Inside the Envelope

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At RDH, we understand that there is an important and complementary relationship between research and...

Many design professionals need concise and reliable information in a hurry. It’s a fact of...

Did you know that the Canadian Supplement to NAFS excludes buildings on hills, escarpments, and...

Depending where you are in Canada, there may be more than one acceptable method for...

The building code recognizes that it is not always practical to test every single window,...

Net-zero is typically defined as a building that produces as much energy as it consumes...

In celebration of Women’s Equality Day, we spoke with Kristen Yee Loong, Energy and Sustainability...

Every year, the Passive House community comes from all over the world to gather at...

The 2008 edition of NAFS first appeared in Canada in the 2010 National Building Code,...

In 2015, the Seattle Energy Code saw increased strictness in airtightness requirements with the maximum...

Over the course of its service life, a building’s façade endures monumental environmental forces including...