Forum: Geothermal & Heat Pumps
04-04-15, 07:32 AM
|
Replies: 148
Views: 160,048
Let me take a moment to reflect on that...
Let me take a moment to reflect on that statement.
During one of the worst and coldest winters in the last 50 years, your homemade 5 ton heat pump put out 4 tons of heat transfer at -22 degrees...
|
Forum: Geothermal & Heat Pumps
01-12-15, 03:47 PM
|
Replies: 148
Views: 160,048
|
Forum: Geothermal & Heat Pumps
01-09-15, 03:00 PM
|
Replies: 148
Views: 160,048
|
Forum: Geothermal & Heat Pumps
11-22-14, 12:06 PM
|
Replies: 148
Views: 160,048
|
Forum: Geothermal & Heat Pumps
05-14-14, 06:25 PM
|
Replies: 148
Views: 160,048
Sorry to say, but this is a common problem...
Sorry to say, but this is a common problem nowadays. The NIMBY ppl had most of the steel foundries in America shut down, so now most iron pipe and fittings come from China. Even the fittings that are...
|
Forum: Geothermal & Heat Pumps
04-30-14, 06:31 PM
|
Replies: 148
Views: 160,048
You could run both coils in tandem off of your...
You could run both coils in tandem off of your well pump. Then both the heat pump and the pre-cool exchangers would see the same source temperature. Some fiddling might be needed to balance the...
|
Forum: Geothermal & Heat Pumps
04-14-14, 06:07 PM
|
Replies: 148
Views: 160,048
Here's an idea: you could pre-cool the air as...
Here's an idea: you could pre-cool the air as before, using the 12 degC loop water before it went into your condenser hx. This would extract lots of moisture at uber-high COP. Directly downwind, the...
|
Forum: Geothermal & Heat Pumps
02-16-13, 06:08 PM
|
Replies: 148
Views: 160,048
Randen,
Man, I just can't get over that...
Randen,
Man, I just can't get over that expansion valve mod! It just looks cool... like the red button on the car the men in black drive. In an industrial setting, it would have a big yellow tag...
|
Forum: Geothermal & Heat Pumps
02-14-13, 05:59 PM
|
Replies: 148
Views: 160,048
The moisture exploited in condensing boilers...
The moisture exploited in condensing boilers comes from combustion. Burning propane = 3 CO2 + 4 H2O. Unless the propane is contaminated, it contains 25 ppm or less of moisture. More than this amount...
|
Forum: Geothermal & Heat Pumps
02-10-13, 02:18 PM
|
Replies: 148
Views: 160,048
A little clarification on pipe insulation:
...
A little clarification on pipe insulation:
The less expensive type sold at the big-box stores (frost king O/E) is polyethylene plastic foam. This stuff is ok for insulating water pipes. At higher...
|