Design / Discussions

What is the best wall design for cold climates?

...designing a wall for cold Canadian temperatures, but I'm unsure where to start. Do you have any design specs? To build a sustainable and energy efficient home i...

Posted by Jeremy Hull Jan. 20, 2021, 10:21 a.m. Concept and design 1 Responses

What is the most efficient passive home design?

...design – any material can be chosen, success is measured by the right amount and proper applications of insulation and a focus on airtightness. Here is an examp...

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

What are your thoughts about incorporating natural ventilation techniques into the heating/cooling/ventilation design of a house?

...design considerations that will help enormously on that front, have a look at the video on the following page- How to design a home for passive heating and co...

Posted by dean c Jan. 18, 2020, 3:51 p.m. Ventilation 1 Responses

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

...designs and manufactures engineered raft slabs (frost-protected shallow foundation slab on grade) . They are available across North America. Where are you locat...

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

How do you design and build a green home on a very small budget?

...design and obtaining building plans, septic plans, permits and such, so you need to be really focused when initially designing to keep costs at a bare minimum. ...

Posted by Paul Squire Nov. 8, 2018, 8:25 p.m. Concept and design 1 Responses

Do you have suggestion for non-toxic closet design company, or materials?

We are renovating a house, and moving in fairly soon. We live in Southern California, and I want to avoid toxic materials, particularly in the bedrooms. Can't ...

Posted by Nicole Lucas Haimes Oct. 11, 2019, 10:51 p.m. Materials and resources 1 Responses

Do you have an engineer directory for slab on grade designers?

Is there a list of engineers we can consult with regarding having our plans modified to a slab on grade (monolithic) foundation as most municipalities would re...

Posted by Paul Giusto Dec. 30, 2019, 8:12 a.m. Slab on Grade 1 Responses

What flooring options work with a passive solar design?

We are currently looking into the passive solar design (newbies) and it appears that a concrete floor with radiant heat will help to hold heat within the house...

Posted by Christopher Dunn Feb. 23, 2020, 11:50 a.m. Passive solar home design 1 Responses

Can you provide Crawlspace Insulation Design Assistance?

Be warned; this is a long post! Apologies in advance. I live in the colder climate of western Massachusetts in an 1830s vintage home. We have a 4'6" crawlspa...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses

Where do I start to build a small, affordable, low-maintenance house?

...designed by an engineer and build it yourself (with your army of helpers) Keep in mind, depending on site conditions an soft costs such as engineering and perm...

Posted by Ocean-Lynn Georgelin Oct. 22, 2019, 11:40 p.m. Concept and design 2 Responses

Where would I go for guidance on structural design of footings that sit on top of high-density insulation?

I'm not concerned with the compression issue, but rather how the lateral (shear) loads get transferred from the concrete footing into the soil, via the insulat...

Posted by Douglas Bennion July 31, 2019, 4:34 p.m. Foundations and Basements 1 Responses

How can we get a pre fab solar home in Prince Edward Island?

...design that fits with Island architecture rather than a cube modern design Our prefab houses are available across Canada and the US. on this page you can see EC...

Posted by Phil Ferraro Feb. 15, 2021, 3:27 p.m. Architecture and plan design 1 Responses

How do I find a Passivhaus designer to create a set of plans?

...design established, but need someone to spec insulation/rvalues and complete a set of plans To find a Passive House designer near you, I would first check on th...

Posted by tony wolff Feb. 23, 2021, 10:20 p.m. How to Find Qualified Green Building Professionals 1 Responses

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

...design. I live in a condo and would like to put something on the walls inside to keep the heat mostly outside. There are not a lot of passive heating and coolin...

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

Heco topix screws - which type should be used for attaching insulation outside a house?

Attaching battens through 4" EPS foam external insulation, should Therm Insulation or Stainless screws be used? Is it necessary to have the double thread desig...

Posted by Mike Taylor April 7, 2020, 4:45 p.m. Materials and resources 2 Responses

What is the best way to insulate a Metal structure from the Inside?

...design passed title 24 here in CA, and stressing I'll have a bad design that won't pass 3rd party verification. Thanks so much for any help. Switching to closed...

Posted by Jacky Surber May 2, 2021, 4:09 a.m. Insulation and soundproofing 2 Responses

How do you stop air leaks in an old 1950's house?

...design of house. Air leakage through walls and ceilings is responsible for a large percentage of the heat loss and energy costs of a home, it is wise of you to ...

Posted by Don Fraser Sept. 3, 2021, 3:22 p.m. Air and vapour barriers 1 Responses

If a passive house is designed well is it worth the extra cost for Low E window coatings?

Assuming the windows are appropriately facing south and the entire design is sound with thermal mass and good overhangs would double or triple glaze Argon fill...

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