Furnace Heat Exchanger Repair

Then turn on the power and let the furnace restart.

Furnace heat exchanger repair.

If the furnace is 10 years old or newer it s likely under some sort of protection agreement. 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. A typical furnace will last about 20 to 25 years. 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.

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. Electric furnaces do not have a heat exchanger. Now that you have fixed the heat exchanger replace it in the furnace. So the first thing to do is to check your furnace s warranty.

In fact replacing a furnace heat exchanger can take up to 8 hours and can cost anywhere from 2 000 to 3 500. Most problems with a gas furnace can be repaired though the repair cost is not always justified. Pour a little bit of the chemical on the hole and leave it to dry until it seals around the exchanger. You can t repair residential heat exchangers.

Step 3 aftercare. Repair experts tell us that they often show up at a residence only to find that the unit isn t getting power because of a tripped breaker or a flipped switch. 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. The crack allows the release of dangerous carbon monoxide into the air.

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. Yeah we know that s crazy expensive. If it cracks after the warranty is up usually at least 20 years consider replacing the entire furnace.

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. A furnace with a cracked heat exchanger is usually an exception because of the cost of the repair. However it s an expensive repair. They will push you hard to either get it fixed immediately or replace the unit entirely on the spot.

Check your documentation or contact the installer to find out. Most repairs require a component that will return the furnace to normal and safe operation. The cost to repair could be about half the cost. This doesn t require replacing other parts of the furnace.

Often a repair that s too expensive compared to having a new furnace put in. Once cracked you ll need to replace it for an average of 1 500. 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 your furnace is no longer under warranty the decision becomes a little more difficult.