passive-cooling / Green Building & Sustainable Home Renovation Information & Advice

First published in ecoHouse Canada The thermal performance of wall assemblies and insulation products has long been characterized using R-value, a metric which describes thermal resistance. While R-value is useful, it doesn’t tell the whole story about heat flow through building enclosures such as walls and roofs. Rece...

1. Asphalt shingles: Asphalt shingles © Ecohome We’ll start with shingles to get it out of the way, because choosing an eco-friendly, durable roof covering starts first with dismissing any idea of installing asphalt shingles. High-embodied energy, rarely if ever recycled, they deteriorate rapidly with UV rays, emit s...

A LEED Platinum home project overview As building rating systems drive building codes to greater levels of performance, the rating systems themselves need a periodic upgrade to stay ahead of the curve; enter LEED version 4 (V4.) This latest version of the LEED rating system involved a comprehensive overhaul and to ensu...

What is Passive Solar Heating & Cooling? Passive heating and cooling of homes is not new. The above image is of Mesa Verde National Park, the Ancestral Puebloan cliff dwellings in Colorado, occupied from 700 to 1300 AD. This early North American settlement was shaded from the summer sun, but fully exposed to the su...

Bella Bella is a small community located on Campbell Island between the northern tip of Vancouver Island and Haida Gwaii. Approximately 90% of its 1,500 residents belong to the Heiltsuk First Nation. In 2004, a fire destroyed the staff housing complex at the RW Large Memorial Hospital, and Vancouver Coastal Health [VCH...

After a difficult first half to 2020, heat waves then took hold across North America, from Canada down into the Southern and Central USA. These extreme summer temperatures pose a very real health risk to the most vulnerable members of society.   There are some tips to help keep a home cool during a heat wave, but faced...

Passive House construction on Vancouver Island Building the first certified Passive House on Vancouver Island, a duplex shared with our son Mark’s family, convinced us that the market in Victoria was ready for Passive House market condominiums. To follow through, we built the North Park Passive house, a six-unit urban ...

WATCH MORE VIDEOs about passive solar home design & construction here This is the first in a series of videos on passive solar home construction, we begin with passive solar design basics, orienting the future house on the site to take full advantage of the free heat available from the sun while keeping it cool wi...

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...

Passive House design, how does it work? If you've ever sat in a car with black leather seats in the summer, particularly when wearing shorts, you already understand passive solar heat gain. It is a very simple concept that as a building technique dates back thousands of years. You simply need to find out where south is...

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...