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Search: Posts Made By: Zwerius
Forum: Appliances & Gadgets 02-01-23, 12:48 PM
Replies: 4
Views: 28,832
Posted By u3b3rg33k
electric boilers are (relatively) cheap to buy,...

electric boilers are (relatively) cheap to buy, but I've never heard of someone installing one to save on operating costs.
Forum: Other Improvements 12-02-22, 04:19 PM
Replies: 4
Views: 29,281
Posted By Sparky!
Chevy Volt Upgrade

We have a 2017 Chevy Volt Premier that is fueled about 50/50 with sunshine.

Last week we put 3910 miles on to got to Utah from Iowa and noticed that my wife had a valid point. The heat for your...
Forum: Geothermal & Heat Pumps 07-27-22, 03:38 PM
Replies: 1,943
Views: 3,647,343
Posted By AC_Hacker
MILESTONE - Homemade Heatpump Manifesto breaks 2 million hits

I want to take a moment to recognize that the Homemade Heat Pump Manifesto has gone beyond 2 million page views. I would like to thank Daox and any other people who may have worked behind the scene...
Forum: Geothermal & Heat Pumps 01-29-22, 03:38 PM
Replies: 10
Views: 16,046
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, 11:13 AM
Replies: 10
Views: 16,046
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: 21,524
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: Geothermal & Heat Pumps 01-03-18, 07:20 AM
Replies: 5
Views: 4,600
Posted By randen
Solar augmented mini split

Impressive build. Have a peek:

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


Randen
Forum: Conservation 06-30-17, 02:33 AM
Replies: 575
Views: 1,133,333
Posted By kostas
Yes, over 90% with 20º C Δt

Yes, over 90% with 20º C Δt
Forum: Appliances & Gadgets 12-15-16, 02:36 PM
Replies: 7
Views: 5,375
Posted By jjackstone
Gas oven electricity use.

Maybe many of you are already aware of this, but I couldn't find a thread talking about it.

Like most of you, I keep a fairly close eye on my electricity usage. I had always assumed that using a...
Forum: Renovations & New Construction 10-28-16, 04:13 PM
Replies: 16
Views: 13,158
Posted By Fionn
The tiny amount of insulation used in the US...

The tiny amount of insulation used in the US building industry is amazing from a European perspective.
In Europe nobody would consider putting less than 150mm of PUR insulation beneath a heated...
Forum: Geothermal & Heat Pumps 09-26-16, 12:06 PM
Replies: 1,943
Views: 3,647,343
Posted By AC_Hacker
The Homemade Heat Pump Manifesto Has Passed a Million Page-Views

The Homemade Heat Pump Manifesto has just passed the one million page-views milestone!

Never in my wildest dreams did I think that there would be this much interest in converting discarded air...
Forum: Geothermal & Heat Pumps 03-03-16, 08:50 AM
Replies: 1,943
Views: 3,647,343
Posted By Mobile Master Tech
I thought those topics (what refrigerant to put...

I thought those topics (what refrigerant to put in their hacked unit and why, safety issues, understanding equipment reliability limits hackers might be bumping against without realizing it, how to...
Forum: Conservation 01-13-15, 01:52 AM
Replies: 88
Views: 45,392
Posted By pinballlooking
Very nice savings… If the i3 was priced the...

Very nice savings…
If the i3 was priced the same as the Chevy Volt here I would save even more with the i3
In almost 2 years we have driven the Volt 31,242 EV solar powered miles.
Mark
Forum: Conservation 09-15-14, 05:26 PM
Replies: 18
Views: 21,862
Posted By Mikesolar
another interesting one.

another interesting one.
Forum: Conservation 09-15-14, 12:08 PM
Replies: 18
Views: 21,862
Posted By AC_Hacker
Vacuum Panel Insulation

Zwerius, from the Neatherlands, is a new member of the EcoRenovator conversation.

He recently started a thread, that pointed to his site in Dutch about his successful efforts to dramatically...
Forum: Conservation 06-30-14, 04:56 PM
Replies: 575
Views: 1,133,333
Posted By aknowlesey
Here are some photos of a DIY Heat Recovery...

Here are some photos of a DIY Heat Recovery System I built last summer with the help of info in this thread.

Like previous posts the core is made from Corex sheets and Corex spacer strips stuck...
Forum: Geothermal & Heat Pumps 10-24-11, 12:35 PM
Replies: 1,943
Views: 3,647,343
Posted By AC_Hacker
Info Regarding R-290...

There is an interesting site called HVAC Talk (hvac-talk.com) that I read from time to time. In spite of the fact that they are generally DIY UN-FRIENDLY, useful information can be found mixed in...
Forum: Conservation 02-16-11, 07:56 AM
Replies: 575
Views: 1,133,333
Posted By Piwoslaw
Here is a picture of the DIY countercurrent HX...

Here is a picture of the DIY countercurrent HX (see post #3 (http://ecorenovator.org/forum/conservation/891-diy-ventilation-heat-exchanger.html#post5795)) in place:
...
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