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Smart HVAC Remote Monitoring
with Different Types of IoT Sensors

Monitor and Optimize HVAC with Real-Time Insights on Temperature,
Humidity, Airflow, and Energy Efficiency

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hvac monitoring sensors application

Smart HVAC Remote Monitoring in
the IoT Era

The Internet of Things (IoT) has reshaped how buildings manage comfort and efficiency. HVAC systems, including chillers, air handling units, pumps, and thermostats, are no longer isolated. Connected to IoT networks, they provide a constant stream of performance data to facility managers to monitor fluctuations in real-time.

HVAC monitoring sensors are specialized devices that continuously collect environmental and equipment data to optimize heating, cooling, and indoor air quality while improving energy efficiency and reliability. Integration with cloud platforms or building management systems (BMS) enables centralized management and automated control.

Milesight offers a range of LoRaWAN®-enabled HVAC monitoring sensors and related IAQ, occupancy detection devices to help manage, optimize, and diagnose HVAC systems.

Milesight Integrated HVAC Monitoring & Automation Solution

Milesight HVAC monitoring and automation solution integrates temperature and humidity sensors, CO₂ detectors, IAQ sensors, differential pressure sensors, flow and valve monitoring devices, and power consumption meters to deliver comprehensive insight into HVAC performance and indoor conditions. Data collected from these HVAC monitoring sensors is transmitted via communication protocols, such as LoRaWAN®, Ethernet, or Cellular, to Milesight gateways and cloud platforms. It enables seamless visualization, real-time alerts, and automated control through Building Management Systems (BMS) or other cloud-based interfaces.

Together, they form a unified and intelligent HVAC monitoring and automation approach that ensures efficient operation, energy optimization, and improved occupant comfort.

hvac monitoring sensors control

Temperature and Humidity Sensors

Temperature and humidity sensors are essential components for HVAC monitoring. Temperature sensors can measure air or fluid temperatures to control heating/cooling output and ensure comfort and process stability. Humidity sensors can monitor humidity levels to prevent condensation and protect sensitive equipment.

Milesight offers a diverse selection of TH sensors for various HVAC applications, from standard indoor environments to demanding industry-level scenarios. They cover a wide temperature range from -200°C to 800°C, offering high precision measurements and easy wireless installation. With up to 15 years of battery life and support for data storage and retransmission, these sensors provide reliable and continuous data for long-term operations.

hvac monitoring sensor temperature monitoring

Smart Current Sensors

Smart current sensors are essential for HVAC monitoring, providing accurate measurements of electrical consumption, equipment load, and fault detection without invasive wiring. Operators can identify failing components, detect inefficiencies, and validate demand-controlled ventilation strategies. They also support fault diagnostics with granular data over time.

Milesight self-powered smart current sensors offer superior accuracy with up to 3.3kHz measurement frequency. They support real-time accumulated ampere-hour calculation, non-invasive installation, and irregular current status alerts. An external wire temperature sensor, detachable and cable-free design, and LoRaWAN® wireless technology enable flexible deployment for 1 to 3 wires. The CT10x model supports 100A–500A, while the CT3xx supports 300A–1000A, providing versatile options for various HVAC equipment.

hvac monitoring sensor smart current sensors

Duct Temperature Sensors

Duct temperature sensors can measure airflow temperature within HVAC ducts for building operators to analyze the cooling and heating effectiveness, check the operation of heating and cooling sources, and identify anomalies.

Milesight TS30x and TS201 cover a wide temperature range from -50°C to 500°C and support up to 2,800 (TS30x) / 4,000 (TS201) sets of data logging, ensuring reliable historical records for analysis.

hvac monitoring sensor temperature and humidity sensors

Occupancy Sensors

Occupancy sensors detect real-time human presence to enable dynamic, occupancy-based, automated HVAC control and save energy. Facility managers can also modulate HVAC load based on usage patterns.

