White Claw Farm Net Zero Deep Energy Retrofit


Quick Facts


Location <
Building Type S
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 6

Envelope and Mechanicals

Subslab assembly <
Foundation wall assembly <
Above grade wall assembly <
Door Assembly <
Air Changes per hour, ACH50
Rosenbaum after southwest view Rosenbaum before southeast view Rosenbaum after southeast view Rosenbaum after west addition view Rosenbaum final blower door test Rosenbaum interior strapping detail view Rosenbaum after spray foam view Rosenbaum northeast bedroom daylighting Rosenbaum great room looking east Rosenbaum great room looking west

Project Team:

Other Team Members:





Completion Date: <


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

Location and Climate Details


Address <
Location Type S
Climate Region Z
Köppen Climate Type D
Lat. / Long. P
Elevation 8
Solar Insolation 4
Annual CDD and Base Temp 4 | 7
Annual HDD and Base Temp 5 | 6


Site Conditions:

previously developed land, running water, preexisting structure(s),

Site Description:

Monthly Energy Data and Utilities

Energy Data Type: Verified,

Electric Utility: N

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: 4

Annual renewable energy generated 6
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
Slab edge assembly
Slab edge R-value
Foundation wall assembly <
Foundation wall R-value 1
Above grade wall assembly <
Above grade wall R-value 3
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 Fujitsu heat pump,
Space heating - Manufacturer & Model Fujitsu heat pump AOU9RLFC / ARU9RLF ducted single zone heat pump,
Domestic hot water - Manufacturer & Model S
Domestic hot water - capacity 8
Ventilation - Manufacturer & Model Zehnder ComfoAir 200,
Lighting Manufacturer and Model LED Green Creative,
Lighting Efficiency
Mechanical Equipment Installation Details and Comments <


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

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