![]() This type of filter is slightly more expensive than the disposable pleated but less expensive than some of the higher quality filters below. Disposable electrostatic: Made of self-charging electrostatic paper or cotton fibers, this type of filter can trap small harmful particles.This type of filter should be changed more often. Disposable pleated: This type of filter is made of cotton or polyester, is able to catch small particles, and is the most affordable.It may not be sufficient if you have someone in your home with asthma or allergies, since it can fail to trap smaller contaminants. The most common type of filter is fiberglass - this type of filter is often about an inch thick and catches large contaminants. There are several different types, each of which has different advantages. In addition to choosing the right size, you'll also have to decide what type of filter you want. You can check the filter you currently have to see what size it is. Common filter sizes are 16x20, 16x25 or 20x25 inches. Not all filters are created equally, and your heating and cooling system may require a certain type.įirst, be sure to buy the right size filter for your HVAC system. When you replace your air filter, it's important that you find the right filter for your home. ![]() Heat Pump Buying Guide: Everything You Need to Know About This Furnace and AC Alternativeįinding the right filter for your furnace.Furnace Buying Guide: Find the Best Furnace for Your Home.On the other hand, if the home is primarily a vacation home that isn't used often, you may be able to extend the amount of time before you replace the filter. For example, if you have someone in your home with allergies or asthma who requires better indoor air quality, you may want to replace your filter more often.Īdditionally, if you have pets at home creating fur or dander, or a large family to bring in more contaminants, you may also wish to replace your filter more often. If you aren't sure, check the manufacturer's recommendation for the specific filter you've purchased.īut the thickness of your air filter isn't the only factor to consider. For thicker filters, you may be able to extend that by several months. Most filters should be replaced every three months. First, how often you replace your filter depends on the thickness of your air filter. ![]() So how often should you replace your air filter? That depends on a few factors. ![]() As a result, it's important to replace it on a regular basis to ensure it can continue to do its job well. See all photos How often to replace a furnace filterĪs you can tell, your furnace filter serves an important job in your home. Without a filter, dirt and other debris can accumulate in your heating and cooling system, affecting your energy bill and requiring you to replace your HVAC system sooner. The other reason the filter exists is to protect your HVAC system. This is especially important for anyone with allergies or asthma, as the filter helps remove pollen, dust and other allergens. First, a good furnace filter will keep the air in your home cleaner by trapping any airborne contaminants. There are two reasons it's important to filter out these contaminants. The job of a furnace filter is to trap contaminants from escaping through your home's heating and cooling system. ok How furnace filters workīefore we talk about replacing your furnace filter, let's talk about the purpose these filters serve and how they work. does not include every service provider available. The offers that appear on this site are from companies from which receives compensation. We regularly update the site in an effort to keep this information up-to-date and accurate at all times. presents information collected independently from official provider websites.
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