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Summary Report
Total Energy Use
Other Use
HVAC System
Interior Conditions
Ambient Conditions
Hybrid Charge
Gas Consumption
Refrigerator(s)
DHW Consumption

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This site monitors a deep retrofit, zero energy home located in Cocoa Beach, Florida. Originally built in 1957, it is a 2000 sqft, four bedroom/two bath home with an office space and Florida room. It is occupied by two adults and two teenagers. Energy consumption is offset by a 4.9 kw photovoltaic system. The home has double pane, low-e vinyl windows (U=0.29, SHGC-0.24). Walls are 8" concrete block with EIFS R-5 exterior wall insulation, R-19 ceiling insulation and a white metal roof. Heating and cooling is provided by an aging 10 SEER, straight cool split system w/gas furnance and supplemented with a centrally located 9,000 Btu/hr SEER 26/HSPF 12 minisplit heat pump. A 20,000 gallon pool is DC pumped by a 450 watt pv array. Additional home features include all tile flooring, CFL lighting, whole house fan ventilation and gas appliances. In late September 2011, a hybrid vehicle was added to the house load. Data collection began in November 2010.

May 03 2015, 00:15 -To- May 04 2015, 00:00 EST

Total Electric Energy Use

Peak kW

kWatt-hrs
Consumption from utility 2.9 17.6
PV production 4.5 30.4
Fed back to Utility 4.1 18.7
PV used by house 2.8 11.8
Net purchased electricity 0.8 -12.8

Selected Electric Energy End Use

Peak kW

kWatt-hrs
A/C Condenser 0.0 0.0
Air Handler 0.0 0.0
Mini-split Heat Pump 0.0 0.0
Kitchen Refrigerator 0.5 2.9
Garage Refrigerator 0.5 2.6
Whole House Fan 0.1 0.4
Lighting, plug loads and other 1.2 6.5
Plug-in Hybrid Automobile Charge 1.4 5.2

Gas Consumption (ft3)

Avg

Total
Instantaneous DHW 0.0 0.2
Clothes Dryer 0.0 0.0
Range/Oven 0.2 6.0
Furnace 0.0 0.0

Indoor Conditions

Avg

Min/Max
Thermostat Temp (F) 77.5 75.8/ 79.4
Thermostat RH (%) 44.4 40.5/ 48.9
Tile Floor Temp (F) 73.9 72.3/ 74.8

Weather Conditions & Other

Avg/Total

Min/Max
Ambient Temp (F) 32767.0 99999.0/ -99999.0
Ambient RH (%) 32767.0 99999.0/ -99999.0
Horz. Plane Irradiation (wh/m2) 0.0 0.0/ 0.0
PV Plane Irradiation (wh/m2) 6235.6 0.0/ 901.2
Ground Temp @ 1ft (F) 73.1 66.2/ 80.7
Garage Temp (F) 75.0 68.4/ 83.4
Attic Temp (F) 78.6 66.0/ 95.2
Hot Water Consumed (Gal) 51.4 0.0/ 6.8
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