Home Information

• Built in 1989
• 278 m^2 finished floor area, 2 story with finished basement, 5 bedroom
• Electricity is only fuel (atypical for area)

Energy Conservation

• Mostly Energy Star appliances
• Induction cooktop
• Flourescent & LED lighting
• Tripple glaze, krypton filled windows
• R-60 ceiling insulation
• Electricity consumption 4600 kW.h/a

HVAC

• Upgraded 2006
• Hydron Module Ground Source Heat Pump (4 ton /  14 kW capacity)
• Marathon storage water heater with desuperheater
• Steffes Electric Thermal Storage heater for backup heat during load control
• Electricity consumption 7400 kW.h/a
• Design and installation by Heating and Plumbing Consultants, Webster MN

PV

• 24 Sunpower SPR-215-WHT panels in 3 strings for 5.16 kW STC rating
• 8 Sunpower SPR-230-WHT added in 4th string on 2012-03-29 for 1.84 kW STC rating, total 7.0 kW
• SMA SB6000US 6.0 kW inverter
• Roof azimuth 225º, tilt 34º (tilt is optimal for this azimuth)
• Expected production 6200 kW.h/a until 2012-03-29. 8400 kW.h/a thereafter
• Design and Engineering by Energy Concepts, Hudson WI
• Original installation by Steiner Plumbing and Electrical, River Falls WI
• Additional installation by Summit Eco, St. Paul MN

Electric Vehicle

• Added Tesla Model S 60 on 2013-06-21
• Electricity consumption 4200 kW.h/a
• Range 240 km (winter) to 320 km (summer) per charge.
• Added Tesla Model 3 LR AWD on 2018-08-23
• Electricity consumption 4300 kW.h/a
• Range 380 km (winter) to 560 km (summer) per charge.