17211.
(a) A taxpayer may elect to take as a deduction an amount equal to 25 percent of the cost paid or incurred by the taxpayer during the taxable year for qualified energy conservation measures installed on, or taken with respect to, any residential dwelling or small commercial building in this state.(b) For purposes of this section:
(1) “Qualified energy conservation measures” means both of the following:
(A) Energy load reduction systems.
(B) Energy audits for the residential dwelling or small commercial building.
(2) “Energy load reduction systems” means the installation, by a professional installer licensed by the state, of any passive system capable of saving a minimum of 5 percent in the amount of energy for cooling, as determined in accordance with standards and methods established by the California Energy Commission, the residential dwelling or small commercial building, including, but not limited to, the following:
(A) Roofs.
(B) Radiant barriers.
(C) Attic, wall, and floor insulation.
(D) Window shading, including shades, awnings, shadescreens, trellises, and solar control window film.
(E) Duct efficiency improvements, including duct air sealing, duct blaster testing, duct insulation, and duct design and airflow modifications.
(3) “Passive systems” includes only those systems that do not require intervention or augmentation by other systems to adjust or otherwise turn them on or off, and that do not require electricity or hydraulic or other mechanical devices to make them useful or effective.
(4) “Small commercial building” means a building in which less than an average of 50 kilowatt hours per day are used based upon the previous year’s usage, as certified by the utility that provided the electricity.
(c) The deduction allowed by this section shall not exceed seven hundred fifty dollars ($750) per taxable year in the case of a residential dwelling, and one thousand five hundred dollars ($1,500) in the case of a small commercial building.