Completion date


During the 12 month period for which data is collected, the building was occupied for 360 days of the year. This is our full time residence, and we were away for only one vacation during the observation period.
In addition, the house supported 1,710 person days. In addition to our family of 4, we also housed my sister’s family of 3 for a 3-month period (April – June 2011).

Days per year Building is fully occupied:


Type of Construction Retrofit
Number of buildings 1
Floor area of each building 4,468
Bedrooms 4
Bathrooms 3.5
Stories 3
Conditioned Floor Area 3,268 sq ft
Unconditioned Floor Area 1,200 sq ft

Location and Climate Details

single-family residence

82 Cottage Street
Amherst, MA 01002
United States
Location Type Suburaban
Climate Region Zone 5
Köppen Climate Type Dfb
Lat. / Long. POINT (-72.516968 42.383117)
Elevation 310 ft
Solar Insolation 3.54 kWh/m2/day
Annual CDD and Base Temp 932 | 65 F
Annual HDD and Base Temp 6405 | 65 F


Site conditions:
preexisting structure(s)