When To Replace Furnace Air Filter

If the furnace turns on while there is not filter in it then it can suck up potentially damaging loose debris.

When to replace furnace air filter.

A clean furnace filter traps dirt and allergens and makes your furnace run more efficiently and last longer. Fiberglass filters are a lower cost option but they need to be disposed of and replaced roughly every 30 days. This video shows you how to remove the furnace. Pleated air filters are usually made of higher quality materials and can last anywhere from three to six months depending on the material.

Set the furnace s thermostat to the off position. Disposable ones are typically 1 or 2 inches thick. Get the right replacement. Similarly a dirty filter can cause an air conditioner to shut down because the coils freeze up when airflow is inadequate.

Home air filters protect your hvac system but can be harmful if you don t change them regularly. Filters are designed to protect the blower motor from dirt. Air circulating through your system passes through the filter usually located between the return air ducting and your furnace or air handler where contaminants are removed before moving to the heating or cooling system for. Both events stress the system.

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. As a general rule you ll want to replace pleated air filters and furnace filters in your home every 90 days. All the home air filter sizes. Filters are designed to trap dust and airborne particles as air is drawn through the filter and into the furnace system.

The general rule is to change a furnace filter usually located behind a. Your hvac doesn t have to work as hard to push air through a clean filter. The longer the filter is in place the more dirt dust and allergens are trapped clogging the filter and decreasing their efficiency. A furnace filter s job is to remove contaminants from your indoor air and keep air flowing properly through your heating and cooling system.

This will prevent the furnace from turning on while you are checking or replacing the filter. There s no such thing as a standard size air filter. Furnace filters are sold at home centers hardware stores and online. If you don t change the filter lack of airflow through the furnace will cause it to overheat and shut down.