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This 4 ton unit is dedicated to 1200 square foot of area which should be exhausted all day. I am surprised that the ERV fresh and stale air actually co-mingle to transfer VOCs. Teddy Bear, you made...

Thanks Teddy Bear and Flange,
I am trying to exhaust the area. The area is 1200 square feet with a 4 ton unit. The AC company didn't want to take in anymore fresh air because it won't get cool...

It is VOC that is a problem, not CO2, unless the gas meter determines CO2, O2, and VOCs. MY AC guy doesn't own a VOC meter.

VOC problem, are ERV that efficient? I work in Louisiana in a car paint store with VOCs. This forum make it clear to me that phi, and hydroxyl radicals won't cure it, but ventilation will. The...

I posted a similar topic in the commercial section. I own a paint store and I am trying to get rid of VOC's. I came to the conclusion that the best way to get rid of VOC's is to exaust them at the...

I can eliminate the source by making baffled ventilation hoods at each paint mixing scale, which will help a little, possibly a lot. An ERV might help a little recoup losing some cold air too. Anyone...

Thanks. I have 3 air handlers in this building. Regular offices have the other two. I can give the manager his personal air handler unit but negative pressure makes sense.

Yes, each room has a door. There are 3 rooms on this air handler unit. 2 paint mixing rooms and a managers office. There is one 20"x20" air filter in each room. The manager will end up getting some...

How much air should I pull out? the AC company did install a noisy vent exhaust similar to a commercial bathroom and it is supposed to be replaced with fresh air, but this exhaust looks like it is...

I own a paint store and I have some problems with paint fumes. What is the best solution? I brought a flier for an induct carbon air scrubber with 160 lbs of carbon from electrocorp called a 6500....