Knowledge
Engineering Knowledge
Practical, field-oriented writing on building controls — no theory without a use for it.
BACnet
9 min read
BACnet MS/TP Troubleshooting: A Practical Field Guide
A systematic checklist for diagnosing trunk loading, termination, and noise issues before replacing hardware.
Visakh · 2026-06-02
HVAC Controls
11 min read
Understanding AHU Control Sequences
How supply air, mixed air, and economizer sequences interact — and where most tuning problems actually originate.
Visakh · 2026-05-19
Controls Theory
8 min read
PID Control in HVAC Applications
A practical, non-academic walkthrough of proportional, integral, and derivative tuning for coils and valves.
Visakh · 2026-04-27
Energy Performance
10 min read
Chiller Plant Sequencing Fundamentals
Load-based, efficiency-based, and hybrid staging strategies, with lead/lag rotation approaches that hold up in the field.
Visakh · 2026-03-14
Commissioning
7 min read
BMS Commissioning: From Graphics to Performance
Why a system that looks complete on the graphics page can still fail a functional performance test.
Visakh · 2026-02-08