NGrid Deep Energy Retrofit project is expected to be net zero when fully on-line in the Fall, 2012
$3,500
$250,000
2%
Property
- Owner:
- Robert Morrison / Deborah Wolozin
- Type:
- Residential
- Address:
- 61 Oakwood Avenue`, Sudbury, MA 01776
- Size:
- 2,800 sq ft
- Designations:
- Deep energy retrofit
- Event Participation:
- NESEA Green Buildings Open House 2012 Host
- NESEA Green Buildings Open House 2013 Host
Technology
- Type:
- Energy Efficiency
- Installed:
- January 2012
Financial Details
- Gross Cost of System:
- $300,000
- Value of Rebates:
- $50,000
- Net Cost of System:
- $250,000
- Annual Savings:
- $3,500
- Annual Revenue:
- $1,500
- Own or Lease:
- Cash Purchase
Professionals & Suppliers
- Products:
- SolarWorld
- Installers:
- Synergy Construction LLC
- Builders:
- Synergy LLC/October Engineering LLC
- Energy Auditors:
- NGrid/Building Science Corp
What You Need to Know
Description:
Deep Energy Retrofit in NGrid DER Pilot program project renovation and expansion of a single family home. Mechanical system includes premium efficiency forced hot water heating (Bosch Greenstar), 4-zone air source heat pumps (Mitsubishi) and heat recovery ventilation system (FanTech). 5.76kW solar photovoltaic system installed by AstrumSolar
Maintenance Requirements:
the systems are yet to be fully operational
Efficiency or Sustainability Improvements:
closed cell spray foam and rigid board foam insulation, R41 walls, R62 roof, R30 foundation walls, extremely low air leakage rate
My Motivation:
the need for sustainability
Advice:
advise careful review of general contractors
Experience with Installer:
bad experience with the original DER general contractor; good experience with the replacement DER general contractor
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