How to choose an ENERGY STAR® certified window
Learn how to choose the most suitable ENERGY STAR® certified windows, you will save energy and enjoy greater comfort!
How-tos
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The best guarantee of the industry
- 20 years on PVC
- 10 years on Glass
- 10 years on Hardware
- 1 year on Installation
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Test descriptions Repeated tests.
- Trial 1, Air infiltration at 20˚C
- Trial 2, Resistance to water penetration at 20˚C
- Trial 3, Air infiltration at -30˚C
After each of the sequences of opening and closing cycles
- 500 cycles / tests repeat 1, 2 and 3
- 500 cycles / tests repeat 1, 2 and 3
- 1000 cycles / tests repeat 1, 2 and 3
- 2500 cycles / tests repeat 1, 2 and 3
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