General

Building automation evolved from pneumatic controls to electronic DDC to IP networks to cloud and IoT, each era solving the limits of the last. Knowing the history explains why legacy systems on site behave the way they

SCADA suits fast industrial processes with high-speed telemetry; a BMS suits building services like HVAC, lighting and energy with schedules and setpoints. They overlap in tools but do different jobs, and large sites oft

A BMS price is driven by point count, controller mix, integration scope and front-end licensing — not a single sticker number. Comparing lump-sum quotes hides these drivers, which is why three bids can differ threefold.

Geetha is touring a 'smart' apartment in Chennai OMR. The brochure says smart. The salesperson points at a Wi-Fi router. Geetha is not convinced — and she is right.

Manoj has installed AHUs, chillers, and ducting for twelve years. This week's tender drops a new line — 'BMS shall be by HVAC automation specialist'. He does not know where his scope ends and theirs begins.

# How Does an AHU Cool and Condition Air? ## The Complete Story — From Your Bathroom to a 10-Floor Building **Category:** HVAC Systems **URL:** /bms-library/qa/how-does-ahu-cool-and-condition-air **Tags:** AHU, cool

EnSmart Controls is an Indian BMS vendor offering the SmartNova Platform, a comprehensive solution including DDC controllers, supervisory software, and energy management tools, supporting open protocols like BACnet and M

BACnet/IP uses Ethernet for high-speed, enterprise-wide communication, leveraging standard IT infrastructure. BACnet MS/TP uses a slower serial RS-485 bus for cost-effective connection of field devices at the equipment l

BACnet is an open communication protocol for building automation and control systems, enabling devices from different manufacturers to interoperate and exchange data seamlessly. It standardises communication for HVAC, li