Passive heating and cooling / Posts

should I use an air source heat pump in a Passive House?

Iam looking to install ASHP ,HRV, UFH in slab, arin harvester , log burner, do I need all this or can I do without ASHP? Or can you advise me on a better syste...

Posted by Iain cunningham March 27, 2019, 9:31 p.m. Heating and cooling 0 Responses

hydronic radiant cooling

...and put you at risk of mould and mildew forming. Even in the appropriate climate it is a fairly complicated system and needs to be carefully designed, and it ...

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

If a passive house is designed well is it worth the extra cost for Low E (High solar gain) coatings?

...and help reflect heat back out in the summer. So it will save on heating and cooling costs, and if you don’t use air conditioning then it will lead to greater i...

Posted by Joe Van Kuren June 7, 2019, 8:37 p.m. Passive solar home design 1 Responses

Are there any updates on the progress of the second demonstration house?

...and not expected to be finished for a couple more months. There have been Legalett air-heated floors across Canada and the U.S. since the mid-70s, and even long...

Posted by dean c April 30, 2019, 7:58 p.m. Solar thermal collectors 2 Responses

Do I need ceiling fans if I have an HRV?

...and efficient way to provide a cooling sensation. Here is a short video on ceiling fans , they are an integral part of the heating and cooling strategy of our E...

Posted by S McIntyre April 2, 2019, 10:01 p.m. Ventilation 1 Responses

The Kenogami House heating system

...heating. My understanding was that the unheated water in the tubing would absorb excess heat from the areas of the house that received direct sun, and collected...

Posted by dean c March 22, 2019, 3:46 p.m. Passive solar home design 1 Responses

The Kenogami house costs

...and extreme passive heating. The house is certified LEED Platinum but also meets Passive House levels of performance (and then some), but it does go beyond wh...

Posted by dean c March 22, 2019, 3:58 p.m. Planning and Design 1 Responses

In solar passive design, is it possible to calculate how far back into the home the winter sun will penetrate ?

...and like window size, where it will be in the wall and the height and length of your overhang, and the exact angle of the sun. And while you may pick up a few...

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

What is the right amount of insulation?

...passively heated Edelweiss Demonstration house that covers the basic principles of passive heating and cooling concept and design. Hi, thanks for the response. ...

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

HRV/ERV systems and ground loops (earth tubes)

...heating or cooling coil is present, you are simply running a fan, and a heat exchange takes place in the core. Read more about that here. To soup that up a li...

Posted by Lee Watt July 10, 2018, 12:43 a.m. HRV and ERV 1 Responses

Why do you say building on a slab is more ecological than starting with a basement?

...and extremely durable floor with very low maintenance. At grade level, a slab floor can also act as an excellent heat sink for passive heating and cooling, if...

Posted by Anonymous Dec. 11, 2017, 11:45 a.m. Foundations and Basements 1 Responses
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