passivhaus-windows / Green Building & Sustainable Home Renovation Information & Advice

Correct window installation details
Windows and doors

How to install windows

Fitting Windows, how to fit windows correctly to avoid air or water leaks  Watch more Green Building videos here The Edelweiss LEED Platinum V4 Demo House has been oriented towards the south to increase passive heat gain and reduce energy demand during operation. Choosing higher quality windows on all sides of your ho...

Wood frame Triple-glazed, argon-filled windows in the Ecohome Demo House
Windows and doors

Choosing windows - which window frame? wood v aluminum v vinyl

Material choices for window frames: Window frames can be made from a variety of materials offering different levels of performance and insulation values. Air in the cavities between panes expands as it heats up and contracts as it cools, which puts pressure on the seals and frames. When we speak of durable and sturdy w...

Correctly installed Triple pane south facing windows on Ecohome's Demo House
Windows and doors

Installing doors & windows for the best performance in high efficiency homes, LEED & Passive House

The importance of installing doors and windows correctly: Window and door openings are breaches in a building envelope that need to be carefully managed in order to prevent moisture damage and air leakage in homes as well as to save energy. Water leaks from around windows and doors are the visible result of a poor inst...

How to choose Triple pane, high performance windows
Windows and doors

Our top tips for buying high-performance windows

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...

Passive solar house design
Passive solar home design

Passive solar home design

Homes heated by the sun's free heat! Passive Solar Houses are aptly named because there are no wires, panels or batteries and nothing to break down. It's just about design, and it isn't a new concept. Humans around the globe have been incorporating passive solar design features into their homes for thousands of years. ...

When should you replace windows
Windows and doors

When should you replace old windows?

Windows, Replace or Repair? We often get asked if it is a good idea to replace old windows with new and better performing windows to save money. Usually to the surprise and relief of homeowners we most often tell them to stick with the ones they've got. Not to say that the idea of replacing windows is always 'green was...

Vinyl record album
Healthy indoor air quality

Keep vinyl out of your home (albums excluded of course)

The production of vinyl (also known as PVC- polyvinyl chloride) accounts for approximately 40% of the chlorine gas produced in North America. Vinyl is highly polluting in production, and as a building product it is susceptible to UV exposure, causing it to break down and release particles. And in the unfortunate event ...

Passive home designer Harold Orr, one of the original high performance homes
Passive solar home design

The principal designer of the house that inspired the global Passivhaus movement reflects on the project that started it all.

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...

Suspended-film insulating glass windows are high-performance windows
Windows and doors

Suspended-film insulating glass windows - A definitive guide for these high-performance windows

Why suspended-film insulating glass windows may be a game-changer Suspended-film insulating glass windows are an intelligent way to make windows super high-performance with insulating properties up to R-17, without adding too much weight for window frames to cope with. Since air is an insulator, trapping it (or gas) be...

Transparent solar power producing windows
Renewable energy

transparent solar panels

When considering solar cells as thin as laminate and completely transparent, the possibilities seem endless. Imagine every glass or laminant surface in our built environment and all of our devices, large and small, harvesting solar energy. In a world of passive, self-sustaining mini-power stations, would the need for f...

Indoor hydroponic vegetable garden
Food production

Growing food indoors

Introducing BioCity's indoor vertical veggie garden. This beautiful installation made with reclaimed wine bottles allows you to grow arugula, chard, strawberries, cherry tomatoes and more all year round in your very own home. Thanks to the craftsmanship and innovation of the folks at Montreal based company BioCity, gro...