Smart HVAC & Building Energy Management

Unified HVAC Control, Energy Monitoring & Building Automation

One platform to manage HVAC equipment, energy consumption, operating costs, alarms and building operation strategies.

YUJU Smart HVAC & Building Energy Management Platform — System Login

Why Buildings Need Unified HVAC & Energy Management

In many buildings, VRF systems, AHUs, electricity meters and lighting systems operate independently. Each subsystem may work correctly, but the building operator still lacks a complete view of how equipment, energy use, tenant activity and operating costs are connected.

The purpose of smart building management is not simply to move equipment switches onto a computer or mobile interface. The real value comes from connecting equipment, energy, costs and operating strategies into one operational logic.

Which equipment is running? Who is using it? How much energy is being consumed? What does it cost? Where is energy being wasted? Is any equipment operating abnormally?

Multi-Brand VRF Centralized Control

For buildings with dozens or hundreds of indoor HVAC units, room-by-room manual operation creates significant management complexity.

YUJU can integrate compatible VRF systems into a centralized management platform according to the actual equipment model, manufacturer communication protocol and available interface.

YUJU uses an open integration approach rather than relying on the proprietary management platform of a single HVAC brand. The actual integration method is determined after confirming the equipment model, communication protocol, available read/write points and project requirements.

AHU Integration & Centralized Management

Large buildings often use Air Handling Units (AHUs) together with VRF, chillers or other HVAC systems. AHUs may handle supply air, return air, fresh air, air circulation, heating, cooling, filtration and other air treatment functions.

YUJU can integrate compatible AHUs into the same building management platform according to the AHU controller architecture, communication protocol and available data points.

Available monitoring and control points depend on the actual AHU configuration and communication interface. By integrating VRF and AHU systems into one platform, operators gain a more complete view of building HVAC operation.

HVAC Energy Metering & Tenant Billing

For multi-tenant office buildings, commercial properties, industrial parks, apartments and mixed-use developments, centralized HVAC control is only the first step. A more practical operational question is:

How much HVAC energy did each tenant actually use, and how should the cost be allocated?

Traditional billing based only on floor area may not accurately represent actual HVAC usage. YUJU can establish project-specific energy allocation and billing logic using available data such as:

Equipment Operating Data + Energy Consumption + Smart Meter Data + Room / Tenant Mapping + Electricity Tariff

Depending on project architecture and available metering data, building operators can analyze room or tenant HVAC usage, operating time, energy consumption, calculated cost and historical billing records.

Building Energy Monitoring & Data Analytics

YUJU Building Management Dashboard — HVAC Operation, Energy Monitoring and Data Analytics

Energy data becomes more valuable when it can be analyzed rather than simply recorded. YUJU can organize available energy information by equipment, room, tenant, floor or building zone.

The objective is not only to know how much energy a building consumed, but also to understand where, when and by which equipment the energy was consumed.

Smart Electricity Meter Integration

Reliable energy management begins with reliable metering. YUJU can integrate compatible smart electricity meters for different floors, tenants, zones or equipment groups.

Depending on the data available from the selected meter, the platform may monitor:

Sub-metering allows facility managers to move from asking “How much electricity did the entire building use?” to understanding which zone consumes the most energy, when peak consumption occurs, which equipment shows abnormal use and how much energy is actually associated with HVAC operation.

Lighting Control on the Same Platform

Building energy management is not limited to HVAC. Depending on the lighting system and communication conditions, YUJU can also integrate compatible lighting devices into the same platform.

Available functions may include lighting ON / OFF, dimming, color temperature control, individual control, zone control, group control and scheduled operation.

Scenario	Example Operating Strategy
Working Hours	Activate selected HVAC zones and public-area lighting.
After Hours	Shut down unnecessary HVAC equipment and office lighting.
Overtime Mode	Keep only occupied zones operating.
Holiday Mode	Reduce unnecessary equipment operation according to preset schedules.

Open Multi-Brand Equipment Integration

One of the biggest challenges in existing building upgrades is not the absence of equipment, but the presence of too many different brands and isolated control systems.

YUJU follows a project-based integration process using available communication interfaces such as:

RS485 · Modbus RTU · Modbus TCP · Device-Specific Communication Interfaces

This approach is especially valuable for existing offices, commercial buildings and industrial parks where original equipment may be retained while centralized management is added according to actual site conditions.

Device Discovery, Registration & Asset Management

For compatible devices using supported communication protocols, the system can scan configured address ranges, identify online devices and support device registration, naming, room assignment and subsequent management.

This can reduce repetitive manual data entry during commissioning and simplify large-device deployments.

Scheduling & Scenario Automation

Building energy waste is not always caused by low equipment efficiency. In many projects, unnecessary operating hours create significant avoidable consumption.

YUJU can configure automatic operating strategies according to actual building schedules.

Alarm Management & Proactive Maintenance

Traditional facility maintenance often follows a reactive process: equipment fails, users complain, the facility team investigates, and maintenance is arranged.

Equipment Abnormality → System Detection → Alarm Generation → Facility Response

Depending on the actual data provided by connected equipment, the system can monitor device offline status, communication faults, fault codes, abnormal temperatures and selected AHU operating conditions.

Important alarms can also be assigned or pushed to responsible personnel according to project configuration.

Floor Map Visualization

In large buildings, managing equipment only by device number is not intuitive. The platform can display equipment on floor plans so facility personnel can locate HVAC, lighting and related devices by physical space.

Operators can select a device point to view status and available management information, creating a more visual understanding of building operation.

Role-Based User Permissions & Operation Logs

Role	Example Permissions
Administrator	System, device, account and full management permissions.
Engineer	Commissioning, communication and equipment operation management.
Operator	Daily equipment operation such as ON/OFF, temperature and fan settings.
Viewer	Read-only access to system and operational data.

The platform can also record important operation logs, helping facility teams review who performed an action, when it occurred and which equipment was affected.

Local Operation + Network Management

Critical building equipment should not depend entirely on an external internet connection.

YUJU adopts a local operation + network management architecture. If the external internet connection is interrupted, the on-site control system can continue operating within the local network environment.

Depending on project configuration, a local Wi-Fi access method can also be provided for on-site management during external network interruptions.

Suitable for New Buildings & Existing Building Retrofits

Application	Typical Management Requirement
Office Buildings	VRF/AHU centralized control, lighting and schedules.
Multi-Tenant Offices	HVAC billing and tenant energy reporting.
Industrial Parks	Multi-zone equipment management and sub-metering.
Commercial Complexes	Tenant HVAC, electricity metering and cost management.
Hotels / Apartments	Room HVAC and centralized energy management.
Schools	Classroom HVAC, AHU and lighting schedules.
Factories / Office Campuses	AHU, HVAC, meters and lighting on one platform.
Existing Building Retrofit	Multi-brand equipment integration and centralized management.

A Project-Based Platform, Not a Fixed Software Package

Every building is different. HVAC brands, AHU control methods, communication protocols, smart meters, lighting systems, device quantities and tenant billing rules can vary significantly from one project to another.

For this reason, YUJU focuses on project-specific system design and integration rather than selling one fixed software configuration for every building.

As building requirements evolve, additional compatible mechanical, electrical and energy devices with suitable communication interfaces can be integrated according to project conditions.

From Equipment Control to Intelligent Building Operation

The value of the YUJU Smart HVAC Billing & Building Energy Management System is not simply putting equipment controls onto a screen.

VRF + AHU + Smart Meters + Lighting + Energy + HVAC Billing

Transform independent building systems into one intelligent management platform designed for real operational needs.

Why Choose YUJU EnvironTech

Frequently Asked Questions