Design / Discussions

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

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

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

How would I detail the connection between the wall and floating slab?

Hello all, I am an architectural designer who, personally, love slab on grades. However, one big worry I often have is water damage at the base of the wall. ...

Posted by Brendon Fraser July 17, 2020, 1:24 p.m. Slab on Grade 2 Responses

Can a solar thermal air system be coupled to an HRV for heating incoming fresh air?

...design that could be very helpful as a "heat storage battery". I think I would set it inside a well insulated outdoor containment box. It would have heat transf...

Posted by Brian Billings March 21, 2019, 2:53 p.m. Solar thermal collectors 1 Responses

Where can I buy green home building plans and blue prints?

...design services for a fee, so you can make modifications to suit your lifestyle. Smaller homes are more eco-friendly simply from the point of using less materia...

Posted by Moyra Francis Oct. 25, 2019, 5:55 p.m. Concept and design 2 Responses

Do you recommend ERV or HRV system in mild climates or can do away with them?

...design. 1) Do you recommend installing one? 2) If so, any tips on how to go about it? or particular brands/systems you'd recommend? We always recommend installi...

Posted by Babak K Aug. 1, 2020, 7:12 p.m. HRV and ERV 1 Responses

Can these be built in California or Washington?

Looking for info on builders on the west coast. Hi Steven, Just confirming - you're asking if our prefab kit houses are available in Washington and California?...

Posted by Steven J July 4, 2020, 10:24 p.m. Architecture and plan design 1 Responses

What is your advice on exterior wall insulation for a tiny home?

...design ideas and inspiration, but also learn the possible draw backs on this page – Are Tiny Houses Good for the Environment? Here is a Tiny house designed ...

Posted by Mitch Fowler Aug. 27, 2020, 7:04 p.m. Tiny house 1 Responses