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Search: Posts Made By: jeff5may
Forum: Energy Storage 10-02-22, 10:07 PM
Replies: 27
Views: 21,860
Posted By jeff5may
Try putting a heat loop on your return line. If...

Try putting a heat loop on your return line. If it works, it works.
Forum: Appliances & Gadgets 05-27-22, 05:09 AM
Replies: 5
Views: 915
Posted By jeff5may
Sounds like a job for a water farm column to me....

Sounds like a job for a water farm column to me. Works like magic.
Forum: Solar Heating 05-05-22, 05:20 AM
Replies: 10
Views: 5,510
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 04-13-22, 09:26 AM
Replies: 11
Views: 2,959
Posted By jeff5may
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...
Forum: Lawn and Garden 04-12-22, 08:43 AM
Replies: 3
Views: 1,316
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 03-19-22, 06:49 PM
Replies: 11
Views: 2,959
Posted By jeff5may
The puzzle piece that's missing here is the phase...

The puzzle piece that's missing here is the phase change. This is how a heat pump "cheats the system". Read the "heat pumps for dummies" post, it's super easy to understand and comprehend.

The...
Forum: Biofuels 03-10-22, 04:13 PM
Replies: 8
Views: 6,999
Posted By jeff5may
Uhmm anything above about 50 percent will burn.

Uhmm anything above about 50 percent will burn.
Forum: Appliances & Gadgets 02-28-22, 08:51 AM
Replies: 10
Views: 5,541
Posted By jeff5may
Out of the previous recommended methods/devices,...

Out of the previous recommended methods/devices, for the ecorenovator type folks, I'm gonna go with Mike and second the mighty mite TS100. It's plug and play with temperature regulating controls...
Forum: Geothermal & Heat Pumps 02-28-22, 08:30 AM
Replies: 5
Views: 1,204
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 02-28-22, 08:21 AM
Replies: 3
Views: 1,207
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 02-21-22, 08:47 PM
Replies: 3
Views: 1,207
Posted By jeff5may
You don't need a cascade setup to make domestic...

You don't need a cascade setup to make domestic hot water. Easy to get there with either R134 or R22 single stage. Check around in here for heat pump water heater build threads.

The only thing...
Forum: Geothermal & Heat Pumps 02-10-22, 04:01 PM
Replies: 16
Views: 4,824
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 02-10-22, 03:22 PM
Replies: 2
Views: 1,309
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 12-16-21, 07:51 AM
Replies: 5
Views: 1,893
Posted By jeff5may
Welcome to the forums! Been busy with life this...

Welcome to the forums! Been busy with life this holiday season. I saw your other post, sounds like it will run off a VFD just fine.

For more information, post up the donor unit model number and...
Forum: Geothermal & Heat Pumps 12-16-21, 07:44 AM
Replies: 8
Views: 1,394
Posted By jeff5may
I'd just leave the txv superheat alone. You don't...

I'd just leave the txv superheat alone. You don't want to feed your compressor foaming fizz. With less than about 6 or 8 degrees superheat, that's what will happen unless you have a suction line...
Forum: Geothermal & Heat Pumps 10-23-21, 06:20 PM
Replies: 20
Views: 10,859
Posted By jeff5may
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...
Forum: Solar Power 09-15-21, 12:28 AM
Replies: 4
Views: 2,296
Posted By jeff5may
The reference angle is "lean back from vertical"...

The reference angle is "lean back from vertical" where zero points the panel at the horizon. An increasing angle points the face of the panel higher in the sky. If you look around in the mentioned...
Forum: Solar Power 09-14-21, 08:43 PM
Replies: 4
Views: 2,296
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 09-13-21, 05:21 AM
Replies: 4
Views: 1,942
Posted By jeff5may
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....
Forum: EcoRenovator Blog Discussion 08-17-21, 12:05 PM
Replies: 13
Views: 7,521
Posted By jeff5may
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...
Forum: Solar Heating 08-08-21, 04:56 PM
Replies: 10
Views: 5,510
Posted By jeff5may
The garage and the basement workbench are both...

The garage and the basement workbench are both wrecks from hiding everything in sight. This is the month that every distant relative from around the universe decided to come visit. All of the...
Forum: Solar Heating 08-08-21, 04:45 PM
Replies: 10
Views: 5,510
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 08-05-21, 06:46 PM
Replies: 16
Views: 4,824
Posted By jeff5may
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...
Forum: EcoRenovator Blog Discussion 07-31-21, 10:14 AM
Replies: 13
Views: 7,521
Posted By jeff5may
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...
Forum: Geothermal & Heat Pumps 07-30-21, 12:00 PM
Replies: 5
Views: 1,924
Posted By jeff5may
Short term, quickie cheap: 220 window AC unit off...

Short term, quickie cheap: 220 window AC unit off marketplace or craigslist

Longer term, not too much: natural gas forced air garage heater plus mentioned window unit

Long term, somewhat not...
Showing results 1 to 25 of 500

 
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