Building science / Guides

Concrete floors and timber frame as thermal mass
Efficient home design

The pros and cons of thermal mass in buildings

...building can be an advantage or a disadvantage depending on a lot of factors, and there is no right answer as to whether or not it will benefit you specifically...

Thermal image showing where home heat loss is occurring.
Insulation and soundproofing

How insulation works

...building codes. That covers the insulation material, but there is more at play to determine the actual or 'true' R value of a complete wall system. Insulation...

Top Tips for Getting a House Ready for Winter
Wall assemblies - renovation

Winter preparation for your home - are you ready for the cold?

...Building advice , see our Green Home Building guide pages to learn more about easy energy efficient home improvements , how to properly insulate an attic , When...

Correctly installed Triple pane south facing windows on Ecohome's Demo House
Windows and doors

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

...buildings like LEED certified, Passive House, ZNE , Passive Solar, Zero Energy Homes or even Positive Energy Homes all rely on the building envelope having a hi...

Balanced insulation levels in a green home
Efficient home design

Insulation in Green Home Building, a balanced approach to putting it where it does the most good

...building codes might save you money not only in the future, but immediately . The purchase and installation of greater levels of insulation will increase buildi...

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

The Kenogami House: designed to ENDURE

...building, how energy efficient a building is largely depends on the building envelope. It controls heat loss, air leakage and the movement of moisture. What i...

Tyvek home wrap left exposed to wind and UV rays
Air and vapour barriers

Choosing the right house wrap / weather barrier, which is best?

...building scientists say as little as 1/16th gap provides a capillary break, that will let liquid water drain out. Building walls that can dr...

Shipping container homes, Good or Bad?
Architecture and plan design

Are shipping container houses environmentally friendly & good or bad to live in?

...building techniques here : All about Tiny Houses & Laneway Homes How to stay on budget when building a home Ontario clarifies building-code fo...

Comparing ground source and air source heat pumps
Heating and cooling

Heat Pumps: Ground source geothermal GSHP or air source ASHP, which one is best for heating a home?

...buildings' systems. There is also an on-site weather station measuring outdoor meteorological conditions, providing site-specific climate data. Much research ...

Interior sheathing as air & vapor barriers in wood frame construction
Air and vapour barriers

Interior sheathing as an air and vapour or vapor barrier

...building is measured in ACH (Air Changes per Hour), and is determined by a blower door test where the building is depressurized by a fan in the door, and air le...

How radiant floors work
Delivery: radiant, forced-air and decentralized

How to design for thermal comfort in a home

...building envelope, air-tightness, and then design a system to meet those needs. Radiant heating: There is seemingly endless debate in green-building circles...