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Search: Posts Made By: Mobile Master Tech
Forum: Conservation 11-18-20, 05:39 PM
Replies: 60
Views: 60,978
Posted By Mobile Master Tech
Back on this forum after a long absence! The...

Back on this forum after a long absence! The Certainteed Landmark shingles in Silver Birch color have held up well. A minor issue: they seem to lose more granules over time than others I have seen. I...
Forum: Energy Storage 11-22-16, 03:42 PM
Replies: 31
Views: 33,395
Posted By Mobile Master Tech
Yep, any "hot fill" bottles will work. After...

Yep, any "hot fill" bottles will work. After studying (with odd looks from passerby) all different kinds of bottles in grocery stores, the Ocean Spray and PowerAde bottles have the most efficient...
Forum: Energy Storage 08-10-16, 12:01 PM
Replies: 31
Views: 33,395
Posted By Mobile Master Tech
THIS LINK ...

THIS LINK (http://www.energyvanguard.com/blog-building-science-HERS-BPI/bid/76941/The-Diminishing-Returns-of-Adding-More-Insulation) and also THIS ONE...
Forum: Geothermal & Heat Pumps 03-19-16, 01:44 PM
Replies: 4
Views: 3,675
Posted By Mobile Master Tech
The European Union now allows flammable...

The European Union now allows flammable refrigerants per STANDARD EN378 (http://www.fridgehub.com/uploads/main_news_images/2013/07/BRA-Guide-to-Flammable-Refrigerants-Issue-1-Oct-12.pdf).

In...
Forum: Geothermal & Heat Pumps 03-11-16, 06:07 PM
Replies: 1,943
Views: 2,017,845
Posted By Mobile Master Tech
Graphs and images are worthwhile but sometimes...

Graphs and images are worthwhile but sometimes get lost, including some from the earliest pages of this manifesto and my "Don't Waste That Heat" thread. Text doesn't get deleted. I'm not a genius at...
Forum: Introductions 03-04-16, 02:44 PM
Replies: 25
Views: 13,752
Posted By Mobile Master Tech
Yes, the inverter drive units keep up with cold...

Yes, the inverter drive units keep up with cold temps. Most are rated to work down to 0F such as THIS Gree U-Match 24kbtu UNIT (http://www.ecomfort.com/Gree-UMAT24HP230V1AD-S/p56889.html)which...
Forum: Energy Storage 03-03-16, 01:02 PM
Replies: 14
Views: 13,375
Posted By Mobile Master Tech
BBP, thanks for linking to this thread. Nice...

BBP, thanks for linking to this thread. Nice tank!

First, PEX has low thermal conductivity, especially in 3/4" or larger because of the wall thickness. For not much more, you can get 1'...
Forum: Geothermal & Heat Pumps 03-03-16, 08:50 AM
Replies: 1,943
Views: 2,017,845
Posted By Mobile Master Tech
I thought those topics (what refrigerant to put...

I thought those topics (what refrigerant to put in their hacked unit and why, safety issues, understanding equipment reliability limits hackers might be bumping against without realizing it, how to...
Forum: Solar Power 03-02-16, 11:50 PM
Replies: 26
Views: 9,697
Posted By Mobile Master Tech
A 2013 Chevy Volt, loaded, Certified Preowned...

A 2013 Chevy Volt, loaded, Certified Preowned with 50k miles can now be had for $15k. GM was very conservative with their batteries, only using about 65% of capacity and never fully charging or...
Forum: Renovations & New Construction 03-02-16, 09:56 AM
Replies: 588
Views: 366,145
Posted By Mobile Master Tech
I have hydronic floors and A/C too. I wanted the...

I have hydronic floors and A/C too. I wanted the floors to be the heat source for efficiency, comfort and the ability to use solar heat stored geothermally. You can't cool building surfaces for AC...
Forum: Renovations & New Construction 03-01-16, 06:02 PM
Replies: 588
Views: 366,145
Posted By Mobile Master Tech
I understand about the noise, but I don't find...

I understand about the noise, but I don't find mine very obtrusive. I think silicone plumbers grease would lick that problem. If I do or redo any plates with it, I will post.

I found that 2-4ft...
Forum: Solar Power 03-01-16, 05:41 PM
Replies: 26
Views: 9,697
Posted By Mobile Master Tech
One thing to remember about any form of grid-tie:...

One thing to remember about any form of grid-tie: your system has to conform to their specs and inspected to make sure it does, plus it may not save you anything depending on your utility's policy.
...
Forum: Renovations & New Construction 03-01-16, 02:44 PM
Replies: 588
Views: 366,145
Posted By Mobile Master Tech
BBP, yes-weird we have some of the same...

