What’s the Danger of a Cracked Heat Exchanger?

What’s the Danger of a Cracked Heat Exchanger?

What’s the Danger of a Cracked Heat Exchanger?

A cracked heat exchanger is a common furnace problem that may surprise homeowners during a routine furnace inspection. If an HVAC professional has told you that your furnace has a cracked heat exchanger, you need to take action. Yet because this problem requires a full replacement of your furnace, you may be tempted to ignore it. After all, the furnace is still functioning, right? Yet a cracked heat exchanger can put your family at serious risk. Before you decide to ignore the problem, you need to understand this risk and how it could potentially impact your family.

What is a Heat Exchanger?

The heat exchanger is the part of the furnace that exchanges the heat between the return air from your home and the hot exhaust coming from the combustion chamber of the furnace. This is what heats the air before it returns to your home, keeping your family warm and cozy. Between these two air masses is a sheet of metal or some metal tubing that allows the exchange of heat but not the exchange of gasses. Thus, the carbon monoxide and other gases stay out of the air in your home.

What Cracks Allow

A cracked heat exchanger provides a place for dangerous carbon monoxide to leave the furnace and enter your home’s air. Even just a tiny crack can be large enough to allow gas to escape. While the CO levels may not be high enough to trigger your CO alarm, they can be high enough to cause headaches and other illness, which seems to have no explanation.

No homeowner would knowingly allow CO into their home day in and day out, yet this is exactly what is happening when you continue to run a furnace with a cracked heat exchanger. To ensure that your furnace is running safely and efficiently in your Indianapolis home, contact Airtron Heating & Air Conditioning for a full inspection.


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