Forum: Renovations & New Construction
01-26-16, 03:20 PM
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Replies: 35
Views: 44,189
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Forum: Geothermal & Heat Pumps
10-16-15, 10:47 AM
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Replies: 1
Views: 5,903
Piping Design
I found a information guide by McQuay on Refrigeration Piping Design Guide for their technicians. It is a pdf file.
http://inspectapedia.com/aircond/AC_Guide_McQuay.pdf
Hope this helps,...
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Forum: Geothermal & Heat Pumps
02-10-15, 09:07 AM
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Replies: 7
Views: 7,643
Evaporator length
mejunkhound, how did you size your length of the evaporator per ton?
Thanks, charlesfl
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Forum: Geothermal & Heat Pumps
09-19-14, 08:21 AM
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Replies: 45
Views: 118,828
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Forum: Geothermal & Heat Pumps
09-18-14, 03:18 PM
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Replies: 45
Views: 118,828
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Forum: Geothermal & Heat Pumps
09-18-14, 08:34 AM
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Replies: 45
Views: 118,828
Dumb question.
Given the Carnot cycle limits...
Dumb question.
Given the Carnot cycle limits how is the efficiency achieved with lower temperature difference for gshp?
Is it by lower compressor amperage used, shorter run times or something...
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Forum: Geothermal & Heat Pumps
09-16-13, 11:26 AM
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Replies: 55
Views: 58,818
I found an article by Tom Murphy of his series...
I found an article by Tom Murphy of his series "Do the Math" entitled "100 MPG on Gasoline; Could We Really?"
http://physics.ucsd.edu/do-the-math/2011/07/100-mpg-on-gasoline/
I know that when a...
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Forum: Appliances & Gadgets
09-04-13, 02:31 PM
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Replies: 2
Views: 8,282
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Forum: Geothermal & Heat Pumps
08-12-13, 08:46 AM
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Replies: 28
Views: 26,472
You might want to look at Friedrich. It is an...
You might want to look at Friedrich. It is an American name and might have better support for parts and repairs. A lot of the Chinese units are rebranded china units, maybe manufactured by ...
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Forum: Appliances & Gadgets
05-04-13, 10:47 AM
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Replies: 4
Views: 9,216
stainless-steel interface disk
I was wondering is an induction disk would work with an induction cooktop and then found one for sale at this website.
stainless-steel interface disk
Cook In Your Dorm Room with a Portable...
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Forum: Tools
01-14-13, 01:29 PM
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Replies: 8
Views: 8,526
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Forum: Conservation
01-08-13, 11:01 AM
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Replies: 22
Views: 22,612
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Forum: Geothermal & Heat Pumps
01-07-13, 02:15 PM
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Replies: 64
Views: 36,757
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Forum: Renovations & New Construction
01-05-13, 10:20 AM
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Replies: 12
Views: 12,427
Autoclaved aerated concrete block (AAC)
...
Autoclaved aerated concrete block (AAC)
R-value (US) = RSI × 5.678263337 and RSI (SI) = R-value × 0.1761101838 and R = 1/U
0.25 W/mK = R value US of 5.678 X 1/0.25 = 5.678 X 4 = 22.7 R...
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Forum: Conservation
12-15-12, 11:23 AM
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Replies: 100
Views: 168,431
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Forum: Geothermal & Heat Pumps
12-03-12, 03:51 PM
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Replies: 1,943
Views: 5,531,542
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Forum: Geothermal & Heat Pumps
11-02-12, 12:24 PM
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Replies: 16
Views: 13,838
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Forum: Geothermal & Heat Pumps
10-26-12, 09:03 AM
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Replies: 77
Views: 64,887
Heat Capacity: Water Furnace assumes that in...
Heat Capacity: Water Furnace assumes that in addition to the heat extracted from the source water loop, the electrical energy consumed by the heat pump is also converted into heat and fed into the...
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Forum: Geothermal & Heat Pumps
09-21-12, 03:09 PM
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Replies: 1,943
Views: 5,531,542
Free heat ...
Free heat
http://www.mcquay.com/mcquaybiz/literature/lit_systems/AppGuide/AG_31-011_120407.pdf
This is a site that deals with piping
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Forum: Tools
09-05-12, 08:38 AM
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Replies: 0
Views: 6,166
Free program to calculate heat loss
I found a free computer program that can be run in windows by Lawrence Berkley National Lab called THERM.
It can be use to find heat loss of house through different materials. Can be downloaded from...
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Forum: Geothermal & Heat Pumps
09-04-12, 12:44 PM
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Replies: 1,943
Views: 5,531,542
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Forum: Geothermal & Heat Pumps
07-14-12, 11:09 AM
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Replies: 1,943
Views: 5,531,542
I found a company that does various types of...
I found a company that does various types of drilling that I thought might be of interest.
They have developed a slightly different method of drilling for geothermal heat pump that could be used by...
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Forum: Geothermal & Heat Pumps
06-28-12, 08:05 AM
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Replies: 49
Views: 36,211
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Forum: Geothermal & Heat Pumps
05-03-12, 09:40 AM
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Replies: 49
Views: 36,211
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Forum: Geothermal & Heat Pumps
04-29-12, 11:20 AM
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Replies: 1,943
Views: 5,531,542
correction Question for AC Hacker or anyone...
correction Question for AC Hacker or anyone interested in refrigerants.
Is R22a suitable for use in a home heat pump? The reason I am asking is my understanding is that it is made from propane...
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