Furnace Repair in Norman, OK
Furnaces here run from November through April. If yours quits, tell us what it's doing and a licensed contractor who covers Cleveland County will get in touch.
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What Norman winters do to a furnace
Your furnace works from November through April here, six months of the year. On the cold nights in that stretch, lows average 30°F, and the burner cycles on and off again to hold the house steady. Each cycle depends on the igniter to light the burner, and that part wears with every start.
Cleveland County has seen 10 winter storms and 163 damaging wind events over the past ten years, and storms like these knock out power. A quarter of Oklahoma households went at least a day without power in 2024. When the power drops on a cold night, a gas furnace with electronic ignition will not restart on its own, and the house starts losing heat right away.
- 6 months
- November through April, your furnace is on duty
- 30°F
- the average winter night it heats against
- 56%
- of homes here heat with gas, so most furnaces here burn gas
- 10 winter storms
- in ten years, the nights a failure hurts most
NOAA nClimDiv, 1991–2020 normals
A new furnace would cut about $100 a year off heating for a typical Cleveland County home.
Estimates for a typical Cleveland County home, compared with an older unit built to the previous federal minimum, from EIA household energy data, Oklahoma fuel prices and NOAA climate normals. Your home will differ.
Repair makes sense when one part has failed and the heat exchanger is sound.
Replacement makes sense when the heat exchanger is cracked or the furnace keeps needing parts.
Oklahoma requires HVAC contractors to hold a state license.
The Construction Industries Board is the state body that issues this license. It covers the contractor as a whole, not the specific job, so the same license that qualifies someone to install a furnace also covers repairing one.
For a furnace repair, that license is what stands behind the work. A furnace burns gas, and a loose or corroded connection is the dangerous part of the job. In Cleveland County, 55.6% of homes heat with gas, which is exactly the kind of repair this licensing rule exists for.
Source: Oklahoma State Legislature
- Why won't my furnace turn on?
- Most often the thermostat is not calling for heat the way you think it is, or power to the furnace has been interrupted. Check that the thermostat is set above room temperature and has fresh batteries if it uses them. Next check the furnace switch, which looks like a light switch near the unit, and the breaker it runs on. If those are fine, the igniter or a safety switch inside the furnace may be at fault, and that needs a contractor to check.
- Why is my furnace blowing cold air?
- If air is moving but it is not warm, the furnace is likely running the blower without the burners lighting. That points to an ignition problem or a gas supply issue rather than the fan itself. Check that the gas valve to the furnace is open. If it is, the igniter or flame sensor probably needs a contractor to look at it.
- Why won't my furnace pilot light stay lit?
- A pilot that keeps going out is usually a sign the thermocouple is worn out and no longer holding the gas valve open. Dirt or drafts around the pilot assembly can also blow it out. Try relighting it following the instructions on the furnace. If it goes out again within a few minutes, the thermocouple needs replacing, and that is a job for a contractor.