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A furnace contractor quoting a job in Randall County has to account for what the local climate actually demands before settling on equipment or installation method. 390 severe weather events were recorded in Randall County, Texas between 2015 and 2024. At that rate of severe weather events, this area puts a furnace under load conditions that are built into the normal operating calendar. A unit undersized for the actual demand here will run harder and fail sooner than its specs suggest. That is why a contractor works through heat-loss calculations specific to this address rather than pulling a standard size from a catalog.

Ductwork laid down for an older furnace carries specific dimensions, routing choices, and static pressure assumptions that were correct for what the house held at the time. Half the homes in Randall County, Texas were built in 1986 or earlier (2020-2024 ACS 5-year). A contractor installing a new furnace in this stock has to assess whether those ducts move enough air for a modern unit, and whether the existing electrical service handles the load, before the equipment itself becomes the question. A house that has changed furnaces once or twice since it was built may have ductwork that was patched rather than redesigned, and that patchwork is what decides whether the new installation performs or struggles from day one.
What Gets Installed With a New Furnace

The furnace itself sits in a utility closet, basement, or dedicated mechanical room and is the unit that produces heated air. Attached to it is the heat exchanger, a sealed metal chamber where combustion gases stay separated from the air that moves into the home. The burner assembly mounts inside the furnace cabinet and is where fuel ignites.
The blower motor and fan sit in the lower section of the furnace cabinet and push conditioned air out through the supply side of the system. The flue pipe runs from the furnace to an exterior wall or roofline, carrying combustion exhaust out of the house. A thermostat mounts on an interior wall and serves as the control point that tells the furnace when to fire.
The drawing shows a typical layout, and a licensed contractor determines what the configuration looks like in your specific home.
Find a contractor in Randall CountyRandall County, by the numbers
390 severe weather events were recorded in Randall 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 Randall County, Texas were built in 1986 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesRandall County, Texas holds 61,677 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 67.9% of the occupied homes in Randall County, Texas (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesFurnace Installation Rules for Randall County, Texas5 codes, standards, and laws
What the Installation Actually Looks Like
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 Randall 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 Randall County
Randall County weather puts real load on heating equipment, and that load shapes what a furnace needs to handle over its working life. Sizing and installation decisions belong to the local record, not a national average.
390 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.
