What Are the Different Types of Air Filters and How to Choose the Right One?

No, HVAC air filters differ in quality and dimensions, and some have features that others don't. In most cases, we recommend using the filter that your HVAC manufacturer recommends matching with your system. All filters are assigned MERV ratings, ranging from 1 to 20. At its most basic function, an air filter removes impurities such as dust, pet dander, or even bacteria from the air that flows through the system.

Not only does this improve the air quality inside your home, but it also protects your HVAC system from potential damage. If you really want to clean the air as it flows through your HVAC system, you should consider installing a whole-house air purifier or ultraviolet light that goes inside your HVAC unit. Some brands have created their own rating systems, such as the Home Depot filter performance rating and the 3M microparticle performance rating. Filters with more pleats will provide better filtration than those with fewer folds, trapping even the toughest allergens and contaminants, such as pet dander and mold spores. The starting price of this type of air filter for HVAC systems is high, but it should be considered as an investment that will last for many years.

As electret filters, all of these models will lose effectiveness as they capture particles and must be replaced at least every three months, according to the manufacturer's recommendations. While they can effectively filter dust and other airborne contaminants, they provide low air filtration and are less resistant to airflow. While certain types of air filters come with reusable and disposable options, washable filters are an eco-friendly way to save money. While you should refer to the instructions for your HVAC system and your specific filter for maintenance guidelines, you should generally change filters at least every season, if not once a month. In fact, there are many different types of air filters available and choosing the right one can make a real difference to the lifespan of your HVAC system. It's one of the best types of AC filters because it's cost-effective, disposable, and protects air conditioners and ovens from dirt.

There are standard sizes, but the exact filter size will depend on your HVAC system and your specifications. Because pleated filters slightly improve the air quality in your home, they are a reasonably priced option for people who care about indoor air quality. Not only do filters remove dust allergens, mold spores, and other pollutants from the air your family breathes, but they also filter out fine dirt particles that can degrade the performance of the HVAC system itself. As one of the main types of air filters, they come with maintenance instructions that must be followed. Start by determining the specific needs of the occupants of your home, which should be directly correlated with the CADR or MERV ratings of your air filters.

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