The house is being built to meet Level 1 energy efficiency. The walls have been constructed to meet an r-40 level and the roof is being built to meet r-60 level. West Newbury is a stretch code community and recently was given a stretch code test. The Level for state code is to have 7 air exchanges...

The house is being built to meet Level 1 energy efficiency. The walls have been constructed to meet an r-40 level and the roof is being built to meet r-60 level. West Newbury is a stretch code community and recently was given a stretch code test. The Level for state code is to have 7 air exchanges...