Sandywoods Farm Net Zero Spec House #1


Quick Facts


Location <
Building Type s
Project Type Z
Basis of Performance Claim Modeled,
Bedrooms 4
Conditioned Floor Area 1

Energy Summary

Energy Data Type Modeled,
Renewable Energy System Type(s) Photovoltaics,
Ratings <
Annual renewable energy generated 1

Envelope and Mechanicals

Subslab assembly <
Foundation wall assembly <
Above grade wall assembly <
Door Assembly <
Air Changes per hour, ACH50 1
Lot 8 Rear Elevation

Project Team:

Other Team MemberTeam Member: Christian Belden

Other Team Members:






Completion Date: <


Type of Construction New,
Number of buildings 1
Floor area of each building 2
Bedrooms 4
Stories 2
Conditioned Building Volume 1
Conditioned Floor Area 1

Location and Climate Details


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


Site Conditions:

previously undeveloped land,

Site Description:


Monthly Energy Data and Utilities

Energy Data Type: Modeled,

Electric Utility: N

Gas Utility: N

Renewables and Energy Balance

Renewable Energy Sources:

Renewable Energy System Description & Details: 3

Annual renewable energy generated 1
Annual Renewable Energy Generated Data Type Modeled,
Power Rating 9
Renewable Energy System Type(s) Photovoltaics,
Source of Annual Production Data E

Walls and Roof

Subslab assembly <
Subslab R-value 2
Slab edge assembly <
Slab edge R-value 2
Foundation wall assembly <
Foundation wall R-value 2
Above grade wall assembly <
Above grade wall R-value 4
Cathedral ceiling assembly <
Cathedral ceiling R-value 6

Windows and Doors

Window Assembly: <

Door Assembly: <

Average window U-factor 0
Door U-Factor 0
Door Area 8

Mechanical Systems

Space cooling - Manufacturer & Model Fujitsu XLTH,
Space heating - Manufacturer & Model Fujitsu XLTH,
Domestic hot water - Manufacturer & Model G
Domestic hot water - capacity 6
Ventilation - Manufacturer & Model Panasonic FV 05 11VKSL1,
Lighting Manufacturer and Model LED screw in,
Lighting Efficiency LED,
Mechanical Equipment Installation Details and Comments <


Air Changes per hour, ACH50 1
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