The City of Berkeley has an ordinance requiring certain energy conservation measures to be installed in residential and commercial properties upon the sale of the building or major renovations over $50,000 in valuation.
The Commercial Energy Conservation Ordinance (CECO) requires commercial property owners selling or renovating their property to install a variety of energy conservation measures for HVAC equipment, water systems, lighting, commercial refrigeration equipment, motor-driven equipment and the building envelope. The maximum total cost of the energy conservation measures to be installed upon sale of a commercial building is the lesser of one percent of the assessed value prior to sale or one hundred fifty thousand dollars. Upon subsequent sales of the building, any remaining energy conservation measures shall be installed subject again to the expenditure limit. The maximum cost for measures installed upon a major renovation is the lesser of five percent of the total construction cost or one percent of the assessed value of the entire building prior to the renovation.