Kraus-Fabel Retrofit


Quick Facts


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

Energy Summary

Energy Data Type Measured,
Renewable Energy System Type(s) Photovoltaics,
Annual renewable energy generated 7

Envelope and Mechanicals

Subslab assembly <
Foundation wall assembly <
Above grade wall assembly <
Door Assembly <
Air Changes per hour, ACH50
South view of renovation showing new PV array with crew in foreground South view of renovated home after snow storm showing PV collectors free of snow Exterior view of duplex before renovation Interior view of dining and kitchen showing bright compact home Interior view of dining and living showing bright compact home

Project Team:

ArchitectTeam Member: Mary Kraus Energy ConsultantTeam Member: Marc Rosenbaum

Other Team Members:





Completion Date: <


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

Location and Climate Details


Address <
Location Type S
Climate Region Z
Köppen Climate Type D
Lat. / Long. P
Elevation 2
Solar Insolation 3
Annual CDD and Base Temp 2 | 7
Annual HDD and Base Temp 6 | 6


Site Conditions:

preexisting structure(s),

Site Description:


Monthly Energy Data and Utilities

Energy Data Type: Verified,

Electric Utility: W

Gas Utility:

Renewables and Energy Balance

Renewable Energy Sources:Renewable energy is generated within the building footprint (e.g. solar PV on the roof),

Renewable Energy System Description & Details: P

Annual renewable energy generated 7
Annual Renewable Energy Generated Data Type Measured,
Power Rating 5
Renewable Energy System Type(s) Photovoltaics,
Source of Annual Production Data M

Walls and Roof

Subslab assembly <
Subslab R-value 5
Slab edge assembly <
Slab edge R-value 5
Foundation wall assembly <
Foundation wall R-value 1
Above grade wall assembly <
Above grade wall R-value 2
Cathedral ceiling assembly <
Cathedral ceiling R-value 3

Windows and Doors

Window Assembly: <

Door Assembly: <

Average window U-factor 0
Door U-Factor 0
Door Area 4

Mechanical Systems

Space cooling - Manufacturer & Model
Space heating - Manufacturer & Model Mitsubishi MSZ-FE12NA, Mitsubishi MSZ-FE09NA,
Domestic hot water - Manufacturer & Model S
Domestic hot water - capacity 6
Ventilation - Manufacturer & Model FanTech SH704 (HRV),
Lighting Manufacturer and Model
Lighting Efficiency
Mechanical Equipment Installation Details and Comments <


Air Changes per hour, ACH50
Air Changes per hour, CFM50 6

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