harold-orr / Green Building & Sustainable Home Renovation Information & Advice

While developing pages on passive heating and cooling and writing about Passive House, we were in contact with Harold Orr, a world-renowned environmental engineer, pioneer of the very concept of 'green building'. and who was recently awarded the Order of Canada for his pioneering contribution to energy-efficient home c...

Given that we spend about three quarters of our time indoors (counting both home and work), it is essential that we work to ensure clear indoor air quality. Contrary to what many people believe, indoor air is often more polluted than outdoor air. How is inside air worse that outside air? The air you breathe inside orig...

First, the background to this Passivhaus My partner and I are geeks. Our idea of a romantic dream was to build a house so well insulated you could heat it with a hairdryer. For added fun, we wanted to do this on a tight budget while raising a young child. The hairdryer part wasn’t a pipe dream – it’s a common way of de...

Which windows are best? Windows are essential to our homes, so getting the choice of window right is important. They give us natural light, a way to ventilate the home without depending on mechanical systems, a means of emergency exit, and they offer an alternative way to heat homes free of charge through passive solar...

So what is a smart home? When paired with intelligent and connected home devices, the phones that most of us carry in our pockets can make our homes safer, more comfortable and durable, and reduce our home energy consumption by as much as 30% if carefully configured and specified. Heating systems and lights can be turn...

Deck building tips for a durable deck construction: Meeting setbacks and getting building permits in Canada & US Raised Deck frame specification - make sure the structure is strong enough Which raised deck foundations are best: cement pillars (Sonotubes), screw piles, floating deck blocks What's the best type of d...

Rooftop solar-power production is fairly commonplace now, and you always know exactly which roof has them because they are highly-visible and somewhat clunky looking. They aren’t ugly but, they aren’t really beautiful either.  As a follow-up to our original article on the Tesla solar roof here, the next phase of solar-...

Preventing flood damage in basements is a hot topic as we are regularly seeing the effects of climate change in the form of extreme weather events and unpredictable weather patterns. Snow melt combined with torrential spring rains can lead to very high water tables and consequently, sewage backflow is an increasing dan...

This is the fourth piece in a blog series written by Craig Anderson as he documents the design and construction of an off-grid LEED Gold passively-heated home. See post 1 of the off-grid homes blog here, the overview . or post 2 in the off-grid homes blog here covering design and construction choices. or here see post ...