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Milesight Energy-Efficient
Smart HVAC Solutions

  • Centralized Control
  • Smarter Energy Savings
  • Lower Deployment Costs
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Smart HVAC, Smarter Buildings

Smart HVAC systems integrate advanced IoT sensors, thermostats, and platforms to optimize energy use and comfort. With devices like the milesight magnetic contact switch, people sensing sensors, and smart thermostats, they enable intelligent and automated climate control. Leveraging real-time data, these systems ensure accurate, comfortable climate adjustment and predictive maintenance.

Improved
Energy Efficiency

Enhanced
Comfort

Predictive
Maintenance

Reduced
Costs

Centralized
Management

Optimized HVAC Control with Milesight IoT Solutions

Milesight provides a full suite of hardware devices for HVAC systems, including smart thermostats, sensors, and gateways. Our products are compatible with the vast majority of mainstream HVAC terminal units on the market—such as radiators, fan coil units, and rooftop units—making them ideal for residential, apartment, hotel, and office applications. With Milesight, enjoy smarter management, proven energy savings, and enhanced comfort.

HVAC System Management

Energy Efficiency

Enhanced Comfort

Unified HVAC Control

Milesight HVAC solutions empower facility managers with centralized control across multiple buildings. They can specify startup order and activation zones, configure operation times to avoid peak periods, and intelligently adjust airflow based on user needs and indoor temperature. Smart local or remote options further streamline operations and maximize efficiency.

HVAC System Performance Monitoring

Milesight HVAC solutions provide thermostat operation status data to understand equipment working modes and identify anomalies. With sensors monitoring water pipe temperature and pressure, they help maintain aging pipelines, enable predictive maintenance, and ensure safe, reliable HVAC operation.

Safety & Asset Protection

Protective casing, anti-freeze heating, and leak detection with auto shutoff ensure reliable operation, asset protection, and reduced risks.

unified hvac control
smart thermostat Smart Thermostat WT Series
hvac system performance monitoring
pipe pressure sensor Pipe Pressure Sensor EM500-PP
temperature sensor Temperature Sensor TS Series/EM500-PT100
asset protection
solenoid valve controller Solenoid Valve Controller UC51X
leak detection sensor Leak Detection Sensor EM300-MLD/ZLD/SLD
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Local Automation Adjustment

With Milesight smart thermostats, local automation dynamically adjusts or shifts operations based on grid pressure or building equipment demand, applies temperature setbacks during unoccupied periods, and maximizes energy efficiency —reducing energy by 30–50% and significantly lowering operational costs.

Real-Time Coordinated Control

Intelligently adjust ventilation based on occupancy and people flow, optimize HVAC power through door & window monitoring, and synchronize with indoor and outdoor temperature and humidity for energy-efficient smart control.

Energy-Saving Strategy Optimization

Milesight monitors building energy usage to deliver precise energy-saving strategies. It tracks HVAC power consumption, detects fuel levels and leaks, and uses high-frequency temperature monitoring to calculate system efficiency—enabling smarter, energy-efficient building management that meets EPBD standards, qualifies for CEE incentives, and supports ESG compliance.

unified hvac control
smart thermostat Smart Thermostat WT Series
real time coordinated control
magnetic contact switch Magnetic Contact Switch WS301/EM300-MCS
occupancy sensor Occupancy Sensor VS Series/WS202
people counter People Counter VS Series
energy saving strategy optimization
temperature sensor Temperature Sensor TS Series/EM500-PT100
smart current transformer Smart Current Transformer CT Series
leak detection sensor Leak Detection Sensor EM300-MLD/ZLD/SLD
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Precise Temperature Control

Built-in temperature and humidity sensors, together with optional NTC sensors, Milesight sensors, and external sensor data from network servers, enable precise and comfortable temperature control throughout.

