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What To Do When Your Furnace Won’t Turn On

man and woman wearing winter jackets inside because furnace won't turn on

If your furnace in Weatherford won’t turn on, it’s easy to feel frustrated and anxious. After all, with your furnace not working, you could get too cold at home and you could even have your pipes freeze. Fortunately, there are a few things you can check when your furnace won’t start.

You may be able to do something to get your furnace started again. If you try all of these and your furnace blower is not working or it isn’t heating in Weatherford, TX or the surrounding area, call us at Lightfoot Plumbing, Heating, Air & Electrical right away for Weatherford heating service. We’ll get your furnace back on as soon as we can!

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Why Your Furnace Won’t Start & How to Fix It

1) Air Filter Issues

When you leave an air filter in the furnace too long, it fills up and your furnace has to work extra hard to get the air it needs. This can cause it to work too hard. Some units will shut off when they have to work so hard, while others will break down. If your furnace won’t start, try changing the air filter and see if that helps. Learn how to change a furnace filter here!

2) Your Pilot Light Went Out

Check for a blue flame near the bottom of your furnace, or wherever the pilot light is located on your unit. Without this, your furnace won’t turn on. If it’s out, relight it if you know how or call us for help.

3) The Gas Supply is Too Low

Make sure your gas supply is turned all the way on. Your furnace can’t work without this. Some homeowners think it’s safer to turn this part of the way off, but this only ends with your furnace not working. It should be all the way on or all the way off.

4) The Thermostat Got Reset

Make sure your thermostat is set where you want it to be. If it got bumped, it could be the reason why your furnace won’t turn on. You’d be surprised how often we diagnose this as the problem behind a furnace breakdown.

Call in the Weatherford Heating Experts

Call the heating pros at Lightfoot Plumbing, Heating, Air & Electrical whenever your furnace blower is not working or it blows cold air and you can’t fix the problem. We’ll perform furnace repair in Weatherford as soon as possible and let you know how to keep it working!

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Meet the Author
Gary Lightfoot

With over 30 years of experience in the industry, Gary Lightfoot took over his family business and continues to run it with the values and standards set 35 years ago

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Fish was an awesome technician to work with. He was knowledgeable and efficient at the work that needed to be done.
Service tech wore floor protection booties during indoor service and explained the types of inspections that would be conducted. Polite and courteous service with explanation of results.
I have used Lightfoot for several years for plumbing, HVAC, and electrical. The professionals have all been so knowledgeable, hard working, honest, patient, and do the best job they possibly within your budget, giving reasonable advice when asked. I wouldn’t call anyone else at this point. It’s a great feeling to know that I can always depend on them!
Victor did a great job! He was very friendly and professional. He diagnosed the problem very quickly and described the repairs that needed to be done. He returned with the needed part and the system is working perfectly!
A true craftsman I was very pleased. He walked me through step by step.Josh is outstanding
Good job.! Clean, efficient, polite. Fixed my problem. Kevin Clack is an excellent employee and represents your company very well.
Nice, prompt, courteous, professional people that work for this company from the receptionist to the CEO the name carries weight in this town still to this day. Did a very good job too. Pleased with the services.
Guys did great job. Fast efficient and clean. Repaired leaking duct and relocated new thermostat that now has my new system working excellent
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