Prepare for a building energy audit with this practical checklist covering utility bills, HVAC records, equipment schedules, floor plans, and NYC LL87 requirements...
LL87:
Energy Audits
By NYC Energy Code
Team
29 October 2026
Featured stories
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LL87: Energy Audits Energy Audit Cost Per Square Foot: What Drives the Price?
Learn what commercial energy audits cost per square foot, what drives pricing up or down, and how LL87, ASHRAE Level II, building size, and complexity affect the final fee...
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LL87: Energy Audits Reading Your LL87 Audit Report: A Plain-English Guide
Learn how to read an LL87 energy audit report, understand EER findings, ECMs, and navigate compliance...
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LL87: Energy Audits How Retro-Commissioning Measures Get Reported Under LL87
Learn how retro-commissioning measures are documented and reported under NYC Local Law 87...
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LL87: Energy Audits ASHRAE Level 1 vs Level 2 Audits: What NYC Owners...
Understand the key differences between ASHRAE Level 1 and Level 2 energy audits for NYC buildings...
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LL 87 : Energy Audits What Happens During an Energy Audit? A Walkthrough for...
Learn what happens during an energy audit, what inspectors look for, how long it takes, and how the...
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LL 87 : Energy Audits LL87 Energy Audits: How Often Do You Really Need One?
Learn how often LL87 energy audits are required, which NYC buildings must...
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LL 87 : Energy Audits LL87 Due in 2026 for NYC Buildings: Tax Block Numbers...
Learn why your tax block number determines your compliance year and what NYC owners must prepare...
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LL 87 : Energy Audits What to Expect During an LL87 Energy Audit in NYC...
Learn the essential requirements for Local Law 87 energy audits and retro-commissioning in New York City...
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LL 87 : Energy Audits How LL87 Energy Audits Boost Building Energy Efficiency...
Discover how energy audits under Local Law 87 help building owners identify energy-saving...
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LL 87 : Energy Audits Why Energy Audits Under LL87 Are Crucial for NYC Buildings...
Understand why conducting energy audits under Local Law 87 is crucial for maintaining building performance...