| San Bernardino, 2011, JN11017Program: Project  is to demonstrate the feasibility of retrofitting a low-income single family  home to achieve zero net energy. HVAC: Variable refrigerant flow ductless and ducted split heat pump system. Whole house fan for night purge/structure cooling.Services performed: HVAC and plumbing engineering and drawings for City of San Bernardino plan review and competitive bidding.Plumbing: Tankless gas-fired water heater with solar thermal preheating.
 Prime Consultant and Energy Modeling: Ecotype Consulting, Redlands.Architect: Michael Burke Design, Redlands.
 Renewables Consultant: Cleverco, Redlands.
 Electrical Engineer: JCA Engineering, Highland.
 
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