Is a Cracked Heat Exchanger Cause for Concern?


If you have a commercial HVAC system, you must know the signs of a cracked heat exchanger. A cracked heat exchanger can cause your system to break down and can also be dangerous. This blog post will discuss the dangers of a cracked heat exchanger and how to tell if your system has one.

Carbon Monoxide Risk

One of the dangers of a cracked heat exchanger is that it can release carbon monoxide into your home. This is because the cracked heat exchanger allows outside air to enter your system, which mixes with the fumes from your furnace. Carbon monoxide can be deadly, so you should never ignore signs of this problem in your HVAC system.

Furnace Malfunction

Another danger of a cracked heat exchanger is that it can cause your furnace to break down. This is because the cracks create air gaps in your system, which will lead to reduced efficiency and can even result in the furnace turning off completely. If you ignore the problem, this could eventually lead to extensive damage to your furnace or other parts of your system.

Repair Immediately

If you suspect your heat exchanger is cracked, it’s a good idea to have it repaired immediately. An HVAC technician can test the exchanger to determine if it has cracks or other damage. Then, depending on the condition of your system, they may recommend replacing some parts or even the heat exchanger itself.


It’s essential to be aware of the signs that your heat exchanger is cracked, as this can pose a serious risk to you and your family. If you suspect a problem with your system, contact an HVAC technician immediately so they can repair or replace the damaged parts.



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