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Search: Posts Made By: Piwoslaw
Forum: Geothermal & Heat Pumps 04-05-22, 08:25 PM
Replies: 11
Views: 1,343
Posted By JRMichler
This is correct. To put some numbers on that 100...

This is correct. To put some numbers on that 100 CFM, the Ingersoll Rand RS18i air compressor is rated 113 CFM at 110 PSIG. It has a 25 hp (18.65 kW) motor.

That's 18.65 kW of power to get 1.8...
Forum: Energy Storage 03-10-22, 07:29 PM
Replies: 22
Views: 19,933
Posted By JRMichler
A simple check valve has a metal disk. The...

A simple check valve has a metal disk. The weight of that disk is probably enough to stop convection flow. I suggest just adding a check valve after the pump. I would not use a check valve with a...
Forum: Geothermal & Heat Pumps 01-27-22, 11:13 AM
Replies: 10
Views: 1,872
Posted By YuriyLogvin
Episode 1 - Introduction. In this episode I...

Episode 1 - Introduction.

In this episode I do a quick introduction to the DIY Geothermal Heat Pump project.

https://www.youtube.com/watch?v=FR4eW30ZMKY

Episode 2 - Building geothermal loop....
Forum: Geothermal & Heat Pumps 01-03-22, 10:04 AM
Replies: 16
Views: 3,655
Posted By Robl
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...
Forum: Solar Heating 12-19-21, 04:28 PM
Replies: 5
Views: 1,724
Posted By Sparky!
Project update

Yesterday I picked up my tank. It was brand new old stock. It is 1600 gallons with its length around 10'. It was made to be used horizontally but I will be standing it up on end. There are so many...
Forum: Geothermal & Heat Pumps 09-10-21, 05:57 AM
Replies: 16
Views: 3,655
Posted By Robl
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...
Forum: Conservation 07-26-21, 08:17 AM
Replies: 575
Views: 820,713
Posted By Robl
Continuing describing the system we have, in case...

Continuing describing the system we have, in case it's helpful:
It's a Vent Axia Sentinel Kinetic Plus BH unit, which was the biggest I could fit through the loft hatch. Bigger meaning it runs...
Forum: Other Improvements 01-31-21, 05:10 AM
Replies: 18
Views: 6,352
Posted By IamIan
Ian's Thermal System

I am a turtle (slow progress) .. because I'm a tinkerer who gets more out of the tinkering itself than the functional finished product .. and because I have soo many tikering projects to compete for...
Forum: Geothermal & Heat Pumps 01-03-21, 08:35 AM
Replies: 0
Views: 2,233
Posted By Zwerius
How our energy system performed over 2020

I thought you might like this:


https://i.postimg.cc/PxWWmj8s/sankeymatic-2300x1200-2020-English.png



For all details, you can take a look at my website.
It's in Dutch, but Google...
Forum: Geothermal & Heat Pumps 12-30-20, 01:55 PM
Replies: 3
Views: 2,431
Posted By jeff5may
So with an understanding of the overall heat pump...

So with an understanding of the overall heat pump refrigeration cycle, I will focus on the geothermal/ground source end of the system.

With a ground loop based system, the two main things that...
Forum: Geothermal & Heat Pumps 11-01-20, 02:32 PM
Replies: 7
Views: 3,355
Posted By Acuario
It's all diy - the controller and installation...

It's all diy - the controller and installation anyway. The heatpump itself is a basic compressor/fan/reversing valve unit that I have added my own controller and control software to.

I describe it...
Forum: Solar Power 10-26-20, 05:07 PM
Replies: 2
Views: 2,634
Posted By mk1st
Finally up and running

I rebuilt my old crappy garage and reoriented the new one for full southern exposure. Took a while to get everything up and running because I was doing everything myself (except the final wiring...
Forum: Solar Heating 10-20-20, 08:07 AM
Replies: 128
Views: 66,769
Posted By Daox
Alright, lets fast forward 8 years! I basically...

Alright, lets fast forward 8 years! I basically haven't done anything with this project. So, this is what the solar panel rack looked like earlier this week:
...
Forum: Conservation 07-08-20, 09:15 AM
Replies: 34
Views: 13,932
Posted By Wanna Beco
Does it make SENSE, to monitor your homes energy.

