My forced air (gas) home furnace has a hammock-style air filter.
I use these fiberglass Trim-To-Fit filters made by a company called Duststop.
Their instructions say to place the "tinted" side facing the air exit.
But, I'm not sure which side is the "tinted" side.
One side is loosely knitted and is a blue color.
The other side is more tightly knitted and it is white.
There are some definitions of "tint" that say it involves adding some
white to a darker color.
There are some definitions of "tint" that say it involves being slightly
colored as opposed to not colored.
So which side, the white (tight knit) or the blue (loose knit) should
face the air exit in order to trap the most dust?
Thanks. That's the way I have it now and I seem to be sneezing less than
before when I had it the other way.
I actually had a guy, an "expert", from Direct Energy, here in Toronto,
clean the furnace last month and he told me to put it in the other way.
The house has been dusty and I've been weezing ever since.
You took the filter out, turned it around, and stuck it back
in, and you're wondering why it's suddenly dusty?
How about because all the crap that you collected on the
(previously outside) side of the filter is now being blasted
off the (now inside) side of the filter, and distributed throughout
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