Transformations—21 Laurel Street, Northampton, MA


Quick Facts


Location <
Building Type S
Project Type Z
Basis of Performance Claim Modeled,
Bedrooms 3
Conditioned Floor Area 1

Energy Summary

Energy Data Type
Renewable Energy System Type(s)
Annual renewable energy generated

Envelope and Mechanicals

Subslab assembly <
Foundation wall assembly <
Above grade wall assembly <
Door Assembly
Air Changes per hour, ACH50 1
AO Smith air source heat pump water heater

Project Team:

Other Team Members:





Completion Date: <


Type of Construction New,
Number of buildings
Floor area of each building
Bedrooms 3
Stories 2
Conditioned Building Volume 2
Conditioned Floor Area 1

Location and Climate Details


Address <
Location Type U
Climate Region Z
Köppen Climate Type D
Lat. / Long. P
Elevation 1
Solar Insolation
Annual CDD and Base Temp |
Annual HDD and Base Temp |


Site Conditions:

previously developed land,

Site Description:


Monthly Energy Data and Utilities

Energy Data Type: Modeled,

Electric Utility:

Gas Utility:

Renewables and Energy Balance

Renewable Energy Sources:

Renewable Energy System Description & Details:

Annual renewable energy generated
Annual Renewable Energy Generated Data Type
Power Rating
Renewable Energy System Type(s)
Source of Annual Production Data

Walls and Roof

Subslab assembly <
Subslab R-value 1
Slab edge assembly <
Slab edge R-value 1
Foundation wall assembly <
Foundation wall R-value 1
Above grade wall assembly <
Above grade wall R-value 4
Cathedral ceiling assembly
Cathedral ceiling R-value

Windows and Doors

Window Assembly:

Door Assembly:

Average window U-factor 0
Door U-Factor
Door Area

Mechanical Systems

Space cooling - Manufacturer & Model 2 Mitsubishi MSZ-FE12NA heads and 2 MUZ-FE12NA condensers,
Space heating - Manufacturer & Model 2 Mitsubishi MSZ-FE12NA heads and 2 MUZ-FE12NA condensers,
Domestic hot water - Manufacturer & Model A
Domestic hot water - capacity 5
Ventilation - Manufacturer & Model Panasonic Whisper Green bathroom ventilation fan, 30-70 CFM,
Lighting Manufacturer and Model
Lighting Efficiency
Mechanical Equipment Installation Details and Comments


Air Changes per hour, ACH50 1
Air Changes per hour, CFM50 4

General Process


Design for Adaptability:

Software Tools

Software Tools:

General modeling information: <

Lessons Learned

Outcome of Project Goals:


Rebates and Financial Incentives

Federal incentives <
Local incentives
State incentives <
Utility incentives <
Other incentives