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My passive green home helps conserve fuel, lessens climate change, saves money and provides greater quality life, as well as beauty, over conventional homes.

EnergySage Customer
Quick Facts
Energy Needs Met

75% to 99%

of electricity

What You Need to Know


Solar domestic hot water Based generally on European passive house model: highly insulated, south facing and as air-tight with fewest openings as possible (fresh air, heat recovery ventilation system included). Yard is half vegetable, flower, butterfly shrubs and small fruit gardens. Small apartment has heat pump; main house has small propane fireplace. Mostly heated by sun, stored in thermal mass of concrete floor; floor and walls highly insulated.

Efficiency or Sustainability Improvements:

Loose Fill Cellulose Alt Fuel Vehicle, Daylighting, Energy Star Appliances, FSC Certified Wood, Passive solar, Rain Barrels, Recycled Materials, Sunspace, Super Insulated Walls/ Roof

Open House Info:

In Portsmouth, at the intersection of Congress St, Middle St, Islingston St and Maplewood Ave, head north on Maplewood for .4 miles. Take a left onto Dennett Street and go .2 miles to Mill Pond Way on the left. 101 is the third house on the right. Park along the street please. From Maine, get on the Rte 1 Bypass south, cross the Sarah Long Bridge and take the first exit onto Maplewood Ave, take a right off the ramp, and then go about 200 yards and take a right onto Dennett St., go .2 mile to Mill Pond Way on the left. 101 is the third house on the right. Park along the street please.

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