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Sizing a central AC system in Titus County starts with what the house actually demands, not with compensating for relentless outdoor punishment. 60 severe weather events were recorded in Titus County, Texas between 2015 and 2024. At that rate, severe weather is an occasional fact of life here rather than a standing condition the equipment fights every season. A contractor quoting a new install has to run a proper load calculation, check existing duct work, and confirm the equipment matches the structure. Those are the variables that decide whether a system runs well for years or struggles from day one, and in a county where the weather record sits where it does, they carry more weight than storm exposure.
Ductwork laid in for older equipment carries assumptions about airflow, routing, and load that a new central AC system does not share. Half the homes in Titus County, Texas were built in 1985 or earlier (2020-2024 ACS 5-year). A contractor quoting a new system has to trace what is already in the walls and attic, check whether it moves the volume a modern unit requires, and price accordingly. Houses where the duct layout cannot support the new system need more than a unit swap. That assessment drives the quote far more than the equipment selection does.
What a Central AC System Includes
The outdoor condenser unit sits on a concrete pad beside the house and holds the compressor and condenser coil, which do the core work of shedding heat outside. Inside, the air handler or furnace blower sits in a closet, attic, or utility space and pushes conditioned air through the home.
The evaporator coil mounts directly above the air handler and is the point where warm indoor air gives up its heat before the air moves into the ducts. A copper refrigerant line set runs between the indoor and outdoor units, and a condensate drain line carries away the moisture the coil pulls from the air.
The drawing shows a typical layout, and a licensed contractor determines exactly what applies to this house.
Get matched in Titus CountyTitus County, by the numbers
60 severe weather events were recorded in Titus 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 Titus County, Texas were built in 1985 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesTitus County, Texas holds 12,146 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 70.6% of the occupied homes in Titus 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 Titus County, Texas9 sourced rules and standards
What HVAC Installation Looks Like in Titus 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.
Licensing and Legal Requirements in Titus 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 Titus County, Year by Year
Weather puts a load on HVAC equipment, and that load varies by where you live. How hard a system has to work, and how long it lasts, are local questions, which is why the record for this county belongs on a page about installation.
60 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.