Tech OVN

Energy Management System for Commercial Buildings, Offices & Malls

An Energy Management System (EMS) for commercial real estate — per-tenant chargeback billing, BMS integration, HVAC and chiller-plant optimisation, and LEED / IGBC / GRIHA / BRSR-aligned reporting. Class 0.5S Titan meters, multi-site cloud dashboard, deployed across malls, IT parks, office towers, and mixed-use developments.

Class 0.5S (IEC 62053-22)AccuracyTenant Billing · BMS · ESGUse CasesLEED · IGBC · GRIHA · BRSRRatingsEcoStruxure / EBI / Desigo / MetasysIntegration
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Tech OVN Energy Management System for commercial buildings — tenant submetering and BMS integration

Flat-Rate Billing Hides Waste. So Does Aggregated Consumption.

In most commercial buildings, tenants are billed on a flat per-sqft basis, common-area HVAC runs on a fixed schedule whether occupied or not, and the only line of sight building owners have into consumption is the monthly utility bill. A real Energy Management System replaces all of that with per-tenant, per-floor, per-asset visibility — turning consumption data into chargeback bills, BMS optimisation inputs, and ESG disclosures.

The Tech OVN EMS combines Class 0.5S Titan meters with a multi-tenant cloud platform built for commercial real estate. Deployed across malls, IT parks, office towers, and mixed-use developments — by building owners, property managers, REIT asset managers, and ESG / sustainability teams. Integrates natively with the BMS you already run.

What a Commercial-Building EMS Does

Six capabilities that turn passive building data into tenant bills, BMS optimisation, and ESG disclosures.

Per-Tenant, Per-Floor Submetering

Class 0.5S meters at every tenant supply, every floor, every common-area panel. Tenant-level chargeback with audit-ready bills replaces flat-rate billing — and exposes the floors quietly drawing 2× the average.

BMS Integration (BACnet / Modbus)

Titan meters feed your building management system over BACnet/IP or Modbus TCP. Whether you run Schneider EcoStruxure, Honeywell EBI, Siemens Desigo, Johnson Metasys, or an in-house BMS — no rip-and-replace, no per-integration fee.

HVAC & Chiller Plant Optimisation

Chillers, AHUs, cooling-tower fans, and pumps submetered individually. Identify the chiller running at the wrong sequence, the AHU that's still on after-hours, and the cooling-tower fan losing performance over time.

After-Hours & Phantom Load Detection

Real-time alerts for loads running outside scheduled hours. Phantom power, idle equipment, and after-hours HVAC are typically the biggest 10–30% energy savings opportunity in a commercial building — and the easiest to act on.

ESG / BRSR / LEED / GRIHA Reporting

Auto-calculated Scope 2 carbon emissions, renewable mix percentages, EPI (Energy Performance Index) per sqm. Audit-ready reports for BRSR (Business Responsibility & Sustainability Reporting), LEED EAc credits, IGBC / GRIHA assessments, and CDP submissions.

Multi-Property Portfolio View

Benchmark energy intensity across your buildings — kWh per sqm, kWh per occupied seat, EPI per asset. Identify your most efficient property and replicate its operating pattern across the portfolio.

Frequently Asked Questions

BMS vs EMS, tenant billing, LEED / IGBC / GRIHA, BRSR, ROI — common questions from building owners, property managers, and ESG teams.

A BMS (Building Management System) controls HVAC, lighting, and access at a building level. An EMS focuses specifically on measurement, analysis, and optimisation of energy consumption — usually overlaid across the BMS. The Tech OVN EMS feeds Class 0.5S energy data into your existing BMS over BACnet or Modbus (so chiller-sequencing logic in the BMS gets accurate inputs), and at the same time pushes that data to a multi-site cloud dashboard with tenant chargeback, ESG reporting, and benchmarking that no BMS does well on its own.
Yes. Class 0.5S Titan meters at every tenant supply give revenue-grade accuracy. The platform supports multi-tenant access (each tenant sees only their own consumption), automated monthly invoicing, configurable tariff structures (TOU, demand charges, slabs), and audit-ready supporting data for dispute resolution.
Yes. The platform auto-calculates EPI (Energy Performance Index) per sqm, tracks consumption against ECBC and LEED baselines, and exports the evidence needed for LEED EAc credits (Existing Buildings: Operations & Maintenance, BD+C, ID+C), IGBC Green New Buildings ratings, and GRIHA assessments. Used by green building consultants across India.
BRSR Principle 6 (environment) requires disclosure of total energy consumption, energy intensity per rupee of turnover, and renewable energy share. The EMS provides these metrics automatically — per asset, per portfolio, per year — with audit-ready supporting data. Scope 2 emissions are auto-calculated using region-specific grid emission factors and renewable PPA inputs.
Most commercial buildings recover the cost of meters + cloud platform within 12–18 months. Industry studies consistently show 10–30% energy cost reduction in the first year — driven by after-hours load identification, HVAC schedule corrections, chiller-plant optimisation, and tenant behaviour change once they see their own consumption on a dashboard.

Tenant chargeback, BMS optimisation, ESG-ready — on one platform

Talk to our team about a pilot at one building. Class 0.5S Titan meters, native BMS integration, LEED / IGBC / GRIHA / BRSR-aligned reporting.

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