Forum: Appliances & Gadgets
05-27-22, 04:09 AM
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Replies: 5
Views: 328
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Forum: Solar Heating
05-05-22, 04:20 AM
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Replies: 10
Views: 4,312
Sorry, I haven't updated anyone on the solar...
Sorry, I haven't updated anyone on the solar thermal rig. Since the end of the Rona restrictions, I have been buried in real money paying work. Nonstop people trying to throw money at me to catch up...
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Forum: Geothermal & Heat Pumps
04-13-22, 08:26 AM
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Replies: 11
Views: 1,336
While an air compressor heater and a pressure...
While an air compressor heater and a pressure drop "vortex" cooler could be construed as a heat pump with some creative marketing and/or play on words, the system is not really considered a...
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Forum: Lawn and Garden
04-12-22, 07:43 AM
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Replies: 3
Views: 843
For places you want things to grow in again, a...
For places you want things to grow in again, a gallon of cooking/canning vinegar plus a tablespoon of soap (dish soap, laundry soap) does the "kill once" thing okay. Using concentrated vinegar works...
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Forum: Geothermal & Heat Pumps
03-19-22, 05:49 PM
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Replies: 11
Views: 1,336
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Forum: Biofuels
03-10-22, 03:13 PM
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Replies: 8
Views: 6,134
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Forum: Appliances & Gadgets
02-28-22, 07:51 AM
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Replies: 10
Views: 4,696
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Forum: Geothermal & Heat Pumps
02-28-22, 07:30 AM
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Replies: 5
Views: 661
Yup, for that application I would use a swamp...
Yup, for that application I would use a swamp cooler to supply air and tightly regulate the water loop temperature. Run the swamp cooler and water pump constantly and use the supply air temperature...
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Forum: Geothermal & Heat Pumps
02-28-22, 07:21 AM
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Replies: 3
Views: 702
Mike,
Not that difficult to get up into that...
Mike,
Not that difficult to get up into that temperature range, just depends on what pressures you and your condenser are comfortable with. Having been designed to operate at automotive radiator...
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Forum: Geothermal & Heat Pumps
02-21-22, 07:47 PM
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Replies: 3
Views: 702
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Forum: Geothermal & Heat Pumps
02-10-22, 03:01 PM
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Replies: 16
Views: 3,648
Been busy lately with life and such...
Good...
Been busy lately with life and such...
Good job, man! Haven't had time to read your pdf yet. Couple of answers to your questions, though.
Yes, the whooshing noise is normal for a cap tube...
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Forum: Geothermal & Heat Pumps
02-10-22, 02:22 PM
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Replies: 2
Views: 805
I'm confused. A couple of questions:
What...
I'm confused. A couple of questions:
What does that pv/t heat pump use for heat transfer outdoors? Directly plumbed refrigerant lines? Water or glycol?
Are you planning to DIY or buy some...
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Forum: Geothermal & Heat Pumps
12-16-21, 06:51 AM
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Replies: 5
Views: 1,273
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Forum: Geothermal & Heat Pumps
12-16-21, 06:44 AM
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Replies: 8
Views: 1,086
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Forum: Geothermal & Heat Pumps
10-23-21, 05:20 PM
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Replies: 20
Views: 9,728
Your mini split unit has a variable speed...
Your mini split unit has a variable speed compressor. That's the wrench in the works as far as a simple control circuit. Don't know about the refrigerant metering, it could have an electronic...
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Forum: Solar Power
09-14-21, 11:28 PM
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Replies: 4
Views: 1,704
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Forum: Solar Power
09-14-21, 07:43 PM
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Replies: 4
Views: 1,704
Welcome to the forums!
I put Jose Pedro...
Welcome to the forums!
I put Jose Pedro varela into the solar irradiance calculator and it said:
42 degrees optimum winter angle
57 degrees best overall angle
72 degrees optimum summer angle...
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Forum: Geothermal & Heat Pumps
09-13-21, 04:21 AM
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Replies: 4
Views: 1,587
I called mine the howler. It was a ching Chong...
I called mine the howler. It was a ching Chong brand, Royal something. 12kbtu capacity. I saved a few hundred dollars a couple of winters in a row using it to heat a two story saltbox I was renting....
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Forum: EcoRenovator Blog Discussion
08-17-21, 11:05 AM
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Replies: 13
Views: 6,365
Although the rooftop solar rigs are very "eco"...
Although the rooftop solar rigs are very "eco" and a huge win for homeowners pretty much all the way around, they share the same avoidance factor as nuclear power plants. There's a not insignificant...
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Forum: Solar Heating
08-08-21, 03:56 PM
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Replies: 10
Views: 4,312
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Forum: Solar Heating
08-08-21, 03:45 PM
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Replies: 10
Views: 4,312
Finally got a weekend off and threw the little...
Finally got a weekend off and threw the little collector together. I did a worksheet on the solar electricity handbook dot com website for solar irradiance and it said 52 degrees back from vertical...
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Forum: Geothermal & Heat Pumps
08-05-21, 05:46 PM
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Replies: 16
Views: 3,648
Just got a free minute to check the forums....
Just got a free minute to check the forums. Life's been hectic for the last few months and all the side project stuff got put on hold.
It looks as if you are overestimating your compressor mass...
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Forum: EcoRenovator Blog Discussion
07-31-21, 09:14 AM
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Replies: 13
Views: 6,365
Just took another look at this thread, and I'm...
Just took another look at this thread, and I'm sort of surprised there aren't more responses.
The thing that most sours my outlook on wind and solar sources is the natural gas backup that comes...
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Forum: Geothermal & Heat Pumps
07-30-21, 11:00 AM
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Replies: 5
Views: 1,619
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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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