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Search: Posts Made By: Mobile Master Tech
Forum: Solar Power 10-15-16, 06:30 AM
Replies: 157
Views: 57,627
Posted By stevehull
Here is another advantage of Enphase . . . . ...

Here is another advantage of Enphase . . . .

A customer had an Enphase 6 kW system (I installed) where the Envoy (power and energy recording box) was acting abnormally. This box gets house wired...
Forum: Solar Power 10-15-16, 01:04 AM
Replies: 157
Views: 57,627
Posted By where2
Power Generation Issues: NONE since system went...

Power Generation Issues: NONE since system went live 8/1/2013. :thumbup:
Cleaning: More than a dozen of my panels have never been cleaned in 3+ years! I cleaned two at year 1, four more at year 2. I...
Forum: Solar Power 10-14-16, 12:30 PM
Replies: 157
Views: 57,627
Posted By pinballlooking
Grip 4-Head Suction Cup Dent Puller | Auto Body...

Grip 4-Head Suction Cup Dent Puller | Auto Body Tools| Northern Tool + Equipment (http://www.northerntool.com/shop/tools/product_42404_42404)
You can get it other places.
...
Forum: Solar Power 10-14-16, 08:55 AM
Replies: 157
Views: 57,627
Posted By pinballlooking
@Stevehull We want pictures and a solar post on...

@Stevehull
We want pictures and a solar post on its own about your project. Please share your story to help others.
It is a good story that others can reproduce.

I was going to post to this but...
Forum: Solar Power 10-14-16, 05:33 AM
Replies: 157
Views: 57,627
Posted By stevehull
Roostre, There is more to the equation than...

Roostre,

There is more to the equation than you have written - and when you see it you will be quite pleased.

Like you, I put in a similar sized system. Mine is 12.9 kW and I looked hard at...
Forum: Geothermal & Heat Pumps 06-28-16, 10:13 AM
Replies: 1,943
Views: 2,017,845
Posted By AC_Hacker
OK... The principle of Ground Source...

OK...

The principle of Ground Source heating is that the heat ultimately comes from the sun, and that heat that is held in the ground, is harvested for use in our home.

There is a component...
Forum: Renovations & New Construction 03-07-16, 08:39 AM
Replies: 25
Views: 9,853
Posted By stevehull
Thermal buffering is the sum of many thermal...

Thermal buffering is the sum of many thermal masses. The smallest thermal mass is the air mass. The most substantial are heavy dense things like stone counter tops and such. The resultant thermal...
Forum: Renovations & New Construction 03-06-16, 06:40 AM
Replies: 25
Views: 9,853
Posted By stevehull
BBP Good points on not simply using total...

BBP

Good points on not simply using total seasonal heating (or cooling) degree days for design load - alone.

I use both and expected wind and thermal mass. I look at the heat (or cool)...
Forum: Renovations & New Construction 03-01-16, 01:36 PM
Replies: 588
Views: 366,145
Posted By buffalobillpatrick
MMT, very interesting that U see the same issues...

MMT, very interesting that U see the same issues on totally different heat sources!

I have my TT boiler wired with a line cord, plugged into a simple cheap mechanical timer, every 3 hrs. it turns...
Forum: Renovations & New Construction 03-01-16, 12:20 PM
Replies: 588
Views: 366,145
Posted By buffalobillpatrick
MMT, Even though Outside Design Temperature...

MMT,

Even though Outside Design Temperature is reached very seldom, we who must obey the IBC, have to design systems for that temp.

My house has Propane for heat, at 8500' altitude, ModCons...
Forum: Renovations & New Construction 02-28-16, 12:03 PM
Replies: 588
Views: 366,145
Posted By buffalobillpatrick
More info on Legionella: MMT, Please note...

More info on Legionella:

MMT, Please note that I have removed many references that "bad mouth" Open or Combined systems.

I agree with you, that either type of system, closed or open can be very...
Forum: Energy Storage 02-27-16, 08:11 PM
Replies: 31
Views: 33,395
Posted By jeff5may
"My goals: additives that are cheap and common...

"My goals: additives that are cheap and common which make SAP work indefinitely or at least 1000 cycles with little degradation, backed up by practical experience..."

You realize that these goals...
Forum: Energy Storage 02-26-16, 07:32 PM
Replies: 31
Views: 33,395
Posted By jeff5may
I found some interesting data about CaCl PCM in...

