Veteran-Owned • Licensed in Arkansas and Oklahoma • Calls answered 24/7
Furnace Keeps Turning On and Off (Short Cycling)
A furnace that starts, runs a few minutes, then shuts off can have an airflow, flame, or overheating problem. Here’s what you can check and when to call.
Calls answered 24/7: (479) 616-1364. No heat? Call any time and tell us what the system is doing.
Furnace still turning on and off? Call us, and a technician will find out why. We handle heating systems repair across the River Valley.
What you can check
- Check the filter and replace it if it’s dirty. Open any closed vents.
- Time how many minutes the burners stay on before shutting off. That helps the technician.
- Move boxes and storage away from the furnace.
- Never try to bypass or disconnect a safety switch.
- If it keeps happening, book a visit so a technician can find the cause.
When to call
Call if the house is getting colder, a breaker trips, you smell gas or burning, or the furnace stops trying to start at all. We fix furnaces in Fort Smith, Van Buren, Greenwood, and Alma.
Prefer to book online? Use Book Online and note how long the furnace runs before it shuts off.
Don’t open the furnace or touch the safety switches inside. Those are a job for a trained technician.
On the job
Real photos from our jobs.
What makes a furnace turn on and off
Usually it comes down to heat that can’t get out or a flame the furnace can’t confirm. A clogged filter, closed vents, or a dirty indoor fan can trap heat inside the furnace, and a safety switch shuts it down before it overheats. A dirty flame sensor can make the furnace shut the gas off seconds after lighting. A thermostat in a bad spot, like right next to a vent, can also turn the furnace off too early. Our technician checks these one by one before replacing parts.
We handle heating systems repair across the River Valley, including furnace repair in Fort Smith and furnace repair in Van Buren. Call our Fort Smith office and Van Buren office any time. If an older furnace keeps turning on and off after repairs, ask us whether to repair or replace it.
Why it’s worth fixing
A furnace that keeps starting and stopping wears its parts faster and may never get the house to the temperature you set. If the cause is overheating, the safety switch is doing its job, so the fix is finding out why the heat is trapped.
Our technicians handle furnace repair across Fort Smith, Van Buren, Greenwood, and Alma, and they explain what they found before any work starts.
If you smell gas or a carbon monoxide alarm sounds, get everyone outside and call 911 or the gas company. Otherwise, call any time or book online with a note about how often the furnace turns on and off.
Want a technician to take a look?
Call us or book online. Calls are answered 24/7, and a technician explains what was found before any repair starts.