Retrofits
Retrofits That Actually Move Your LL97 Number
Not all retrofits are equal under Local Law 97. For a pre-war co-op, the same dollars spent in a different order can differ by six figures in net cost. Here's the sequence that works.
Sean LibuttiRead →
RECs · Straight talk
What Tier 4 RECs Can — and Can't — Do for Your Building
Renewable energy credits are the most oversold product in LL97 compliance. Here's what the rules actually allow, why they don't work on steam-heated buildings yet, and when they become the right tool.
Sean LibuttiRead →
Compliance
Navigating Local Law 97: A Co-op Board's Field Guide
The law is in force, the penalties are running, and most guidance is written for institutional landlords. Here's what LL97 actually requires of a volunteer board — and the order to do it in.
Sean LibuttiRead →