What is a blower door test / Guides

Blower Door Tests - What's the Cost & Who Does Them?
Air and vapour barriers

What is a blower door test? What's the cost? How do you find a company to do one?

...What is a blower door test? Blower door tests are becoming part of many State and Provincial mandatory building codes - the new BC Energy Step Code in British Columbia, Canada is one example. A blower door test is often an essential part of a home audit, we don’t know for sure just yet if it will be part of the free ...

What is a Free Home Energy Audit Canada?
Grants and incentives

Free home energy audits in Canada

...at you understand What a Home Energy Audit is , learn about What Renovations add the most value and What Homebuyers are Looking for and what Green Home Renovation Tax Credits and Incentives are available to help you pay for those! And don’t forget commuting - there are Electric Vehicle Rebates as well as Solar Panels F...

LEED Homes

Getting Started

...all systems have been completed according to plan, and a final inspection when your home is completed. Also mandatory before drywall is installed is a blower door test , where your home is depressurized to test for air leaks. This gives your building team the opportunity to find and repair any problem areas. A minimu...

Air and vapour barriers

Aerobarrier home and attic air-sealing spray

...alants, tapes and gaskets is time consuming, and materials can cost a small fortune. The company doesn’t like to give any false impression on price, as there are too many variables to be able to do that accurately. But to give a reasonable ballpark cost, according to Patrick Rouleau, "we are talking about a likely ra...

Bike lanes in Vancouver
Lifestyle, location and commuting

Vancouver's goal of becoming the Greenest City by 2020

...and can cause damage to the interior of walls as many litres of water carried in warm air can pass through even the smallest of holes in a heating season. A house with an EnerGuide rating is like a car with a safety check. It is an independent third party report on the quality of what you are buying, and an indicatio...

Interior sheathing as air & vapor barriers in wood frame construction
Air and vapour barriers

Interior sheathing as an air and vapour or vapor barrier

...a hole in an OSB air barrier that was not intentional, or at least unnoticed. Blower door tests The air seal of a building is measured in ACH (Air Changes per Hour), and is determined by a blower door test where the building is depressurized by a fan in the door, and air leakage is measured. The average home buil...

Free Energy Audits, Net Zero Home Grants & Interest Free Home Renovation Loans
Grants and incentives

0% loans & Grants for Green Home Renovations & Construction - A Boost for Canadians in 2020

...an just be repaired. A large percentage of heat loss from a home is due to air leakage , so part of your energy audit will be a blower door test , which will help you find and fix air leaks. Our Quebec office recently had a full renovation which gave us an opportunity to try an air barrier spray for sealing air leaks...

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

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

...Alternatively, there is always the option as a developer to decide to build to LEED certification standards , or Passivehouse certification in North America , which already means building to a much more efficient and sustainable standard. Overall though, as a builder or general contractor your job won’t actually be tha...

Leed platinum plaque
Green building certifications

All about green home certification programs & rating systems for USA & Canada

...ades for increased energy efficiency. Financial assistance is available. Built Green (Alberta, B.C., and Ontario): Originally developed by the Alberta Home Builder’s Association, Built Green is a Canadian-developed rating system administered by Built Green Canada, a private not-for-profit organization. Similar to L...

Passively-heated off-grid LEED house in Low, Quebec
Off-grid and Net-Zero Housing

Off-grid living blog: a firsthand account of building and living in a remote area

...is 2x8 wall is the polyethylene air/vapour barrier. Inside of that is a 2x4 utility wall, holding all of the electrical, plumbing, and data cabling. This wall is also insulated with Roxul batts. Finally, a standard layer of sheetrock covers the interior walls. A big advantage of the utility wall is that all of the open...

LEED Homes

The 19 LEED for Homes Prerequisites

...and ensure that air handlers can maintain an appropriate system pressure drop. Air filter housings must be airtight to prevent bypass or leakage. 9.1 Radon-resistant construction: Homes in high-risk radon gas areas must have protection against radon infiltration. The project manager has the option to install a pass...