People-Responsive Airflow

With the people counter sensor and IAQ sensors, the system automatically adjusts airflow and ventilation based on crowd density and air quality, ensuring clean, healthy, and comfortable air.

unified hvac control
smart thermostat Smart Thermostat WT Series
people responsive airflow
iaq sensor series IAQ Sensor AM Series/EM300-TH
people counter People Counter VS Series
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Milesight HVAC Solution Advantages

wireless flexible deployment
remote centralized management
high compatibility integration
milesight d2d smart coordination

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.

High Compatibility & Integration

Seamlessly integrate with BMS/EMS via BACnet/Modbus using Milesight gateways, complement wired networks with flexible LoRaWAN® scalability.

Milesight D2D Smart Coordination

Instantly coordinate Milesight devices without a gateway for intelligent, rapid automation across your system.

Milesight HVAC Success Stories Across Diverse Scenarios

Hotels

Residential Buildings

Chain Stores

Large Public Buildings

Argentina
Poland
See How We Did It

Smart HVAC Retrofit Enhances Guest Comfort at Hotel in Argentina

At Grupo Arcor's corporate hotel in Argentina, DUOLINK upgraded the HVAC system with Milesight LoRaWAN® solutions. WT201 thermostats monitor temperatures, UC300 controllers adjust airflow, and UG65 gateways transmit real-time data to the cloud. The system enables dynamic room-level control, improves energy efficiency, simplifies operations, and enhances guest comfort.

Location:

Córdoba, Argentina

Partner:

DUOLINK

Devices Deployed:

WT201*17pcs, UC300*16pcs, UG65*1pcs

smart hvac retrofit at hotel in argentina2
smart hvac retrofit at hotel in argentina
See How We Did It

Energy Efficient and Comfortable Hotel Upgrade in Poland

Milesight WT101 Smart Thermostatic Radiator Valve is easy to install, cost-effective, and low maintenance. With 99% compatibility and bulk configuration, hotels can upgrade rooms within 2 hours with minimal disruption. Integrated with hotel reservation systems, WT101 adjusts heating based on occupancy, ensuring comfort upon arrival and saving energy in empty rooms—cutting costs, boosting guest satisfaction, and promoting sustainability.

Location:

Warsaw, Poland

Partner:

Acte Poland

Devices Deployed:

WT101 * 120pcs, UG67 * 1pcs

hotel upgrade in poland2
hotel upgrade in poland
Spain
Sweden
See How We Did It

Milesight Smart Climate Control for Tourist Apartments in Spain

Greener climate control is key for new build-to-rent tourist apartments. 90 Milesight Smart Fan Coil Thermostats were installed to schedule heating and cooling in each unit. Plug-and-play setup, remote control, and misuse blocking let managers monitor real-time data, understand customer behavior, and save energy—delivering comfort, efficiency, and smarter operations.

Location:

Bilbao, Spain

Partner:

NEXMACHINA

Devices Deployed:

WT301*90pcs(Upgraded to WT303/WT304)

tourist apartments in spain2
tourist apartments in spain
See How We Did It

Milesight WT101 Smart Radiator for Residential HVAC in Sweden

Milesight WT101 Smart Radiator Valves help townhouses and apartments comply with EPBD standards for energy efficiency, cost savings, and promoting a sustainable lifestyle. Precise temperature control ensures that each room is always at the perfect comfort level, while frost protection safeguards against freezing temperatures. Additionally, the child lock and open-window detector features enhance safety and efficiency.

Location:

Sweden

Partner:

KUBANG

Devices Deployed:

WT101*340pcs

residential hvac in sweden2
residential hvac in sweden
America
See How We Did It

Intelligent Climate Control for 800+ Restaurants in America

An American restaurant chain upgraded its HVAC system using Milesight IoT devices. With this solution, EM300-TH sensors monitor temperature and humidity in real-time, while WT201 thermostats adjust room temperatures accordingly. The system enables precise, room-level control and centralized management, significantly boosting energy efficiency, simplifying operations, and enhancing guest comfort—all without the need for extensive rewiring.

