Blog & insights
Practical guidance on building energy modeling, certification and the codes that shape modern buildings.
The 2025 NYC Energy Conservation Code takes effect for jobs filed on or after March 30, 2026. Here's what's changing — electrification, tighter HVAC and lighting — plus how it ties into Local Law 97.
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A clear comparison of the 2016 and 2019 editions — lighting power density, envelope, HVAC and Appendix G — and what the differences mean for your energy model.
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A plain-English introduction to whole-building energy simulation: what it is, how it works, and why it's the key to passing energy codes and earning green-building certifications.
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