100%
or more of electricity
100%
or more of space heating
100%
or more of air conditioning
$10,500
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My house has all kinds of interesting energy improvements: a tankless hot water system, ductless minisplit heat pumps powered by solar panels, fully insulated basement, R60 roof, and R7 windows!
100%
or more of electricity
100%
or more of space heating
100%
or more of air conditioning
$10,500
Property
- Owner:
- Kenji Takahashi
- Type:
- Multi-Family Residence
- Address:
- 29 Brimmer Street, Watertown, MA 02472
- Size:
- 2,700 sq ft
- Energy need met:
- 100% or more of electricity
- 100% or more of space heating
- 100% or more of air conditioning
- Designations:
- Deep energy retrofit
- Event Participation:
- NESEA Green Buildings Open House 2012 Host
Technology
- Type:
- Solar PV
- Installed:
- January 2012
- Size of System:
- 5 kW
- Purposes:
- To generate electricity
Financial Details
- Net Cost of System:
- $10,500
- Own or Lease:
- Prepaid Lease
Professionals & Suppliers
- Energy Auditors:
- Building Science Corporation
What You Need to Know
Description:
Roof: R-60 with 5.5" closed-cell spray foam in the attic and 4" rigid foam on the roof Attic dormer walls: R-60 with 5.5" closed cell spray foam in cavities and 4" of polyisocyuranate rigid foam on exterior Basement walls: R-20 with closed-cell spray foam Basement floor: R-10 with xps rigid foam Windows: R-7 Intus Windows in the attic and basement Heating and Cooling: Mitsubishi Hyperheat ductless minisplit for the owner's unit, and a 96& gas furnace/AC system for the tenant's unit Hot water: a Rinnai tankless unit for the owner's unit, and an AO Smith tank system for the tenant's unit Ventilation: Balanced ventilation with a 95% efficient Heat Recovery Ventilator Solar: 5 kW solar PV system connected to the owner's unit serving 100% of heating and cooling
Open House Info:
We are open from 1 to 3 pm on the 13th for the NESEA Open House. You can park your car on the street.
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