Location:

America

Devices Deployed:

WT201*800+pcs, EM300-TH*800+pcs

intelligent climate control for restaurants in america
Hospitals
Office Buildings
Schools
Showroom
See How We Did It

User-Friendly Smart Hospital HVAC Automation in Croatia

Milesight partner Emasys d.o.o deployed an intelligent heating control system using WT101 Smart Radiator Thermostats connected via UG67 Outdoor LoRaWAN® Gateways. Through Milesight Development Platform, these devices are integrated into Beaver IoT, Milesight's open-source IoT Platform with various existing capabilities for quick IoT projects without code skills.

Location:

Croatia

Partner:

Emasys d.o.o

Devices Deployed:

WT101*114pcs, UG67*1pcs, Milesight Beaver IoT, Milesight Development Platform

beaveriot powers hospital automation project2
beaveriot powers hospital automation project
See How We Did It

Smart Energy-Saving Heating Upgrade for Office Buildings in Germany

Milesight WT101 Wireless Radiator Valves help renovate old office buildings quickly to meet energy-saving and EPBD standards. When WS301 detects the opening of doors and windows, WT101 automatically adjusts heating to avoid energy waste. LoRaWAN® wireless transmission ensures wide coverage & secure communication. With heating schedules and BMS integration, the system enables control and monitor energy use in real-time, boosting energy management.

Location:

Germany

Partner:

Bechtle

Devices Deployed:

WT101 * 268pcs, WS513 * 144pcs, WS501 * 107pcs, WS301 * 78pcs

office buildings in germany2
office buildings in germany
See How We Did It

Efficient and Safe Heating Solution for Italian Schools

Milesight WT101 Smart TRV System is an ideal solution for schools, combining anti-theft design, child lock, and protective shell for enhanced safety and reliability. Its 10-year battery life minimizes maintenance, while preset heating plans and remote management ensure comfortable, efficient temperature control for an optimal learning environment.

Location:

Giovinazzo, Italy

Partner:

Don S. Bavaro - Marconi

Devices Deployed:

WT101 * 100pcs

efficient and safe heating solution for italian schools2
efficient and safe heating solution for italian schools
See How We Did It

Smart HVAC Upgrade for Car Showroom in Romania

Car showrooms in Romania upgraded their HVAC system with Milesight WT101 smart radiator valves, AM102 IAQ sensors, and UG65 gateways. The AM102 continuously tracks temperature and humidity, while the WT101 adjusts heating in real time to ensure comfort. All devices connect via the UG65 gateway for centralized management, improving visitor comfort, reducing energy use, and simplifying operations.

Location:

Romania

Devices Deployed:

WT101*118pcs, AM102*11pcs, UG65*3pcs

smart hvac upgrade for car showroom in romania2
smart hvac upgrade for car showroom in romania

All-in-One HVAC Portfolio, Ready for Any Scenario

From smart thermostats to IAQ sensors, people counters, and occupancy sensors, Milesight delivers a full HVAC portfolio for multi-scenario buildings, maximizing
comfort, efficiency, and effortless management.

Smart Thermostat

IAQ Sensor

Magnetic Contact Switch

People Counter

Occupancy Sensor

Smart Current Transformer

Temperature Sensor

Pipe Pressure Sensor

Leak Detection Sensor

Solenoid Valve Controller

WT101

Smart Radiator Thermostat

  • LoRaWAN® Based for Wireless Transmission
  • Accurate Temperature Detection and Calibration
  • Up to 16 Heating Schedules within 1 Pre-set Date Period
  • Support Child Lock to Prevent Tampering
  • Open Window Detection for Smart Management
  • Fully Compatible Valve Adapters Out of the Box
  • Support Integration with BMS Systems
  • Easy Configuration via NFC

WT102 (Coming Soon)

Smart Radiator Thermostat

  • Fast LoRaWAN® Class B Response (4 Seconds)
  • Water Temperatures above 45℃ are Sufficient for Energy Harvesting
  • Self-powered, Maintenance-free
  • Open-window Detection & Freeze Protection
  • Includes Protection-Clip for Structural Anti-theft Security
  • Support Child Lock to Prevent Tampering
  • USB Type-C for Backup Power Supply or
    Optional NTC Sensor

