SEAL House is a super insulated passive solar home, designed to meet the passive house standard.

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or more of space heating

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Heat Recovery Ventilation This house uses many unique building strategies and approaches. The wall system is a modified larsen truss. Walls are R-60, roof is R-100. Air sealing methods resulted in an infiltration rate of .49ACH @50 pascals. Site milled, local, regional, and recycled wood was used extensively while minimizing toxic and glue-laden products. Please visit for more info and updates. This house was designed and built to meet Passive House Certification Standards. Certification may or may not be pursued.

Maintenance Requirements:

HRV must be cleaned 2-3 times yearly, very simple to do.

Efficiency or Sustainability Improvements:

Loose Fill Cellulose Daylighting, Energy Star Appliances, Energy Star rated, FSC Certified Wood, Local Materials, Non-Toxic Products, Passive Solar, Radiant floor heating, Recycled Materials, Super Insulated Walls/ Roof

Open House Info:

Take I89 to exit 19. Go East on Route 4/Mechanic St. Drive 1.0 miles, take sharp left onto Mascoma St. Go 500 feet and turn right on Granite St. Drive .1 miles then turn left on Child St. House is on the right. It is a tall blue house with a porch on the East side.

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