Company Profile

Leading Smart Thermostat OEM/ODM Manufacturer with 20+ Years Experience

Your Global Expert in Smart HVAC & IoT Control - Professional Thermostat Manufacturer

Who is E-TOP?

Founded in 2003, E-top is a premier ISO 9001:2015 and ISO 14001:2015 certified thermostat manufacturer with over 20 years of dedicated expertise in the HVAC industry. Operating from an 8,000 m² professional facility, we specialize in high-end ODM/OEM solutions for global heating and cooling markets. Our mission is to combine innovation with passion to create a smarter, sustainable "Green World" through precision climate control.

E-top professional thermostat factory with SMT production lines, R&D lab, and QC testing facilities

 

Our Manufacturing & R&D Power

We provide a full-chain manufacturing service, including SMT, Plug-in, Injection, Silk Printing, Assembly, and rigorous Aging Tests.

Production Capacity:

5,000+ units per day with a 95%+ on-time delivery rate.

Professional R&D:

Supported by a 20-member R&D team, we utilize advanced tools like FMEA, APQP, and PPAP to ensure world-class product development.

Core Algorithm Technology:

Instead of legacy 0% or 100% on/off switching, our proprietary Adaptive PID and PWM algorithms dynamically adjust the power duty cycle. This achieves perfectly smooth, constant temperature control, maximizes energy savings, and protects HVAC equipment from thermal stress.

Connectivity Leadership:

We are at the forefront of IoT integration, supporting:

Smart Ecosystems: Official integration with Tuya Smart, Smart Life, Amazon Alexa, and Google Assistant, and Matter.

Industrial Protocols: BACnet, Modbus, KNX, and OpenTherm.

Wireless Standards: Zigbee, LoRaWAN, RF (433/868/915MHz), and Bluetooth.

App Support: Seamless mobile control via App Store and Google Play applications.

 

World-Class Quality & Certifications

Quality is our signature. Every E-top thermostat undergoes a complete IQC/IPQC/FQC process in our professional validation lab. To ensure global market access and user safety, our products are rigorously tested and carry the world's most recognized safety marks:

Global Compliance:

TUV, ETL, CE (LVD, EMC, RED), UKCA, and EU CRA (Cyber Resilience Act)

Environmental & Packaging Standards:

RoHS, REACH, and PPWR (Packaging and Packaging Waste Regulation)

E-top thermostat certifications: TUV, ETL, CE, UKCA, RoHS, REACH, PPWR

 

Trusted Partners Worldwide

Our long-term commitment to quality has made us the trusted manufacturing partner for global industry giants, including:

Carrier, Bosch, Daikin, Danfoss, Viessmann, Belimo, Johnson Controls, Watts, Meross, and more.

E-top trusted partners and OEM clients including Carrier, Bosch, Daikin, Danfoss, and Johnson Controls

 

Company Vision

Reducing carbon emissions to create a greener, sustainable future.

We aim to enhance everyday life by bringing professional comfort and smart energy-saving solutions to every home and building.

 

Frequently Asked Questions

+ Are you a direct thermostat manufacturer?
Yes. E-TOP is a professional thermostat OEM/ODM manufacturer established in 2003, with in-house R&D, SMT production, assembly, testing, and quality control capabilities.
+ Does E-TOP provide OEM and ODM thermostat solutions?
Yes. We provide OEM and ODM solutions covering product customization, hardware and software development, prototyping, certification support, and mass production.
+ Can E-TOP customize thermostats for our brand?
Yes. We support private-label customization, including housing, logo, display and UI, control functions, connectivity, packaging, and other project-specific requirements.
+ What types of thermostats does E-TOP manufacture?
E-TOP develops and manufactures thermostat solutions for boiler heating, underfloor heating, electric heating, fan coil units, heat pumps, and commercial HVAC applications, with wired, wireless, Wi-Fi, and building-control options.

Contact Us: Let's Build a Greener Future Together

Interested in a professional HVAC solution for your project?

Contact Our Experts

Or email us directly: [email protected]

Company Profile

Core HVAC & Thermostat Product Lines

  • Boiler Heating Thermostat
    Boiler Heating Thermostat Boiler Heating Thermostat

    OEM Boiler Heating Thermostats & Controls Manufacturer Premium boiler heating controls developed by a top-tier OEM thermostat manufacturer with 20+ years of dedicated OEM/ODM expertise for global HVAC brands. Full-Chain Manufacturing: 8,000 m² ISO 9001/14001 certified facility with in-house SMT and assembly lines. Connectivity Leadership: Advanced support for OpenTherm, WiFi, RF (433/868MHz), and Matter protocols. World-Class Quality: Rigorous validation with TUV, CE, UKCA, and RoHS global certifications. Trusted by Industry Giants: The proven OEM/ODM manufacturing partner for Fortune 500 enterprises and top-tier global HVAC brands.