WT201

Smart Thermostat

  • Seamlessly Matching HVAC System
  • LoRaWAN® Wireless Deployment
  • Strong Compatible Connectivity (BACnet and More)
  • 4 Customizable Temperature Control and 3 Fan Modes
  • Proactive Temperature Management
  • Independent Local Scheduling
  • Effortless Remote Update FUOTA

WT303/304

Smart Fan Coil Thermostat

  • Compatible with 2-Pipe/4-Pipe FCU
  • Supports 8 Custom Schedules
  • 2.7-Inch E-Ink Screen
  • Ergonomically Designed Buttons
  • Window Opening Detection/Tamper Protection/Freeze Protection
  • 3 Temperature Control Modes, 4 Fan Modes
  • Easy-to-Install Design
  • Support DI Interface-Key Card Integration

WT401

Wireless Smart Thermostat

  • Supports Most HVAC Systems: Furnaces, ACs, Heat
    Pumps, Boilers, PTACs
  • Works with Milesight HVAC Controllers via Bluetooth or PowerBus
  • up to 8 programmable temperature plans
  • 2.7-Inch E-Ink Display
  • Open-Window Detection & Freeze Protection
  • Built-In Temperature, Humidity, and PIR Sensors
  • Customizable Button Functions
  • Effortless Remote Updates via FUOTA

AM102/AM102L

2-in-1 IAQ Sensors

  • Itsy-bitsy & Eye-Catching
  • Traffic Light Indicator
  • Anti-theft Protection
  • 2.13Inch E-ink Screen (AM102)
  • Support Smart Screen Mode & Hibernation Mode (AM102)
  • Battery Life up to 7 Years (AM102) / 9 Years (AM102L)

AM103/AM103L

3-in-1 IAQ Sensors

  • Detect CO2, Humidity, Temperature
  • Traffic Light Status Indicator
  • Anti-theft Protection
  • 2.13 Inch E-ink Screen & Vivid Emoticon Indication (AM103)
  • Support Smart Screen Mode & Hibernation Mode (AM103)
  • Battery Life up to 3 Years (AM103) / 4 Years (AM103L)

AM307/ AM308(L) AM319

9-in-1 IAQ Sensors

  • Detect CO2, PM2.5&10, HCHO)Os, Temp, Hum,and More.
  • Traffic Light Indicator & Buzzer
  • 4.2-Inch E-ink Screen
  • Aligned with WELL (AM319)
  • Vivid Emoticon Indication (AM307/AM308/AM319)
  • Powered via USB Type-C(AM319)
  • Battery Life up to 3 Years (AM307) / 1 Year (AM308)
  • Battery Life up to 1.5 Year (AM308L)

WS301

Magnetic Contact Switch

  • Safeguard Against Unexpected Entry
  • Wire-Free and Effortless Installation
  • Long-Lasting Battery Life of 4-7 Years
  • Easy Configuration via NFC

EM300-MCS

Magnetic Contact Switch

  • IP67 Rated and UV Resistance
  • Detect Temperature, Humidity and Door/Window Status
  • High Sensitivity with 20 to 30 mm Open/Close Sensing Distance
  • Customized Alarm Reporting Interval/Times
  • 10 Years Battery Life

VS125

Al Stereo Vision People Counter

  • Up to 99.8% Accuracy
  • Advanced Binocular Technology and Deep Learning AI
  • 100% Anonymous Detection (GDPR Compliant)
  • 0Lux Ultra Low Light Performance
  • 16 Devices Stitching for Wide Coverage
  • AI-Extended Attribution Recognition
  • Extendable Performance with Rich Interfaces

VS13x

ToF People Counting Sensor

  • Up to 99.8% Accuracy
  • On-Board AI Algorithm
  • 2nd Generation ToF Technology
  • 6.5M High Ceiling Mounting Version Available
  • 100% Anonymous Detection (GDPR Compliant)
  • Great Compatibility for Extended Applications
  • Radar Based ESG Friendly Working Mode
  • IP65 Rated Waterproof Protection