I did it! I finally purchased a Sense energy monitor. Some of you know I just installed a new AC unit. I also had that home efficiency audit. The audit is sponsored by the power company, and it is 99...
Forum: Solar Power 07-03-20, 09:24 AM
Replies: 2
Views: 3,441
Posted By CrankyDoug
Perhaps I am missing something. You have solar...

Perhaps I am missing something. You have solar panels facing in two directions, mounted to a single pole such that a 5mph wind will result in rotational oscillation from vortex shedding. I estimate...
Forum: Geothermal & Heat Pumps 06-30-20, 02:05 AM
Replies: 15
Views: 6,291
Posted By jeff5may
Yes, ventilation will help carry away waste heat....

Yes, ventilation will help carry away waste heat. Not a huge amount, but yes it will be helpful.

The most effective thing you can do to increase cooling is to mist the outdoor unit heat exchanger....
Forum: Appliances & Gadgets 10-09-19, 05:12 PM
Replies: 2
Views: 4,876
Posted By Daox
I also posted this on EcoModder. Someone...

I also posted this on EcoModder. Someone mentioned that larger cells are easier to work with. So, I posted what I found as far as making smaller cells such as teh 18650 into larger packs.

There...
Forum: Geothermal & Heat Pumps 06-22-18, 04:08 PM
Replies: 17
Views: 6,791
Posted By oil pan 4
evaporative cooling for A/C condenser test with garden hose study

The scope is to determine if evaporative cooling can boost home A/C efficiency.
Instruments used:
Flir i7 thermal imager
Fluke325 amp clamp

Control over Observations:
Gave the A/C unit a 10...
Forum: The Billiards Room 04-16-18, 06:35 PM
Replies: 0
Views: 2,238
Posted By creeky
Ready for the Silent Spring?

As the son of a biologist and a determined nature lover I have been watching the plight of the bees with some concern. Now it looks like the bees are the least of our problem.

You see, coinciding...
Forum: The Billiards Room 04-13-18, 01:16 PM
Replies: 3
Views: 2,981
Posted By claudioa
Smile I'm developing a strategy video game where you operate the Electric Power Grid

Hello, I am a self-taught game developer and student of Energy and Environment (Master Degree).

I dreamed about this game a long time ago and have been developing it since, learning the craft...
Forum: Geothermal & Heat Pumps 01-03-18, 07:20 AM
Replies: 5
Views: 2,898
Posted By randen
Solar augmented mini split

Impressive build. Have a peek:

https://m.youtube.com/watch?v=dmckigvz7Hg


Randen
Forum: Geothermal & Heat Pumps 12-03-17, 07:21 AM
Replies: 15
Views: 6,231
Posted By Sccoupe
Have you given any thought to using a color...

Have you given any thought to using a color sensor like the one below? Detect white, defrost until non-white. I dont know if sensors in the price range below will work or not. Worth a try maybe.
...
Forum: Geothermal & Heat Pumps 10-26-17, 03:48 PM
Replies: 17
Views: 5,996
Posted By Sccoupe
The pipes for stage one are now safely burried...

The pipes for stage one are now safely burried for the winter and also antifreeze added. Below are the poly pipes going into a small crawl space. They come in though 4" pvc, the light stuff, not...
Forum: Conservation 06-29-17, 08:23 AM
Replies: 575
Views: 820,713
Posted By kostas
Hi guys, what goes around comes around, so here I...

Hi guys, what goes around comes around, so here I am with the latest news: I finally finished my diy HRV system!To be honest I completed and installed it last February but only now I managed to make...
Forum: Conservation 12-18-16, 09:34 AM
Replies: 575
Views: 820,713
Posted By kose2ik
goo.gl/photos/q9qbB3eYCddpJHAR7...

goo.gl/photos/q9qbB3eYCddpJHAR7 (http://goo.gl/photos/q9qbB3eYCddpJHAR7)
(Estonia lng.) ehitusfoorum.com/viewtopic.php?f=10&t=57499 (http://ehitusfoorum.com/viewtopic.php?f=10&t=57499)
Showing results 1 to 25 of 183

 
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