Services

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Consultancy

We help clients define the right automation direction before execution begins.
Through technical advisory, scope review, and smart building planning, en-tom ensures every BMS, BAS, and IoT project starts with clarity, efficiency, and future-ready thinking.

BMS / BAS Consultancy
Technical advisory for Building Management Systems and Building Automation Systems across project stages.
Guidance on automation, integration, monitoring, and future-ready smart infrastructure planning.
Advisory on smart sensors, gateways, data acquisition, cloud monitoring, and connected building systems.
Reviewing project specifications, drawings, MEP requirements, and automation scope.
Defining the right automation scope while avoiding under-design, over-design, or unnecessary cost.
Independent engineering recommendations that are not tied to a specific product or manufacturer.
Consultancy to improve building performance, energy usage, comfort, and operational visibility.
Guidance on ASHRAE, BACnet, Modbus, LonWorks, LEED-supportive automation, and open-protocol strategies.
Supporting contractors, consultants, and system integrators with technical inputs during tendering and bidding.
Consultancy for remote monitoring, analytics readiness, and future integration with digital twin or AI-assisted systems.

Engineering

We transform project requirements into precise, execution-ready engineering packages.
From I/O estimation and controller selection to BOQs, sequences, and technical submittals, en-tom supports consultants, contractors, and system integrators with reliable engineering depth.

I/O Point Estimation
Complete Input / Output point schedules to ensure proper system coverage and accurate project sizing.
Selection and sizing of Direct Digital Controllers based on points, capacity, topology, and project needs.
Technical selection of sensors, valves, actuators, dampers, transmitters, meters, and related devices.
Development of material quantity take-offs and Bills of Quantities aligned with project specifications.
Support for DDC panel architecture, component selection, panel schedules, and internal layouts.
BAS / BMS network topology planning using protocols such as BACnet, Modbus, and LonWorks.
Preparation of clear control narratives for HVAC, chilled water, ventilation, lighting, and related systems.
Preparation and coordination of technical documentation for consultant review and approval.
Optimizing system architecture, device selection, and project quantities without compromising performance.
Engineering support during project implementation, coordination, revisions, and site-stage clarification.

Design

We create clear, coordinated, and site-ready design documentation for smart building systems.
Our design work covers system architecture, control schematics, wiring diagrams, risers, panel layouts, and as-built support for seamless approval and implementation.

BMS / BAS System Design
Complete design support for building automation and management systems.
Development of centralized control architecture, communication layouts, and integration diagrams.
Design of BMS / BAS network structures including controllers, panels, workstations, and third-party systems.
Detailed schematics showing system logic, control flow, and equipment interfaces.
Vertical system diagrams showing panel, device, floor, and network connectivity.
Power and control wiring documentation for field devices, panels, and controller connections.
Detailed schedules showing point-to-controller termination and field wiring requirements.
Installation-oriented design details for sensors, actuators, valves, dampers, and other field devices.
General arrangement drawings, component placement, and panel internal wiring layouts.
Updating design documentation to reflect final approved or installed project conditions.

en-tom is a specialized consultancy and engineering company delivering smart building automation solutions across BMS, BAS, and IoT, helping consultants, contractors, and system integrators design efficient, connected, and future-ready building systems.

© 2026 en-tom. All rights reserved. Engineering Tomorrow.

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