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Search: Posts Made By: AC_Hacker
Forum: Geothermal & Heat Pumps 09-25-19, 11:59 PM
Replies: 12
Views: 27,888
Posted By Daox
Very interesting performance and price...

Very interesting performance and price comparison. I wonder what things will be like in another 10 years.
Forum: Geothermal & Heat Pumps 09-25-19, 10:28 PM
Replies: 12
Views: 27,888
Posted By pinballlooking
Nice specs. That should serve you well. That is...

Nice specs. That should serve you well.
That is a Great COP number.
Forum: Geothermal & Heat Pumps 10-06-18, 09:01 AM
Replies: 1,943
Views: 5,418,796
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: The Billiards Room 08-12-18, 11:52 AM
Replies: 2
Views: 16,917
Posted By Zwerius
May be it's good to read this article in the NYT:...

May be it's good to read this article in the NYT: https://www.nytimes.com/interactive/2018/08/01/magazine/climate-change-losing-earth.html
Forum: Geothermal & Heat Pumps 02-13-18, 04:44 PM
Replies: 1,943
Views: 5,418,796
Posted By Roostre
Made it!

It took me a long time, but it's done. Whew.

What a great thread and resource for the DIY experimenters out there.

I found that the "Closed-Loop/Ground-Source Heat Pump Systems - Installation...
Forum: Geothermal & Heat Pumps 11-13-17, 01:38 PM
Replies: 91
Views: 81,597
Posted By Acuario
After much deliberation I have decided to abandon...

After much deliberation I have decided to abandon my efforts to build a controller for an inverter machine.

I achieved my initial goal which was to decode the protocol of a Daikin machine and...
Forum: Geothermal & Heat Pumps 06-13-17, 07:34 PM
Replies: 245
Views: 232,964
Posted By Sccoupe
So this evening, I was able to drop a 3/4",...

So this evening, I was able to drop a 3/4", 100psi hdpe ubend into one 90 foot hole.

Here is the fusing unit that showed up. The sockets are metric, but I was mainly interested in cheap easy heat....
Forum: Geothermal & Heat Pumps 05-25-17, 05:30 PM
Replies: 1,943
Views: 5,418,796
Posted By mmech
AC_Hacker and other contributors Thanks for...

AC_Hacker and other contributors

Thanks for all the good info. I just finished reading p46 of the 193. Thanks for the link to the Geothermal Heat Pump Design Manual on that page. Lots of good...
Forum: Geothermal & Heat Pumps 04-09-17, 03:40 AM
Replies: 24
Views: 18,232
Posted By Stoker
Inverter multi-split with a hydronic zone?

I recently completed my first install of a 2 zone Pioneer multi split in my suite. Painless install. No problems.

I was talking with a close friend this evening about it. He has a little...
Forum: Conservation 02-18-17, 12:12 AM
Replies: 25
Views: 21,270
Posted By Steve Tjiang
Commercially available heat pump based HRV

Great Idea, but the Europeans are way ahead of us on HRVs.

Nilan, a Danish company makes a commerically available residential HRV that uses both passive heat exchange and active heat exchange. ...
Forum: Geothermal & Heat Pumps 02-09-17, 03:31 PM
Replies: 148
Views: 226,203
Posted By randen
5 Ton GSHP Build

Its been about 4 yrs but probably more than double and north of $3k. for the season

I checked the loop temp and incoming 5 Deg. C. and return 2 Deg. C

Randen
Forum: Geothermal & Heat Pumps 01-16-17, 09:20 AM
Replies: 14
Views: 24,492
Posted By Acuario
IOT heatpump controller

Sadly my old Roca heat pump compressor died.

Fortunately my local scrap man turned up for a pickup and had a mid-size Daiichi external unit in the back of his van. I persuaded him to part with it...
Forum: Conservation 12-18-16, 02:21 PM
Replies: 575
Views: 1,294,060
Posted By Piwoslaw
A clear HX core? If you also made the outer...