VS121

AI Workplace Occupancy Sensor

  • LoRaWAN® & PoE Versions
  • Up to 95% Accuracy
  • 100% Anonymous Detection (GDPR Compliant)
  • Up to 127.84m2 Large Detection Area
  • Maximum 16 Detection Regions

VS350

Passage People Counter

  • LoRaWAN® Wireless Deployment
  • Flexible Bi-Directional People Counting
  • 100% Anonymous Detection (GDPR Compliant)
  • Built-in Temperature Sensor
  • Long Battery Life of Up to 4 Years

VS121

AI Workplace Occupancy Sensor

  • LoRaWAN® & PoE Versions
  • Up to 95% Accuracy
  • 100% Anonymous Detection (GDPR Compliant)
  • Up to 127.84m2 Large Detection Area
  • Maximum 16 Detection Regions

VS321

Wireless Al Occupancy Sensor

  • Up to 95% occupancy Accuracy
  • Multi Sensors Built-in (T&H, Light)
  • 100% Anonymous Detection (GDPR Compliant)
  • Low-power Al Chip
  • Battery Life up to 10 Years

VS34x

Desk & Seat Occupancy Sensor

  • LoRaWAN® Wireless Deployment
  • Up to 98% Detection Accuracy
  • 100% Anonymous Detection (GDPR Compliant)
  • Dual-Technology of PIR & Thermopile
  • Ultra Low Latency Gains Quick Response
  • Adjustable PIR Angles for Flexible Performance
  • Long Battery Life of Up to 5 Years

VS370

Radar Human Presence Sensor

  • Up to 99% Industry-Leading Accuracy
  • 100% Anonymous Detection (GDPR Compliant)
  • Millimeter Wave Radar + PIR Dual Detection
  • Flexible Sensitivity & Sleep Settings
  • Operation in Both Light and Dark Conditions
  • Long Battery Life of Up to 5 Years

WS202

PIR & Light Sensor

  • Experience Precise PIR Presence Detection
  • Accurate Brightness Measurement
  • Seamless LoRaWAN® Wireless Transmission
  • Easy Configuration via NFC

CT10x

Smart Current Transformer

  • Self-Powered Operation
  • Superior Accuracy with Up to 3.3kHz Frequency
  • Real-time Accumulated Ampere Hour Calculation
  • Non-invasive Installation
  • Irregular Current Status Alert
  • External Wire Temperature Sensor
  • Detachable and Cable-Free Design
  • LoRaWAN® Wireless Technology

CT3xx

Smart Current Transformer

  • Self-Powered Operation
  • Superior Accuracy with Up to 3.3kHz Frequency
  • Real-time Accumulated Ampere Hour Calculation
  • Non-invasive Installation
  • Irregular Current/Temperature Status Alert
  • Innovative One-to-Three Design
  • LoRaWAN® Wireless Deployment

TS101

Insertion Temperature Sensor

  • Precise and Accurate: ±0.5 °C
  • Food-Grade Enclosure and Probe
  • IP67 Waterproof Rating and Phosphine Corrosion Resistant
  • Built to Last: IK10 Rated Transceiver for Impact Resistance
  • Data Integrity and Easy Management
  • 10 Years Battery Life

TS201

Temperature Sensor

  • LED Light Status Indicator
  • Rugged IP67 Rating
  • Up to 2,800/4,000 Sets of Data Logging
  • Comply with EN12830 Standard
  • Small and Compact for Flexible Installation
  • LoRaWAN® Wireless Deployment
  • 3 Years Battery Life
  • Support Independent Calibration of Probe

TS30x

Temperature Sensor

  • Optimized Readability with LCD Screen
  • Up to 10,000 Sets of Historical Data Records
  • Data Retrieval and Retransmission
  • Efficient Data Export in PDF for Anti-Tampering
  • Certified for EN12830 Standard
  • Rugged Protection with IP65 Rating
  • LoRaWAN® Wireless Deployment
  • 3 Years Battery Life

