De Young Zero Net Energy Home


Quick Facts


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

Energy Summary

Energy Data Type Modeled, Measured,
Renewable Energy System Type(s) Photovoltaics,
Ratings <
Annual renewable energy generated

Envelope and Mechanicals

Subslab assembly <
Foundation wall assembly
Above grade wall assembly
Door Assembly
Air Changes per hour, ACH50 3

Project Team:

BuilderTeam Member: Brandon De Young

Other Team Members:






Completion Date: <


Type of Construction New,
Number of buildings
Floor area of each building
Conditioned Building Volume
Conditioned Floor Area

Location and Climate Details


Address <
Location Type S
Climate Region Z
Köppen Climate Type
Lat. / Long. P
Elevation 3
Solar Insolation 5
Annual CDD and Base Temp 6 | 6
Annual HDD and Base Temp 1 | 6


Site Conditions:

previously undeveloped land,

Site Description:

Monthly Energy Data and Utilities

Energy Data Type: Modeled, Verified,

Electric Utility: P

Gas Utility: P

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: S

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

Walls and Roof

Subslab assembly <
Subslab R-value 0
Slab edge assembly <
Slab edge R-value 0
Foundation wall assembly
Foundation wall R-value
Above grade wall assembly
Above grade wall R-value 1
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 Lennox,
Space heating - Manufacturer & Model Lennox,
Domestic hot water - Manufacturer & Model R
Domestic hot water - capacity
Ventilation - Manufacturer & Model Integrated system utilizing ECM with forced-air HVAC,
Lighting Manufacturer and Model 100% LED throughout. Variety of manufacturers.,
Lighting Efficiency
Mechanical Equipment Installation Details and Comments


Air Changes per hour, ACH50 3
Air Changes per hour, CFM50

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