A clear HX core? If you also made the outer casing clear you could observe what is happening inside - condensation, mildew, clogging, etc.
Forum: Appliances & Gadgets 12-16-16, 12:00 PM
Replies: 18
Views: 39,891
Posted By celblazer
I love my Ooma. No issues, works great through...

I love my Ooma. No issues, works great through my home phones and Bluetooth with my cell and have had it for years. Last time I checked I saved just over $2.6k since I bought it 6 years ago.
Forum: Tools 11-10-16, 01:03 PM
Replies: 9
Views: 10,877
Posted By Geo NR Gee
Google Play has one called Sunrise alarm. ...

Google Play has one called Sunrise alarm.

Features:
Sunrise Alarm" calculates the exact sunrise time based on your location and wakes you up at sunrise.

Other Features :
- Alarm Tone option...
Forum: Geothermal & Heat Pumps 11-09-16, 08:45 PM
Replies: 21
Views: 25,467
Posted By jeff5may
Time for an update. The unit is still alive and...

Time for an update. The unit is still alive and has paid for itself in savings already. I hope it does as well during heating season.

After the initial test, I found the unit a home. My son moved...
Forum: Renovations & New Construction 10-29-16, 10:45 AM
Replies: 16
Views: 20,310
Posted By Zwerius
If you have to heat your house like we do (in the...

If you have to heat your house like we do (in the Netherlands 55°North), I would suggest to make the distance between the tubes much smaller. This causes a lower required water temperature in the...
Forum: Renovations & New Construction 10-28-16, 04:13 PM
Replies: 16
Views: 20,310
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: Renovations & New Construction 10-26-16, 02:05 PM
Replies: 16
Views: 20,310
Posted By nibs
"I'm older than you." Then act your age and...

"I'm older than you."
Then act your age and drop the insults.
Forum: Solar Heating 08-28-16, 11:27 PM
Replies: 6
Views: 11,007
Posted By SDMCF
Some good advice from stevehull, but there is one...

Some good advice from stevehull, but there is one thing I would question. He says:



Maybe the cloud cover here is different from Steve's, but I don't find that. I have 100 evacuated tubes and...
Forum: Solar Heating 08-28-16, 12:14 PM
Replies: 6
Views: 11,007
Posted By Geo NR Gee
Help needed incorporating Solar collectors

For years I have been wanting to use the suns energy to heat and power my home. I have read countless stories of people here and elsewhere adding energy wise equipment to improve their home and...
Forum: Geothermal & Heat Pumps 07-28-16, 10:19 AM
Replies: 282
Views: 239,915
Posted By randallkc
About 10 years ago I was in Belize working on my...

About 10 years ago I was in Belize working on my drinking problem on a small island "Caye Caulker" and I saw this guy charging a AC system with a BBQ gas propane of bottle. I asked him... Your...
Forum: Conservation 07-21-16, 04:39 PM
Replies: 30
Views: 34,651
Posted By dremd
Subscribed: I sure love my 13' SV and my set of...

Subscribed:
I sure love my 13' SV and my set of open EVSE's.

Hope you feel the same.
Forum: Geothermal & Heat Pumps 07-21-16, 03:35 PM
Replies: 2
Views: 5,694
Posted By Xringer
How deep is the frost line?

Found this. Seems like it might be useful info for a GSHP HX or drainage etc..
www.soundfootings.com (http://www.soundfootings.com/pdf/US_Map_Frost_DepthAVG.pdf?loc=interstitialskip)
Forum: Geothermal & Heat Pumps 07-11-16, 11:05 PM
Replies: 20
Views: 19,720
Posted By jeff5may
Your 5kbtu compressor is not the best choice for...

Your 5kbtu compressor is not the best choice for propane. Different compression ratio. More in line with r-134a. Expect only half the btu capacity running r-134a through it.

My advice would be to...
Showing results 1 to 25 of 303

 
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