Generally, most air filter manufacturers and HVAC companies recommend changing the air filter every 90 days or 3 months. This may vary depending on the location of your home, if you have pets, and the age of your system and equipment. A general rule for pleated air filters (such as those manufactured by FilterBuy) is to change them every 90 days. As the filter traps more dirt, dust and allergens from the air, its efficiency decreases.
The ideal is to replace your air filter every three months, however, there are certain factors to consider when determining when to replace an old filter. Experts suggest changing it once every 30 days if the air filter is made of fiberglass filters, which are of relatively low quality. On the other hand, expensive pleated filters can work well if replaced once every three to six months. Different types of oven or air conditioner filters have different specifications for when they should be replaced.
Fibreglass filters have a lower price; however, they will need to be replaced more frequently (usually every 30 days). Pleated air filters are more expensive than fiberglass filters with higher quality materials and can last between 3 and 6 months, depending on other factors. Air filters are electronic devices used in homes, offices, or any enclosed space to regulate temperature, collect dirt and allergens, and control humidity. And if you buy an older system, plan to replace the filter more frequently to maintain filter quality. Any use will cause a certain amount of dirt to be trapped in the air filter; that's your job, after all.
More cycles mean more passes through the filter and opportunities to trap contaminants, so filters tend to fill up faster during periods of heavy use. Invented in 1902 by Willis Carrier, air filters work by transferring unwanted air components from indoor spaces to outdoor spaces. When you change your air filter, you allow more air to flow through the system with lower energy consumption, which translates into better circulation, cleaner air and a lower electricity bill. Some manufacturers recommend replacing air filters every 30 to 60 or 90 days, depending on the type of air filter. Simply put, if you have poor air quality outside and inside your home, you'll need to replace your air filter more often.
We know that home maintenance is time consuming, but it's absolutely crucial that you change your air filters regularly. We'll show you how often you should change your air filters and the signs that tell you when it's time. Usually, the air filter manufacturer will explain how often the air filter should be replaced in their installation instructions. During periods of the year when HVAC equipment operates frequently, air circulates more times around the house compared to times when the HVAC system is used sparingly. As mentioned above, there is no set lifespan for an air filter, but it requires an evaluation of many different aspects.
If there are no smokers or pets in your house, and your filter is the best-selling 1-filter filter with a MERV rating of 4, you should be able to wait up to 90 days before replacing it. After selecting the size and type of filter you need, remove the old filter and place the new one in the right direction. Therefore, there is no clear answer as to how long the air filter can operate efficiently before needing a replacement.