7 - Attic and wall air sealing and insulation

Prevents heat from escaping the house, improving the efficacy of insulation

 Energy savings of 10-25%

  • Because warm air rises, a significant portion of heat loss is through the attic. 

  • Air sealing first ensures that insulation works properly.

  • We recommend 18-24” of cellulose insulation to achieve R60-R80 in attics.