TELECOM Digest OnLine - Sorted: Re: Pre A/C Central Office Ventilation?

Re: Pre A/C Central Office Ventilation?

mc (
Thu, 13 Jul 2006 21:22:35 -0400

> older buildings had high ceilings and cross ventilation by design, plus
> awnings over windows to help. That might help the temperature, but
> high humidity?

I went to high school in such a building in Valdosta, Georgia. It
really isn't too bad. High ceilings and cross ventilation help a
*lot*, and due to thermal inertia, the day and night temperatures get
averaged, and the daytime temperature indoors is a good bit cooler
than outdoors in the middle of the day.

What's *bad* is "modern" (1960s) schools and other "modern" buildings
that were built without air conditioning. Somehow the architects just
forgot that they were building a kind of architecture that only worked
with air conditioning. The worst was a dormitory I lived in at Yale
(Helen Hadley Hall) whose central HVAC system was deleted from the
plans at the last minute. The place was hot for half of the year and
smelled bad all the time.

> Again, I don't know how the many office workers in Washington DC
> during WW II survived; only a few buildings at that time had a/c.

To this day the Executive Office Building has only window units -- I
noticed while walking by it recently.

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