The Ross Family Home

An exterior image of the Ross family's net-zero home.
Now, when our son goes down for a nap mid-day in the summer, I can spoil him and cool only his room, while ‘powering down’ the other spaces.

Sara and Gareth Ross’ Amherst, Massachusetts, home is so energy-efficient that it produces more energy than it uses. In the family’s first six months of occupancy, for example, they earned $416 from excess electricity produced by their home and returned to the grid! This was possible, in part, because of their Variable Refrigerant Flow zoning system from Mitsubishi Electric. The system is small and quiet, but offers all of the comfortable, healthy air the family needs… and all of the energy savings! Download the PDF below to read more. You’ll hear from the homeowner, mechanical engineer and architect, and see photos of the home and equipment.

Ross Family Home

Project Location: Amherst, Massachusetts
Completion Date: June 2010

Project Team

  • Owner: Sara and Gareth Ross, Amherst, Massachusetts
  • Architect: Coldham & Hartman Architects, Amherst, Massachusetts
  • Energy Consultant: Energysmiths, Meriden, New Hampshire
  • General Contractor: Holden Builders, Bernardston, Massachusetts
  • Mechanical Engineer: Kohler & Lewis, Keene, New Hampshire
  • Photovoltaics: PV Squared, Greenfield, Massachusetts

Mitsubishi Electric Equipment Installed:

  • (2) MUZ-FE12NA Outdoor Units
  • (1) MUZ-FE18NA Outdoor Unit
  • (2) MSZ-FE12NA Wall-mounted Indoor Units
  • (1) MSZ-FE18NA Wall-mounted In

Product Category
Ductless Systems
Home Residence
Completion Date
June, 2010
Case Study Type
For Homeowners
Text Box Type
energy savings/rebates/efficiency
new construction
retrofit/historic restoration

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