R13 spray foam under basement slab/on crawlspace floor – Makes basement and first floors more comfortable for your feet and reduces energy use and cost R23 exterior walls and R49 attics – High insulation values reduce energy use and cost R4 rigid exterior insulation – An extra layer of insulation over the outside of the walls exterior to keep walls studs from radiating heat, reducing energy use and costs. Also reduces the chance for condensation in the wall cavity AeroBarrier air sealing system – proprietary, blown-in air sealing system that seals gaps in the home to keep warm air in the living space, reducing energy use and the potential for condensation in the walls Jeld-Wen vinyl windows with SunStable and HeatSave Low-E coatings – Substantial improvement in insulation value and comfort reducing energy use and costs Mitsubishi Hyper-Heat cold weather heat pump – Provides comfortable, reliable all-electric heat (and cooling!) at similar operating costs to a traditional forced air, natural gas furnace Load calculations for each space so HVAC equipment is properly sized - Increases comfort and efficiency when the correct equipment is specified and installed Energy Recovery Ventilator – Brings in fresh, outdoor air to help keep indoor air quality at healthy levels without sacrificing energy efficiency AOSmith Voltex Hybrid water heater on main floor – electric heat pump water heater that delivers hot water at the tap more quickly with similar operating costs as a traditional natural gas water heater Delta WaterSense Fixtures – Quality, water efficient faucets, shower heads and toilets that reduce water consumption while still providing an excellent user experience Zero Down Solar Photovoltaic System – Fixed monthly payment for clean energy without increasing the purchase price of the home Shaft Liner (included with paired home) – Significant sound and fire separation between homes for quiet, comfort and peace of mind