VUES % sade (fs SS Ronald House THIS HOUSE was built in 1913 by a carpenter, Arthur Ronald, for himself and his wife Amy Edith. “It is situated in an early residen- tial neighborhood in Upper Lons- dale and is close to several other heritage homes — including the - Christie House, a designated home — next to the North Vancouver district hall. Although small, this is an ele- gant example of the Craftsman New rating **WHEN YOU'RE buying a window for your house, you should be buying more than something that just looks good,’”’ says Roger Henry, manager of passive solar systems in the efficiency and alternative energy tech- nology branch of Energy, Mines and Resources Canada. “With high—performance, energy-efficient windows, you will feel more comfortable, even on the coldest January day, and ex- perience less condensation prob- lems.” There's more to windows than just panes of glass and a frame. You have windows that may be single, double or triple glazed; casement or slider; vinyl clad, wood, aluminum or fibreglass; and some have coatings on the giass and some are filled with dif- ferent kinds of gases. It can get confusing. **Whenever you put a hole in a wali for a window or a door, you are creating the potential for air leaks. More than 35% of heat loss in energy-efficient homes goes out the window,’’ Henry points out. To deal with the problem, win- dows and building designs have changed dramatically over the past ten years. A new window energy performance standard, CSA A440.2, will help make buying windows easier for consumers. The Canadian Standards Asseciation, the Canadian Win- dow and Door Manufacturers’ Association and Energy, Mines and Resources Canada have come : TT | NORTH SHORE HERITAGE by Dorothy Foster Style bungalow. The stained and leaded glass windows are a. striking feature along with other typical Craft- sman details such as the large square porch columns, exposed rafters and purlin ends. up with an energy performance rating system for your ‘home’s windows. This system will help you know how energy-efficient one window is when compared to anoiher. The rating system is still in its infancy. The Energy Rating (ER) number represents the window heat loss (negative number) or gain (positive number) over the heating season for an average home in an average Canadian location. What it means to consumers is that they can know how one win- dow rates against another. A win- dow with an ER number of -3 would be more energy-efficient than one with an ER rating of -8. Some windows available today even have positive ER numbers. “ER numbe: are based on standard sizes of each window type, providing a tool that con- sumers can use as they selectively buy products. “They also help architects to design more energy-efficient buildings,’’ notes Jim Carnegie of the Canadian Standards Associa- tion. Some members of the Canadian Window and Door Manufacturers Association (CWDMA) look at the ER number as an opportunity to show consumers the high energy performance of their win- dows. They believe that the new win- dow standard must be communi- cated to the consumer. The next step is a voluntary window labelling program. Energy rating labels on different windows will help you make a choice without having to know the difference between multiple glaz- ing, low-emissivity coatings, in- This I%-storey structure is covered with wooden shingles on the upper part (which are assumed to be original) and the foundation level is covered with wide lapped cedar siding. The shed dormer over the inset front porch adds interest to the roof line. This homey bungalow has been well cared for and its yard’s shrubbery and flowers comple- ment the character of this heritage home. system helps consumers sulating spacers, gas filling, and the variety of frame designs cur- rently on the market. “The window labelling program will offer consumers and builders a method of comparison so they will see at a glance how windows rate energy-wise,"’ Lipman sug- gests. Not only will consumers be able to increase their long-term pro- spects for prosperity by shopping wisely, but the labelling program will also encourage the Canadian industry to improve its com- petitive position in the market- place by developing better pro- ducts. High performance windows use less energy, helping us to produce less greenhouse gases and that’s good for our environment. “We have an energy crunch on our hands and this is one way to reduce the crunch,’’ says Carnegie. THANKSGIVING DINNER? 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