Milesight occupancy sensors use AI, RGB, radar, PIR, and thermopile technologies to deliver high-precision detection across various room sizes and open indoor spaces. With up to 95% accuracy, wireless installation, and seamless data transmission, they provide reliable, real-time data for HVAC monitoring systems.

hvac monitoring sensor occupancy

Indoor Air Quality Sensors

Indoor air quality sensors can detect pollutants, CO2, VOCs, and particulates to ensure healthy indoor environments and trigger ventilation adjustments. Integrated into HVAC remote monitoring, they are important for occupant comfort, regulatory compliance, and energy-efficient operation.

Milesight AM Series IAQ sensors provide real-time environmental data for proactive control. Designed for diverse spaces including offices, classrooms, hospitals, and commercial buildings, they feature up to 9 years of battery life, an electronic display, and both light indicator and buzzer alerts for instant status awareness. Integrated with BMS, they enable centralized monitoring and automated climate control across distributed facilities, well-suited for remote HVAC monitoring and maintenance.

hvac monitoring sensor am series

Pressure Sensors

Pressure sensors help maintain balanced airflow, fluid circulation, and overall system stability across heating, cooling, and ventilation processes. Integrated into HVAC remote monitoring, they enable early detection of pressure anomalies, leaks, or blockages, supporting proactive maintenance and safer operation.

Milesight EM500-PP Pipe Pressure Sensor delivers impressive measuring accuracy and high compatibility with various pipes, making it ideal for monitoring water, refrigerant, or air pressure in HVAC systems. Built with shock, vibration, and corrosion resistance, it ensures durability in harsh environments. Along with up to 10 years of battery life, the EM500-PP provides dependable, maintenance-free operation.

hvac monitoring sensor em500 pp

Wireless Smart Thermostat

Smart thermostats enable real-time HVAC monitoring, energy management, and cloud-based control, integrating easily with BMS for centralized or remote operations.

Milesight commercial smart thermostats feature LoRaWAN® wireless transmission for easy deployment and broad compatibility with global HVAC systems, including RTUs, heat pumps, PTAC units, air conditioners, and boilers. Multi-mode operation and programmable scheduling help tailor comfort and energy use to different zones, times, and occupancy patterns, ideal for remote management of distributed facilities.

hvac monitoring sensor wt series

Types of HVAC Monitoring Sensors

Temperature and Humidity Sensors

Smart Current Sensors

Duct Temperature Sensors

Occupancy Sensors

Indoor Air Quality Sensors

Pressure Sensors

Wireless Smart Thermostat

Key Applications of Milesight HVAC Monitoring Sensors

HVAC System Management

Energy Efficiency

Enhanced Comfort

Centralized HVAC Control Across Buildings

For facility managers overseeing multiple buildings, Milesight enables centralized management of all HVAC systems. You can coordinate equipment startup sequences, zone activation, and schedules to avoid peak periods, while dynamically adjusting airflow based on occupancy and indoor temperature.

Real-Time HVAC System Performance Tracking

Milesight HVAC solution delivers real-time thermostat operation data, offering clear insights into system modes and potential irregularities. Combined with sensors tracking water pipe temperature and pressure, it supports predictive management of HVAC systems remotely and proactive maintenance of aging pipelines.

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Local Automation Adjustment

Milesight smart thermostats enable local automation by adjusting operations dynamically in response to grid pressure or equipment demand. The device automatically applies temperature setbacks during unoccupied periods to avoid unnecessary consumption, while optimizing overall system performance to reduce waste.  

Real-Time Coordinated Control

Milesight HVAC solution enables intelligent adjustments based on real-time occupancy and people movement patterns, while incorporating indoor/outdoor temperature and humidity data to optimize HVAC performance and achieve energy-efficient smart control.

Optimization of Energy-Saving Strategies

Milesight empowers precise energy-saving strategies through comprehensive building energy monitoring. You can track HVAC power consumption, detect fuel levels and leaks, and use high-frequency temperature data to calculate overall efficiency. This approach enables smarter, more energy-efficient building management that meets EPBD standards, qualifies buildings for CEE incentives, and supports corporate ESG objectives.

