Which Way Does Furnace Filter Go

Furnace Filters. It'south easy to forget most them quietly working away, keeping your furnace clog free and air quality clean.

Yeah, easy to forget about and and so, suddenly information technology's fourth dimension to alter them and, oh dear… And then. Many. Questions.

Yep, at CleanAlert we often go asked about Furnace Filters, and if yous ask us, the only stupid question is the 1 that goes unasked. So, we thought nosotros put all your questions (and answers you can trust) in one easy to notice place. Now you never demand worry near the furnace filter direction once more. You're welcome!

Which Mode Does Furnace Air Menses?

Forced air furnaces recirculate air through a home: pushing air (absurd 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'south The Right Furnace Filter Direction?

If you are looking at a furnace filter, discover the pointer that indicates the proper air flow management. That arrow must always face toward the furnace and away from the return duct that carries the air in need of heating or cooling.

How Do I Install A Furnace Filter?

This is pretty like shooting fish in a barrel one time you've found the pointer mentioned above and inserted information technology with the pointer facing towards the furnace and away from the return duct. Need more assist? 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 twenty. The United States Environmental Protection Bureau recommends air furnace filters with a MERV between seven and 13 for most homes. Check out this chart to see exactly what the ratings mean: MERV Rating Chart and run into below for more details on selecting the correct filter for you.

What Are The Best Furnace Filters?

What's the best furnace filter? Well, that all depends on how much you want to spend and what you're trying to filter.

You need to be aware of the MERV scale (explained in a higher place). A furnace filter with a high rating tin can ho-hum airflow too much, just a low-efficiency filter won't filter dust very well. When selecting the filter, it'due south of import to strike the right residue and ALWAYS consult your furnace manual to see the manufacturer's specifications.

For most homeowners, a MERV 7 or 8 pleated filter provides a good balance betwixt cost and filtration efficiency. These filters trap fourscore to 95 pct of the particles five microns and larger—more than plenty for most homes. All the same, if you have family unit members with allergies or an dumb an immune organization, y'all may desire to invest in a MERV 11 or higher filter. Merely be warned, you must alter these filters regularly to protect your furnace.

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

At that place are a few different ways of checking whether the filter is dingy 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'southward time to replace your filter.
Mind to the audio of air moving through your furnace. If yous remove the filter and there is a significant release of air pressure, this means the buildup of dust and dirt has reduced the effectiveness of the filter. It should be replaced.
Continue an centre on the amount of dust and dirt building upward in your home over a set catamenia. If y'all notice an increase in the corporeality of dust and dirt on furniture and other household items, it may be fourth dimension to change the filter.
The easiest and near reliable mode of telling whether your filter is dirty and needs to be replaced is installing a filter monitoring system like FilterScan Wifi. This provides automatic monitoring of your filter system and alerts you when it's time for a replacement. Using FilterScan Wifi means you lot won't ever miss changing the filter when it'south necessary to avoid damage or depression air quality, nor will you lot waste coin on irresolute a filter that is withal working finer.