Papadopoulos Engineering PLLC is a Massachusetts-based engineering firm led by a dual-licensed Professional Engineer (PE) in Fire Protection and Mechanical Engineering. We specialize in designing code-compliant systems for residential, commercial, and energy storage facilities. 🔧 Our Services Include: • Fire alarm & sprinkler system design (NFPA-compliant) • Hydraulic calculations & fire flow analysis • Mechanical (HVAC) and plumbing design • PE review, stamps, narratives, and affidavits • Battery Energy Storage System (BESS) fire protection consulting • Fire alarm submittals, permitting, and test witnessing 📍 Serving Greater Boston, Eastern MA, and projects across Ma NY VA Licensed | Insured | Fast Turnaround | Permit-Ready Drawings 📧 Email: leon@papadopoulosengineering.com 🌐 Web: www.papadopoulosengineering.com Let us help you protect your building – engineered for safety and compliance. I stamp mechanical and FP drawings