Deep Energy Retrofit Open House
Sunday, January 22, 2012 • 1 PM — 4 PM
730R Washington Street • Gloucester, MA
National Grid will be sponsoring an Open House, with Tobias Richon of G.H. Richon Company, showcasing the
Deep Energy Retrofit of a single family home at 730R Washington Street in Gloucester, MA.
The owners, John and Lee Cunningham, are long-time Gloucester residents who believe in the need for
changes in residential energy use and wanted to lead by example. When planning a major renovation to a
converted coastal summer cottage, their contractor Tobias Richon introduced them to the National Grid DER
pilot program. With outdated windows and siding due for replacement, the timing was right to lock in sizeable
energy savings for many years to come.
The super-insulated enclosure, made possible through financial and technical support from National Grid and
Building Science Corporation, includes exterior insulation wall and roof build-outs in addition to dense-packed
cellulose in the existing stud and rafter cavities. A balanced heat recovery ventilation system integrated with a
ducted air source heat pump for heating and cooling will ensure that this tight house is comfortable and healthy
with high indoor air quality.
Completion is anticipated by January 2011.
Here are some of the highlights of this Gloucester single family DER retrofit project:
Roof: Up to R-60 with 3 layers of 2” polyisocyanurate rigid foam and cellulose in roof cavity
Walls: R-40 with 4” of polyisocyanurate rigid foam on exterior and cellulose in wall cavity
Basement walls: R-20 with a combination of Extruded Polystyrene (XPS) and polyiso rigid foam
Basement floor: R-5 to R-10 with 1”-2” XPS foam on top of epoxy coated existing slabs
Windows: R-5 Matthews Brothers casement and slider windows and patio door sliders (30 units)
Heating: Mitsubishi Air Source Heat Pumps (with 20’ electric baseboard heating for back-up)
DWH: Solar hot water by Wagner Solar with electric back-up
Ventilation: Balanced ventilation with 75% recovery efficiency @ 32 Deg F
Directions by car to the Open House:
* Take Route 128 North to Gloucester.
* At the traffic circle go ¾ around and take Route 127 – Washington Street.
* Proceed 2.6 miles to 730R Washington Street on your left – look for DER sign.
* Take left into driveway to house – parking is limited – we will help you find a place for your vehicle.
Directions by public transportation to the Open House:
* The home is in the Annisquam neighborhood of Gloucester.
* Take MBTA train to Gloucester (Rockport Line)
Note: CATA bus service to Annisquam does not operate on Sundays
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