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Window Collection Custom Shapes & Interior Trims Exterior Trims and Colours Grille Shapes and Patterns Impact Windows Window Buying Tips Windows Since the beginning, our quality windows have been standing the test of time against some of the harshest elements Mother Nature can conjure. Whatever your needs, Atlantic Windows has a product line that will offer a practical and elegant solution. Everything from hurricane force winds and rain, to frigid temperatures and blinding blizzards, you can count on our windows, we guarantee it. While all of our products - from hurricane resistant glass to water drainage systems - have been CSA tested in labs, their true test has been against the extreme weather conditions of Atlantic Canada. The beauty and quality of our craftsmanship never fades. Atlantic Windows Brochure (pdf) Atlantic Windows Test Results A3 B7 C5 F20 Energy Rating LEA DESIGNER COLLECTION Single Hung Vertical A3 B7 C3 F20 31 Single Hung High Performance A3 B7 C5 F20 29 Single Hung Horizontal A3 B4 C3 F20 30 Double Hung Vertical A3 B7 C2 F20 29 Double Hung High Performance A3 B7 C5 F20 27 Double Hung Horizontal A3 B4 C3 F20 29 Casement A3 B7 C5 F20 28 Awning A3 B7 C5 F20 29 Fixed Unit - Small A3 B7 C5 Fixed 29 Fixed Unit - Large A3 B7 C3 Fixed 29 VISION COLLECTION Single Hung Vertical A3 B6 C3 F20 29 Single Hung High Performance A3 B6 C4 F20 28 Single Hung Horizontal A3 B4 C3 F20 29   CSA Performance Chart Rating Rate of Air Leakage Pressure Differential Wind Speed (kph) Wind Speed (mph) A1 * 2.79 m3/h/m - - - A2 * 1.65 m3/h/m - - - A3 * 0.55 m3/h/m - - - Fixed * 0.25 m3/h/m - - - B1 - 150 Pa 57.4 35.6 B2 - 200 Pa 62.8 39.0 B3 - 300 Pa 76.7 47.6 B4 - 400 Pa 92.6 57.5 B5 - 500 Pa 102.5 63.6 B6 - 600 Pa 115.0 71.4 B7 - 700 Pa 120.0 74.5 C1 - 1500 Pa 174.8 108.7 C2 - 2000 Pa 203.8 126.8 C3 - 3000 Pa 247.2 153.8 C4 - 4000 Pa 288.2 179.3 C5 - 5000 Pa 324.1 201.6 Click logo for more information: