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Search: Posts Made By: Mikesolar
Forum: Solar Heating 10-20-20, 09:07 AM
Replies: 128
Views: 41,402
Posted By Daox
Alright, lets fast forward 8 years! I basically...

Alright, lets fast forward 8 years! I basically haven't done anything with this project. So, this is what the solar panel rack looked like earlier this week:
...
Forum: Geothermal & Heat Pumps 09-25-19, 06:57 PM
Replies: 12
Views: 4,486
Posted By AC_Hacker
AC_Hacker installs a new Mini-Split

I installed my original mini-split in around 2009, before I started my Homemade Heat Pump Manifesto project. The heat pump I installed then was a Sanyo KS0971 (+ C0971
+ CL0971). It had what I...
Forum: Conservation 08-04-19, 10:12 AM
Replies: 189
Views: 39,505
Posted By randen
Any one working toward Off Grid

Fellow Eco-renovators

This huge project is nearing completion. The addition of another 3.5 kws of solar panels is complete.
During this summer we have been off the grid for 95% of the time. The...
Forum: Geothermal & Heat Pumps 01-01-18, 11:19 AM
Replies: 645
Views: 292,375
Posted By Xringer
My first Gree has been installed for a while...

My first Gree has been installed for a while now.. Fall of 2016..
http://ecorenovator.org/forum/geothermal-heat-pumps/4903-gree-crown-18kbtu-install-9.html
I have not purchased one for the den yet....
Forum: Conservation 05-13-17, 12:01 AM
Replies: 25
Views: 8,367
Posted By randen
I thought I would give a follow-up. The...

I thought I would give a follow-up.

The S-10EV is on the road and is driving wonderfully. The Chevy Volt battery packs are providing great performance for this little truck. I still have some...
Forum: Geothermal & Heat Pumps 03-14-16, 11:42 AM
Replies: 1,942
Views: 1,642,333
Posted By AC_Hacker
New Thread for HVAC-oriented Talk.

Since it is clear that there is an irrepressible urge to free-associate about vapor-compression topics, I have created a thread that will be a welcoming home for those folks who keep making the...
Forum: Solar Power 10-07-15, 12:12 PM
Replies: 7
Views: 2,328
Posted By mechanic
Great! I ordered some $7 12v timers from China...

Great! I ordered some $7 12v timers from China when I started the project and they finally just showed up now but it's time to blow the lines out as its starting to freeze some nights so I'll try...
Forum: Geothermal & Heat Pumps 03-09-15, 03:54 AM
Replies: 645
Views: 292,375
Posted By ctgottapee
That baffle would meet spec; looks about 8". The...

That baffle would meet spec; looks about 8". The unit is 10" deep. Mits offered their own for the commercial models.

One of those curved tarp roofs, curving to the ground, with a 2 foot peak above...
Forum: Geothermal & Heat Pumps 12-12-14, 04:04 PM
Replies: 645
Views: 292,375
Posted By Xringer
That's not working for me.. This one downloads...

That's not working for me.. This one downloads the pdf file..

www.buildingscience.com/documents/bareports/resolveuid/7f45efc07ee24ebe9c77622fe833f6fb


The 'Executive Summary' is very...
Forum: Geothermal & Heat Pumps 12-12-14, 03:18 PM
Replies: 645
Views: 292,375
Posted By AnAppleSnail
"Long-term Mini-Split case study" from BSI

How many posts to share a link? I've been lurking in some of the Ground-Source Heat-Sink DIY threads, then found my way here. One of my favorite building-stuff sites, BuildingScience dot com, put out...
Forum: Tools 12-07-14, 05:56 PM
Replies: 12
Views: 8,220
Posted By jeff5may
SEEK THERMAL unveils $199 thermal camera for android phones

Seek Thermal has begun shipping these units at $199, and they actually work.

http://www.youtube.com/watch?v=IbbkvwJRwxs

Buy one here:

Seek Thermal Camera Android...
Forum: Renovations & New Construction 11-30-14, 07:45 AM
Replies: 50
Views: 19,791
Posted By Zwerius
Just read this discussion. What I didn't read...

Just read this discussion.
What I didn't read in this discussion, are these two things:
1. The heat transfer from water to the pipe is depending on water velocity.
As soon as waterflow is so low,...
Forum: Geothermal & Heat Pumps 10-24-14, 03:57 PM
Replies: 15
Views: 4,449
Posted By buffalobillpatrick
The Shocking Truth About Heat Pumps...

