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Are these pieces of equipment installed in cabinents? They could use vortex tubes, which run off compressed air.Then you would only be cooling the cabinents themselves.

Depending on the duct size, you could measure at the outlet of duct with an air flow hood (balometer?) Or use an anenometer at the outlet If this is the only duct off a heater, use temp rise calculation to get airflow.

I read a paper over the web one time- Fisk paper on iaq, something along that line. It showed the economic benefits of how improved iaq affected the performance of office personnel

I have to agree with you on the barrirs,I've been reading several books on the subject and had to go reread some. In the Moisture Control Handbook there are actually wall assemblies with the vapor barrier on the inside or the outside, depending on the construction materials. It seems most of the...

The ashrae manuals can provide plenty of info, specificly Fundamentals www.hvac-talk.com - you'll get an earful if you come off too arrogant, but you wouldn't be here if you were

Wow!, thats the first time I heard an engineer take credit for a mistake. My experience is to see a set of plans with hvac, firemain, electrical,etc. installed in the same space without any coordination. They all occupy the same space simutaneously, which can't happen in the real world.So you...

Interlock a gas flow sensor in the gas supply line to the exhaust fans.

I found "Builder's Guide to Mixed Climates" to be very informative. The deep South is called a hot,humid climate, as opposed to the cold climate of Wisconsin. Down there,the vapor barrier is installed on the OUTSIDE of insulation envelope, as opposed to the interior. Of course, insulation helps...