March 5, 2020June 30, 2021greentechconstructionLeave a Comment on Structural Insulated Panel Association AWARD Structural Insulated Panel Association AWARD At SIPA’s 18th Annual Building Excellence Awards Conference held March 2-4 in Phoenix, Arizona, the Legacy House was the national overall winner in the High Performance Category achieving a HERS score of 17. Share this:TwitterFacebookLike this:Like Loading...