Insights
Plain answers about the systems that run your buildings.
Practical notes on controls security, energy performance and indoor air, written for the people who run buildings.
CONTROLLER SETPOINT
-20 °C → 50 °C
Forced defrost, French supermarkets, 11 to 12 October 2026
Featured · Security · 6 min · 18 OCT 2026
Refrigeration controls were attacked in France. Five checks for any building.
The same controllers, remote-access habits and old firmware are in stores and buildings everywhere. Here's what to check this week.
Read the article →All articles
Performance · 6 min
When power prices change by the hour, your building can respond
Pre-cooling, load shifting and grid signals, and why the basics come first.
Security · 5 min
Remote access: the door your contractors leave open
How to keep remote service without leaving controllers on the open internet.
Security · Performance · 4 min
Your BMS says 21 °C. How would you know if it's wrong?
Faulty sensors waste energy; tampered ones hide attacks. The case for a second reading.
Performance · 5 min
Five signs your building controls have drifted
Rules that fight each other, plant running at night, overrides nobody remembers.
Performance · 6 min
Fix before you replace: getting more from an existing BMS
Why most savings sit in rules and settings, not new equipment.
Performance · 5 min
Why savings fade, and how to keep them
What happens in the years after a tune-up, and what monitoring changes.
Air · 5 min
Indoor air: what to measure, and what the numbers mean
CO₂, particles, temperature and humidity explained for people who run buildings.