Replacing your furnace filter is an important step in keeping your furnace running cleanly and efficiently. Although different furnaces will have different requirements, a typical rule of thumb is replace your furnace filter every year. Scheduling an annual furnace filter replacement around the same time of the year also makes it easier to remember when it is due.
Choosing the right furnace filter is typically as simple as determining what type of filter is required by your furnace manufacturer. However, it should be noted that many furnaces can use filters from a variety of manufacturers if their sizes are standard, and there are often differences in quality and features between individual furnace filters. If you are looking to replace your filter now, this furnace filter guide offers a few key things to keep in mind:
- What is the efficiency of the furnace filter? Some filters will perform better at removing particulates from the air than others. Others are designed to maximize air flow. How well a filter performs it's job may be particularly important to anyone that suffers from allergies. Allergy sufferers will often want to look for filters that outperform on filtering small particles such as pet dander and pollen. Some filters also offer antibacterial agents right in the filter themselves.
- Is the furnace filter washable? Some filters are designed to be washed out and re-used. This can save you money over the long-run, although not all furnaces accept this type of filter. Also, keep in mind that washed filters may not perform quite as well as a brand new filter, and can also be messy to wash.
- What is the warranty that is offered on the furnace filter? Although warranties do not generally cover typical wear and use, it is important to note in case you have any problems with the filter not working correctly or failing before it's scheduled replacement.
- Is the filter of the exact right size? Getting just close doesn't really work with furnace filters. To make sure that your furnace filter is working properly it is important to make sure that is fitted to the exact size required by your furnace.
