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Search: Posts Made By: michael
Forum: Geothermal & Heat Pumps 12-18-13, 12:27 AM
Replies: 1,942
Views: 1,661,211
Posted By michael
I thought this was an interesting site dealing...

I thought this was an interesting site dealing with heat pumps, alternative energy inputs and heat distribution. The site, which is pushing products, has some good design information, but the...
Forum: Renovations & New Construction 12-18-13, 12:19 AM
Replies: 588
Views: 273,461
Posted By michael
Hi Exeric...is this you being more direct and...

Hi Exeric...is this you being more direct and asking? I'm sorry to seem dense, but what were my assumptions about the flat reflective barriers? mm
Forum: Renovations & New Construction 12-15-13, 05:25 PM
Replies: 588
Views: 273,461
Posted By michael
Just one more thing about reflective insulation: ...

Just one more thing about reflective insulation: Based on my reading of the Wikipedia article on multi-layered reflective insulation and a look at many reflective products that are for sale, it...
Forum: Renovations & New Construction 12-15-13, 01:06 AM
Replies: 588
Views: 273,461
Posted By michael
Thanks for the comment, AC. We poured the...

Thanks for the comment, AC. We poured the concrete floor two days ago, but because everything was coming thick and fast, I was unable to take a second to grab a camera and was caught unprepared. ...
Forum: Renovations & New Construction 12-09-13, 11:17 PM
Replies: 588
Views: 273,461
Posted By michael
Hi Berniebenz, I think you can figure it out! mm

Hi Berniebenz, I think you can figure it out! mm
Forum: Renovations & New Construction 12-09-13, 10:26 PM
Replies: 588
Views: 273,461
Posted By michael
Here are a couple of conflicting quotes from...

Here are a couple of conflicting quotes from Wikipedia in the article titled "Radiant Energy":

"Radiant energy is one of the mechanisms by which energy can enter or leave an open system. Such a...
Forum: Renovations & New Construction 12-09-13, 10:20 PM
Replies: 588
Views: 273,461
Posted By michael
It's pretty enjoyable reading the under-floor...

It's pretty enjoyable reading the under-floor insulation scuffle; lots of good thoughts there, and I'll take them to heart. Today we finished installing all the PEX tubing, and we'll pour the...
Forum: Renovations & New Construction 12-08-13, 07:44 PM
Replies: 588
Views: 273,461
Posted By michael
Referring to the original question: can someone...

Referring to the original question: can someone explain what the terms "part load" vs. "full load" mean with regard to heat pump performance? I've been reading a PDF from roth-usa.com on their RWT...
Forum: Renovations & New Construction 12-07-13, 11:21 AM
Replies: 588
Views: 273,461
Posted By michael
QUOTE=AC_Hacker michael, I came across an...

QUOTE=AC_Hacker michael, I came across an interesting article, discussing, "How Much Insulation Is Enough? (http://www2.buildinggreen.com/blogs/how-much-insulation-enough)"

Good link...thanks. I...
Forum: Renovations & New Construction 12-06-13, 11:53 PM
Replies: 588
Views: 273,461
Posted By michael
Thanks...the cable ties will look cute coming up...

Thanks...the cable ties will look cute coming up between the tiles, don't you think?

Check out: Multi-layer insulation - Wikipedia, the free encyclopedia...
Forum: Renovations & New Construction 12-06-13, 07:24 PM
Replies: 588
Views: 273,461
Posted By michael
I've been reading up on that subject. As long as...

I've been reading up on that subject. As long as it's a miltilayer product, it will insulate. Some of the multilayer insulation blankets used in the space program have only hundredths of an inch...
Forum: Renovations & New Construction 12-06-13, 07:13 PM
Replies: 588
Views: 273,461
Posted By michael
Got me! In our residence, there is no heat in...

Got me! In our residence, there is no heat in the bedrooms, and sometimes I get a little grief about that if we've forgotten to leave the doors open in cold weather, so in this house I'm going to...
Forum: Renovations & New Construction 12-05-13, 11:51 PM
Replies: 588
Views: 273,461
Posted By michael
PEX installation

Starting the PEX layout today. Hope to finish tomorrow or the weekend and cover it with concrete on Monday or Tuesday. It will be a great relief to get this phase finished with rain on its way.
...
Forum: Renovations & New Construction 12-04-13, 08:53 PM
Replies: 588
Views: 273,461
Posted By michael
[QUOTE=AC_Hacker;33733] Well, it's less like...

