T8 vs T12 fluorescent tubes explained: size, watts, ballasts, whether they’re interchangeable, and which LED tubes or kits replace each one.

Local Law 97 gives New York City building owners another reason to review their lighting: electricity use contributes to the emissions counted against a building’s annual limit. Lower-wattage fixtures and better controls can reduce that electricity use while cutting operating costs. The useful question is how much of your building’s emissions gap the lighting work can close. An office with fluorescent fixtures left on after hours has a different opportunity from a building th