3 Reasons Your Furnace Can Rust
The longer you wait to address rust on your furnace, the worse the problem will become. As rust builds up, it eats away at metal surfaces. The appearance of this damage can indicate a problem is building from within your heating system. 1. Humidity Too much humidity in the home can pose a problem for the ventilation system. Excess moisture can actually build up inside the return air system and cause metal components to rust. If you live in a humid climate, you’ll want to monitor air moisture and keep ducts clean. A dehumidifier can help
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