[Greenbuilding] One more question on AC

Alan Abrams alan at abramsdesignbuild.com
Tue Jul 9 16:12:19 MDT 2013

John--valid point--but hopefully the multistage compressor and variable
speed fan will know when to throttle down.  It seems to work that way with
the Carrier products--we've put a number of their two ton (smallest size)
units in where lower loads were calculated.  In fact, earlier this week I
was in a house we just completed--it was a beastly DC summer day--and the
temp on the T-Stat never waivered a single degree--all the while the fan
was switching back and forth from high to low...


On Tue, Jul 9, 2013 at 5:45 PM, John Salmen <terrain at shaw.ca> wrote:

> Used to have a concern with oversized pumps cycling inefficiently. Don’t
> know if that is still a concern with ‘newer’ tech****
> ** **
> *From:* Greenbuilding [mailto:
> greenbuilding-bounces at lists.bioenergylists.org] *On Behalf Of *Alan Abrams
> *Sent:* July-09-13 2:32 PM
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