If a filter is electrostatic, it means that it will be more effective at capturing particles in the air. However, because of the various types of materials used to create electrostatic filters, they could make the boiler work a little harder to move air. This is especially true for permanent types, even when they are clean. HVAC systems are not designed to improve air quality in the home, and filters are important for the boiler and air conditioner to work properly.
Cheap fiberglass filters are designed to prevent dust, dirt and hair from dirtying the system. While they do little to filter out allergens and other irritants, their use keeps your air conditioning system clean and efficient. In real conditions, since the air in the house is constantly recirculated through the ducts and passes through the filters each time, the cumulative effect of the filters increases. In a conversation about the most common filter levels sold in retail stores, MERVs 1 to 16, Owen said that this range “ranges from filters that can catch a golf ball (I'm exaggerating a bit) to filters that can catch just about anything.
A clogged filter can cause both the boiler and air conditioner to work harder and less efficiently. The filters trap up to 80% of particles of 50 microns or larger and 25% of particles between 3 and 10 microns in size. There are standard sizes, but the exact size of the filter will depend on the air conditioning system and its specifications. The overall size of the filter can range from a combination of height and length of 10 inches by 10 inches to 30 inches by 30 inches. To begin learning about furnace filters, let's first discuss the impact of HVAC filters and the materials used to make them.
Filters with more pleats filter better than those with fewer folds and trap even the toughest allergens and contaminants, such as pet dander and mold spores. It's one of the best types of air conditioning filters because it's cost-effective, disposable, and protects air conditioners and ovens from dirt. To achieve this efficiently, the oven filter traps dirt particles, thus preventing them from circulating throughout the house. Compared to the cheapest basic filters available, medium-efficiency MERV filters, such as the Nordic Pure MERV 12, can greatly reduce airborne dust, mold spores, pollen, and even smoke, and doing so can help alleviate respiratory illnesses, according to an NIH review.
All of them (and Owen) told us that MERV filters in this range restrict air flow more than low MERV filters, as measured by the air pressure drop generated by the filters when installed. While some types of air filters come with reusable and disposable options, washable filters are an environmentally friendly way to save money. No filter manufacturer can predict how long their filters will last because none of them know the dusty conditions in your home, so they need to be checked frequently. The best way to find out what size filter you need is to remove the existing filter from your HVAC system and check its dimensions on the filter frame.