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real time coordinated control
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Integrated Sensing for Precise Climate Management

Precise and comfortable temperature control is maintained by integrating data from multiple sensing components. Milesight's IoT sensors utilize built-in temperature and humidity sensors, which can be supplemented with optional NTC sensors, other Milesight devices, and external data streams from network servers for comprehensive and accurate climate management.

People-Responsive Airflow

Using data from peoplecounting and IAQ sensors, the system dynamically adjusts airflow and ventilation according to crowd density and air conditioning, thereby maintaining a clean, healthy, and comfortable atmosphere.

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Transforming Real-Time Data into Intelligent HVAC Automation

Milesight HVAC solution integrates real-time sensor data (temperature, humidity, pressure, current, and occupancy) into building management
systems (BMS) to enable intelligent, demand-based HVAC automation.

Data Integration for Smarter Control

By integrating real-time sensor data from Milesight monitoring sensors, such as temperature, humidity, pressure, current, and occupancy, into building management systems (BMS) , building operators can enable intelligent, demand-based HVAC automation.

Smart Controllers for Local Management

Smart controllers manage heating, cooling, and airflow for each zone, closing the loop between sensing and action. This makes real-time, local control possible across diverse environments.

D2D Communication for Seamless Coordination

Milesight's device-to-device (D2D) communication ensures direct coordination between HVAC monitoring sensors, allowing the system to respond instantly to changing environmental conditions.

Human-Centric,
Energy-Efficient Operation

Access dashboards and control all building systems from any device, receive instant notifications, and resolve issues without being on-site.

Milesight HVAC Solution Advantages

Wireless & Flexible Deployment

Built on LoRaWAN®, Milesight solutions offer stable, secure communication and fast installation, ideal for retrofits and new buildings, significantly reducing wiring and construction costs.

Remote Centralized Management

Easily set up and manage devices with Milesight Development Platform for remote monitoring, with secure FUOTA (Firmware Update Over The Air) updates anytime — no physical access required.

wireless flexible deployment
remote centralized management
hvac monitoring sensors office building

Office Buildings

Zoning & Demand-based Control

Detect temperature, humidity, indoor air quality, and occupancy patterns to adjust HVAC operation zone by zone.

Energy Optimization

Enable real-time coordination with building automation systems to reduce energy consumption during off-peak hours or in unused spaces.

Predictive Maintenance

Continuous monitoring of air ducts, chillers, and valves to prevent downtime and maintain consistent comfort for employees.

hvac monitoring sensors hotels

Hotels and Residential Apartments

Room-by-room Comfort Control

Support precise, independent control for each room, ensuring guest comfort while avoiding energy waste.

Integration With Guest Schedules

The combination of card-based triggers and flexible scheduling enables local control based on access events or occupancy status.

Air Quality & Safety

Gain visibility into improving indoor air quality, guiding filtration and ventilation strategies.

hvac monitoring sensors retail

Shopping Centers and Retail Stores

Occupancy-driven Energy Optimization

Dynamically adjusting ventilation and temperature based on real-time foot traffic patterns to slash operational costs during off-peak hours while maximizing shopper comfort during sales events.

Predictive Maintenance For Zero-downtime

Monitoring system performance metrics to preemptively identify equipment failures before they disrupt weekend rushes or holiday shopping seasons, safeguarding both revenue and brand reputation.

hvac monitoring sensors public buildings

Public Buildings

Multi-venue Coverage

Monitor HVAC and indoor environment conditions in libraries, museums, and other public venues to maintain optimal comfort.

Visitor-centric Adaptive Climate

Adjust HVAC settings based on occupancy flows, visitor periods, and special‑event schedules to optimize visitor experience.

Operational Efficiency & Sustainability

Minimize energy waste and operational costs savings while keeping the environment safe and pleasant.

hvac monitoring sensors hospital

Hospitals and Healthcare Facilities

Continuous Monitoring

Monitor HVAC conditions continuously in patient rooms, operating theaters, and critical care areas to maintain stable ambience conditions.

