Passive House walls / Discussions

What is the right amount of insulation for a house?

...passive solar orientated house with double walls or Larson truss (either would have dense pack cellulose) on a slab foundation with radiant in floor heat. I saw...

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

Is hydronic slab heat appropriate in a super insulated home?

...house which was the first LEED V4 in Canada and it also met Passive House performance requirements even though it we didn’t seek certification. We used the hous...

Posted by Andrew Wright Feb. 3, 2021, 3:26 p.m. Delivery: radiant, forced-air and decentralized 1 Responses

What are the factors I should consider for choosing between a slab on grade and basement?

...passive house standards, although not interested in certifying it. We are trying to decide between having a basement vs. a slab. The house will be around 3000 f...

Posted by Shaun B April 2, 2019, 6:35 a.m. Slab on Grade 3 Responses

Can you create a passive wine cellar by insulating and air sealing a crawl space?

...house interior. The ceiling will be under the front porch and steps. Some walls will be exterior walls, and the other walls will be adjacent to the wine cellar....

Posted by JC Wong April 2, 2021, 6:50 p.m. Crawl spaces 5 Responses

What is the most efficient passive home design?

...Passive House wall, if your intention is to reduce your carbon footprint, starts with choosing materials with low-embodied energy. Different insulation material...

Posted by Peter Riley Jan. 29, 2020, 9:01 p.m. Passive House 1 Responses

Are Insulated Concrete Forms and Gigacrete panels good?

...Passive House. I'm aslo planning to build a house, not necessarily up to passive house standards, but as green as economically possible. For the exterior wal...

Posted by Dallin Sumpter Feb. 21, 2019, 2:46 a.m. Wall assemblies - new construction 5 Responses

How do you keep concrete house walls from getting too hot in hot climates?

...walls inside to keep the heat mostly outside. There are not a lot of passive heating and cooling solutions that we can recommend once the house is already built...

Posted by Florence A. Hawkins May 14, 2021, 7:05 a.m. Passive solar home design 1 Responses

What is your experience and thoughts on pre-fab wall assemblies?

...houses for sure, especially those that meet LEED or Passive house performance levels . As for the one that you mentioned, nothing stands out as being particul...

Posted by Shaun B Nov. 12, 2019, 4:16 p.m. Wall assemblies - new construction 2 Responses

What is the best way to stop thermal bridging between my ICF walls and my footing?

...Passive House Certified Thermalwall insulation panels designed to improve the R value and efficiency of ICF walls. Another weak spot is the door thresholds, so ...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 1 Responses

What type of insulation should I put on the exterior of my new home?

...house in terms of reducing energy consumption and greenhouse gas emissions, a better-insulated house will save you money and the payback period or ‘return on in...

Posted by Alex Kesheshian April 23, 2020, 12:22 a.m. Wall assemblies - new construction 1 Responses

What is the perfect wall assembly?

...walls and roof of our latest demo house, the S1600 LEED Platinum Prefab kit house . As for how to mount exterior rigid insulation, there are ways that employ ...

Posted by Paul Drouin Sept. 17, 2020, 6:29 a.m. Wall assemblies - new construction 1 Responses

Can you mount heavy objects to a Passive House Larsen truss wall?

...Passive House so other readers can understand it better - How to Build Double-Stud Larsen Truss Walls, Renovation & New Homes So a couple of questions would...

Posted by Jay Stevenson July 3, 2020, 2:42 p.m. Wall assemblies - renovation 1 Responses

Can you preheat ERV inlet air?

...Passive House builds where the design phase includes trying to save every watt of energy possible. On the down side, there have been cases where people have s...

Posted by A O April 6, 2020, 12:16 p.m. Ground-coupled heat exchanger 2 Responses

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

...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 ? Thank you ...

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

What is the cost of a Net Zero House?

...passive house specialized in prefab panels & they're based of the pemberton. Passive homes are a great base for becoming net zero ready so I'd probably recommme...

Posted by SD Holman May 19, 2018, 3:14 p.m. Off-grid and Net-Zero Housing 4 Responses

What is a thermal break solution at a door threshold?

...Passive House slabs, and I honestly don’t know of any other commercially available product. Sorry about that Shaun! I'm a little surprised that a solution isn't...

Posted by Shaun B Sept. 13, 2020, 6:31 a.m. Slab on Grade 2 Responses

When using larsen trussees, what is the maximum spacing between TJIs

...walls is an excellent way to insulate an older home or a brand new home, and even meet Passive House standards. Here is a page on Larsen Truss installation - ...

Posted by steve outlet March 6, 2020, 12:39 a.m. Wall assemblies - renovation 3 Responses

What are the options for adding Exterior Roof Insulation?

...passive house level and have been looking at the ThermalWall panels for the walls. The current metal roof is likely still just fine, so trying to decide if addi...

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