  • Water Underfloor Heating Thermostat
    Water Underfloor Heating Thermostat Water Underfloor Heating Thermostat

    OEM/ODM Water Underfloor Heating Thermostats & Controls High-performance water underfloor heating controls engineered by a leading Custom HVAC Controls Manufacturer with 20+ years of OEM/ODM expertise. Full-Chain Manufacturing: 8,000 m² ISO 9001/14001 certified facility with in-house SMT, assembly, and rigorous aging tests. Advanced Connectivity: Seamless IoT integration supporting Matter, Zigbee, WiFi, and Modbus/BACnet for complex HVAC networks. European Standard Quality: 100% validated in our professional R&D lab, carrying TUV, CE, UKCA, and RoHS certifications. Trusted by Industry Giants: The proven OEM/ODM manufacturing partner for Fortune 500 enterprises and top-tier global heating brands.

  • Thermostatic Radiator Valve Head
    Thermostatic Radiator Valve Head Thermostatic Radiator Valve Head

    OEM Smart Thermostatic Radiator Valves (TRVs) & Zigbee Controls High-precision thermostatic radiator valves (TRVs) engineered by a dedicated Smart Heating Controls Supplier with 20+ years of OEM/ODM expertise. Smart Connectivity: Advanced TRV ranges featuring Tuya Zigbee, Bluetooth, and RF protocols for modern smart heating ecosystems. Full-Chain Manufacturing: 8,000 m² ISO 9001/14001 certified facility ensuring strict quality control from SMT to final assembly. European Standard Quality: Rigorously tested in our professional R&D lab, fully compliant with CE, UKCA, and RoHS requirements. Trusted by Industry Giants: The proven OEM/ODM manufacturing partner for Fortune 500 enterprises and top-tier global heating brands.

  • Electric Floor Heating Thermostat
    Electric Floor Heating Thermostat Electric Floor Heating Thermostat

    OEM Electric Floor Heating Thermostat Manufacturer Professional 16A electric floor heating controls engineered by a premier OEM Thermostat Manufacturer with 20+ years of dedicated expertise. High-Load Performance: Robust 16A smart controllers designed specifically for optimal safety with electric heating films, cables, and panels. Full-Chain Manufacturing: 8,000 m² ISO 9001/14001 certified facility ensuring strict quality control from SMT assembly to rigorous aging tests. European Standard Quality: 100% validated in our professional R&D lab, carrying essential global safety marks including TUV, CE, UKCA, and RoHS. Trusted by Industry Giants: The proven OEM/ODM manufacturing partner for Fortune 500 enterprises and top-tier global heating brands.

  • FCU Thermostat
    FCU Thermostat FCU Thermostat

    OEM Fan Coil Unit (FCU) Thermostats & Controllers Professional fan coil unit (FCU) thermostats engineered by a specialist HVAC Thermostat Manufacturer for commercial projects. Commercial HVAC Integration: Advanced FCU controllers supporting BACnet, RS485 Modbus, and 0-10V modulating outputs for seamless Building Management System (BMS) connectivity. Versatile System Compatibility: Reliably engineered to control fans, valves, and dampers across various 2-pipe and 4-pipe commercial configurations. Full-Chain Manufacturing: 8,000 m² ISO 9001/14001 certified facility ensuring strict quality control and large-scale manufacturing for hotel and office retrofits. Trusted by Industry Giants: The proven OEM/ODM manufacturing partner for Fortune 500 enterprises and top-tier global climate control brands.

  • Heat Pump Thermostat
    Heat Pump Thermostat Heat Pump Thermostat

    OEM Heat Pump Thermostats & 24V HVAC Controls for North America Professional heat pump thermostats engineered specifically for the North American HVAC market. Backed by a top-tier HVAC Controls Manufacturer with over 20 years of OEM/ODM expertise, our comprehensive portfolio delivers advanced 24V heating and cooling control, multi-stage compatibility, and smart WiFi integration for US and Canadian brands. North American Standard: Powered by standard 24V AC (C-Wire required), fully supporting conventional 2H/2C and heat pump systems up to 3H/2C with Aux/Emergency heat. Smart Home Ecosystem: Seamless IoT integration featuring Tuya/Smart Life apps, along with native voice control via Amazon Alexa and Google Assistant. Scalable OEM Solutions: From white-label branding and custom UI design to tailored firmware logic, providing agile manufacturing support to fast-track your B2B product line.

