2026 Award Winner - Materials/methods innovation

beech hill house

Mount Desert Island, Maine • Completed May 2026

Project Team:

  • Four Winds Design, Designer

  • Engineering Ventures, Engineer

  • Hedefine Engineering, Engineer

  • Peacock Builder, General Contractor

  • New Frameworks, Straw Wall panels

  • TG Dunn- mechanical, plumbing

  • Wall Plaster - Liz Johnbrow

  • Spiral stairs and cabinets - Jamien St. Pierre

Project Description:

This energy efficient, panelized straw house is a biophilic design, not just as a reference, but in the sense of place. This very healthy and comfortable home is quiet, yet alive.  Made of straw, wood and plaster it is simple, while also displaying clear attention in the details. The biophilic design goal here is to encourage the occupant’s attention to come back to the present, like walking in the woods.

Project Metrics:

  • Bedrooms/Bathrooms: 2BR / 1BA

  • Sq. footage: 2,100 sf 

  • Air tightness: Volume tested at .5 CFM at 50 pascals 

  • HVAC: SpacePak-Solistice Air to water, Mitsubishi mini-split, Zehnder ERV

  • Renewables: Fully Net-zero solar and Tesla Powerwall backup

  • R-Value: Slab R20, Walls R40, roof R60

Highlights from the Judges:

“A very good combination of efficiency and low-carbon material use. Net zero, battery backup, heat pump combination. Great job!”
“The materials support a healthy home as
much as the systems.”