Thermal solar / Discussions

How do you calculate window height and location for passive solar heating?

...thermal mass walls. I.e if the sun only reaches 2 metres into the living space, then is there a point in placing thermal mass 5 metres into the living space ? ...

Posted by Daniel Gardener Sept. 12, 2019, 8:54 a.m. Passive solar home design 1 Responses

how do I find a window/glass vendor who really understands passive solar houses?

...solar homes. Thanks. Choosing windows carefully is a very important part of passive solar heating. But it has not been our experience that all window manufactur...

Posted by Brigid O'Connor Oct. 23, 2021, 8:55 p.m. Passive solar home design 1 Responses

What is the best way to heat an off grid home?

...solar-heated air panels feeding air tubes in the slab floor. Solar air heating panels are a lot less hassle and risk than solar water heating panels, and a lot ...

Posted by Michelle Nason Aug. 8, 2018, 1:48 p.m. Off-grid and Net-Zero Housing 3 Responses

Do the window walls make it cold in winter?

...solar home design The impact on windows in your home goes beyond energy efficiency as it impacts human comfort. The interior glazed surface of double pane win...

Posted by Robert Dalgleish Oct. 24, 2021, 1:49 p.m. Passive solar home design 1 Responses

Is it possible to connect greenhouse with the building?

...thermal barrier (less heat in summer, more in winter) and some space to grow plants like tomatoes or herbs. I have read your articles about greenhouses and sola...

Posted by Julia Jedrys March 31, 2020, 6:47 p.m. Greenhouses and Sunrooms / Solariums 1 Responses

Can you jack up a cottage and build a slab on grade underneath it?

...thermal battery. For something to act as thermal mass and store heat, it needs to be separated thermally from the ground. Unless you plan to insulate underneath...

Posted by William Rae June 6, 2021, 12:23 p.m. Slab on Grade 3 Responses

Can I see details about the heating and domestic hot water systems of the Edelweiss house?

...solar thermal to be really efficient year round. (James Bererton, P. Eng., Eta Energy Solutions) In our case the primary heating system of this house is the sun...

Posted by August Wehrmann March 10, 2019, 9:26 a.m. Heat pumps, geothermal and AC 3 Responses

What infloor radiant heating would you use in a corewood home design?

...solar thermal air heating panels. Here are videos on both of those installations. Ecohome’s new demo house will be a slab on grade with Solar radiant floor he...

Posted by John Yoho Feb. 6, 2020, 10:59 p.m. Wall assemblies - new construction 1 Responses

How do you build an air heated concrete slab?

...thermal) mass is below the airspace or between the airspace and the tile? Thanks for any advice you may have!

Posted by Matt Wisniewski Dec. 27, 2020, 6:27 p.m. Passive solar home design 0 Responses

What are the options for adding Exterior Roof Insulation?

...solar panels and putting them back down). Thanks! The process of dissasembling a metal roof and solar panels then re-installing them is no small affair, so just...

Posted by Marlo Raynolds Aug. 29, 2020, 9:19 p.m. Roof assemblies - renovation 4 Responses

In your Edelweiss house you use 2x6 studs. Why not use 2x4 studs and add 2" rigid on the inside?

...solar gain in mind, we have no regrets. Great question to bring up, thanks!

Posted by Tom Wagar Aug. 25, 2019, 3:40 p.m. Wall assemblies - new construction 1 Responses

Is there an update on your demo house solar air heater?

...solar air heating panels and deliver the same amount of BTUs for the same price. Thermal solar air heating panels such as this are really low tech; you are talk...

Posted by dean c Oct. 24, 2020, 2 p.m. Concept and design 2 Responses

Can you elevate a slab on grade foundation?

...solar homes , where you can see how we raised the level of the slab with clean compactible fill, exactly as you would need to do. You could go with a footing ...

Posted by Raoul Lions July 27, 2019, 2:47 p.m. Slab on Grade 4 Responses

How do you choose between a basement or slab on grade?

...solar air floor as your basement floor? Any advice would be greatly appreciated, thanks so much! We prefer a slab on grade over a basement for a bunch of re...

Posted by A. Delmas May 21, 2020, 8:59 p.m. Foundation choices 1 Responses

What is the best heating and cooling system for a slab on grade home?

...thermal comfort and performance – How to design a home for thermal comfort If you are talking about a two-story house then you would need supplementary heat...

Posted by Matthew Gioia July 7, 2020, 11:03 p.m. Heating and cooling 3 Responses

What is the right amount of insulation for a house?

I'm looking to build a small single level passive solar orientated house with double walls or Larson truss (either would have dense pack cellulose) on a slab f...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

Should I build a basement or slab on grade?

...thermal company I spoke to practically laughed at the idea we are building on a slab. Hey Matthew, Where are you building, and how big? Geothermal is a costly b...

Posted by robert baker March 27, 2020, 6:54 p.m. New foundations and slab-on-grade 9 Responses

Does hydronic radiant cooling work?

...thermal mass inside the home, so if you invest in a very efficient wall assembly and airtight building envelope, you can often wait out a heat wave (at least on...

Posted by dean c April 30, 2019, 8:01 p.m. Delivery: radiant, forced-air and decentralized 1 Responses