N.Y.C. Admin. Code § 6-306: § 6-306 Energy efficiency standards.

a. Any energy-using product purchased or leased by any agency for which the United States environmental protection agency and the United States department of energy have developed energy efficiency standards for compliance with the Energy Star program shall be ENERGY STAR labeled.

b. Any faucet, showerhead, toilet, urinal, fluorescent tube lamp, fluorescent ballast, industrial HID luminaire, downlight luminaire, fluorescent luminaire or compact fluorescent lamp that is purchased or leased by any agency for which the federal energy management program of the United States department of energy has issued product energy efficiency recommendations shall achieve no less energy efficiency or flow rate than the minimum recommended in such recommendations.

c. Unless the director makes a determination otherwise for any particular contract, any air-cooled chiller or water-cooled chiller that is purchased or leased by any agency for which the federal energy management program of the United States department of energy has issued product energy efficiency recommendations shall achieve no less energy efficiency or flow rate than the minimum recommended in such recommendations.

d. Beginning January 1, 2008, the director shall make a determination whether or not any product not specified in subdivisions a or b of this section that is purchased or leased by any agency for which the federal energy management program of the United States department of energy has issued product energy efficiency recommendations shall achieve no less energy efficiency or flow rate than the minimum recommended in such recommendations. The director shall review any such determination not to require compliance with the federal energy management program for any product at least once every two years.

e. Beginning 12 months after the effective date of the local law that added this subdivision, no agency shall purchase or lease any desktop computer, desktop-derived server, laptop, electronic notebook, computer tablet, or other such similar computer product unless it meets applicable EPEAT standards, or another standard selected by the director that is similar in function and no less restrictive. This prohibition shall not apply to a purchase or lease of such a product if:

1. no such EPEAT standard applies to such product; or

2. prior to July 1, 2022, the director determines in writing that products that meet applicable EPEAT standards, or such other similar standard selected by the director, are not available in sufficient quantities or cannot be purchased on reasonable terms.

f. No lamp purchased or leased by any agency shall be an incandescent lamp, including but not limited to a halogen lamp.