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2009 Best Small Residential
Casa Del Sol

Project Statistics
Project Name: Casa Del Sol
Location: Leverett, Mass.
Type: Private Residence—Spec Home
Size: 2,200 sq. ft. (floor)
ICF Use: All exterior walls, plus 80% interior walls and landscaping
Cost: $295,000

Project Timeline:
Total Construction: 720 days (completed June ’09)
ICF Installation time: 60 days

Construction Team
Owner: Sawmill River Builders
Architect: In Aeternum Homes
General Contractor: Same as Owner
ICF Installer: Same as Owner
ICF Distributor: Miles Supply
ICF System: Quad-Lock

Fast Facts

  • Designed as net-zero energy home
  • Self-constructed by owner-builder
  • Difficult design for first-time ICF builder
  • 50% of walls have radius, many also have arches
  • Passive solar as well as solar-hot water radiant heat.
  • Built into existing apple orchard and wildflower meadow
  • All wood used was harvested within 3 miles


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