Zero Energy Certified

ROCKY ROAD STRAW BALE | COMMUNITY REBUILDS

VITAL STATS

Certification StatusZero Energy Certified
LocationMoab, UT, USA
TypologyBuilding
Project Area1,150 SF
Owner OccupiedYes
Number of Occupants1

PROJECT TEAM

OwnerZach Arhens
ContractorCommunity Rebuilds
Founding DirectorEmily Niehaus
Executive DirectorRikki Eperson
PlannerReid Saunders
Photo Courtesy of Rocky Road Straw Bale | Community Rebuilds

BUILDING SYSTEMS INFORMATION

Wall R value and section specification30. Strawbale
Roof R value50
Floor R value15
Window to Wall Ratio17%
Window U Value0.31
Window descriptionVinyl frame, double paned.
Air infiltration rate and sealing protocolStrawbale results in a continuous barrier.

NON-MECHANICAL SYSTEMS

Daylighting, natural ventilation, and operable windows make for simple but effective non-mechanical systems that help reduce energy usage.

MECHANICAL HEATING AND COOLING

Single mini-split is all that is required given the thermal mass and passive solar solutions.

MECHANICAL VENTILATION

Ventilation is natural.

LIGHTING

Straightforward residential fixtures w/ LED lamps
Solartube daylighting at locations that are not immediately adjacent to exterior.

Photo Courtesy of Rocky Road Straw Bale | Community Rebuilds

RENEWABLE PRODUCTION SYSTEMS INFORMATION

Panel Array Size3.3 kW
Panel Output per Capacity Nameplate275 W
Panel Quantity12
Type and BrandREC Solar
Inverter Quantity1
LocationSouth-facing roof
Ownership DetailsSame ownership as project

RENEWABLE PRODUCTION SYSTEMS INFORMATION

Actual energy use during performance period3295 kWh
Actual energy produced during performance period4622 kWh
Net Energy Use-1327 kWh
EUI9.8 kBTU/sf/yr
Photo Courtesy of Rocky Road Straw Bale | Community Rebuilds
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