A field-tested freeze protection guide for BAS: what to check, how to test AHUs, hydronic loops, and snowmelt, so you prevent cracked coils and costly calls.

“Auto” lies when something upstream has control. Find hidden overrides, VFD Local, bypass, safeties, priority arrays, and fix RS-485 noise that mimics overrides.

Thermal cameras expose BAS failures you’d never catch otherwise, leaks, overheating relays, airflow issues. Here’s how to use them.

Zone temps lie for predictable reasons. Use this 15-minute truth test and fix order to prove what’s real and stop callbacks.

Economizers should save you money, unless the OA damper is stuck or the logic is wrong. Use this field-ready guide to diagnose, repair, and lock in real savings.

The most dangerous number in your BAS is the one that looks normal. Learn how default setpoints and sensor fallbacks hide in plain sight and how to catch them fast.

Since then, I’ve never underestimated the impact of BAS config settings. Here are six that are almost always overlooked, but can quietly make or break a system.