PHEC-1577 227 South St code specs
Insulation & Air Sealing
Slab R-10 at perimeter and under entire floor
Foundation Walls None
Floors over unconditioned space None
Blockers & Runners R-30 spray foam
Exterior Walls R-30 spray foam + R-6 insulated sheathing
Flat Ceilings R-60 loose cellulose (16" deep)
Sloped Ceilings None
Air Barrier & Air Sealing Details Maximum blower door test of 2 ACH50
Must comply with air sealing table R402.4.1.1 in 2015 IECC
Windows & Glass Doors NFRC
U-value = .28
SHGC = .29
HVAC & Water Heater
Heating Equipment 3.02 COP ductless mini-split
Cooling Equipment 21 SEER ductless mini-split
Ventilation System
System type: Panasonic continuous fans
Fan Motor: maximum of 10 watts per fan
Must comply with 780 CMR N1103.6
Water Heater 3.55 Energy Factor Heat Pump
Lighting & Appliances
Lighting 100% LED bulbs
Refrigerator Energy Star certified (If provided)
Dishwasher Energy Star certified (If provided)
Oven/Range Electric
Washer Energy Star certified (If provided)
Dryer Energy Star certified (If provided)
Projected Rating Results
Scenario HERS Index Score
All specifications used above, and
home built per plans
45 (Middle Unit)
46 (End Unit)
Stretch Code Specifications
Project Address: 227 South St
Northampton, MA 01060
Conditioned Floor Area 1024 ft2
Volume 8,704 ft3
Building Type Single-family
Bedrooms 2