EM500-PT100

Platinum Temperature Sensor

  • Stable and Precise Temperature Measurement
  • LoRaWAN® Wireless Deployment
  • Impressive Resistance
  • 10 Years Long Battery Life
  • Easy Configuration via NFC

EM300-TH

Temperature and
Humidity Sensor

  • Food-safe and IP67 Rated Enclosure
  • Data Storage and Retransmission
  • Magnetic/Standard Versions for Versatile Applications
  • Optimized Accuracy and Resolution with the Best Price Competitiveness
  • Certified for EN12830 Standard

EM500-PP

Pipe Pressure Sensor

  • High Compatibility with Various Pipes
  • Impressive Measuring Accuracy
  • Shock, Vibration and Corrosion Resistance
  • Wireless and Highly Secured Data Transmission
  • 10 Years Battery Life
  • LoRaWAN® Wireless Deployment
  • Easy Configuration via NFC

EM300-SLD/ZLD

Leak Detection Sensor

  • IP67 Rated and UV Resistance
  • Probe & Rope Type Available
  • Conductive Liquids Leak Detection
  • Embedded Temperature & Humidity Sensors
  • Customized Alarm Reporting Interval/Times
  • 10 Years Battery Life

EM300-MLD

Membrane Leakage
Detection Sensor

  • Sensitive Leak Detection with Membrane
  • IP67 Waterproof Rating for Durability
  • Data Storage and Retransmission
  • 10 Years Battery Life

UC51X

Solenoid Valve Controller

  • Autonomous Operation
  • Flexible Power Supply Options (Solar/Battery)
  • Support Multicast for Control in Bulk
  • IP68 Rated Enclosure for Harsh Environment
  • Internal and External Antenna Versions Optional
  • Data Integrity and Reliability
  • Easy Configuration via NFC

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.

Compatibility Checker

Webinar

Topic: Smart, Autonomous, Unified HVAC Control System

Join our exclusive webinar, "Smart, Autonomous, Unified HVAC Control System", to explore the next generation of intelligent building climate management.

Firstly, get overview of current HVAC market trends and challenges, and quickly discover how IoT technology can bridge existing gaps while creating new opportunities.

Then, gain insights into Milesight's integrated solutions provide a single, streamlined approach to smart HVAC control, from intelligent sensors and autonomous operation to cloud-based/BMS unified management.

Finally, we'll also share real-world success stories demonstrating improved efficiency, cost savings, and seamless system integration.

Whether you're a building manager, system integrator, or technology planner, this webinar will provide valuable knowledge and practical guidance for designing and deploying budget-friendly HVAC control solutions.

Watch Webinar Record

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You May Want to Know

Q: How does Milesight make HVAC systems more energy efficient?

A: Milesight integrates smart thermostats, occupancy sensors, and current transformers to monitor and optimize energy use. Automated temperature setbacks, people-responsive ventilation, and predictive maintenance can reduce energy consumption, lowering both operational costs and carbon footprint.

Q: Are Milesight HVAC solutions compatible with existing building systems?

A: Yes. Milesight solutions are designed for high compatibility. Using BACnet and LoRaWAN® technologies, they integrate seamlessly with most BMS/EMS systems and HVAC terminal units — including fan coil units, radiators, and rooftop units — making them ideal for both retrofits and new projects.

Q: Why is LoRaWAN® important for HVAC applications?

A: LoRaWAN® enables long-range, low-power wireless communication between HVAC devices, making installation fast, flexible, and cost-effective. It's especially valuable in large or complex buildings where wiring would be difficult or expensive.

Q: How can Milesight HVAC solutions improve indoor comfort?

A: With precise temperature control, humidity regulation, and IAQ monitoring, Milesight ensures optimal thermal comfort and healthy air quality. People-sensing and CO₂ detection automatically adjust ventilation and heating levels to match occupancy and activity.

Q: Which kind of thermostat should I choose?

A: It depends on what kind of system you are using locally. You can take 2 mins in our Thermostat Checker for compatibility.

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