Forum: Geothermal & Heat Pumps
02-15-22, 11:03 PM
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Replies: 1
Views: 684
Add vacuum pumps to the list of r290 hazards
Just had a vacuum pump blow up in front of me. I’m guessing it was from r290 bubbles in the oil. Not sure how bad it is because I refuse to look down but there’s a lot of blood and the wife won’t...
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Forum: Geothermal & Heat Pumps
02-15-22, 05:52 PM
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Replies: 8
Views: 1,517
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Forum: Geothermal & Heat Pumps
01-03-22, 10:04 AM
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Replies: 16
Views: 3,643
I've just about finished my ground-source...
I've just about finished my ground-source heatpump project, it's installed and been running well for the last 3 weeks here - it provides all the heating for our house now, and the gas boiler has been...
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Forum: Geothermal & Heat Pumps
11-21-21, 08:00 AM
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Replies: 8
Views: 1,517
4-5 ton Mr. Cool universal with a short life
I wanted to share an experience that I had with my heat pump. It was installed about a month before its life came to an end.
When I came home I noticed that it was cold in the house but the heat...
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Forum: Geothermal & Heat Pumps
09-10-21, 05:57 AM
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Replies: 16
Views: 3,643
I finished the heatpump build, pressure tested...
I finished the heatpump build, pressure tested with CO2, vacuumed it & filled it with propane, then turned on the heatpump for the first time yesterday!
I charged it with the pump on, aiming for...
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Forum: Geothermal & Heat Pumps
07-26-21, 09:12 AM
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Replies: 2
Views: 2,207
It depends on the system. Lots of ifs and...
It depends on the system. Lots of ifs and measurements to verify, like in the picture. The main idea is that there's little to no subcooling in the condenser side of the system when a liquid receiver...
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Forum: Geothermal & Heat Pumps
07-20-21, 07:55 PM
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Replies: 2
Views: 2,207
For a vehicle application with a combustion...
For a vehicle application with a combustion engine, usually the compressor speed isn't controlled by the anything other than whatever the engine speed is and pressure switches turn things on and off...
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Forum: Tools
10-18-20, 11:31 AM
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Replies: 0
Views: 2,623
I subscribed to a YouTube Channel
Since I've not been doing much lately, you might have figured that I had been COVID19ed..
Nope, still kicking and interested in all things 'Mini-Split'..
Saw this video about flares and wanted to...
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Forum: Geothermal & Heat Pumps
05-04-20, 03:50 PM
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Replies: 12
Views: 7,657
For my test rig, I sized a flat plate heat...
For my test rig, I sized a flat plate heat exchanger to the output of the HP and I have a pump with a flow meter so I can get proper readings. I am using the indoor coils electronics but changing the...
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Forum: Tools
04-28-20, 08:01 AM
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Replies: 12
Views: 12,355
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Forum: Tools
03-23-20, 12:22 PM
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Replies: 12
Views: 12,355
Harbor Freight sandblast cabinet heavily modify.
I needed a sandblast cabinet but did not want to spend a bunch of money. I still needed it to work well.
https://ecorenovator.org/forum/attachment.php?attachmentid=8878&stc=1&d=1584984009
I did...
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Forum: Solar Heating
03-05-20, 09:35 AM
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Replies: 23
Views: 23,276
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Forum: Renovations & New Construction
11-03-16, 09:18 AM
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Replies: 161
Views: 81,086
Building your own out of what have you is not...
Building your own out of what have you is not impossible. AC Hacker, Randen, and Aquario all have discussion threads detailing their custom builds. The general principles used in the smaller units...
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Forum: Geothermal & Heat Pumps
01-02-16, 07:34 PM
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Replies: 158
Views: 45,678
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Forum: Geothermal & Heat Pumps
11-28-15, 12:18 PM
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Replies: 158
Views: 45,678
I'm going to relate this situation to cars.
...
I'm going to relate this situation to cars.
How you set up your machine depends on how you want to use it. If you are trying to make a top fuel dragster that will do a super fast quarter mile, it...
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