- Geothermal heat pump
- Solar hot water heater
- Energy Star appliances
- Energy efficient lighting
- Insulated hot water pipes
- Seal and insulate all duct work
- Insulated concrete foundation
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- Rainwater collection
- Dual flush toilets
- Low off-gassing carpets
- No or low VOC paints, stains
- Recycled gypsum wallboard
- Recycled construction waste
- Reclaimed bricks, stone, timbers
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