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A furnace in Swisher County has been running against real load, and a contractor diagnosing a repair here starts by checking what that load has done to the heat exchanger, the limit switches, and the control board before drawing any conclusions about what failed and why. 137 severe weather events were recorded in Swisher County, Texas between 2015 and 2024. At that rate, severe weather is part of normal operating life for every system in this county, and components that sit between the burner and the rest of the house tend to show the wear first. A contractor who skips that check can quote the wrong repair.

Ductwork and wiring that has been patched across multiple heating systems over the decades is common in housing stock this old, and it shapes what a contractor finds once a furnace is open. Half the homes in Swisher County, Texas were built in 1961 or earlier (2020-2024 ACS 5-year). A unit running in a house built that long ago has often outlasted one or more of its own parts generations, and the question a contractor has to answer on the spot is whether what it needs is still being made. When a component turns out to be superseded, the repair either waits on a specialty supplier or the scope changes entirely.
The Parts of a Furnace a Contractor Checks First

The heat exchanger sits inside the furnace cabinet and is the piece a contractor looks at early in a repair call. Cracks or corrosion there let combustion gases into the airstream. The burners sit just below it and are where the fault shows up when the furnace lights poorly or not at all.
The blower motor sits at the base of the cabinet and pushes conditioned air into the supply ducts. Near it, the inducer motor pulls exhaust gases out through the flue before ignition begins. The flame sensor, a small rod that sits in the burner assembly, shuts the system down when it cannot confirm a flame is present and is a frequent repair point.
The drawing shows a general furnace layout, and a licensed contractor determines which components apply and what condition they are in for your specific system.
Find a contractor in Swisher CountySwisher County by the Numbers
137 severe weather events were recorded in Swisher 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 Swisher County, Texas were built in 1961 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesSwisher County, Texas holds 3,029 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 66.4% of the occupied homes in Swisher County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Governing Furnace Repair in Swisher County, Texas5 sourced rules and standards
What Happens When the Contractor Arrives
Non-weatherized gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized oil-fired furnaces manufactured on or after November 19, 2015 must reach 83.0 percent AFUE.
Mobile home gas furnaces manufactured on or after November 19, 2015 must reach 80.0 percent AFUE.
Non-weatherized gas furnaces manufactured on or after December 18, 2028 must reach 95.0 percent AFUE, up from the 80.0 percent minimum that applies to units manufactured before that date.
Licensing and Legal Requirements in Swisher 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 Swisher County
Extreme weather puts real stress on heating equipment, and how hard a furnace works over its lifetime is shaped by local conditions. Swisher County's weather record is part of what makes furnace repair here a local question, not a generic one.
137 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.
