air-infiltration-vinyl-windowsPoorly designed windows can leak air in many places. Soft-Lite windows excel in minimizing air infiltration by incorporating innovative sill and sash design and top-of-the-line weatherstripping.

Compare Soft-Lite’s Air Infiltration performance numbers at left with all other competitors in the industry. You will find that Soft-Lite’s window designs out perform in all cases.

Air Infiltration: Performance Specs

ELEMENTS WINDOWS allow only .01 CFM of air leakage per minute. They are:

  • 23 times more airtight than the industry average range of traditional WOOD residential double hung windows such as Pella, Marvin, Jeld-Wen, and Andersen from .12 CFM to .30 CFM.* For example, it would take 23 Elements windows combined to leak the same amount of air as just ONE of the industry average traditional wood residential double hung windows. (Industry average of one traditional wood window is 220.8 oz. of air infiltration per minute.)
  • 15 times more airtight than the industry average range of traditional VINYL residential high performance double hung windows such as Alside, Simonton, and Champion from .11 CFM to .21 CFM.* For example, it would take 15 Elements windows combined to leak the same amount of air as just ONE of the industry average traditional vinyl residential high performance double hung windows. (Industry average of one traditional vinyl window is 144 oz. of air infiltration per minute.)

IMPERIAL LS WINDOWS allow only .02 CFM of air leakage per minute. They are:

  • over 11 times more airtight than the industry average range of traditional WOOD residential double hung windows such as Pella, Marvin, Jeld-Wen, and Andersen from .12 CFM to .30 CFM.* For example, it would take 23 Imperial LS windows combined to leak the same amount of air as just TWO of the industry average traditional wood residential double hung windows. (Industry average of one traditional wood window is 220.8 oz. of air infiltration per minute.)
  • 7 times more airtight than the industry average range of traditional VINYL residential high performance double hung windows such as Alside, Simonton, and Champion from .11 CFM to .21 CFM.* For example, it would take 15 Imperial LS windows combined to leak the same amount of air as just TWO of the industry average traditional vinyl residential high performance double hung windows. (Industry average of one traditional vinyl window is 144 oz. of air infiltration per minute.)

BAINBRIDGE WINDOWS allow only .07 CFM of air leakage per minute. They are:

  • over 3 times more airtight than the industry average range of traditional WOOD residential double hung windows such as Pella, Marvin, Jeld-Wen, and Andersen from .12 CFM to .30 CFM.* For example, it would take more than 13 Bainbridge LE windows combined to leak the same amount of air as just FOUR of the industry average traditional wood residential double hung windows. (Industry average of one traditional wood window is 220.8 oz. of air infiltration per minute.)
  • over 2 times more airtight than the industry average range of traditional VINYL residential high performance double hung windows such as Alside, Simonton, and Champion from .11 CFM to .21 CFM.* For example, it would take more than 8 Bainbridge LE windows combined to leak the same amount of air as just FOUR of the industry average traditional vinyl residential high performance double hung windows. (Industry average of one traditional vinyl window is 144 oz. of air infiltration per minute.)

BARRINGTON WINDOWS allow only .07 CFM of air leakage per minute. They are:

  • over 3 times more airtight than the industry average range of traditional WOOD residential double hung windows such as Pella, Marvin, Jeld-Wen, and Andersen from .12 CFM to .30 CFM.* For example, it would take more than 13 Barrington windows combined to leak the same amount of air as just FOUR of the industry average traditional wood residential double hung windows. (Industry average of one traditional wood window is 220.8 oz. of air infiltration per minute.)
  • over 2 times more airtight than the industry average range of traditional VINYL residential high performance double hung windows such as Alside, Simonton, and Champion from .11 CFM to .21 CFM.* For example, it would take more than 8 Barrington windows combined to leak the same amount of air as just FOUR of the industry average traditional vinyl residential high performance double hung windows. (Industry average of one traditional vinyl window is 144 oz. of air infiltration per minute.)

PRO/CLASSIC WINDOWS allow only .07 CFM** of air leakage per minute. They are:

  • over 3 times more airtight than the industry average range of traditional WOOD residential double hung windows such as Pella, Marvin, Jeld-Wen, and Andersen from .12 CFM to .30 CFM.* For example, it would take more than 13 Pro/Classic windows combined to leak the same amount of air as just FOUR of the industry average traditional wood residential double hung windows. (Industry average of one traditional wood window is 220.8 oz. of air infiltration per minute.)
  • over 2 times more airtight than the industry average range of traditional VINYL residential high performance double hung windows such as Alside, Simonton, and Champion from .11 CFM to .21 CFM.* For example, it would take more than 8 Pro/Classic windows combined to leak the same amount of air as just FOUR of the industry average traditional vinyl residential high performance double hung windows. (Industry average of one traditional vinyl window is 144 oz. of air infiltration per minute.)

*References valid as of October 1, 2010 based on our competitors’ websites and independent testing.

**Classic DH-10R with optional reinforcement is .07CFM. Standard Classic DH-10R without reinforcement is .11CFM Learn more about Soft-Lite’s windows or find a vinyl window dealer near you to learn more.