HARMONY Smart Climate Control
User-friendly, Intelligent thermostat delivering precise HVAC control, improved comfort, and energy-efficient climate management
IP 30
3.5" LCD display
Ambient Temperature & Humidity Monitoring
Ambient Light
CO2 Concentration
Remote Temperature Monitoring
ECM FAN Control (0-10V)
Remote Temperature Monitoring
ECM FAN Control (0-10V)
Ambient Temperature & Humidity Monitoring
Ambient Light
CO2 Concentration
Remote Temperature Monitoring
ECM FAN Control (0-10V)
Works Best for
Built for modern smart buildings, HARMONY supports scalable HVAC control across offices, campuses, and commercial facilities. Effortless deployment and centralized management allow facility teams to optimize temperature settings, automate schedules, and improve energy efficiency without disrupting existing infrastructure.
key verticals
Smart building climate control
Centralized HVAC
Energy optimization
Occupancy-based control
Intelligent Building Climate Management
HARMONY enables centralized, room-level climate control across smart buildings, allowing operators to maintain consistent comfort, automate HVAC operation, and improve energy efficiency while simplifying day-to-day facility management.


Centralized Visibility & Control
With HARMONY, facility teams gain centralized visibility into HVAC operation and indoor climate conditions, enabling faster response to issues and more informed operational decisions. Remote access through cloud or building management systems supports efficient control without on-site intervention.


Data-Informed Energy Management
HARMONY helps organizations improve long-term energy efficiency by supporting consistent, data-informed HVAC control. This approach enables gradual energy reduction while maintaining stable indoor environments.


Adaptive Space Control
HARMONY supports occupancy-based control by enabling building systems to respond dynamically to how spaces are used. When rooms are unoccupied, systems can shift to energy-saving states, and automatically return to comfort settings when occupants are present.


HARMONY benefits
01
01
Precision Temperature Monitoring
With precise readings, HARMONY can hold tighter temperature control bands and avoid excessive heating or cooling cycles, improving comfort while supporting measurable energy optimization.
Integration and remote control via BMS
By integrating with BACnet and Modbus BMS environments through cloud platforms and APIs, HARMONY allows facility teams to manage climate operation remotely from existing building management tools.
Connectivity with external sensors
Supports integration with external sensors such as occupancy, door/window status, leak detection, and air quality sensors. This enables building systems to incorporate additional environmental and usage data into control strategies, supporting more informed, automated operation and improved overall building performance.
Remote Firmware Management
Update and maintain devices remotely using Firmware Updates Over-the-Air (FUOTA). New features, optimizations, and fixes can be deployed at scale without physical access, minimizing maintenance effort and long-term operational costs.
Multiple Operating Modes
With support for AUTO and ECO modes, HARMONY reduces reliance on manual mode changes that often lead to inconsistent comfort and higher energy consumption. Automatic mode selection helps maintain correct operation as conditions change.
Intuitive, Universal Interface
An intuitive, icon-based interface enables effortless interaction without language barriers. HARMONY simplifies deployment across diverse facilities and ensures a consistent user experience for occupants, visitors, and staff.
01
01
Monitor and Optimize Indoor Comfort
HARMONY combines precise environmental monitoring with intelligent control to help you balance comfort and energy performance. Accurate temperature and humidity data allow systems to operate within tighter control ranges, reducing unnecessary HVAC cycling and supporting long-term energy optimization goals.
01
01
MAIN FEATURES
- Intelligent Thermostat with Built-In Control Logic
- Multi-Mode Operation (AUTO and ECO)
- Wired Power with Continuous Connectivity
- Accepts external sensor inputs to extend control logic beyond temperature alone
- Supports 2-pipe and 4-pipe fan coil systems, including multi-speed and ECM fan control
- Remote firmware updates to maintain functionality, security, and long-term performance
- Ambient Indoor Environment Monitoring
- Intuitive, language-agnostic display design for universal readability across users and ages
Differentiations
- Always-On, Real-Time Operation
- Deep Fan Coil Compatibility
- Designed for Enterprise and BMS Environments
- Clear and Intuitive UI
MAIN FEATURES
- Intelligent Thermostat with Built-In Control Logic
- Multi-Mode Operation (AUTO and ECO)
- Wired Power with Continuous Connectivity
- Accepts external sensor inputs to extend control logic beyond temperature alone
- Supports 2-pipe and 4-pipe fan coil systems, including multi-speed and ECM fan control
- Remote firmware updates to maintain functionality, security, and long-term performance
- Ambient Indoor Environment Monitoring
- Intuitive, language-agnostic display design for universal readability across users and ages
Differentiations
- Always-On, Real-Time Operation
- Deep Fan Coil Compatibility
- Designed for Enterprise and BMS Environments
- Clear and Intuitive UI
TECHNICAL CHARACTERISTICS
Operational Temperature
0°C to +55°C
RF Power
Up to 23 dBm
Ingress Protection
IP30
LoRa Device Class
Class A and C
Antenna
Internal
RF Sensitivity
-137dBm (SF12, 125kHz)
Battery life
Wired
All Global ism bands
All Global ISM Bands
Display type
3.5” LCD
Dimension
104 x 90 x 24 mm
Empower Your Business Growth with a Trusted Supplier of LoRaWAN® Solutions
Why Choose
TEKTELIC Devices
TEKTELIC offers top-of-the-line LoRaWAN® gateways, sensors, and custom applications. These products, when combined, create a robust end-to-end solution that can be deployed efficiently and cost-effectively to tackle even the most complex IoT challenges.





01
01
cirkuit’s Comprehensive Solution for Property Management
Implementing LoRaWAN® Sensor Solution to Protect Buildings from Water Damage
How Property Managers Can Optimize Electricity, Heat & Water Bills For Individual Tenants
Facility Management Innovations : Smart Cleaning with LoRaWAN®
01
01
Frequently-asked questions
HARMONY is a LoRaWAN smart thermostat for HVAC monitoring and control in hotels and commercial buildings. It combines temperature, humidity, CO₂ and ambient-light sensing with HVAC control, scheduling, configurable operating modes and remote management to support occupant comfort and energy-efficient operation.
HARMONY supports AUTO and ECO operating modes with scheduled transitions between comfort and energy-saving settings. Facility teams can also monitor and manage HVAC settings remotely through cloud platforms or a Building Management System, supporting more efficient HVAC operation across multiple rooms or properties.
Yes. HARMONY is designed for easy retrofit installation and can replace existing thermostats in compatible HVAC systems. It mounts on a standard thermostat box and supports relay and 0–10 V control, helping minimize installation costs and disruption.
Yes. HARMONY has a 3.5-inch LCD with an intuitive, language-agnostic interface and physical controls for power, temperature, operating mode and fan speed. Guests can adjust room comfort locally without needing an app, while facility teams retain centralized monitoring and control.
A LoRaWAN thermostat stays off the guest Wi-Fi, needs no per-room network setup, and reaches every floor through a few gateways, making property-wide control simpler and more secure to deploy.
Yes. HARMONY supports manual 3-speed fan control as well as ECM fan control. It also provides 0–10 V analog control for compatible HVAC equipment.
Yes. HARMONY can be integrated with Building Management Systems for centralized HVAC monitoring and control. Depending on the LoRaWAN network architecture, thermostat data and control points can be integrated through supported interfaces such as BACnet/IP or Modbus TCP, enabling room-by-room monitoring and HVAC management from the BMS.