Efficient wall / Guides

Ecohome's Kenogami House 'The Most Resilient Home in North America'
Concept and design

Resilient design features for new home construction

...walls and interior condensation due to thermal bridging. A durable wall is energy-efficient and airtight, with an airspace between wall structures and exterior cladding to allow walls to dry and allow us to Install windows and doors correctly . The reason we make that connection between durability and efficiency is t...

Ice dams on roofs & how to fix them
Roof assemblies - renovation

What causes ice dams and how to fix them

...wall where the roof and wall meet. The inside of kitchen cupboards can be a tell-tale sign as well – since the air in kitchens is often more humid and cupboards are closed with little air movement, condensation can form on the walls in the back of cupboards. Whether or not you have indentified an ice damming problem,...

Crawl Spaces or Slab on Grade Foundations?
Foundations and Basements

Slab on grade or crawlspaces, which is better?

...wall, all the insulation on the walls and floor (or crawl-space ceiling), drainage, exterior damp-proofing membranes and weeping tile, then you need to build a floor over top of it. The comparable stages of slab-on-grade construction would be laying down insulated forms, adding rebar plus mesh and then pouring concrete...

Prefab Passive House & LEED Kit Homes for Sale in Ontario & North Eastern US
Concept and design

Prefab Passive House & LEED ready kit homes - the future of buying a new home?

...wall assembly, in kit form The prefab high-performance walls of this Passive House & LEED ready home kit are made almost exclusively using ecological materials from natural sources: double-stud wood framing, recycled paper (cellulose insulation), and wood fiber insulation panels . Double-framed wall construction ...

Building a Passive House that's LEED Certified too - an Owner's Tale
Passive House

An owner/builder's account of building a Passive House

...efficient - in the neighbourhood of 90% more efficient than most Canadian homes. The key is to have almost perfect airtightness and super-insulation along with very high-performance windows . Achieving airtightness requires the use of some fairly high-tech materials but the result is a house that uses next to no energy...

BC Energy Step Codes - Builder Design Guide &  Requirements explained
Building codes

The new BC energy step code: builder design guide & requirements explained - Vancouver

The new BC Energy Step Code - The details The BC Energy Step Code is a new provincial standard intended to provide an incremental approach to achieving more energy-efficient buildings that will help the province meet its goal of having all new buildings be Net Zero Energy ready by the year 2032. The City of Vancouve...

Skygarden House home renovation in Toronto, Canadian Green Building winner
Real estate

This beautiful Renovation in Toronto is a Canadian Green Building Award Winner

...efficient active systems, such as in-floor radiant heating , high-velocity cooling, low-flow plumbing fixtures and high-efficiency lighting . Complementary to this approach, a key sustainable strategy was the decision not to increase the footprint of the house and to maintain the existing exterior brick walls while a...

Celsius Solar Igloo
Solar thermal collectors

Celsius: The solar heated igloo!

...walls are comprised of a light wooden frame covered with a matt black air barrier. In contrast, the completely white interior mimics the traditional and very efficient form of the igloo. Interior walls are composed of white cloth supported by a thin steel structure. Us: Are we correct in assuming the notion of contrast...

Frost in Attics: What causes Attic Ice? How to Fix it?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

...wall on the edge of ceilings or the top of walls during the spring thaw. Most homeowners assume they have a roof problem like a leak, that maybe their roof covering has been damaged over winter, but it probably isn't if the problem wasn't there before. Ironically, in our experience, ice often forms in the attic after D...

How radiant floors work
Delivery: radiant, forced-air and decentralized

How to design for thermal comfort in a home

...wall assemblies. Air leakage causes uncomfortable drafts , but it also allows moisture to pass through walls and condense on cold surfaces inside the walls. Airtight homes are more thermally comfortable, more durable and they cost less to operate. Floors are the contact point between us and our house, so additional...

Top Tips for Getting a House Ready for Winter
Wall assemblies - renovation

Winter preparation for your home - are you ready for the cold?

...wall assembly from moisture damage by stopping humid air from escaping and depositing moisture in the wall around your windows. Read more here about what to look for when shopping for high performance windows. Drafts around windows and doors: Drafts in homes from windows & doors are worse in winter © Ecohome ...