What kind of air filter should I use with my HVAC system, and how often should I change it?
Created 03/06/2023 at 02:06 PM
If you're like most people, you probably don't think much about the air filter in your HVAC system. However, choosing the right air filter and changing it regularly can have a big impact on your indoor air quality and the efficiency of your heating and cooling system.
What kind of air filter should I use?
There are a variety of air filters on the market, ranging from basic fiberglass filters to high-efficiency pleated filters. The type of filter you choose depends on several factors, including your budget, the air quality in your home, and the type of HVAC system you have.
Fiberglass filters: These are the most basic type of filter and are often the cheapest. They are made of layered fiberglass and are designed to trap large particles like dust and dirt. However, they are not very effective at trapping smaller particles like pollen and pet dander.
Pleated filters: These are a step up from fiberglass filters and are designed to trap more particles. They are made of pleated fabric and can capture a range of particles, including pollen, pet dander, and dust. However, they can also restrict airflow if they become too dirty.
High-efficiency filters: These are the most effective type of filter and are designed to trap even the smallest particles, including bacteria and viruses. They are often used in hospitals and other environments where air quality is critical. However, they can be expensive and may not be necessary for most homes.
How often should I change my air filter?
The frequency with which you should change your air filter depends on several factors, including the type of filter you have, the air quality in your home, and how often you use your HVAC system.
Fiberglass filters: These should be changed every 30 days or so, as they are not very effective at trapping particles and can become clogged quickly.
Pleated filters: These can typically be changed every 90 days, although you may need to change them more frequently if you have pets or live in an area with high levels of pollution.
High-efficiency filters: These should be changed every 6 months to a year, depending on the manufacturer's recommendations and your specific usage.
In conclusion, choosing the right air filter for your HVAC system and changing it regularly is an important part of maintaining good indoor air quality and keeping your heating and cooling system running efficiently. By understanding the different types of filters available and how often they should be changed, you can make informed decisions about the best filter for your home. Remember to consult with a professional if you have any questions or concerns about your HVAC system or air filter.