Central AC Time-Based Billing System & HVAC Sub-Metering Solution

Central Air Conditioning Time-Based Sub-Metering Solution

The central air conditioning time-based sub-metering system is built on the BMS intelligent management and control platform to provide an energy metering solution. It enables real-time statistics on cooling and heating energy usage and costs within a building, helping to monitor energy consumption and the operation status of HVAC equipment. The system supports centralized monitoring and control, facilitates operations and maintenance, and simplifies billing management. It is suitable for schools, hotel-style apartments, office buildings, hospitals, and other public or existing buildings.

Solution Diagram

Diagram of Central Air Conditioning Time-Based Individual Billing System

Main Functions

Centralized Control Management

Manage all AC units and systems centrally through a unified platform. Supports access control, hierarchical management, regional and batch control, improving operational efficiency and system visualization.
Real-Time Monitoring System

Real-time monitoring of equipment data, remote control of systems and terminals, with instant status updates and fault detection.
Time-Based Billing

Applicable to commercial, industrial, office, and campus settings. Supports diverse scenarios and complies with LEED, BREEAM, and domestic green building standards.
Alarm Function

Set alarm points for key equipment metrics. Real-time alerts and 24/7 access to alarm logs and history.
Report Export

Print detailed bills and reports, or export them as Excel files.
Operation Log Query

View and manage user operation records for responsibility tracking and audit purposes.
Auto Settlement

The system automatically deducts usage fees in prepaid mode, helping to avoid underpayment or disputes.
Power Cutoff on Arrears

If a user is in arrears, the system can automatically cut off power (optional), preventing excessive usage and encouraging timely payments.
SMS Notifications

Sends SMS alerts to users for account balance, low credit, overdue fees, and other important information.

Application Scenarios

Centralized control for large areas, remote monitoring and maintenance.

Automatic mode switch between workdays and holidays for energy efficiency.

Multi-floor and multi-tenant management with automatic cost allocation.

Related Products

Networked Billing Thermostat

SAS921XFCT-4-7-LORAWAN

● Power Supply: 100–240VAC, 50/60Hz
● Temperature Display Range: 0–50°C
● Temperature Control Range: 5–35°C (configurable)
● Temperature Control Accuracy: ±1°C
● Temperature Setting Accuracy: ±0.5°C
● Operating Environment: 0–50°C
● Storage Environment: -10–60°C
● Protection Rating: IP20
● Maximum Valve Load Current: 3(2)A
● Maximum Fan Load Current: 5(3)A
● Dimensions: 86 × 86 × 14 mm

Networked Billing Thermostat

SAS920FCT-2-7-485

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