Which Way To Put A Furnace Filter In

Furnace Filters. It's easy to forget about them quietly working away, keeping your furnace clog complimentary and air quality clean.

Yes, piece of cake to forget most and so, suddenly it'south time to change them and, oh love… And then. Many. Questions.

Yep, at CleanAlert we often go asked nigh Furnace Filters, and if yous ask us, the only stupid question is the ane that goes unasked. And so, nosotros thought we put all your questions (and answers you can trust) in 1 easy to observe identify. At present you never need worry near the furnace filter direction again. You're welcome!

Which Way Does Furnace Air Flow?

Forced air furnaces recirculate air through a home: pushing air (cool or heated) in, and pulling spent air back in for another cycle. So, air flows from your ducts, through the filter, and into the furnace.

What's The Correct Furnace Filter Direction?

If you are looking at a furnace filter, find the arrow that indicates the proper air catamenia direction. That arrow must ever face toward the furnace and away from the return duct that carries the air in demand of heating or cooling.

How Practise I Install A Furnace Filter?

This is pretty easy one time you've found the arrow mentioned above and inserted it with the pointer facing towards the furnace and abroad from the return duct. Need more than help? Check out our handy guide to installing a furnace filter.

What Do Furnace Filter Ratings Mean?

All filters are rated using the Minimum Efficiency Reporting Value, or MERV, scale which goes from 1 to 20. The United states of america Environmental Protection Agency recommends air furnace filters with a MERV between 7 and 13 for nearly homes. Cheque out this chart to see exactly what the ratings mean: MERV Rating Chart and see below for more details on selecting the right filter for y'all.

What Are The Best Furnace Filters?

What'due south the all-time furnace filter? Well, that all depends on how much you want to spend and what yous're trying to filter.

You need to be aware of the MERV calibration (explained in a higher place). A furnace filter with a high rating can slow airflow too much, but a low-efficiency filter won't filter grit very well. When selecting the filter, information technology's important to strike the correct balance and ALWAYS consult your furnace transmission to see the manufacturer'due south specifications.

For most homeowners, a MERV 7 or 8 pleated filter provides a good rest between price and filtration efficiency. These filters trap 80 to 95 percent of the particles 5 microns and larger—more than than enough for most homes. Nevertheless, if yous have family members with allergies or an impaired an allowed arrangement, yous may want to invest in a MERV 11 or higher filter. But be warned, you lot must modify these filters regularly to protect your furnace.

How Do I Know If My Furnace Filter is Dirty and Needs Replacing?

There are a few different means of checking whether the filter is muddy and needs to be replaced:

Examine your furnace filter carefully for buildup of dirt, dust and other contaminants. A large buildup can be a sign that it's time to supercede your filter.
Listen to the sound of air moving through your furnace. If you remove the filter and at that place is a meaning release of air force per unit area, this means the buildup of dust and dirt has reduced the effectiveness of the filter. Information technology should be replaced.
Keep an heart on the corporeality of dust and dirt building up in your home over a set period. If you notice an increase in the amount of dust and dirt on furniture and other household items, it may be fourth dimension to modify the filter.
The easiest and most reliable way of telling whether your filter is muddy and needs to be replaced is installing a filter monitoring arrangement like FilterScan Wifi. This provides automatic monitoring of your filter organisation and alerts you when information technology's fourth dimension for a replacement. Using FilterScan Wifi means you won't ever miss changing the filter when it's necessary to avert damage or low air quality, nor will you waste material money on irresolute a filter that is withal working effectively.