What is the most energy efficient wall / Guides

Off grid, passively heated and cooled house in the Gatineau Hills, Que
Off-grid and Net-Zero Housing

Off grid and passively heated, this house in Low, Quebec is aiming for LEED certification

...the heat loss of a home and the greatest risk for moisture damage inside walls. The insulating value of the wall adds up to R48.8 in total, which is about twi...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...What is the most durable wall? What is the most energy efficient wall? What is the most soundproof wall? What is the most affordable wall? That is just ...

Built to ENDURE: the Net Zero Heat Kenogami House
Efficient home design

The Kenogami House: designed to ENDURE

...the movement of moisture. What is often omitted from the equation that determines the overall efficiency of a building is the embodied energy of the materials...

Energy modeling simulation of heat loss through thermal bridging
Efficient home design

What is a thermal bridge and why is it so important to break it?

...the thermal bridges caused by framing materials and any discontinuities in the wall structure, you can also quickly deduce that this is not the case. It doesn...

Dense-packed cellulose wall insulation
Wall assemblies - new construction

Dense-packed cellulose insulation wall systems

...is recommended to use a semi-permeable retarder on the inside of the wall rather than the traditional 6 mil poly, to allow walls to also dry inwards. This is es...

Blower Door Tests - What's the Cost & Who Does Them?
Air and vapour barriers

What is a blower door test? What's the cost? How do you find a company to do one?

...the hole and tape it’ party. This is particularly beneficial with new home construction before the drywall is on, since you can feel the air coming in with your...

BC Energy Step Codes - Builder Design Guide &  Requirements explained
Building codes

The new BC energy step code: builder design guide & requirements explained - Vancouver

...The new BC Energy Step Code - The details The BC Energy Step Code is a new provincial standard intended to provide an incremental approach to achieving more e...

Tips for finding a reliable green home builder
How to Find Qualified Green Building Professionals

How to choose a home-building contractor

...What do you do to avoid thermal bridging in walls? What are your preferred types of insulation? Which type of wall assembly do you recommend? What is the ...

Passively-heated off-grid LEED house in Low, Quebec
Off-grid and Net-Zero Housing

Off-grid living blog: a firsthand account of building and living in a remote area

...is 2x8 wall is the polyethylene air/vapour barrier. Inside of that is a 2x4 utility wall, holding all of the electrical, plumbing, and data cabling. This wall i...

The birthplace of Passive House solar home design The Saskatchewan Conservation
Passive solar home design

Saskatchewan: The birthplace of Passive House and passive solar home design

...efficient house is not worth the long term savings. Despite the fact that this has been disproven, the myth persists. The reality is that the added cost for a...

How to choose Triple pane, high performance windows
Windows and doors

The best tips for buying windows

...the wall framing via the window frame. This can be best achieved by centering windows in the wall rather than having them flush to the outside as we most common...