Energy efficiency building envelopes / Guides

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

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

...buildings should effectively be offset by long-term energy efficiency and lower utility bills. For part 9 buildings (smaller mixed-use homes and commercial bu...

Passive House certification - PHI or PHIUS? The Spring House Passive House
Passive House

Everything you need to know about Passive House certification

...building science to dramatically increase the building’s energy efficiency. PHI then put together a certification system based on those very high performance st...

The LEED rating system
LEED Homes

The LEED rating system

...energy. This LEED category aims to reduce overall operational consumption through better building envelopes (insulation, doors and windows) and more efficient a...

Passive House design Vancouver
Passive House

The city of Vancouver is actively promoting Passive House construction

...buildings to be zero emissions. The city has also imposed upon itself a more rigorous building code than the national norm, and it is encouraging builders to ...

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

How to design for thermal comfort in a home

...building design prioritized thermal comfort for occupants, it is likely we would see a lot more radiant heating, and certainly better building envelopes. If y...

Off-grid and Net-Zero Housing

A Toronto Off-grid home 20 years later; how did it fare?

...building envelopes, passive heating design and the use of thermal mass to balance interior temperatures. When well-organized and thoughtfully executed, such com...

Poly vapour barriers in air conditioned houses can cause mold and rot
Healthy indoor air quality

Why you should Never Install Air-Con in a Home with a Vapor Barrier

...building envelopes. Building codes are making you do stupid things. The laws of physics trump code. - Joe Lstiburek Joe Lstiburek has left an indelible ...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

...Buildings are a complex balance of different elements - of which the walls are only one part. Also, it's not just about Insulation and efficiency, there are fun...

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

How insulation works

...energy for heating and cooling, and in some respects, how durable it will be. The transfer of heat (or heat loss) occurs in 3 ways: conduction , convection an...

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...

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?

...energy performance of buildings that trade out wood for metal on exterior walls can take a serious hit when we ignore thermal bridging. Metal conducts heat so...