HVAC, meters, controls
Building management and automation integrated with your systems
Designed around your operating problem, integrated with your systems, and running as a working pilot in 6 weeks.
- Building management system
- Building automation
- BACnet gateway
- Energy management software

BACnet, Modbus, MQTT
Portfolio visibility
BMS data without another silo
We connect HVAC, BMS, metering and control data through open gateways so operators keep ownership of data and integration logic.
BACnet and Modbus integration
Energy and comfort data
Portfolio-level visibility
- Building01HVAC, meters and controlsExisting BMS, metering and control equipment stays in place.
- Building02BACnet and ModbusData is read through the protocols the building already speaks.
- Edge03Open gatewayIntegration logic and data stay under the operator's ownership.
- Your systems04MQTT to your platformEnergy, comfort and alarm data for portfolio-level visibility.
From compliance to operation

Use building data for energy management, remote diagnostics, alarms and operational reporting without replacing every existing system.
Building automation
Energy management
Remote access and alarms

Building management
HVAC, alarms and energy data from every building in one open view, read-only from available BMS, plant and meter data over BACnet, Modbus or M-Bus.
MS-DS-BLD-2026-49 · PDF · 6 pages · English
FAQ
01What is a building management system?
A BMS connects building equipment such as HVAC, meters and controls so operators can monitor and optimize comfort, uptime and energy use.
02Do you work with BACnet?
Yes. BACnet, Modbus and MQTT are typical protocols in building and industrial integrations.
03Is this a SaaS BMS?
No. Melqart builds open connectivity and integration layers around the systems you choose to own or operate.
Scope this solution for your estate
We connect the technical architecture to a concrete implementation scope.