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Energy efficiency building envelopes / Guides

Vancouver Passive House
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 ...

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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...

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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. I...

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The Spring House Passive House
Passive House

Everything you need to know about Passive House

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

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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...

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Balanced insulation levels in a home
Efficient home design

Balanced insulation: 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...

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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...

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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...

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