High performance / Guides

Concrete, wood and steel structures compared - Timber Frame wins!
Materials and resources

How wood structures compare to steel and concrete for Carbon Footprint

...performance is very high and its compressive strength is similar to that of concrete. Given the variety of lumber products and dimensions available (including 2x4 and 2x6 stud walls, post and beam and laminated timber ), wood offers an excellent flexibility in architectural design. While it is found mostly in the r...

Tesla Solar Roof shingles
Solar photovoltaic

The Tesla Solar Roof: we love the hype, but we'd like to see some actual facts.

...performance of existing batteries and shortly afterwards it was quietly discontinued. It has since been replaced by the higher capacity Powerwall 2 . What we like about Tesla's Solar Roof: Solar Roof © Tesla Almost all solar panels are silica based, Tesla shingles are quartz based, which makes them more eff...

The passive solar home in Lac Kenogami, Quebec
Passive solar home design

Ecohome design wins House of the Year Award from Green Builder® Magazine

...high performance design and technology, called "The Most Resilient House in North America" by Alex Wilson, founder of the Resilient Design Institute. The PSI program is the brainchild of our Energy Efficiency Coordinator Denis Boyer who set out to find the ultimate building envelope for one specific climate. The Nort...

Solar thermal collectors

Product of the month: Solar water heater with overheating protection

...high-temperature and high-pressure environment. Flat plate solar collectors can reach temperatures as high as 200°C (395°F), and evacuated-tube collectors can reach temperatures as high as 295°C (563°F). It is important to be aware that solar glycol will begin to break down when temperatures exceed 150-200°C for long...

4th generation blowing agents for spray foam
Insulation and soundproofing

New HFO blowing agents for spray foam will make it over 1,000 times less harmful to the climate

...highly reactive in the atmosphere, giving them a very short life - which is why they have such a small impact as a greenhouse gas. The GWP of HFC blowing agents was as high as 1,430, the GWP of the new HFO blowing agents is 1. You don't need to be a mathematician to know that's a pretty impressive improvement, and un...

Product of the month: Aquion’s Aqueous Hybrid Ion saltwater home batte
Renewable energy

Aquion’s saltwater home battery

...high demand for dwindling global resources. Lithium, for example, is in very high demand for high-tech products and there is long-term concern about available resources given our culture of embracing our personal devices. Conversely, there is no foreseeable shortage of saltwater on the horizon; in fact, over most of ...

Building science for LEED v4 wall design made easy
Concept and design

Building science for LEED v4 wall design made easy - video

...performance isn't always high on the radar of home buyers, builders make more money that way, but leave homeowners with unnecessarily high heating bills for the rest of their lives. In contrast, a hyper-insulated house will save occupants a lot of money over its lifetime, but even on the short term can actually be ch...

Heat Recovery Ventilation - Lunos video

Lunos ductless air exchanger

...Higher quality filters are available (MERV 9-10), which can prevent pollen and dust from contaminating indoor air. Energy efficiency : The system has a high heat recovery, and performance is not dependant on the quality of duct installation. Operational cost: The energy required to operate the fan is very low (0.11...

Building a Passive House that's LEED Certified too - an Owner's Tale
Passive House

An owner/builder's account of building a Passive House

...high-performance windows . Achieving airtightness requires the use of some fairly high-tech materials but the result is a house that uses next to no energy. Passive House framing details © Construction Rocket Inc. PHI vs. PHIUS Passive House Certification PHI (Germany’s Passive House Institute) and PHIUS (Pas...

Dirrtt Environmental Solutions, Green Wall
Lifestyle and environment

Green Business Certification Inc. and Canada Green Building Council Join Together to Advance the WELL Building Standard

...high-performance building development. To learn more about the WELL Building Standard, visit WELLcertified.com . Green Business Certification Inc. (GBCI) is a third-party organization that provides independent oversight of professional credentialing and project certification programs related to green building. GBCI...

Students at New Frontiers School Board to build LEED home to be donate
LEED Homes

Quebec carpentry students to build LEED house for Habitat for Humanity

...high performance wall systems , teachers at the New Frontiers School Board in Ormstown, QC have settled on a building envelope that will outperform houses built to code by a factor of almost 3. The school will be releasing videos following the progress of this first of its kind project, check out episode 1. As the ...