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Medford DER Progress Shots

Some of the home’s energy saving features are:

Building Envelope

  • R-60 Roof: 10″ closed cell foam in the roof flats and slopes
  • R-55 Walls: 5″ of Dow rigid foam on the exterior and blown cellulose in existing wall cavities.
  • R-5 Windows:  44 EcoShield and Thermotech Windows
  • Siding: James Hardie fiber cement clapboard
  • Doors:  High performance doors by Architectural Openings

Mechanical Systems

  • Heating: Active solar thermal with radiant floors and passive solar gain through Thermotech windows
  • Ventilation:  Zehnder Heat Recovery Ventilator (HRV)
  • Hot Water: 95% efficient AO Smith Vertex water heaters
  • Cooling: Unico micro-duct HVAC system.
  • Electricity: photovoltaic solar panel system.

Stay Posted for Final Photos!

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One thought on “BGB Projects: Medford DER Nearing Completion

  1. Pingback: BOSTON GREEN BUILDING BLOG

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