Technical Core
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Technical CorePrefabricated energy management system
Includes kitchen, bathroom, mechanical room and associated system controls and
plumbing
Makes construction safer, cheaper and easier
Solar PowerPhotovoltaic Modules
Outputs energy as DC electricityDC is converted to AC using an inverter
Conversion losses can be as high as 10%
Fig. 1http://energytechstocks.com
Mitsubishi Electric Photovoltaic Modules
Not actually part of the technical coreNecessary to power it and the home
We recommend the Mitsubishi Electric TD175MF5
Fig. 2http://www.wholesalesolar.com
175 Watt panelsOutput approximately 1.17 kWh per day
28 panels recommended for our prototype
ENGINEERING DESIGN 100Solar Home Technical Core
Section 8
Christopher Pedley Joshua Hill
Angel Marrero Timothy Borysowski
Unimplemented ConceptsGreen Roof
Too unsightly and potentially high maintenance
Too farfetched for a marketable home
Consolidate all high energy using appliances to reduce transmission losses
Electrical losses too insignificant to warrant the inconvenience
Fig. 3 http://www.ia.nrcs.usda.gov
Fig. 4http://www.kingskitchens.com
CostInitial cost estimate of materials (not including
manufacturing or labor costs): Approximately $51,000
Including cost of solar panels: Approximately $73,000
Fig. 5http://www.pensionriskmatters.com
Heat PumpGoodman Self-contained Heat Pump
Acts as an AC unit in the summerReverses and acts as a
heater in the winter
Electric back-up heater
Fig. 6http://www.alpinehomeair.com
Solar Hot Water HeaterSuperstor Solar SE Series Solar Water Heater
Powered directly by designated solar panelsDirect power from solar panels saves energy over AC conversion
Fig. 7http://www.htproducts.com/superstorsolar.html
Shower and Sink Water
Gray Water Pump
Water Holding Tank
Toilet Septic System
Gray Water Recycling SystemWhat is Gray Water?Gray water is all waste water except water from the toilet
Fig. 8http://www.needplumbingsupplies.com
Toilet uses only water that would otherwise be wasted
Fig. 9
Mechanical RoomHouses the water heater and heat pumpContains control panel that monitors and regulates the systems
Sunlight
2 Panels
Hot Water Heater
18 Panels
Inverters
Range
Dishwasher
Microwave
Gray Water Pumps
Heat Pump
Outlets
8 Panels
Lighting
Washer/Dryer
Refrigerator
Electrical System
Fig. 10
DC
DC
DC
AC
Energy BillsAverage home energy costs for 2008: $2200
Up 39% from last year
Household appliances use an average of 20% of home energy
Lighting uses 11% Fig. 11http://blog.kir.com