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Engineering Knowledge, Shared

Technical articles on energy compliance, HVAC design, and the practical realities of mechanical engineering in Southern California.

California Title 24 energy compliance documentation

Title 24-2025: What Changed for Mechanical Engineers

California's latest energy code update brings significant changes to HVAC efficiency requirements, heat pump mandates, and documentation procedures. Here's what you need to know for your next permit submission — and the modeling pitfalls we're seeing in the field.

ASHRAE Standard 90.1 compliance review

ASHRAE 90.1-2022: Key Mechanical Provisions

A practical summary of the mechanical provisions that matter most for commercial HVAC design — economizer requirements, fan power limits, and the new energy recovery mandates.

Laboratory HVAC design and vivarium ventilation

Designing HVAC for BSL-2 Laboratories: Pressurization & Exhaust

Lab HVAC isn't just about air changes — it's about directional airflow, containment integrity, and redundancy. A primer on getting BSL-2 mechanical systems right the first time.

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