Westborough, MA Residence

The client came to Transformations for its custom building and energy efficiency depth of knowledge.  The intentions were to build a California style home that was designed to capture abundant natural light, views to the meadow to the rear, have impeccable indoor air quality and pursue a net zero energy goal.


  • Square Footage: 2800
  • Bedrooms: 4
  • Bathrooms: 3


  • California Style Design, Open Floor Plan, Multiple Ceiling Heights, Extensive Maple and Cherry Cabinetry and Millwork, Media Center, Children's Rooms with Lofts, 2 Car Garage


  • 7 kW Grid-tied Solar Electric System, R-32 Walls with Exterior Rigid Insulation, Exterior Rigid on Foundation, R- 60 Roof with Hunter Panels, Cellulose Insulation in Walls, Attic Slopes, ENERGY STAR Certified Rating of 22, MA Energy Star Tier 3 Certification


  • Whole House Ventilation, Low or No VOC Materials/Sealants/Paints, Hard Floor Surfaces


  • Water Conserving Fixtures, Rapidly Renewable Materials, Low Maintenance Materials

They had hired a local architectural firm, Tom Harden and Associates of Lexington, MA, to customize a house plan featured in Sarah Susanka's Not So Big House books, to their needs.  They had purchased a modest home on a gorgeous lot many years previously.  The old home was presenting indoor air quality issues.  Rather than try and make the old house work, they decided to design a  new energy efficient home and control all aspects of healthy  indoor air and material specifications.  The new home was designed to be built while they lived in their existing one. 

Transformations was brought into the project during the design phase.  This allowed input on wall and roof assemblies, product specifications, allowances, mechanical systems and solar system design.  A line item in the budget was carried for pre-construction design services and architect interfacing during the early part of the project.  This allowed for a great relationship to build between the client, the architect and the builder.

The interior detailing was high quality maple and cherry cabinetry and millwork, beautiful tile, extensive hardwood flooring and a built-in media center.  There were multiple ceiling heights with abundant natural light and views to the meadow in the rear.  Low or no VOC material/sealants/ paints were used throughout the project. 

Rigid insulation was kept to the outside of the R-32 walls. Cellulose was blown in the 2x6 walls minimizing any indoor air concerns.  The R-60 roof assembly used Hunter panels and blown in cellulose.  The foundation had exterior rigid insulation with a stucco coating. 

The home received an Energy Star HERS rating of 22 and was Energy Star Tier 3 certified in Massachusetts.  Construction was completed in the summer of 2012.