The Shocking Truth About Heat Pumps (http://www.energyvanguard.com/blog-building-science-HERS-BPI/bid/69996/The-Shocking-Truth-About-Heat-Pumps)
...
Forum: Appliances & Gadgets 10-08-14, 02:46 PM
Replies: 18
Views: 4,600
Posted By Ormston
The BI Directional requirement is because it's AC...

The BI Directional requirement is because it's AC current, has nothing to do with import/export.

The library I mentioned does measure import/export using a single 100A ct exactly as you need, to...
Forum: Renovations & New Construction 07-31-14, 12:49 PM
Replies: 6
Views: 2,219
Posted By AC_Hacker
Zero Energy Homes in Europe

I came across a couple of very interesting videos that illustrate just how Zero Energy Homes are no longer just a curiosity and are entering full-scale production.

...
Forum: Geothermal & Heat Pumps 07-03-14, 11:03 AM
Replies: 331
Views: 83,340
Posted By AC_Hacker
Since we are mulling over various power switching...

Since we are mulling over various power switching options, it might be useful to see how many microprocessor pins and switches (relay/SSR) we need at this point...

Maybe an initial tally could be...
Forum: Geothermal & Heat Pumps 07-02-14, 04:12 PM
Replies: 331
Views: 83,340
Posted By AC_Hacker
Designing a General Purpose Heat Pump Controller

The Homemade Heat Pump concept has had some notable success.

However, one link in the chain that is missing is an open-source general-purpose heat pump controller.

If such a controller existed,...
Forum: Geothermal & Heat Pumps 04-26-14, 01:29 PM
Replies: 18
Views: 4,325
Posted By buffalobillpatrick
Solar with HP study

http://www.task51.iea-shc.org/data/sites/1/publications/2010-Kjellsson_Art-T44-Kjellson_2009_Sciencedirectarticle%5B09%5D_in_press.pdf

Conclusions pg6

There are three major reasons for adding...
Forum: Geothermal & Heat Pumps 03-18-14, 08:20 PM
Replies: 12
Views: 6,530
Posted By jeff5may
I found the TRAINING manual for the geospring...

I found the TRAINING manual for the geospring units. Another quirk of Philips and Thomson, this manual is easy to understand and tells you secrets about the models (unlike the service manuals, which...
Forum: Geothermal & Heat Pumps 03-18-14, 01:05 AM
Replies: 293
Views: 46,515
Posted By buffalobillpatrick
PROPANE ...

PROPANE
...
Forum: Solar Power 01-27-14, 04:31 PM
Replies: 9
Views: 2,244
Posted By AC_Hacker
If this is what you are after, I think that a...

If this is what you are after, I think that a great program for you is the Passive House Planning Package (Also called "PHPP").

It takes almost everything into account: geographic location, house...
Forum: Geothermal & Heat Pumps 12-31-13, 06:11 PM
Replies: 34
Views: 13,042
Posted By RB855
Now, Im absolutely not an expert on this stuff,...

Now, Im absolutely not an expert on this stuff, and should be fully verified before you use it to make any decisions. There are several things that must be considered when selecting a gas, type of...
Forum: Lighting 12-22-13, 11:17 PM
Replies: 16
Views: 5,631
Posted By opiesche
DIY 3D printed recessed LED fixtures

[EDIT] sorry, some of the pictures are upside down.

So, the original 1980s light fixtures in our upstairs hallway have always bothered me a bit. They just look... well, so 1980s. Since I've built...
Forum: Geothermal & Heat Pumps 10-28-13, 01:06 PM
Replies: 79
Views: 26,580
Posted By AC_Hacker
You certainly don't NEED a data logger to do what...

You certainly don't NEED a data logger to do what you're doing, but I found a really cheap, simple and effective unit right HERE (http://sensoriumembedded.com/productpages/multilogger/index.htm).
...
Forum: Conservation 03-08-13, 03:27 AM
Replies: 105
Views: 59,023
Posted By kostas
As I said earlier, the DHT22 is more accurate as...

As I said earlier, the DHT22 is more accurate as it ranges from -40 to +125C with a +-0,5% accuracy.
You can find the differences between the two sensors here:
Overview | DHTxx Sensors | Adafruit...
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