Industry Links

Sill to Sash

Fenestration Canada presents a video on “How to Buy Energy-Efficient Windows and Doors”

The window business is changing. Over the past few years, the number of window options and technologies available to consumers has greatly increased. Furthermore, window standards are being updated and energy codes are being adopted. The Sill to Sash video explains the latest window developments, the use of standards and certification, and shows how you can use this information to buy the right products.

Video topics include:

  • Window Terminology
  • Modes of Window Heat loss 
  • Standards, ratings, and certification
  • Window Condensation and How to Avoid It
  • Benefits of Properly Installed Energy-Efficient Windows and Doors
  • How to buy Energy-Efficient Windows

The video will show the why, what and how of buying and installing energy efficient products.

Sill to Sash is sponsored by the Federal Government Climate Change Action Fund, the Siding and Window Dealers Association of Canada, and the Fenestration Canada.


ENERGY STAR® is the mark of high-efficiency products in Canada. The familiar symbol makes it easy for consumers to identify the best energy-efficient performers on the market. Only manufacturers and whose products meet the ENERGY STAR criteria can label their products with this symbol.

ENERGY STAR qualified products meet strict technical specifications for energy performance — tested and certified.

View ENERGY STAR efficiency ratings for Windows
View ENERGY STAR efficiency ratings for Doors

Canadian Standards Association

The Canadian Standards Association is a not-for-profit membership-based association serving business, industry, government and consumers in Canada and the global marketplace. The CSA develops standards that address real needs, such as enhancing public safety and health. The CSA mark appears on billions of products around the world.

Cardinal Glass

Cardinal Glass Industries is the leader in the development, design and fabrication of the most advanced residential glass products for the windows and doors industry. Cardinal Glass provide a turnkey solution to window manufacturers: whether it starts with insulating glass, coated, laminated, tempered or just plain float glass, it is all designed to provide the latest in applied glass science.

Consumers Guide to Buying Energy Efficient Windows & Doors

High-performance windows and doors offer significant improvements in solar control, thermal comfort and energy efficiency. This guide explains how these advances in window and door technology work, and will help you make informed decisions about purchasing windows and doors – whether you are replacing units in an existing home or designing a new home.