. At that rate, severe weather is part of what every system installed here runs against across its life, and a contractor who ignores that in the equipment selection or the install spec is leaving the homeowner with a system that fits average conditions rather than actual ones. A unit undersized for what this climate asks of it will cycle harder, recover slower, and wear faster than the nameplate suggests it should.
Ductwork laid down before modern high-efficiency units existed was sized for different airflow rates, and a central AC installation in Bastrop County runs straight into that gap. Half the homes in Bastrop County, Texas were built in 1999 or earlier (2020-2024 ACS 5-year). That puts the duct system, not the new equipment, at the center of what a contractor has to evaluate before any unit is selected or priced. If the existing runs cannot carry what the new system delivers, they get resized or replaced, and that work sets the scope of the job more than the unit itself does. The electrical service is a second check: older panels may need an upgrade to handle the load a current-generation compressor draws.
What Goes Into a Central AC Installation
The outdoor condenser unit sits on a concrete pad beside the house and holds the compressor and condenser coil. Inside, the air handler or furnace-mounted evaporator coil lives in a closet, attic, or utility space and is the piece that cools the air moving through your home. These two units are what a contractor brings in and sets into place.
A refrigerant line set runs between the outdoor and indoor units, carrying refrigerant back and forth between the two coils. The system also gets a new thermostat on an interior wall and a condensate drain line that carries moisture out of the house.
The drawing shows a typical layout, and a licensed contractor determines exactly how each piece fits the configuration of your home.
Get matched in Bastrop CountyBastrop County, by the numbers
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 EstimatesRules & Standards Behind Central AC Installation in Bastrop County, Texas9 sourced rules and standards
What the installation looks like from your side
Split-system central air conditioners rated below 45,000 Btu/h manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.
Split-system central air conditioners rated at or above 45,000 Btu/h manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.
Split-system central air conditioners manufactured between January 1, 2015 and December 31, 2022 had to meet 13 SEER, the metric that preceded SEER2.
Single-package central air conditioners manufactured on or after January 1, 2023 must meet a federal minimum of 13.4 SEER2.
Space-constrained central air conditioners manufactured on or after January 1, 2023 must meet a federal minimum of 11.7 SEER2.
Federal efficiency standards for split-system central air conditioners and heat pumps are set on each certified combination of outdoor unit and indoor coil rather than on the outdoor unit alone.
Residential and light commercial air conditioning and heat pump systems assembled in the field, including mini-splits and unitary systems, may not be installed on or after January 1, 2025 using a refrigerant with a global warming potential above 700.
A field-assembled system whose specified components were all manufactured or imported before January 1, 2025 carries no installation compliance date under the refrigerant restrictions and may still be installed.
What Bastrop County, Texas Requires for HVAC Installation
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 in Bastrop County
Weather events put a hard load on cooling equipment, and that load is local. What the climate does in Bastrop County shapes how hard a central AC system has to work and how well it needs to be sized to hold up over time.
97 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.