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Search: Posts Made By: randen
Forum: Geothermal & Heat Pumps 10-29-14, 08:49 AM
Replies: 68
Views: 5,235
Posted By randen
5 Ton GSHP Rebuild

Finally!!!

A kick-butt GSHP. Its about my 5th attempt but we have heat and lots at first glance. The surplus 5 ton 3 phase compressor turned out to be a dud!!! Oh how I hate practising placement...
Forum: Renovations & New Construction 09-29-14, 02:56 PM
Replies: 450
Views: 102,138
Posted By randen
With the concrete floors constant temp. no...

With the concrete floors constant temp. no expansion are required. Our floors are near 2000 sqft with no cuts. I would not want to entertain the chance of cutting into a tube that may have floated a...
Forum: Geothermal & Heat Pumps 07-06-14, 08:33 AM
Replies: 68
Views: 5,235
Posted By randen
5 Ton GSHP Build

The DIY Heat-pump is leak tested. Both the refrigerant side and water side are now holding pressure. The specialty British standard Male pipe thread adaptors worked flawlessly. The insulated boxes...
Forum: Geothermal & Heat Pumps 02-10-14, 11:18 AM
Replies: 76
Views: 7,339
Posted By randen
another hot water tank heat pump

I can see the finish line clearly now. We drained and removed the Rented Propane fired Hot water tank. And in went the DIY heat-pump hot water tank. Not so smoothly. Old copper fittings are a little...
Forum: Geothermal & Heat Pumps 01-28-14, 05:21 PM
Replies: 60
Views: 2,233
Posted By randen
The quest: Lots of heat, few dollars

Wewantutopia

I'm part of the motley crew.

Having first hand experience with Geo-thermal I would compare the price per unit heat BTU Geo vs. High efficiency Natural gas very close dollar per...
Forum: Solar Heating 12-04-13, 04:31 PM
Replies: 18
Views: 1,347
Posted By randen
Solar hot water space heating for the shop

At last, the production of the copper fin and tube risers has begun. The plywood form tool needed to be lengthened 2 ft. The collector that had been manufactured for the house was 8 ft. were as the...
Forum: Geothermal & Heat Pumps 10-25-13, 07:11 PM
Replies: 76
Views: 7,339
Posted By randen
another hot water tank heat pump

Well so far so good. I wound a tighter more neat cork-screw type HX. The copper cork-screw was wound into the threaded bung hole. It proved to be a little on the difficult side but the end product...
Forum: Solar Heating 09-20-13, 03:11 PM
Replies: 36
Views: 3,753
Posted By randen
Solar hot water space heating for the shop

Well yes on the storage.

The office portion of the shop has in-floor heating. Its made up from 6" of concrete so it stores heat nicely. The shop however was built before I gathered much wisdom and...
Forum: Solar Power 08-14-13, 07:19 AM
Replies: 5
Views: 510
Posted By randen
Jill You are correct. I'm a habitual DIY-er...

Jill
You are correct. I'm a habitual DIY-er living in Canada. Built many things including my home. I have seen the kits of solar panel cells for sale. To build them properly with the proper glass...
Forum: Lighting 08-07-13, 07:12 PM
Replies: 134
Views: 14,943
Posted By randen
I've been a huge fan of LED lighting for a while....

I've been a huge fan of LED lighting for a while. If they are purchased directly from China the prices are good. Imagine replacing a light for the last time. The daylight type are my favorite. I had...
Forum: Geothermal & Heat Pumps 03-23-13, 06:06 PM
Replies: 23
Views: 2,186
Posted By randen
Michael Good going. You will see some of my...

Michael

Good going. You will see some of my posts on the manifesto. We as well had the oil thirsty hot water heaters suppling or home for heat. The hot water was circulated in our concrete floor...
Forum: Renovations & New Construction 03-13-13, 12:19 PM
Replies: 450
Views: 102,138
Posted By randen
Cbearden Congrats on your new build. You...

