energy efficient design

  • How To Build An Energy-Efficient Home

    Jun 02, 2017 · Building Envelope. These walls conceal a big reason for this home's energy efficiency: a combination of spray-foam and rigid-foam insulation; the two work in tandem to eliminate thermal bridging. "Low-tech solutions such as continuous insulation and air sealing have a big impact on the energy efficiency of a home — especially in cold climates,"...