efficient-home-design / Green Building & Sustainable Home Renovation Information & Advice

Have you ever noticed that at times you can feel cold in your home even though the air temperature is exactly where you like to keep it? That's because, contrary to what most of us think, air temperature is not the main factor that determines human comfort in a building. To illustrate a point, let's start outdoors. I m...

The  principles of green building: High performance, energy efficient homes may include features like geothermal heating, wind power and solar panels, but these are not the defining features of green living. They come in second, and some you can even do without. A green home starts with being well-designed, well-insula...

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...

Alex Wilson is the founder of the journal Environmental Building News, Green Building, GreenSpec and recently the Resilient Design Institute. The following is a brief description of his vision, and the steps our team took as designers, builders and homeowners to meet that criteria for the Kenogami House.  The acronym: ...

There are a lot of options to consider when shopping for appliances, designing home lighting, and heating your home. These pages outline some things you can do that will help reduce your consumption, and despite what is sometimes a higher sticker price, usually save you money. Home lighting There are many factors that ...

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...

Toilets usually account for about a third of the indoor water use in a home, so toilets that carry the EPA WaterSense® label are a great place to start looking. Then comes the choice of either single flush or dual flush- it's a bit of a toss up but in the end we chose to go with single flush models, because when human ...

The current economic situation is pushing many Canadians and North Americans to reduce their expenses and consume energy more frugally - but that doesn't mean we have to act like Scrooge as we head towards winter. To face the rising cost of living driven by a growing energy crisis, here are some useful tips... Discover...

As the effects of climate change become more pronounced every year, it is becoming virtually impossible for the most ardent climate change deniers to dismiss it, despite their valiant efforts. According to the Environmental Protection Agency (EPA): "Rising global average temperature is associated with widespread change...

Materials in a home that act as thermal mass are things like concrete, masonry, ceramic tiles, even a large volume of wood like timber frames. All materials inside the insulated building envelope will store and release heat, the more dense they are the more pronounced the effects are.  Intentionally adding greater amou...

  This article was inspired by a podcast I heard at Positive Energy, where I have yet to hear a podcast that I didn't want to listen to a second time, so check them out if you're like me and you think listening to building science  makes mundane tasks like folding laundry a joy. This particular episode was about phase ...