[QUOTE=AC_Hacker;33733] Well, it's less like cooking from scratch than it is like cooking from prepared ingredients, since we start with a used air conditioner or de-humidifier, and the compressor...
Forum: Renovations & New Construction 12-04-13, 10:53 AM
Replies: 588
Views: 273,461
Posted By michael
No problem. I sent an email off to the company...

No problem. I sent an email off to the company in hopes of getting an explanation. Also, regarding an earlier reply, I understand the sinusoidal aspect of daily weather as well as the slower...
Forum: Renovations & New Construction 12-03-13, 09:05 PM
Replies: 588
Views: 273,461
Posted By michael
http://www.roth-usa.com/PDF_Download_Files/Roth%20...

http://www.roth-usa.com/PDF_Download_Files/Roth%20RWT%20Series%20EDIM.pdf

Page 4, for example.

House insulation: R-19 floor and walls, R-40+ ceiling all fiber glass batt. Windows will be...
Forum: Renovations & New Construction 12-03-13, 06:02 PM
Replies: 588
Views: 273,461
Posted By michael
Originally Posted by AC_Hacker "I talked with...

Originally Posted by AC_Hacker
"I talked with a local hydronic guy who told me that around here, feed water temperatures are:
80 to 85 degrees for tube in slab
100 to 110 for on top of floor...
Forum: Renovations & New Construction 11-21-13, 11:53 PM
Replies: 588
Views: 273,461
Posted By michael
Thanks, AC, for taking the time to post the reply...

Thanks, AC, for taking the time to post the reply above. Using Ukiah is close, but we're really near the coast at less than a mile from the ocean four or five steps up what folks around here call...
Forum: Renovations & New Construction 11-21-13, 01:12 AM
Replies: 588
Views: 273,461
Posted By michael
Zip code 95460. The house has energy compliance...

Zip code 95460. The house has energy compliance heat loss calculations to predict how it's supposed to perform. They were part of the permitting process, and they predict 17k BTU/hr loss in the...
Forum: Renovations & New Construction 11-20-13, 11:16 PM
Replies: 588
Views: 273,461
Posted By michael
Checking in after a long absence. I'm working on...

Checking in after a long absence. I'm working on a new house (1200 SF). The plywood subfloor is installed, and I'm just beginning work on the radiant system which will be in a 2" concrete slab. ...
Forum: Geothermal & Heat Pumps 09-01-13, 04:25 PM
Replies: 1,942
Views: 1,661,211
Posted By michael
This is a case of cowboy engineering, but it...

This is a case of cowboy engineering, but it seems to me turbulence would be a natural outcome of the "slinky" arrangement of source tubing as opposed to straight tubes.
Forum: Geothermal & Heat Pumps 08-31-13, 04:21 PM
Replies: 4
Views: 2,447
Posted By michael
Heat pump plus comprehensive plan

Attached is a sketch of a comprehensive plan for space and water heating for both my current house and another smaller house I'm in the early stages of constructing. In our house we have the...
Forum: Conservation 07-08-13, 09:47 PM
Replies: 5
Views: 3,750
Posted By michael
Thanks, AC, for the information you provided. I...

Thanks, AC, for the information you provided. I have quite a number of those same sensors purchased, perhaps, from the same source. I will look into Travis’ logger board. It’s somewhat less...
Forum: Conservation 07-03-13, 08:20 PM
Replies: 5
Views: 3,750
Posted By michael
Have you any further data? Will you post the...

Have you any further data? Will you post the source of the one wire sensors? What sort of microcontroller are you using? Did you construct the data collecting set up from parts, and if so will you...
Forum: Renovations & New Construction 04-28-13, 02:28 PM
Replies: 588
Views: 273,461
Posted By michael
Radiant Heating Technologies...

Radiant Heating Technologies (http://www.rhtnow.com/Manifolds.html)

I suppose everyone here has already seen these manifolds, but I just stumbled across them, and I'm impressed. It's everything I...
Showing results 1 to 25 of 67

 
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