48 Chestnut Ave lot 1 HERS Spec
Insulation & Air Sealing
Slab R-6 foamboard at perimeter
Foundation Walls R-10 fire-rated foamboard
Floors over unconditioned space R-30 fiberglass batts
Blockers & Runners R-21 fiberglass batts
Exterior Walls R-21 fiberglass batts
Flat Ceilings R-59 loose cellulose (16" deep)
Sloped Ceilings R-38 fiberglass batt
Air Barrier & Air Sealing Details Maximum blower door test of 2.5 ACH50
Must comply with air sealing table R402.4.1.1 in 2015 IECC
Windows & Glass Doors NFRC
U-value = .30
SHGC = .25
HVAC & Water Heater
Heating Equipment 95% AFUE Propane Furnace
Cooling Equipment 13 SEER Central AC
Ducts
Duct Location: Some located within the attic
Duct Leakage: No more than 2 CFM per 100 CFA
Must comply with 2015 IECC R403.3.3
Ventilation System
System type: Panasonic continuous fan
Fan Motor: maximum of 10 watts per fan
Must comply with 780 CMR N1103.6
Water Heater .95 Energy Factor Propane On-Demand
Lighting & Appliances
Lighting 90% LED bulbs
Refrigerator Energy Star certified (If provided)
Dishwasher Energy Star certified (If provided)
Oven/Range Propane/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
55
Stretch Code Specifications
Project Address: Lot 7 60 Chestnut Ave Extn
Leeds, MA 01053
Conditioned Floor Area 2,415 ft2 (Includes heated basement)
Volume 18,720 ft3
Building Type Single-family
Bedrooms 3