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Kitchen Renovation by Earthshare Construction - photograph by Dwelling photography

Earthshare Construction is a custom builder and contractor serving the greater Upper Valley region of New Hampshire and Vermont. We are committed to offering best practices in sustainable building and design.


We build structures that merge high-performance, energy-efficient design with quality craftsmanship and aesthetic distinction. We seek clients who share our desire to live lightly on the earth in beautiful and inspiring spaces.

In April of 2022 we were honored with Efficiency Vermont's "Best of the Best" Award in the New Residential Construction category for our Cliff House project (pictured at right).

  • Double stud wall on slab with frost walls

  • Scissor Truss roof with a cavity for mechanical ventilation

  • Blown cellulose insulation with vapor and air movement control using ProClima membranes

  • Mento with plywood sheathing makes the exterior air barrier

  • Air sealing performed by Earthshare crew using tape and Visconn liquid

  • Triple glazed windows from KohlTech

  • Heated by 12,000 BTU heat pump assisted by pellet stove

  • Panasonic Intelli-Balance 100 ERV

  • Sanden heat pump water heater

Efficiency Vermont BOB Award 2022 Winner - Earthshare Construction
Cliff House by Earthshare Construction Sustainable Builder
Bathroom Renovation by Earthshare Construction - photograph by Dwelling photography

"We gave Ethan and his crew a complicated, multi-phase build out project. The work came on-time, on-budget, and with uncommonly high-quality. The design and construction has performed as we intended for years.


Ethan was a pleasure to work with as a [general contractor] - communicative, attentive to detail, knowledgable. His crew was great to work with as well. Can't give a higher recommendation, really."


-B.M. Hanover, NH

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