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Search: Posts Made By: Zwerius
Forum: Geothermal & Heat Pumps 07-27-22, 03:38 PM
Replies: 1,943
Views: 2,015,881
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: 2,101
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: 2,101
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: 3,902
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: 2,945
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: 831,594
Posted By kostas
Yes, over 90% with 20 C Δt

Yes, over 90% with 20 C Δt
Forum: Appliances & Gadgets 12-15-16, 02:36 PM
Replies: 7
Views: 3,850
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: 7,294
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: 2,015,881
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: 2,015,881
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: 31,512
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: 17,738
Posted By Mikesolar
another interesting one.

another interesting one.
Forum: Conservation 09-15-14, 12:08 PM
Replies: 18
Views: 17,738
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: 831,594
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: 2,015,881
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: 831,594
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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