What causes a heat exchanger to become damaged?
What is the cause of heat exchanger cracks? Overheating causes nearly all premature heat exchanger cracks. A clogged air filter restricts airflow through the furnace, overheating the heat exchanger, and eventually resulting in stress cracks. An over-sized furnace can also cause overheating and heat exchanger cracks.
What can go wrong with a heat exchanger?
Cracks and Holes A cracked heat exchanger causes the combustion gases like carbon monoxide to be released into your home’s air stream. When inhaled, these gases may result in headache, nausea and other serious respiratory ailments. Doing repairs by yourself is a risk because you could be exposed to CO poisoning.
How much does it cost to fix a cracked heat exchanger?
Were you recently told that your furnace heat exchanger is cracked and needs to be replaced? If so, here’s the thing: replacing a heat exchanger isn’t as simple or affordable as it sounds. In fact, replacing a furnace heat exchanger can take up to 8 hours and can cost anywhere from $2,000 to $3,500.
What to do if your heat exchanger is bad?
There are only two options if a Heat Exchanger is bad: Replace the heat exchanger or replace the furnace. The other factors are energy efficiency and cost of service which can make replacing the furnace a preferable option even if the furnace is under warranty and available.
How much does it cost to replace a heat exchanger?
Were you recently told that your furnace heat exchanger is cracked and needs to be replaced? If so, here’s the thing: replacing a heat exchanger isn’t as simple or affordable as it sounds. In fact, replacing a furnace heat exchanger can take up to 8 hours and can cost anywhere from $2,000 to $3,500.
When to replace a furnace heat exchanger under warranty?
If the heat exchanger is under warranty, this option is a good way to go unless it is unavailable in the time frame needed, which can be immediate in cold weather. The other factors are energy efficiency and cost of service which can make replacing the furnace a preferable option even if the furnace is under warranty and available.
What causes a heat exchanger to rust on the inside?
An over-sized furnace heats the home so quickly that the furnace shuts off after only a few minutes, so the heat exchanger stays wet and rusts from the inside out. The frequent cycling of an over-sized furnace also increases the expansion – contraction heat stress on the heat exchanger.
There are only two options if a Heat Exchanger is bad: Replace the heat exchanger or replace the furnace. The other factors are energy efficiency and cost of service which can make replacing the furnace a preferable option even if the furnace is under warranty and available.
Can a cracked heat exchanger cause carbon monoxide?
Depending on the age of your furnace, a cracked heat exchanger probably means you need a new system. A crack in your heat exchanger is no trivial matter. It’s the most common cause of excess carbon monoxide in a home. But the decision to repair or replace a heating unit can be difficult.
Is it worth it to replace heat exchanger in furnace?
If your heat exchanger is cracked, your furnace is probably nearing the end of its life (18-20 years). If that’s the case, then it’s usually not worth the money to replace the heat exchanger. No matter who you ask, replacing a heat exchanger will be expensive.
When to know if your furnace heat exchanger is cracked?
If the flames are yellow/orange and dance around, then there’s a possibility your heat exchanger is cracked. Again, ask your contractor to show you these signs. OK, down to brass tacks. If your heat exchanger is cracked, your furnace is probably nearing the end of its life (18-20 years).
