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Sizing a central AC system here starts with the building, not the weather. 46 severe weather events were recorded in Upton County, Texas between 2015 and 2024. At that rate, severe weather is an event in this county rather than a standing condition, which means it is a poor explanation for why a system underperforms or fails. What a contractor has to work out before quoting an install is the actual heat load of the structure: insulation, window area, air sealing, and duct layout. Those variables drive the equipment size. A system that is wrong for the building will run poorly regardless of how quiet the sky has been.
Ductwork laid down for an older system often runs the wrong sizes, takes the wrong path, or was sealed with materials that have since failed. Half the homes in Upton County, Texas were built in 1967 or earlier (2020-2024 ACS 5-year). A contractor quoting a new central AC unit has to open the duct runs and trace the electrical service before the equipment selection means much, because what is already in the house sets the real boundary on what the new system can do. If the ducts cannot move the air a modern unit pushes, the install requires more than a box swap.
What a Central AC System Includes
The indoor air handler sits inside the house, usually in a utility closet, attic, or basement, and it holds the evaporator coil that pulls heat out of your indoor air. The outdoor condenser unit sits on a concrete pad or bracket outside the house and releases that heat to the exterior. Together, those two units are the heart of what gets purchased and placed.
A refrigerant line set runs between the two units, carrying refrigerant back and forth through copper tubing, and a condensate drain line carries the moisture the indoor coil pulls from the air out of the house. A thermostat on an interior wall ties the whole system together, reading the temperature and telling the equipment when to run.
The drawing shows a typical layout, and a licensed contractor determines exactly how each piece applies to your home.
Get matched in Upton CountyUpton County, by the numbers
46 severe weather events were recorded in Upton 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 Upton County, Texas were built in 1967 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesUpton County, Texas holds 1,683 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 77.2% of the occupied homes in Upton County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Governing Central AC Installation in Upton 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.
Licensing and Legal Requirements in Upton 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 Upton County
Weather puts a measurable load on cooling equipment, and that load varies by location. How hard the climate pushes here shapes what a central AC system needs to handle and how long it has to hold up.
46 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.