There are a few reasons why your furnace filter will turn black after a while. The purpose of the filter is to remove dust and other contaminants from the air. They sometimes need to be replaced or cleaned as often as every month during the heating season. Here are common reasons why a filter becomes black.
Read MoreA heating system that functions properly can result in a comfortable home and energy bills that you can afford. Let's look at some reasons why your heating system may not work properly and what you can do to fix those issues.
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