Energy efficiency / Guides

Passive House in Quebec
Passive House

The Passive-Aggressive House - Our History of a Passivhaus Build could reconcile their creative tensions in-house. These architects were young and their business almost brand-new, but there’s an important flipside to a lack of experience: a lack of baggage. They hadn’t yet pissed off a single person. We signed a contract. There should be therapists specializing i...

Drumi the foot pedalled washing machine that makes laundry off-grid oh

This foot pedalled washing machine doesn't need electricity and uses very little water.

...Energy Star machine can cut water usage to about 49 litres per load and significantly cut energy usage, but this, the Drumi, will not only wash your clothes without using electricty, it also uses as little as 10 litres of water per load. Think about the implications of that for a minute in a world facing catastrophic w...

Which wood is best for framing timber frame construction in homes?
Wall assemblies - new construction

Lumber choices for wood frame construction - choosing timber for framing & building homes, it's a renewable resource and it stores carbon. Heavy timber refers to any dimensional lumber over 4.5" and is often used for post-and-beam construction or timber frame homes. Large dimensions of wood can support heavy loads and facilitate long spans, in addition to being surprisingly fire resistant. Finger...

Ecodrain greywater heat recovery unit
Greywater Heat Recovery

A new design in greywater heat recovery

...efficiency of up to 60%. Depending on the consumption patterns of users, they generally have a payback period of between 7-10 years, and in some cases a lot less. Utility rates in your region will also affect payback periods, you'll get your money out of it way faster in Ontario than Quebec for example, as the cost of ...

Grey water and heat recovery shower

EcoVéa: recycled and cleaned shower water necessary for its heating. Consequently, the EcoVéa allows savings of up to 80% in energy consumption of a hot shower." With a concept this simple in theory that has such huge potential for conservation, it's hard to imagine why we haven't seen this type of technology sooner, and hard to imagine why we would b...

Reduce water consumption with residential gray water recycling systems
Plumbing and water heaters

Gray water recycling and money . To learn where you can actually see a return on investment for your water saving efforts, visit our page on water conservation . Now you know more about the gray water treatment & recycling ... Find more pages about gray water treatment and sustainable and resilient green building techniq...

Reflective window film to reduce overheating
Windows and doors

Product feature: window film treatment to reflect heat and lower air conditioning bills costs can be significant , and that will continue to grow just as the frequency and severity of extreme heat advisories grows. The environmental impact and greenhouse gas emissions from home cooling systems is not limited to carbon emissions from the energy they use. Air conditioners and heat pumps contain flu...

Why build LEED?
LEED Homes

Why build LEED?

There are no LEED certified builders, only LEED certified buildings. To build a home to LEED certification is something that is accessible to anyone, no accreditation is required to undertake the process. It is simply a matter of registering your project and successfully completing the requirements of the program. ...

Energy modeling simulation of heat loss through thermal bridging
Efficient home design

What is a thermal bridge and why is it so important to break it? simulation model to find out how well a wall would perform but you neglected to calculate thermal bridges, you would be trying to solve a math equation without using all the variables and your conclusions would simply be wrong. Thermal bridge-free construction: 1- Be conscious of the use and type of exterior...

Thermal image showing where home heat loss is occurring.
Insulation and soundproofing

How insulation works for heating and cooling, and in some respects, how durable it will be. The transfer of heat (or heat loss) occurs in 3 ways: conduction , convection and radiation . Within a home those 3 factors can impact each other and in effect work in conjunction, most often against you. CONVECTION refers to the transfer...

Roxul mineral wool batt insulation in LEED Homes
Insulation and soundproofing

Choosing the right insulation: the pros, cons and applications for walls, slabs & basements to manufacture than other types of traditional insulation, contains no chemical irritants, and is completely safe and easy to install by homeowners. It’s not too common in the Canadian market yet, so it might be expensive if your lucky enough to even find it. Thermal foil vapor barrier: Thermal foil "Ins...