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Search: Posts Made By: Tom Brown
Forum: Conservation 05-22-19, 02:38 PM
Replies: 188
Views: 37,217
Posted By Peakster
Aprl 2019 housing costs: Natural Gas -...

Aprl 2019 housing costs:

Natural Gas - $82.53
Electricity - $225.99 (power company overestimated the usage again)
Water - $129.46

Other expenses:

Cell Phone - $38.26
Wifi - 61.00
Forum: Geothermal & Heat Pumps 10-06-18, 10:01 AM
Replies: 1,940
Views: 1,433,915
Posted By mejunkhound
made a tube in tube water to R22 exchanger ...

made a tube in tube water to R22 exchanger

36mm inside diameter PVC plastic pipe carries water

Inside the PVC pipe have 18 mm diameter coper pipe with R22 inside.

25 meters length = ...
Forum: Conservation 03-11-14, 06:16 PM
Replies: 18
Views: 3,702
Posted By Ormston
I'm doing something very similar, built and...

I'm doing something very similar, built and installed a heat recovery pipe on our shower drain to warm the cold supply to the thermostatic shower mixer valve.

I did this as an experiment to see if...
Forum: Conservation 03-11-14, 03:08 PM
Replies: 18
Views: 3,702
Posted By Daox
Here are a few threads on drain water heat...

Here are a few threads on drain water heat exchangers.

http://ecorenovator.org/forum/conservation/52-drain-water-heat-recovery.html
...
Forum: Conservation 03-11-14, 08:29 AM
Replies: 18
Views: 3,702
Posted By stevehull
Tom, In your cold weather area, preheating...

Tom,

In your cold weather area, preheating the cold water will have quick returns. But I would use copper in the thinset shower floor rather than PEX.

I know we have discussed cold water...
Forum: Conservation 03-11-14, 01:02 AM
Replies: 18
Views: 3,702
Posted By ecomodded
now you got me thinking Of a simple heat...

now you got me thinking

Of a simple heat exchanger from the warm drain water to the cold intake water.


Could wrap the cold water(copper) pipe around a (copper) shower drain pipe then into...
Forum: Conservation 03-10-14, 03:58 PM
Replies: 18
Views: 3,702
Posted By Daox
Welcome to the site! It sounds like a good...

Welcome to the site!

It sounds like a good idea to me. We want to see pics when you do it. :)

edit: a side effect will be that your shower floor will stay cooler...
Forum: Geothermal & Heat Pumps 03-30-09, 10:11 AM
Replies: 1,940
Views: 1,433,915
Posted By AC_Hacker
The Homemade Heat Pump Manifesto

Hello all,



(I have been working on this project since 2009, and I am having great success and fun, but have yet to find anyone on the web doing similar work.)

* * *

I live in an older...
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