Building envelope / Guides

Hemp insulation products for USA & Canada rolling off the production line
Insulation and soundproofing

Hemp insulation in Canada & USA - insulating naturally is an Eco-friendly alternative

...building materials is growing rapidly among individual builders, as well as architects and general contractors, and the demand is coming from all across Canada & USA " See all about Hemp Building Materials here in the EcoHome Green Building Guides

Green building certifications

Powerhouse: the new standard for positive energy design

...building standard that originated in Norway, one that certifies buildings that produce more energy over their lifetime than they will use. There are already many positive-production buildings with corresponding standards, but a Powerhouse certified building goes beyond energy performance and generation to include the f...

Resilient Homes, why they're important in dealing with Climate Change
Lifestyle and environment

Resilient Homes; Why we need to build to withstand climate change events

...building certification programs such as Passive House and LEED are a great start, but some other programs that may be on the fringe at the moment like Powerhouse Positive Energy Buildings , Living Building Challenge (LBC) rating or Net Zero Energy or ZNE labelled homes are the future for efficient & resilient construct...

How much is Too Much Insulation in my Attic or Walls?
Insulation and soundproofing

How much insulation is too much in attics and walls?

...Building Code for what it really is – the bottom rung of performance that must be achieved when building or renovating a home. In other words, it’s the worst house any builder is legally allowed to build. How’s that for some perspective on what building to code really means? Is insulating a building to code good enou...

LEED Platinum home certification FAQ
LEED Homes

LEED Certification for Homes - Frequently Asked Questions

...building, you can search for environmental consultants specializing in residential building. The Ecohome website also has a free green home building guide that will offer information on sustainable building products and techniques, and we offer green building courses as well. Are there any special mortgage or insuran...

Passive solar heating & cooling in Homes has a long history in USA
Passive solar home design

Passive house and passive solar - free heat for homes

...building, making that building better. See more about Passive Solar House Design here , to read more details about Passive House Certification & Design in North America see here , or for specifics about differences between PHIUS & PHI certification for Passive House see here , from the EcoHome Green Building Guides -...

The Top Twelve Green Building Trends for 2020
Planning and Design

Find out what's trending in 2020 for Green Home Construction

...building. Using this tool builds on the adoption of BIM or building information modeling, which is another associated construction industry trend that will carry over into 2020. BIM is a way of representing buildings, roads, and utilities through computer-generated images to help contractors visualize a construction ...

Heat Recovery Ventilation - Lunos video
HRV and ERV

Lunos ductless air exchanger

...envelope if poorly installed: Each new opening in the building envelope presents a new potential point of air leakage and moisture damage. By multiplying the openings, it also increases the risk. So, seal the sleeves well, and as an added measure, surround it with insulation that isn't moisture sensitive; mineral wool ...

Air barriers are essential to a properly functioning wall system
Air and vapour barriers

What is an air barrier?

...building enclosures that are less forgiving than the air barrier. Where to install an air barrier: A building envelope should only ever have one vapour barrier, and it goes on the warm side of the insulation. Air barriers on the other hand, can be anywhere in the wall assembly and as plentiful as you like. It is hi...

Concrete floors and timber frame as thermal mass
Efficient home design

The pros and cons of thermal mass in buildings

...building? As mentioned at the beginning, there is really no right or wrong answer to this question. Sometimes it helps, other times it doesn't. If you've received council that you 'should' or 'shouldn't' include significant thermal mass in your home, that isn't entirely accurate unless your building envelope and life...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...building envelope, they begin to adhere to the sides of that opening, gradually sealing the hole. An air seal is thereby created around any openings and cracks in ceilings, walls, windows, plumbing and electrical penetrations. This is an easy way to plug holes in your air barrier that you can’t possibly see - from as s...