I found some interesting data about CaCl PCM in this patent:

Patent EP0478637A1 - Calcium chloride hexahydrate formulations for low temperature heat storage ... - Google Patents...
Forum: Energy Storage 02-25-16, 01:39 PM
Replies: 31
Views: 33,395
Posted By jeff5may
I have had some experience with both CaCl...

I have had some experience with both CaCl solutions and the sodium acetate hand warmer packets. Please note that I am not a salt research scientist, nor any other form of pedigreed professional. Take...
Forum: Energy Storage 02-25-16, 10:54 AM
Replies: 31
Views: 33,395
Posted By jeff5may
The sodium acetate looks like it would be the...

The sodium acetate looks like it would be the most suitable material for your temperature range. It is a fairly common salt by chemical supply standards. Not highly expensive in bulk, nontechnical...
Forum: Solar Heating 04-08-15, 03:50 AM
Replies: 13
Views: 14,237
Posted By ferox
My plastic tank have 1000L, was tested in the...

My plastic tank have 1000L, was tested in the first start to 85C.
All 4 beer keg with 9 bar.
All works good, from 2013.

Pictures here...
Forum: Renovations & New Construction 02-23-15, 01:43 PM
Replies: 588
Views: 366,145
Posted By AC_Hacker
Most people think that when they do a Google...

Most people think that when they do a Google search, they are by default searching over all available on-line information in the world. It is not obvious that Google localized information.

So if...
Forum: Geothermal & Heat Pumps 10-03-14, 05:52 PM
Replies: 21
Views: 10,029
Posted By jeff5may
BBP, Before you go crazy digging up the...

BBP,

Before you go crazy digging up the ground, throwing a shopping list full of money full of parts and hardware, and installing who knows what, into this freshly dug hole, you REALLY should...
Forum: Conservation 09-18-14, 01:52 AM
Replies: 18
Views: 17,755
Posted By Zwerius
Hello Everyone, From the previous post from...

Hello Everyone,

From the previous post from AC Hacker, you might get the idea to fabricate your own VIP's.

However, there are a few things you should know.

First of all, you need a quite...
Forum: Conservation 09-14-14, 09:43 AM
Replies: 5
Views: 3,093
Posted By Zwerius
How I upgraded our entrance door with vacuum insulation

For those of you interested in upgrading a door, here's an article I wrote a few years ago. It's about adding 2cm vacuum insulation to an entrance door. The 2 cm vacuum insulation is identical to...
Forum: Tools 06-04-13, 08:48 PM
Replies: 2
Views: 4,050
Posted By stevehull
AC, You are correct that the information can...

AC,

You are correct that the information can be VERY helpful. I use this type of analysis all the time.

However, one correction. For heating, the baseline is at 65 degrees. Just a couple...
Forum: Renovations & New Construction 06-03-13, 08:39 AM
Replies: 31
Views: 18,115
Posted By AC_Hacker
I put aluminum shingles on over a cedar shingle...

I put aluminum shingles on over a cedar shingle roof, with skip sheathing below that and about 6 inches of rigid foam below that.

In all honesty, I have to say that my metal roof is not nearly as...
Forum: Geothermal & Heat Pumps 06-02-13, 01:18 PM
Replies: 15
Views: 7,539
Posted By jeff5may
Not bad for a first test! From the pic, it looks...

Not bad for a first test! From the pic, it looks like you're going water to air with this unit. If the unit was evacuated well before charging, the numbers you posted for your pressures are on the...
Forum: Geothermal & Heat Pumps 04-28-13, 12:52 PM
Replies: 45
Views: 18,512
Posted By jeff5may
AC, I tend to think more in terms of emergy...

AC,

I tend to think more in terms of emergy use. This along with the exergy analysis works very well to determine the real eco-cost and efficiency of energy use in general.

"Beginning in the...
Forum: Geothermal & Heat Pumps 04-26-13, 09:50 AM
Replies: 45
Views: 18,512
Posted By AC_Hacker
scottorious, You're not sounding very...

scottorious,

You're not sounding very caveman anymore.

However, you might not be able to 'pull the coolness' from the milk bottles filled with water as rapidly as you would like to. Experiments...
Showing results 1 to 25 of 38

 
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