high-performance permanent HVAC filter

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RustyShackleford
Posts: 1326
Joined: Thu Sep 13, 2007 12:32 pm
Location: NC

high-performance permanent HVAC filter

Post by RustyShackleford » Sun Jul 25, 2010 9:46 pm

Years ago, I bought a relatively inexpensive (maybe $20)
re-usable (washable, permanent) HVAC filter at Lowe's or
Home Depot.

At the time, I worried if the flow resistance was as good as
a cheap disposable type and if it was hurting the efficiency
of my system, but good info was hard to come by, so I
just didn't worry, and kept hosing the thing down good
every month or so.

But I think it's time to get serious about this. Anyone
know anything about good "permanent" filters with nice
low flow resistance ?

livesoft
Posts: 63013
Joined: Thu Mar 01, 2007 8:00 pm

Post by livesoft » Sun Jul 25, 2010 10:28 pm

I bought BoAir filters many years ago since we have an unusual size that was hard-to-find and cost $4 per disposable filter. The BoAir filters though expensive have certainly saved us money.

Our energy bills have not changed in 3 years, so I think they are just fine.

sport
Posts: 7517
Joined: Tue Feb 27, 2007 3:26 pm
Location: Cleveland, OH

Re: high-performance permanent HVAC filter

Post by sport » Mon Jul 26, 2010 12:18 am

RustyShackleford wrote:But I think it's time to get serious about this. Anyone know anything about good "permanent" filters with nice
low flow resistance ?
An electronic air filter will have almost zero flow resistance. However, they are expensive and it is a big job to install one. Nevertheless, they have low flow resistance and do a great job of cleaning the air. If you are really serious, and if money is no object, this is the best.

Jeff

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