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A contractor quoting a central AC install in Falls County has to account for what the local climate actually demands of a system, because the load here is not a mild background condition. 47 severe weather events were recorded in Falls County, Texas between 2015 and 2024. At that rate, severe weather is a standing feature of operating in this area, and what a system is asked to handle on its worst days is part of what decides how it should be sized and how the install is done. A unit that fits the square footage on paper but was not matched to this climate's actual demands leaves the homeowner with a system that runs hard against conditions it was never quite right for.
Ductwork laid for an older generation of equipment carries assumptions about airflow, return sizing, and load distribution that a modern central AC system does not share. Half the homes in Falls County, Texas were built in 1976 or earlier (2020-2024 ACS 5-year). A contractor pricing an installation here has to assess what the existing duct system will actually do under a new unit before the equipment selection means anything. Runs that are undersized, trunk lines that dead-end where rooms were added, returns that never matched the original load: these are what slow a job or change its scope. The electrical panel is a separate question, and both have to be answered before a quote is real.
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 the air moving through it. The outdoor condenser unit sits on a concrete pad beside the house and carries the compressor, which does the heavy work of moving that heat outside.
A copper refrigerant line set runs between the two units, carrying refrigerant back and forth to keep the cycle going. The thermostat mounts on an interior wall and is the control point for the whole system, telling the equipment when to run and when to stop.
The drawing shows how these pieces fit together in a typical layout, and a licensed contractor determines exactly how they apply to your house.
Get matched in Falls CountyFalls County, Texas, by the numbers
47 severe weather events were recorded in Falls 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 Falls County, Texas were built in 1976 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFalls County, Texas holds 7,450 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 Falls County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRules & Standards Governing Central AC Installation in Falls County, Texas9 sourced rules and standards
What the installation looks like
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 Falls 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 Events in Falls County
Weather puts a measurable load on HVAC equipment, and that load is shaped by local conditions. What the climate does in Falls County determines how hard a newly installed central AC system has to work and how it should be specified.
47 severe weather events, 2017–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.