Quote:
Originally Posted by R4ND0M_AX3
I do comercial controls on HVAC equipment for a living. We run into the occasional swamp cooler. Everything else is Built-up air handler/VAV or package unit/Heat pump (including CRAC units).
Several hundred to one others vs. swampy.
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I defer to you on the details of the large systems. I have only seen pieces and parts in the large buildings I've worked in the bowels of doing wiring, etc.
I do recall a whole lot of water being cooled and pumped around, heat exchangers, air handlers, etc. as I described one post up.
In CA and AZ, there appear to be far more Commercial 2 stage Evap systems, but they appear to only be gaining favor more recently and are just starting to make their way into homes.