AI-Enhanced MEPWhy RUHLai
70 Years of Proof, Applied to Your Building
We transform buildings into profitable, future-ready assets — maximizing energy efficiency while minimizing operational and capital expenditure. For Local Law 97, we develop actionable roadmaps to net-zero that keep owners under the cap and out of the yearly penalty.
Local Law 97
The clock is already running
Emissions limits have applied to many covered buildings since 2024. The first Article 320 compliance period runs through 2029, with tighter limits beginning in 2030. NYC has begun enforcement, but each building's obligations depend on its compliance pathway.
For the city's largest buildings as a group, LL97 targets a 40% emissions reduction by 2030 and net-zero by 2050.
For an Article 320 building 500 metric tons of CO₂e above its annual LL97 limit, the statutory calculation is $134,000 before adjustments or mitigation. A larger excess would produce a higher figure.
500 metric tons × $268 per ton = $134,000What NYC owners say
“RUHL has applied their global MEP expertise to our portfolio and delivered measurable value.”
Eric ChanDirector, Special Projects · Rockrose Development“A creative, forward-looking approach to modern MEP design, with energy efficiency at the center.”
Michael KeaveneyEVP · SAGE RealtyLocal Law 97, answered
What is building decarbonization?
Reducing a building's carbon emissions through energy-efficiency upgrades, electrification and clean energy. In NYC, buildings account for roughly 70% of total carbon emissions — so the building stock is where the largest reductions are won.
What is Local Law 97?
NYC's landmark climate law sets carbon-emission caps for most buildings over 25,000 ft², tightening in 2024 and again in 2030. Owners over their cap pay a penalty of $268 per metric ton of CO₂e per year.
How can I avoid LL97 fines?
Get a baseline carbon assessment, then prioritize the measures with the best return: efficiency upgrades, electrification of heating, and on-site or procured renewables. RUHLai builds the roadmap that keeps you under the cap at the lowest cost.
Are there incentives to offset the cost?
Yes. Incentive programs can offset up to 50% of project cost depending on the measures, and we factor available incentives into every roadmap.
How much can smart-building technology save?
Controls, sub-metering and a building-management system typically cut energy use a further 10–25% on top of equipment upgrades — often among the fastest-payback measures.
What energy savings are typical?
A well-designed decarbonization project commonly delivers 20–40% energy-cost savings while raising the asset's market value through improved sustainability performance.
Your next step
See what LL97 means for your building
Start with a free PreCheck using public building data, or talk with an engineer about your building and a path forward.