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6 Answers

Which point-of-use tankless water heater should I get?

I live in Cambridge Massachusetts. I need a point-of-use tankless water heater for 1 bathroom sink. I will use the hot water for about 5 minutes at a time. What is the correct size? Can you recommend a brand?

Asked By Eve Schlapik | Jun 9 14
7 Answers

Outdoor catalytic wood stove: smoke reduction devices

Hi all,

We have an outdoor catalytic wood stove with an 8-inch pipe, and our neighbors want us to cut down the amount of smoke. It sometimes drifts over in their direction... We live in the Northeast US and it's starting to get cold around here!

We found this Catalytic Add-on Stove Damper online:

Asked By Alex Forbes | Oct 13 14
18 Answers

Windows for my Pretty Good House

Hi all

Another question for the experts here at GBA--this time about what windows I should install in my Pretty Good House (PGA). I've written here before about this house and you can likely find the threads of previous questions. Basically, we're building a single level, 1700 sf house in Hood River, OR and we're trying to meet PGA and passive solar "standards". Currently, we're trying to decide what windows to put in this house, and the candidates are:

Marvin Integrity
Milgard Ultra
Intus Arcarde or Eforte

Asked By Matt Mesa | Sep 29 14
3 Answers

Vapor barriers & mold

I live in a rural area (95415) without attic , only some walls with R13 insulation.

I am considering NSF certified elastomeric paint to cover shingles for the purpose of collecting rainwater for potable uses. It serves to cover toxic shingles, acts as a cool roof as well as a vapor barrier.

I am also planning on 2-3 coats of latex paint for the interior walls and ceilings of the kitchen and bathroom. This should also act as a vapor barrier.

I'm wondering if any building science folks might comment on the potential for mold potential between 2 vapor barriers.

Asked By Laura Diamondstone | Oct 2 14
5 Answers

LED GU24 base bulbs

I plan to buy new lighting with GU24 2-pin sockets for my kitchen renovation. But I'm noticing many more choices of LED lights with the regular twist on base now. Will the LED GU24 base bulbs continue to have a poor pool of choices while the LED twist on consumer choices will grow? Basically I will always use LED, but I want to have the option of "nice looking" bulbs too.

Asked By Kelly Proctor | Oct 1 14
10 Answers

Has anyone worked with ISO from Insulation Depot?

Was wondering about experiences purchasing re-claimed insulation from the Depot. I can get a truckload of 3" full sheets of ISO. Will I need to cut new edges and will it be full of holes? They're finishing a job in Chicago the the price for shipping to Appleton, WI is good.

Asked By Paul Kuenn | Mar 27 14
7 Answers

Insulation — basement rim joist


I want to insulate the rim joists of an old home. I have caulked the joists due to openings in the wood from age. I don't want to use rigid board/spray foam. I was going to use batt insulation (unfinished basement), but wonder if there is something that is not toxic or contains fiberglass, etc.. something i can cut and shove in the openings and just leave it there. I don't plan on using any plastic, vapor barriers, etc..


Asked By Dave Mac | Sep 23 14
3 Answers

Seeking underlayment material for exterior wall shingles.

I own a home built in 1965. It has cedar shingles as the exterior wall surface. I will be rebuilding a section of one wall as part of a project to replace a rotted window.

The problem is that the original construction includes a material that I can't find, and I'm not sure what could be used as a substitute.

Asked By Don Boettger | Sep 18 14
11 Answers

Doors: blowing agents and thermal bridging of multi-point locks

I've been shopping for doors, and mostly looking at foam-filled fiberglass in order to get a decent R-value. Most are polyurethane (PU) foam, and I'm guessing that they use HFC if not HCFC blowing agents. I'm not thrilled by the global warming impact of those. But it seems very difficult to find any information on what blowing agents they use.

Asked By Charlie Sullivan | Sep 4 14
15 Answers

Bio Ethanol Fireplaces

We have a client that is intereted in the use of a Bio Ethanol Fireplace. I am a abit concerened on storing the fuel and the requirement by the manufacture of leaving a window open when using?

Asked By Steve Theis | Sep 15 10
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