Furnace Filter Change Interval

Though you don t have to change your furnace filter every single month it should be changed every three months at most as the seasons change.

Furnace filter change interval.

When to change an air filter the frequency at which your air filter should be changed depends on a variety of factors including the type of filter in your hvac unit. Your air conditioner and furnace push air through your filter every time they are operating. Why you should schedule regular furnace maintenance. This is good practice if you are using older fiberglass filters but for newer more efficient filters you should do it a little differently.

The long standing rule of thumb on furnace filters is to change them every month. Fiberglass filters are a lower cost option but they need to be disposed of and replaced roughly every 30 days. How the usage of your hvac system affects your air filter change interval. These should be inspected and cleaned at least once a month but you may need to replace them that frequently also.

There is no substitute for the analysis of a true expert. That means that the more you use your hvac system the quicker your filter will get dirty. Typical recommendations range from every 30 days for cheaper fiberglass filters which often don t do a great job of filtering to as long as 6 months for higher end pleated filters. Depending on your lifestyle and the type of.

The general rule is to change a furnace filter usually located behind a return air vent or in a slot on the furnace itself at least once every 90 days. When in doubt we suggest that you check the filter to see if it is truly dirty.