The International Association of Plumbing and Mechanical Officials (IAPMO®) has published IAPMO IS 34 (Installation Standards for Solar PV and Energy Storage Systems), the result of a memorandum of understanding between IAPMO, the Los Angeles Department of Water and Power (LADWP) and National … Continue reading IAPMO publishes Installation Standard (IS 34) for residential solar photovoltaic and energy storage systems