How to change Your Furnace Air Filter

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Furnace heated homes all feature furnace filters. These are small filters that sit inside your heating system and collect dust and particles from the air that passes through them. They require regular cleaning to ensure they run smoothly and efficiently.
The guidelines state that a filter should be changed a minimum of once per month. This is only a guideline though, you're can change them more frequently if you wish but leaving them any longer is risky. When the time comes to change your filter, check through your instructions to familiarize yourself with the method. I've outlined a simple guide.

1. First of all you should switch off the power supply. This is the most important point of all.

2. Open the door of the furnace. The instruction manual will detail exactly how to do this.

3. Once the door is open take the furnace air filter out and insert a fresh one if it's a disposable filter in the exact same position as the one you've removed. Once again, if you encounter any issues have a look through your manual.

4. If the filter is a reusable one you'll need to have a good look at it to ensure it requires cleaning. Check it against a light source to see how clogged up it is. A dirty filter is an indication of its efficiency.

5. Once you've checked the filter have a look inside the venting system. If there's obstructions, dirt or debris clean them out.

6. After you've cleaned out the venting system and decided whether or not to replace the filter you need to cross reference the new furnace filter with the manual to make sure it's the exact same model. By and large, furnace air filters are not interchangeable from one heating system to the next so getting the exact same model is crucial.

7. Place the new or clean filter once it's fully dried back into the furnace in the identical position you removed it from. It's important that the filter is inserted in the right way round. If you're unsure have a close look at the filter, many of them have markings to denote their correct direction.

8. Once you've put the filter back inside, close the door and secure it in position. Only once you've closed the door is it safe to turn the gas supply or electricity back on. Congratulations, you've just learned how to clean your first filter.