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Forum: Conservation 05-30-23, 07:21 PM
Replies: 6
Views: 75,282
Posted By Xringer
I should have learned by now, if it ain't...

I should have learned by now,
if it ain't broke, don't fix it.. :cool:
Forum: Geothermal & Heat Pumps 01-06-23, 02:20 AM
Replies: 1
Views: 54,326
Posted By AC_Hacker
Universal Air-Source Heat Pump Controller

I came across a remarkable, inexpensive device that can make building a Homemade Heat Pump much easier. In the "Manifesto" thread, we hit a bump because in our attempt to design a simple cheap...
Forum: Geothermal & Heat Pumps 11-15-22, 11:32 AM
Replies: 148
Views: 234,355
Posted By randen
Hello Eco-Renovators Thought Id give you a...

Hello Eco-Renovators

Thought Id give you a up-date on the DIY 5ton shop ground source heat-pump. It is Nov. 15/2022 and -2 Deg C outside with snow flurries. A couple weeks ago I had moved the...
Forum: Renovations & New Construction 03-10-22, 08:35 PM
Replies: 10
Views: 30,596
Posted By JRMichler
I'm not in the south either, but last summer we...

I'm not in the south either, but last summer we had several days in a row with temperatures over 90 deg F. The AC finally started on the fourth day because it took that long for the house to heat...
Forum: Geothermal & Heat Pumps 03-10-22, 08:18 PM
Replies: 11
Views: 39,067
Posted By JRMichler
The electricity to an air compressor motor ends...

The electricity to an air compressor motor ends up as heat distributed as follows:

From the motor (about 5% to 10% of the electricity in).
From the compressor itself.
From the hot compressed...
Forum: Geothermal & Heat Pumps 02-16-22, 10:28 AM
Replies: 16
Views: 37,718
Posted By Robl
I started off with a fire extinguisher that...

I started off with a fire extinguisher that somebody gave me. Don't do that though, it was a mistake on my part - there's all sorts of other rubbish in fire extinguisher gas, so it doesn't...
Forum: Tools 02-07-22, 07:23 AM
Replies: 4
Views: 23,750
Posted By YuriyLogvin
I somehow forgot to apply the foam between the...

I somehow forgot to apply the foam between the door frame and a wall from outside the balcony. Yeah, the device is not cheap, but very useful, probably it's better to rent it or order a service in...
Forum: Tools 02-04-22, 11:43 AM
Replies: 4
Views: 23,750
Posted By YuriyLogvin
Bought a thermal imager to perform heat loss audit of my home

Hi all, recently I bought myself a thermal imager, and just wanted to share how I used it to determine places where in my home significant heat loss happens.
Found out that I completely forgot to...
Forum: Geothermal & Heat Pumps 01-29-22, 04:38 PM
Replies: 10
Views: 37,718
Posted By YuriyLogvin
Hello everyone, I think I fixed mistakes that...

Hello everyone,
I think I fixed mistakes that were made in my initial geothermal heat pump design. I was wrong, and now it's apparent that the evaporator should be bigger than the condenser.

I...
Forum: Geothermal & Heat Pumps 01-27-22, 12:13 PM
Replies: 10
Views: 37,718
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 12-09-21, 01:50 AM
Replies: 8
Views: 12,658
Posted By Bobinater33
As for details on the build… well. I must admit...

As for details on the build… well. I must admit that it makes no sense to do it the way I did. I’ve essentially reversed the advancements In HVAC technology back to the 90’s by doing away with the...
Forum: Geothermal & Heat Pumps 12-09-21, 01:21 AM
Replies: 8
Views: 12,658
Posted By Bobinater33
.delete please

.delete this thread
Forum: Tools 09-21-21, 04:42 PM
Replies: 16
Views: 30,075
Posted By pinballlooking
We have now sold 51 trenching buckets. In the...

We have now sold 51 trenching buckets.
In the last four months I have used over 88 pounds of mig welding wire.
It has been really busy. It is increasing each month....
Forum: Geothermal & Heat Pumps 09-10-21, 06:57 AM
Replies: 16
Views: 37,718
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: EcoRenovator Blog Discussion 07-31-21, 11:42 AM
Replies: 13
Views: 94,843
Posted By Piwoslaw
When I read/hear that "PV is now very cheap", I...

When I read/hear that "PV is now very cheap", I remember something I read recently, related to the boom on PV in Europe and the rest of the world. It stated that among the reasons for the fall in PV...
Forum: Geothermal & Heat Pumps 06-01-21, 04:21 PM
Replies: 3
Views: 8,899
Posted By u3b3rg33k
moisture in the system will be evident when you...

moisture in the system will be evident when you try to pull and hold a vacuum as well. if you can pull it down the first time and it holds then it was pretty dry.
Forum: Appliances & Gadgets 04-27-21, 07:18 PM
Replies: 8
Views: 28,396
Posted By vskid3
They actually don't need the input voltage to be...

They actually don't need the input voltage to be higher than the output. I've always run mine off a 12v xbox 360 power supply and used it to charge batteries higher in voltage. The specs for the...
Forum: EcoRenovator Blog Discussion 03-31-21, 01:11 AM
Replies: 13
Views: 94,843
Posted By NiHaoMike
Perhaps more investment in automated load...

Perhaps more investment in automated load management is the answer? The technology to make it happen (for example, Raspberry Pi or ESP32) is dirt cheap. Likewise, thermal storage for HVAC is also...
Forum: EcoRenovator Blog Discussion 03-28-21, 08:34 PM
Replies: 13
Views: 94,843
Posted By oil pan 4
I know this is one old post but it's nice to...

I know this is one old post but it's nice to update old posts, you know so you can see how things played out.

This happened after new mexicos out of cycle "blue wave"....
Forum: Conservation 02-26-21, 06:49 PM
Replies: 6
Views: 24,869
Posted By WillyP
I worked my way through college as an insulator....

I worked my way through college as an insulator. So I am a little Biased. But it is well worth the money to invest in insulating up to the local requirements. This is especially true if you plan on...
Forum: Conservation 02-26-21, 06:05 PM
Replies: 6
Views: 24,869
Posted By nibs
IMO insulation is like fun and money, you can...

IMO insulation is like fun and money, you can never have too much. The lid in my house is R70, we have no attic, but the snow does not melt unless the ambient temp is above freezing.
Forum: Lawn and Garden 02-02-21, 10:22 AM
Replies: 13
Views: 33,237
Posted By Acuario
I've finally finished (well, probably as finished...

I've finally finished (well, probably as finished as any homebrew project ever gets save the inevitable modifications!) the heating system for the greenhouse.

Typically January/February are the...
Forum: Solar Heating 02-02-21, 05:16 AM
Replies: 28
Views: 55,088
Posted By randen
Heating a slab for solar space heating

The utilization of solar heated hot water for heating a concrete slab for space heating is Nirvana!! On all accounts its a home run for: saving money, complexity, and comfort.

Here in Canada our...
Forum: Solar Heating 01-31-21, 05:52 AM
Replies: 28
Views: 55,088
Posted By IamIan
Conventional resistance electric hot water heater...

Conventional resistance electric hot water heater .. or .. heat pump hot water heater ?

Both use electricity .. can be powered by the solar / batteries.

But the heat pump option have 3 benefits...
Forum: Geothermal & Heat Pumps 01-19-21, 12:45 PM
Replies: 14
Views: 25,876
Posted By Acuario
I actually have my own designed board that I use...

I actually have my own designed board that I use - it is actually a slightly hacked board that I use for my thermostats but it has everything I need. It has the ESP-12 soldered onto the pcb - I just...
Showing results 1 to 25 of 431
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