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energy conservation code

  1. B

    Windows for New Construction NFRC requirements

    Hello Im trying to import some windows from another country but they do not have certification such as NFRC, AAMA, NAFS or NAMI. Is this certification a must to install those windows? The manufacturer told me that the windows will comply with U-Factor (0.40 min in my area) and SGHC (0.25 min...
  2. K

    New York - Required Wall R-Value

    I'm renovating a building and took down some of the plaster walls. There is no insulation so I am required by code to add it. I am going by Chapter 4 of the 2015 International Energy Conservation Code. (Please let me know if this is the wrong one for New York State - not City). I see that for...
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