Your question: Can an air filter be too thick?

Can I use a thicker air filter?

Most air filters are 1 inch thick, but some systems can accommodate filters 2 to 5 inches thick. In our tests, we found that the thicker the filter, the better it works and the longer the replacement intervals. That means it’s better for you and for your heating, ventilating, and air conditioning (HVAC) system.

Can your air filter be too restrictive?

Burnt out motors and controls can result from too-restrictive filters. … Coils, motors, and blowers can also easily become clogged by weak filters creating higher fan usage resulting in higher energy costs.

What thickness air filter should I get?

The general best practice is to use the thickest air filter you can for maximum efficiency. … If your system only fits a 1-inch or 2-inch filter, a high MERV rating could be detrimental. A 1-inch filter with less surface space will get clogged fairly quickly and need to be replaced much sooner than a thicker filter.

Can I stack two 1 inch air filters?

Bottom Line: Putting two filters will not make it last longer but may make you have to replace it earlier, assuming it doesn’t already reduce air flow too much with just the filters.

IT IS AMAZING:  How many types of Brita water filters are there?

Is MERV 13 too high?

Filters within a MERV rating of 17-20 are almost never necessary in a residential home. A MERV rating of 13-16 is considered hospital level air quality, so it is unlikely your home needs any more than that.

Is MERV 11 too high for home?

A MERV 11 air filter has a higher efficiency rating. Meaning, it can capture finer particles and clear more contaminants out of the air. … In most cases, a MERV 11 air filter isn’t too high for residential use.

Do thicker furnace filters restrict airflow?

Because high MERV filters are designed to catch large and small particles and therefore will get dirty quickly. And since the filter is thin, the filter will quickly fill up with particles and block airflow. … A thicker filter (4-5 inches) has more surface area and therefore allows more room for air to pass through.

Can I run AC without filter?

The short answer: You can get away with running your AC without a filter for a short amount of time without hurting your system. That being said, running your AC without a filter for longer than 6-8 hours can cause serious damage to your AC system and significantly lower the quality of the air in your home.

Does thickness of furnace filter matter?

The Thicker, the Better

Furnace filters can range anywhere from 1″to 5″ in thickness. In general, the thicker the furnace filter is the more efficiently your unit work and the longer it will last.

Does air filter depth matter?

If improving air quality is a priority for you, the depth of the filter doesn’t matter so much as MERV. … The higher the MERV rating, the smaller the contaminants a filter can trap—which also means it will clog faster.

IT IS AMAZING:  Frequent question: Can a bad fuel filter cause a rich condition?