- owner/builder is building systems engineer and expert in high performance home design
- electricity usage averages 900 kWh/month or about $75
- passive solar design minimizes heating and cooling costs
- high efficiency windows (Anderson low-maintenance casement with low-e argon filled glass)
- unique 2x6 wall system designed in consultation with internationally recognized building scientist Joe Lstiburek
- energy efficient woodstove with outside combustion air vent
- high efficiency Lennox 2-ton heat pump with quiet scroll compressor
- zoned air distribution system maintains good temperature balance between floors
- ducts and air handler located within conditioned space
- return ducts or transfer grills in all rooms
- tight building envelope with mechanical ventilation system
- high-efficiency air cleaner
- high efficiency natural gas water heater (85% recovery efficiency, .62 EF)
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