BBP, yes-weird we have some of the same heatsource problems.

Do you have any heat transfer plates on your pex? HUUUUUGE difference compared to staple up/suspended. I call straight staple up...
Forum: Renovations & New Construction 03-01-16, 01:18 PM
Replies: 588
Views: 366,145
Posted By Mobile Master Tech
My Eternal also "foghorns" sometimes, but at it's...

My Eternal also "foghorns" sometimes, but at it's lowest modulation while on, around 26kbtu. Spooky and comical low hoot sound-almost as if the flamefront has resonant pulsation. Ignition is...
Forum: Conservation 03-01-16, 11:17 AM
Replies: 14
Views: 8,730
Posted By Mobile Master Tech
GTO, There will be some efficiency to gain,...

GTO,

There will be some efficiency to gain, but I see a few hurdles.

One, even if your furnaces have combustion blowers, they are still draft furnaces requiring certain flue attributes as...
Forum: Renovations & New Construction 03-01-16, 10:41 AM
Replies: 588
Views: 366,145
Posted By Mobile Master Tech
BBP, His weather forecast shouldn't show...

BBP,

His weather forecast shouldn't show the temp in degrees, instead just the acronym "TDC!"

Of course, you must design for the demand of the building and climate. An awful lot of the...
Forum: Appliances & Gadgets 03-01-16, 10:01 AM
Replies: 9
Views: 4,236
Posted By Mobile Master Tech
I purchased an Eternal GU145S by Grand Hall. Very...

I purchased an Eternal GU145S by Grand Hall. Very efficient in it's sweet spot, but I have had numerous problems I described in other posts. They now have a smaller one that can run on a 1/2" gas...
Forum: Renovations & New Construction 02-24-16, 04:34 PM
Replies: 588
Views: 366,145
Posted By Mobile Master Tech
I've been away a while! Here are some updates and...

I've been away a while! Here are some updates and thoughts after having my system a few years and reading recent posts:

I see a great deal of back and forth over pipe diameter, insulation/radiant...
Forum: Other Improvements 02-24-16, 01:39 PM
Replies: 7
Views: 4,039
Posted By Mobile Master Tech
Here's the obligatory "Soylent Green is People!"...

Here's the obligatory "Soylent Green is People!" reference....:p

I like the bugout bag storage idea.
Forum: Wind Power 06-13-13, 08:53 AM
Replies: 18
Views: 17,537
Posted By Mobile Master Tech
Wax those clear plastic blades with automotive...

Wax those clear plastic blades with automotive wax/protectant like Meguiar's Gold Class to keep them looking like that. Most people don't realize that car wheels and plastic lenses need UV and...
Forum: Geothermal & Heat Pumps 06-09-13, 10:23 PM
Replies: 44
Views: 26,027
Posted By Mobile Master Tech
I know the ejector has to be very precise in...

I know the ejector has to be very precise in order to work, and you gain about 10% efficiency average and sometimes better by eliminating most of the throttling losses you get from a TXV or cap tube....
Forum: Renovations & New Construction 06-05-13, 09:47 PM
Replies: 588
Views: 366,145
Posted By Mobile Master Tech
It's there, just not described as PEX-C on that...

It's there, just not described as PEX-C on that page. The one that lists "electron beam processing" is what I used, and once you click on it the description shows PEX-C (the most environmentally...
Forum: Geothermal & Heat Pumps 06-05-13, 12:08 PM
Replies: 1,943
Views: 2,017,845
Posted By Mobile Master Tech
I'm catching up on my favorite threads, and have...

I'm catching up on my favorite threads, and have a few points and questions.

Concerning flammable refrigerant fire safety, it is a good idea to make your flammable surroundings flameproof....
Forum: Renovations & New Construction 06-04-13, 12:33 AM
Replies: 588
Views: 366,145
Posted By Mobile Master Tech
Been away from the forum a few months-both my...

Been away from the forum a few months-both my daughters married within 6 months of each other, 1 son graduated, the other moved, now grandbaby on the way! Oh, and there's regular life, too! And my...
Forum: Solar Power 05-31-12, 09:14 PM
Replies: 7
Views: 3,526
Posted By Mobile Master Tech
I have found that some battery wholesalers will...

I have found that some battery wholesalers will offer reconditioned or blemished batteries at deep discount. An 8D commercial 12v battery is the largest size commonly used in trucks here (probably in...
Showing results 1 to 25 of 34

 
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