Forum: Geothermal & Heat Pumps
02-19-13, 08:06 PM
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Replies: 1,943
Views: 3,678,067
AC here is my reply for you and others....:
...
AC here is my reply for you and others....:
Sorry about ignorance... Got super busy and have no time for my project. I used city water (I know bad bad boy.....) for cooling my HP in summer time....
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Forum: Geothermal & Heat Pumps
09-01-12, 08:53 PM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
08-22-12, 12:44 AM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
08-18-12, 05:19 PM
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Replies: 1,943
Views: 3,678,067
I was thinking about it but I don't see myself...
I was thinking about it but I don't see myself paying 600-700$ for ventilator and core. Pay off will be like 20 years. I have vent room which is 9x9 small room located on 3 floor. All my ducts go...
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Forum: Geothermal & Heat Pumps
08-06-12, 05:06 PM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
08-06-12, 05:00 PM
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Replies: 1,943
Views: 3,678,067
Do you know your gauges?
Very useful pdf about refrigeration gauges. A must read material for DIY and I bet many "professionals" have no idea how to connect and disconnect gauges with minimal refrigerant loss and without...
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Forum: Geothermal & Heat Pumps
08-06-12, 04:30 PM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
08-06-12, 04:15 AM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
08-01-12, 02:50 AM
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Replies: 1,943
Views: 3,678,067
2 Stage Cooling Heating
I installed 1 ton unit in 3000 sq ft section of my house primarily for heating fresh air in spring-fall season. This unit is running now in AC mode on city water (temporary). It is big enough to keep...
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Forum: Geothermal & Heat Pumps
07-31-12, 01:02 AM
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Replies: 1,943
Views: 3,678,067
Very Cool PT chart
I was looking for my old electronic PT chart but couldn't find it.
Tried many online PT charts but they mostly for regular refrigerants.
I was looking for R290 (propane).
Finally I was...
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Forum: Geothermal & Heat Pumps
07-21-12, 06:11 PM
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Replies: 1,943
Views: 3,678,067
Here is some info about my water to air HP/AC...
Here is some info about my water to air HP/AC unit:
I got this unit for free with dead compressor (it was 265V anyways...).
Originally unit was installed in office building with water loop...
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Forum: Geothermal & Heat Pumps
06-28-12, 05:49 PM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
06-23-12, 01:56 PM
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Replies: 1,943
Views: 3,678,067
My guess about R410a was right.
R290 or...
My guess about R410a was right.
R290 or just propane is very close to R22 but really different from R410a. AC or HP is a system and not just system but closed balanced system. Every component...
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Forum: Geothermal & Heat Pumps
06-23-12, 02:25 AM
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Replies: 1,943
Views: 3,678,067
Theprof,
I guess Klimaire is a mini split AC...
Theprof,
I guess Klimaire is a mini split AC unit that uses R410a. If it is I think propane is not the best option.
1. Capacity will change. From 12k BTU you will get only 9k or 10k who knows?...
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Forum: Geothermal & Heat Pumps
06-19-12, 02:45 AM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
04-18-12, 11:59 AM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
03-29-12, 12:40 PM
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Replies: 1,943
Views: 3,678,067
"Am I doing this for comfort living or just...
"Am I doing this for comfort living or just record high COP (which means nothing sometimes)"
I do understand and agree that for most of us building an efficient source of heating or cooling is not...
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Forum: Geothermal & Heat Pumps
03-28-12, 09:53 AM
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Replies: 1,943
Views: 3,678,067
Randen,
HP/AC systems are SYSTEMS and...
Randen,
HP/AC systems are SYSTEMS and require planning when designed. The issue with loop exposed outside is fixable, just insulate it properly. Freezing is an issue but also you don't want to...
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Forum: Geothermal & Heat Pumps
03-26-12, 10:51 AM
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Replies: 1,943
Views: 3,678,067
Safe antifreeze
I would go with propylene glycol because it is food safe antifreeze. If leak happens you don't want disaster in your house or even outside. You never know what can leak and where. Also make sure you...
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Forum: Geothermal & Heat Pumps
03-26-12, 03:27 AM
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Replies: 1,943
Views: 3,678,067
randen,
When your unit runs in AC mode and...
randen,
When your unit runs in AC mode and evaporator freezes up it means you shifted suction pressure/temperature into too low range. The easiest and right way to bring it back is to increase...
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Forum: Geothermal & Heat Pumps
03-24-12, 12:29 AM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
03-23-12, 10:15 AM
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Replies: 1,943
Views: 3,678,067
This is the trap many DIY get into (including...
This is the trap many DIY get into (including myself). The point is you have to set your goals and follow them. It is like going shopping for 2000$ car and ending up with car mortgage. You have to be...
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Forum: Geothermal & Heat Pumps
03-15-12, 12:20 AM
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Replies: 1,943
Views: 3,678,067
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Forum: Geothermal & Heat Pumps
03-15-12, 12:15 AM
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Replies: 1,943
Views: 3,678,067
It only costs about 1000 $$. If I could find...
It only costs about 1000 $$. If I could find used one for 200-300$$. There are other ones using the same idea(They used for concrete Mudjacking). But they all in 1000$$ range. I want to keep price...
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Forum: Geothermal & Heat Pumps
03-14-12, 12:54 PM
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Replies: 1,943
Views: 3,678,067
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