Cbearden

Congrats on your new build. You will enjoy the heated floor so much. I have heated floors in both shop and home. The shop was done first to try it out as no-one was doing it around here....
Forum: Geothermal & Heat Pumps 02-09-13, 09:58 PM
Replies: 68
Views: 5,235
Posted By randen
5 Ton GSHP Build

Most of the components have arrived and are being assembled. A few alterations have been nessisary. The height of the new compressor is about an inch taller and its having a bit of a snowball effect...
Forum: Solar Heating 01-26-13, 09:25 AM
Replies: 14
Views: 1,760
Posted By randen
Ideas for net zero home

Blue bomber man

Welcome to the site.

There are many good ideas made here. Alot of them on the cheap. Taking an old humidifier and turning it into a very efficient heat pump water heater. Making...
Forum: Wind Power 12-12-12, 06:34 PM
Replies: 7
Views: 1,223
Posted By randen
Wind turbine for hydraulic or air pump

Both have been done to death. This has been such a problem with wind turbines some tinkerer's investing so much time and effort without studying the true dynamics of wind/power production. Then to...
Forum: Geothermal & Heat Pumps 11-01-12, 06:09 PM
Replies: 16
Views: 1,255
Posted By randen
Geo thermal heated garage Master Plan

The Master Plan wrote:

This last year just running the loop with nothing hooked to it the high was 58F the low was 38F. I am going to monitor it again this year.

Just from practical experience...
Forum: Solar Heating 10-23-12, 11:50 AM
Replies: 18
Views: 1,347
Posted By randen
The cost of copper is not cheap but its...

The cost of copper is not cheap but its coeffeicient of heat conduction is more than twice than that of aluminum. I haven't experimented with the two conductors (fins)side by side to gather any...
Forum: Solar Heating 10-11-12, 10:15 AM
Replies: 18
Views: 1,347
Posted By randen
Well I'm lead to beleive that any increase in...

Well I'm lead to beleive that any increase in value is more in granite counter-tops stainless appliances, fancy bathrooms and of late, media rooms for the expansive flat screen. If your wired to be a...
Forum: Solar Power 09-30-12, 06:26 PM
Replies: 9
Views: 887
Posted By randen
If you might have been following Xringers posts...

If you might have been following Xringers posts on his operating an A7 heat-pump hot water heater which he was operating with solar PV panels. It is truly amazing this time in our lives that these...
Forum: Solar Heating 09-17-12, 11:30 AM
Replies: 19
Views: 2,299
Posted By randen
I just used a good silicone caulking to mount the...

I just used a good silicone caulking to mount the glass.( just like an automotive windsheild) You will never need to remove it. even if you do a utility knife will do it.

Randen
Forum: Solar Heating 09-16-12, 10:07 AM
Replies: 19
Views: 2,299
Posted By randen
One last tip I had used muriatic acid to clean...

One last tip I had used muriatic acid to clean the glass. The low iron glass I had received was used and had a film on it that window cleaner wouldn`t touch. The muriatic (hydrochloric acid) work...
Forum: Solar Heating 09-16-12, 10:03 AM
Replies: 19
Views: 2,299
Posted By randen
I had simply used some copper end caps for...

I had simply used some copper end caps for testing and silver soldered in a tire stem removed and cleaned up from an old steel rim. The pressure guage was on the other cap with a brass cap silver...
Forum: Renovations & New Construction 09-01-12, 11:25 AM
Replies: 450
Views: 102,138
Posted By randen
In-floor heat & fresh air

Vlad wrote:
What about your ventilation system? Do you have any? The problem with radiant floor heating is you still have to bring fresh air because there is no air circulation.

Yes my home is...
Forum: Geothermal & Heat Pumps 08-26-12, 09:50 PM
Replies: 1,708
Views: 714,602
Posted By randen
Lyndenjn Wrote: Short of me reading all 1300...

Lyndenjn Wrote:

Short of me reading all 1300 posts, is there a post that details how someone may have taken a used whole house size A/C unit and converted it to a water to air furnace and A/C...
Forum: Renovations & New Construction 06-10-12, 03:52 AM
Replies: 15
Views: 1,289
Posted By randen
Curiosity of the air exchange number

Looking at this thread prompted me to find out what interm number of air exchange our improvments made in our home. The blower door tests conducted before and near the completed improvements had been...
Showing results 1 to 25 of 38

 
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