Can I Use a 4 Inch Filter Instead of 5
- VietTran [OP]
- Sr. Fellow member
- Mar 28, 2009
- 643 posts
- 267 upvotes
- Ottawa
Need help choosing furnace air filters - 4 or 5 inch?
I installed a new electrical furnace final wintertime and in the process they installed a new HRV and high-efficiency filter housing.
The filter it came with was a 5-inch "merv eleven" filter which lasted virtually v months. I replaced it with a 1-inch filter since I was in a compression. I demand to replace it now, and not sure what size I tin can use.
These are the 1 inch ones I got, but was told I should stick with a higher "merv" http://www.canadiantire.ca/en/pdp/filtr ... _Eq7xYgtPV
I got a coupon for i of these 4-inch filters: http://directairfilter.com/collections/ ... ir-filters
So do I just order those 4inch filter or pay double for their 5" filters to stick with what my system came with. Also, did I practice any harm past using the 1-inch filters above for nearly 2.v months?
Thanks in advance!
- #2
- oneseasonleft
- Sr. Fellow member
- Oct 17, 2013
- 583 posts
- 36 upvotes
I would suggest getting the biggest that would fit in their then v" inches. Getting smaller would mean less filter material and faster cease life.
- #iii
- fdl
- Bargain Fanatic
- Dec 5, 2009
- 5736 posts
- 3563 upvotes
If your organisation was designed for 5 inch and then stick with the 5 inches.
I'thousand using 5 inches myself. Difficult to detect but I order v at a time online.
They are expensive but last very long.
- #4
- ChzPlz
- Sr. Member
- May 14, 2007
- 651 posts
- 104 upvotes
- Ottawa
Anything other than the right size is pointless. Buy the right one.
- #five
- oneseasonleft
- Sr. Member
- Oct 17, 2013
- 583 posts
- 36 upvotes
ChzPlz wrote: ↑Annihilation other than the correct size is pointless. Buy the correct one.
the bespeak is trying to save 50% off the filter
- #6
- VietTran [OP]
- Sr. Member
- Mar 28, 2009
- 643 posts
- 267 upvotes
- Ottawa
Thanks for the help guys! Seems I should go the verbal size.
- #vii
- fdl
- Bargain Fanatic
- December 5, 2009
- 5736 posts
- 3563 upvotes
Only exist conscientious when buying the 5 inch filters as the actual size varies. Measure out the exact dimensions you demand and check.
- #8
- expertHVAC
- Newbie
-
- Aug 16, 2014
- 51 posts
- seven upvotes
- Whitby, ON
4" or 5" doesn't matter. But the filter top and width should exist fitting the housing exactly. Otherwise it will bypass air menses. Manifestly 4" volition take a shorter lifespan and then 5"
- #9
- Alexhouse
- Jr. Member
- Apr 3, 2011
- 156 posts
- 21 upvotes
- Toronto
You tin buy you lot filters from furnacefilters.ca the ship out via canada post. And they accept the best price on the large filter sizes.
Source: https://forums.redflagdeals.com/need-help-choosing-furnace-air-filters-4-5-inch-1534475/
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