> Freon-operated (better-known as Direct-eXpansion) coils do not operate cold
> enough to freeze the water that condenses on the coil. They usually
> cool the
> air to 68 degrees F; just the same as the Arkla-Servel units.
That's exactly right, although some older units did blow colder air (at the
expense of efficiency).
> My connection
> to this--45 years as an estimator in the Air Conditioning industry, including
> 8 years in Dallas, serving northeastern and central Texas.
I quit my job in HVAC many years ago ... but Scotty's right anyway. One of my
former duties included keeping a walk-in refrigerator going ... trying to keep a
unit happy blowing 40F air is a major PITA.
Randall
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