National Grid Deep Energy Pilot program renovation and expansion of a single family dwelling.

EnergySage Customer
Quick Facts
Average Annual Savings


Net Investment


Return on Investment


What You Need to Know


Deep energy retrofit (R60 roof, R40 wall, R30 foundation, R10 basement floor, R5 windows/doors); extremely low air leakage rate (< 200 CFM50, expected) premium efficiency forced hot water heating (Bosch Greenstar/Grundfoss Alpha), 4-zone air source heat pumps (Mitsubishi M series); heat recovery ventilation system

Efficiency or Sustainability Improvements:

5.76 kW solar electric system


review general contractor experience carefully

Open House Info:

Please come to 61 Oakwood Avenue, Sudbury, MA. Wall and roof sections will be displayed, and detailed information on all systems will be available!

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