Forum: Geothermal & Heat Pumps
03-11-16, 06:07 PM
|
Replies: 1,943
Views: 4,700,345
Graphs and images are worthwhile but sometimes...
Graphs and images are worthwhile but sometimes get lost, including some from the earliest pages of this manifesto and my "Don't Waste That Heat" thread. Text doesn't get deleted. I'm not a genius at...
|
Forum: Geothermal & Heat Pumps
03-05-16, 10:04 AM
|
Replies: 1,943
Views: 4,700,345
Don, an 11kbtu R22 compressor will put out less...
Don, an 11kbtu R22 compressor will put out less and be less efficient at low source temps, high lift or both-Be careful running against minimum pressures or high pressure ratios. It will put out more...
|
Forum: Geothermal & Heat Pumps
03-05-16, 09:54 AM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
03-03-16, 08:50 AM
|
Replies: 1,943
Views: 4,700,345
I thought those topics (what refrigerant to put...
I thought those topics (what refrigerant to put in their hacked unit and why, safety issues, understanding equipment reliability limits hackers might be bumping against without realizing it, how to...
|
Forum: Geothermal & Heat Pumps
03-02-16, 11:28 PM
|
Replies: 1,943
Views: 4,700,345
I've been doing research to understand the...
I've been doing research to understand the potential risk of flammable refrigerants for our heat pumps, such as R290 we've discussed here. The automotive industry is phasing in R1234yf which is...
|
Forum: Geothermal & Heat Pumps
03-02-16, 04:25 PM
|
Replies: 1,943
Views: 4,700,345
I'm posting here because this thread is more...
I'm posting here because this thread is more relevant concerning getting higher temps from a GSHP efficiently and Mike's comments HERE:
(http://ecorenovator.org/forum/49311-post542.html)
I...
|
Forum: Geothermal & Heat Pumps
02-29-16, 02:10 PM
|
Replies: 1,943
Views: 4,700,345
Sorry AC,
We have all discussed numerous...
Sorry AC,
We have all discussed numerous refrigerants and heat exchange/storage methods in great depth in this thread. I thought a one-liner on thinking outside the box in this area might have...
|
Forum: Geothermal & Heat Pumps
02-26-16, 05:29 PM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
02-24-16, 04:51 PM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
06-07-13, 09:23 AM
|
Replies: 1,943
Views: 4,700,345
I have tested size 1212 12vdc BLDC computer...
I have tested size 1212 12vdc BLDC computer server blowers (around $10 ea), which can produce 1.35" of water column pressure. They move 15CFM at 0.93" while taking 6 watts, and pull 9 watts wide open...
|
Forum: Geothermal & Heat Pumps
06-07-13, 09:01 AM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
06-06-13, 07:48 AM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
06-05-13, 09:00 PM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
06-05-13, 05:37 PM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
06-05-13, 02:10 PM
|
Replies: 1,943
Views: 4,700,345
I also found some interesting references to the...
I also found some interesting references to the human safety and maximum Coefficient of Performances (COP) of some refrigerants, apparently the Carnot efficiency limits for a single stage:
CO2-COP...
|
Forum: Geothermal & Heat Pumps
06-05-13, 01:40 PM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
06-05-13, 12:08 PM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
10-29-12, 11:29 AM
|
Replies: 1,943
Views: 4,700,345
By the way, I bought my A/C components from...
By the way, I bought my A/C components from Surplus City Liquidators. If you buy an air handler and outdoor unit, they will give 10% off their already low prices on everything on that order-ductwork,...
|
Forum: Geothermal & Heat Pumps
10-29-12, 11:20 AM
|
Replies: 1,943
Views: 4,700,345
"1.75 tons." Originally equipped with 2.5 ton...
"1.75 tons." Originally equipped with 2.5 ton downstairs and 2 ton upstairs units. We have the downstairs unit disabled for basement renovations/relocating and operated our 5BR/3.5BA house solely...
|
Forum: Geothermal & Heat Pumps
10-24-12, 07:19 AM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
07-18-12, 05:38 PM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
07-18-12, 04:39 PM
|
Replies: 1,943
Views: 4,700,345
Napathenic mineral oil can be used with...
Napathenic mineral oil can be used with CFC's(like R12) , HCFC's (like R-22), hydrocarbons (like R290) and ammonia-this is what most old school systems came with.
POE (Polyol ester) oil can be...
|
Forum: Geothermal & Heat Pumps
07-18-12, 10:18 AM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
06-01-12, 12:39 PM
|
Replies: 1,943
Views: 4,700,345
|
Forum: Geothermal & Heat Pumps
05-18-12, 09:55 AM
|
Replies: 1,943
Views: 4,700,345
|