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Before a contractor can price a repair on a central AC system in Tom Green County, they have to settle a real question: how much of what failed is weather load and how much is plain age or a bad install. 350 severe weather events were recorded in Tom Green County, Texas between 2015 and 2024. A record that sits at that rate means severe weather is a standing condition here, not a rare one, and components like capacitors, contactors, and refrigerant lines carry that load across every cooling season. A contractor who skips that separation risks replacing a part that will fail again for the same reason the first one did.
Ductwork and refrigerant lines in a house this old have likely been touched more than once, and each round of repair leaves behind whatever the contractor of that moment had access to. Half the homes in Tom Green County, Texas were built in 1980 or earlier (2020-2024 ACS 5-year). That history shows up inside the opened unit: a system running in housing this vintage can be carrying components from several different service generations, and parts for some of them are no longer in production. When a contractor pulls the cover, what determines the repair timeline is whether the failed component still has a current equivalent or requires sourcing from diminishing stock.
The Parts of a Central AC a Contractor Checks First
The outdoor condenser unit sits on a pad outside the house and holds the compressor and condenser coil, the two components a contractor reaches for first when a system stops cooling. The compressor is the mechanical heart of the refrigerant circuit, and a failed compressor is one of the most common reasons a central AC runs but produces no cold air. The condenser coil sheds heat to the outside air, and a blocked or damaged coil shows up as the system overheating and shutting itself off.
Inside the house, the air handler holds the evaporator coil and the blower. The evaporator coil sits in the air stream and is where refrigerant does its work; a leak or a frozen coil points a contractor straight here. The blower moves conditioned air into the supply side of the duct system, and a failed blower motor means the air handler runs while no air reaches the rooms. The expansion valve, which sits between the two coils and controls refrigerant flow, is a quieter suspect that shows up once the more obvious parts check out.
The drawing shows a typical central AC layout, and a licensed contractor determines which components apply and what condition they are in for your specific house.
Get matched in Tom Green CountyTom Green County, by the numbers
350 severe weather events were recorded in Tom Green 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 Tom Green County, Texas were built in 1980 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesTom Green County, Texas holds 52,318 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 65.1% of the occupied homes in Tom Green County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Governing Central AC Repair in Tom Green County, Texas9 sourced rules and standards
What HVAC Repair Looks Like in Tom Green County
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.
Rules That Apply to HVAC Repair in Tom Green 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 Tom Green County
Extreme weather puts strain on AC equipment in ways that accumulate over time. How often that pressure occurs in Tom Green County shapes what local units are asked to handle and how soon repair needs tend to surface.
350 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.