Local Law 97

What buildings does LL97 apply to?

• Buildings over 25,000 gross square feet

• 2+ Buildings on the same tax lot that together are over 50,000 gross square feet

• 2+ Buildings owned by a condo association that are governed by the same board of managers and that together exceed 50,000 gross square feet.

When does LL97 come into effect?

Local Law 97's first compliance period begins in 2024, with stricter limits taking effect in 2030. A 2022 city analysis revealed that 11% of buildings required to comply with the law exceeded emissions limits for the 2024-2029 compliance period, and 63% exceeded limits for the 2030-2034 period.

LL97 Article 321 - 13 Prescriptive Energy Conservation Measures:

• Adjusting temperature set points for heat and hot water to reflect appropriate space occupancy and facility requirements.

• Repairing all heating system leaks

• Maintaining the heating system, including but not limited to ensuring that system component parts are clean and in good operating condition.

• Installing individual temperature controls or insulated radiator enclosures with temperature controls on all radiators.

• Insulating all pipes for heating and/or hot water.

• Insulating the steam system condensate tank or water tank.

• Installing indoor and outdoor heating system sensors and boiler controls to allow for proper set-points.

• Replacing or repairing all steam traps such that all are in working order.

• Installing or upgrading steam system master venting at the ends of mains, large horizontal pipes, and tops of risers, vertical pipes branching off a main.

• Upgrading lighting to comply with the standards for new systems set forth in section 805 of the New York city energy conservation code and/or applicable standards referenced in such energy code on or prior to December 31, 2024. This provision is subject to exception 1 in section 28-310.3, provided that July 1, 2010 is replaced by January 1, 2020 for the purposes of this section.

• Weatherizing and air sealing where appropriate, including windows and ductwork, with focus on whole-building insulation.

• Installing timers on exhaust fans.

• Installing radiant barriers behind all radiators.

Each building that is subject to LL97 Article 321 must ensure that these 13 PECM's must be implemented into the their building by December 31, 2024 where applicable. Article 321 has 2 requirements, the penalties for not complying are $10,000 for not submitting the requires report and $10,000 for not demonstrating compliance.

All properties subject to LL97: Click Here

Handout on LL97 Article 321: Click Here

Filing guide on Article 321: Click Here

For all other information: Click Here