Precise Environmental Control

Maintain required environmental conditions in surgical suites and treatment zones for patient safety and infection‑control objectives.

Regulatory Compliance

Provide HVAC data‑logging, alerting and trend‑reports that support audits and help healthcare facility teams verify their environment meets standards.

hvac monitoring sensors school

Schools and Educational Facilities

Multi-Space Coverage

Track HVAC performance across classrooms, auditoriums, and shared spaces to maintain stable ambience conditions.

Schedule-Aware Occupancy Integration

Automatically adjust ventilation and climate control based on class schedules, student movement, and occupancy patterns.

Energy & Comfort Balance

Balances comfort and efficiency by prioritizing IAQ in high-density classrooms while scaling back HVAC in administrative areas.

Adaptability Across Diverse Building Types

Office Buildings

Hotels and Residential Apartments

Shopping Centers and Retail Stores

Public Buildings

Hospitals and Healthcare Facilities

Schools

Not Sure If It's Compatible
with Yours?

Getting the right product to work perfectly with your wiring can make everything go much smoother. Let us help you find the best thermostat with these step-by-step instructions.

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Success Stories

Smart Hospital HVAC Monitoring and Control in Croatia

Milesight partnered with Emasys d.o.o. to deploy a smart HVAC automation solution at a Croatian hospital using the Beaver IoT platform. The system combined WT101 Smart Radiator Thermostats and UG67 Outdoor LoRaWAN® Gateways for centralized monitoring and remote control of heating across wards. Through real-time temperature tracking, customized heating schedules, and safety features like child lock, the hospital enhanced patient comfort, boosted energy efficiency, and minimized manual workload.

See Details
hvac monitoring sensors success case1

Intelligent Climate Control for 800+ Restaurants in America

Milesight partnered with an American restaurant chain to upgrade its HVAC system using IoT devices. The solution deployed over 800 WT201 Smart Thermostats and EM300-TH sensors to enable real-time temperature and humidity monitoring and precise, room-level climate control. Through centralized management and automated adjustments, the restaurants improved energy efficiency, simplified operations, and enhanced guest comfort, all without the need for extensive rewiring.

hvac monitoring sensors restaurant

IoT-Driven HVAC Monitoring and Comfort Optimization at Veli Lošinj Health Resort

The Veli Lošinj Health Resort in Croatia implemented digital energy and comfort management using Milesight LoRaWAN® HVAC monitoring sensors and the BEAVER IoT platform to enhance efficiency, guest well-being, and sustainability. By integrating temperature, humidity, air quality, and leak detection sensors across seven buildings, the system enabled real-time monitoring, automated HVAC adjustments, and early anomaly detection.

See Details
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Related Resources

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Elevate Building Health with an Integrated IAQ & HVAC Solution

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hvac monitoring sensors hvac predictive monitoring

HVAC Predictive Maintenance Revolutionizes Building Management

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FAQs

What are the key factors to consider when selecting and deploying an HVAC remote monitoring system?

When choosing an HVAC remote monitoring system, consider sensor accuracy, data reliability, and compatibility with existing Building Management Systems (BMS). Scalability and connectivity options, such as LoRaWAN®, Wi-Fi, or Ethernet, are also critical to ensure flexible deployment across diverse building types. In addition, prioritize systems that support real-time alerts, data visualization, and integration with automation platforms, helping facility teams make informed, data-driven decisions. Proper installation and calibration of temperature, humidity, differential pressure, and occupancy sensors are key to achieving precise monitoring results.

How does a commercial HVAC monitoring and automation system differ from residential ones?

Commercial HVAC monitoring systems are designed for large-scale facilities with multiple zones, variable loads, and complex infrastructure such as chillers, AHUs, and VRF systems. They use advanced IoT sensors and analytics to monitor parameters across entire buildings and integrate with centralized BMS for coordinated automation. In contrast, residential systems focus on comfort and basic energy control within individual units. Commercial systems emphasize scalability, predictive maintenance, and cross-system interoperability, enabling proactive, data-driven HVAC management across multiple sites.

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