My heater furnace blower comes back on after it reaches a set temp. In oither words after it gets to set temp it chuts off then a few minutes later it comes back on for a minute than chuts off again.

What's the make and model number of furnace. How old is it. Can you post some pics of the furnace with covers off. Sounds like you have a heat controlled fan control, vs a time controlled fan control.

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Originally Posted by mygirlsdad77

whats the make and model number of furnace. how old is it. Can you post some pics of the furnace with covers off. Sounds like you have a heat controlled fan control, vs a time controlled fan control.

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It is a Heil Air condition and heating unit 5 years old

Well, I was wrong, if its only five years old, it is most likely a time controlled fan. Old furnaces were pretty easy to trouble shoot, (kind of like old cars), but with all the new gadgets on the new furnaces(and cars), its in your best interest to call in a pro to check the system. If you are handy with a multimeter, and know proper sequence of furnace, we will do our best to help you figure this out.