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NATIONAL SOLAR TOUR

NATIONAL SOLAR TOUR

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DOE Solar Decathlon-CampusCraft (U OF DENVER)

October 1, 2022 @ 12:00 am - 11:59 pm - January 15 @ 12:00 am - 11:59 pm

The University of Denver (DU) is demonstrating a renovation of a single-family home for the U.S. Department of Energy Solar Decathlon® 2020 Build Challenge. The 1950s ranch-style home that serves as DU’s competition entry is in a 100-year floodplain, challenging the team to develop a cost-effective plan that follows Federal Emergency Management Agency (FEMA) guidelines. In addition to transforming this home into the modern age, the students are providing the community with an example of budget-conscious options available to floodplain homeowners who are interested in updating their existing infrastructure.

FEATURES

  • All components selected minimize power consumption, resulting in a power draw roughly equivalent to a standard size refrigerator
  • Reinforced piping to prevent leaks and avoid potential flood risks
  • Shelving unit constructed from salvaged barnwood and cast-iron piping
  • Aquaponics system mimics a natural ecosystem by using the waste outputs of one system as inputs to the other
  • RetroFoam insulation used in the home has higher R-value, eliminating drafts and air leaks
  • An air barrier solution sprayed into the building area conjugates and seals holes with no harmful chemicals.

TECHNOLOGIES

Aquaponics System

The CampusCraft aquaponics team is constructing a low-energy aquaponics system to provide the future occupants of the Solar Decathlon house with an organic, sustainable food source to supplement their diets. The primary goal of aquaponics is to mimic a natural ecosystem by using the waste outputs of one system as inputs to the other. For example, the fish excrete waste into the water. This water is then pumped into the grow beds where the waste is broken down into nutrients for the plants to grow. The plants in turn purify the water and reoxygenate it to be sent back to the fish, completing the cycle.

This system features three primary subsystems:

  • The Grow Subsystem
  • The Aquatic Subsystem
  • The User Interface.

Two grow beds have been selected to maximize growth capacity and to increase crop variety. Potential crops include strawberries, spinach, and kale. A 75-gallon fish tank was selected, capable of housing 12–16 tilapia. This large tank will allow for a more stable system that is less affected by fluctuations in the system changes, such as temperature. To continuously monitor system variables, such as temperature and pH, a Bluelab Guardian Monitor Connect was selected to record data. These data can then be analyzed to determine trends in the overall health of the system.

Retro Foam Insulation

Traditional wall insulations, such as fiberglass and cellulose, can break down while also trapping dust and moisture. Over time, walls settle and air leaks into the home, causing the HVAC system to work overtime and increasing the occupant’s energy bills. RetroFoam has a higher R-value than standard wall insulation, and impressively maintains that R-value at any temperature while eliminating drafts and air leaks. Reducing drafts not only increases the occupant’s comfort, but it also increases their savings with more cost-effective heating and cooling bills. As an added bonus, RetroFoam does not break down over time.

Air Barrier Technology

AeroBarrier is a solution that is sprayed into a building area to seal holes as small as a hair follicle with no harmful chemicals. GREENGUARD certified, this product contains no harmful or toxic chemicals. The sealing process is controlled by computer, allowing the homeowner to view the sealing results in real-time.

Check out the CampusCraft Matterport Tour Here!

Team website: CampusCraft

Photo Tour

Details

Start:
October 1, 2022
End:
January 15
Event Category:
Event Tags:

Other

Sustainable Features
Energy Efficiency Upgrades, Energy Monitoring, Gardening/Xeriscaping, Heat Pump(s), Recycled Building Materials, Sustainable Living
Solar Site Type
Home
Organization:
U.S. Department of Energy Solar Decathlon

Venue

CampusCraft
Denver, CO 80208 United States + Google Map

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