A typical furnace will last about 20 to 25 years.
Furnace heat exchanger repair.
Most repairs require a component that will return the furnace to normal and safe operation.
Pour a little bit of the chemical on the hole and leave it to dry until it seals around the exchanger.
The furnace heat exchanger is the one of the main components inside the gas furnace and it s used to transfer the heat from the gas burner to the warm air that s blown into your home.
If it cracks after the warranty is up usually at least 20 years consider replacing the entire furnace.
A furnace with a cracked heat exchanger is usually an exception because of the cost of the repair.
When a gas furnace heat exchanger fails not only is it dangerous and can result in carbon monoxide poisoning the heat exchanger replacement cost is usually on the high side of typical furnace repair costs.
If you have an iron heat exchanger then you need to find an iron repair liquid which uses chemical reactions to seal holes in iron.
So check that first.
Check your documentation or contact the installer to find out.
Step 3 aftercare.
Now that you have fixed the heat exchanger replace it in the furnace.
But we also know that if your heat exchanger truly is cracked you don t have much time to sit around and wait a cracked heat exchanger will leak potentially fatal carbon monoxide into your breathing air as it heats your home.
Electric furnaces do not have a heat exchanger.
The price range you ll pay is between 360 to 2 800 based on the cost and availability of the part and the labor charge from the hvac repair company installing it.
A shady repair technician may try to trick you into believing the heat exchanger in your furnace is cracked and leaking deadly amounts of carbon monoxide into your home.
However it s an expensive repair.
Often a repair that s too expensive compared to having a new furnace put in.
This doesn t require replacing other parts of the furnace.
If your furnace is no longer under warranty the decision becomes a little more difficult.
The cost to repair could be about half the cost.
They will push you hard to either get it fixed immediately or replace the unit entirely on the spot.
Once cracked you ll need to replace it for an average of 1 500.
The crack allows the release of dangerous carbon monoxide into the air.
The cost to replace the heat exchanger in your gas furnace is about 815 when the part is under warranty and all you pay is labor.
Yeah we know that s crazy expensive.
You can t repair residential heat exchangers.
If the furnace is 10 years old or newer it s likely under some sort of protection agreement.
Flip the furnace power switch to off and wait for at least five minutes.
The best way to repair a cracked heat exchanger is to remove it and put in a new one.
In fact replacing a furnace heat exchanger can take up to 8 hours and can cost anywhere from 2 000 to 3 500.
Then turn on the power and let the furnace restart.
It s possible to repair a cracked heat exchanger but the repair is a costly one.