Top-Selling OEM/ODM Thermostats

Explore our top-selling OEM/ODM smart thermostats, engineered for precision HVAC control, energy efficiency, and seamless IoT integration.
  • FT-08: 0-10V Modulating Thermostat for 2-Pipe or 4-Pipe Fan Coil Unit

    This modulating FCU thermostat is designed to control the fans, valves, dampers or electric heater in fan coil units and heating applications in industrial, commercial or residential environment.

    • Item No.:FT-08
    • Application: For 2-pipe or 4-pipe fan coil units (FCU)
    • Control Signal: Valve control via 2-point (on/off) or 0...10 V modulating output
    • Fan Compatibility: Supports 3-speed fans or high-efficiency fans with EC motor
    • Memory Function: Non-volatile memory to retain program settings during power outages
    • Smart Protocol: Modbus/RTU management control for BMS integration (Optional)
    • Programming: 7 days 4 periods programmable scheduling (Optional)
    • Safety Feature: Child Lock function to prevent unauthorized settings (Optional)
    • Sensor Input: External NTC sensor for remote temperature sensing (Optional)
    • Energy Saving: Keycard input for hotel energy management (Optional)
    • Remote Access: WiFi Remote Control via Smartphone App (Optional)
  • RS485 Modbus Smart Thermostat for fan coil, valve, heat pump or gas boiler control

    This WiFi Smart Thermostat is a versatile and user-friendly device designed to control both water underfloor heating valve and ceiling fan coil valve and fan coil unit at heating & cooling heat pump control systems. Featuring a sleek and responsive touchscreen interface, this smart touch screen thermostat offers effortless temperature adjustments and remote control capabilities. 

    •      Attractive and Big LCD Display
    •      Multiple modes control(Manual,Economy and PRG. Mode)
    •      Water underfloor heating or cooling system(3A) or Electric underfloor heating system 
    •      EC fan coil unit control ( Optional) 
    •      7 days Programmable (4periods/day)
    •      Clock display
    •      86*86*16.1mm dimension
    •      Frost protection
    •      2.4G WIFI
    •      External sensor supported
    •      RS485, Modbus in optional
    •     CE, ROHS approved
  • Wifi Control Programmable Boiler Heating Thermostat

    This is a wifi thermostat provides convenience to control heating system remotely for room temperature. Build-in sensors in your room wireless thermostat detects when the temperature falls to a chosen level and then feedback to the heating system to turn on. It's an easy use thermostats.

    • Item No.: WT-02
    • Programmability: 7days programmable
    • Mode: Heating and cooling mode (Default heating mode) 
    • Backlight: White
    • Material:  ABS+PC
    • Packing : Netural White Box, OEM acceptable
    • Other function: Child lock, Open window detection, Frost protection, Temp. calibration 
    • Optional: Opentherm protocol, WiFi optional, Zigbee optional
    • Cetificate: CE, ROHS, UKCA, REACH, RED
  • New Arrival 4inch TFT Color Screen Heat/Cold Smart Thermostat

    The HT-CS08 is an elegant modern design colorful smart thermostat designed for optimal indoor temperature control across gas boilers, water heat pumps, ground-source heat pumps, and underfloor heating systems.

    • WiFi Remote Control
    • 4inch Color Touch Display
    • Manual & PRG mode
    • Heat(Winter) & Cold (Summer) Mode
    • Water Heating System (3A)
    • 7 days Programmable (6 periods/day)
    • Anti-frost Protection
    • Child Lock
    • External Sensor (Optional)
    • Zigbee Function (Optional)
    • Customized User Interface (Optional)
  • FT-66: Modern BACnet EC Fan Coil Thermostat with Keycard Support

    The FT-66 is an advanced glass panel thermostat engineered for hotel guestrooms, featuring keycard occupancy support and EC fan control for maximum energy savings. For exploring more commercial building solutions, view our complete portfolio of BACnet MS/TP Thermostats.

    • Item No.: FT-66 (BACnet or Modbus Optional)
    • Display: Premium scratch-resistant glass panel with high-contrast digital LCD readout.
    • Hospitality Optimization: Dedicated occupancy sensor (Keycard) input for automated energy management.
    • System Compatibility: Designed for 2-pipe or 4-pipe Fan Coil Units (FCU).
    • Precision Control: Proportional-Integral (PI) valve control via 2-point or 0–10V modulating output.
    • Fan Motor Support: Optimized for high-efficiency EC motors or traditional 3-speed fans.
    • BMS Communication: Optional BACnet MS/TP or Modbus RTU protocol for seamless hospitality system integration.
    • Data Security: Non-volatile memory retains all program settings during power outages.
    • Security Feature: Integrated Child Lock/Guest Lock to prevent unauthorized local tampering.
  • CH7600 Smart WiFi Heat Pump Thermostat (3H/2C)

    The CH7600 is a professional-grade WiFi Smart Thermostat optimized for multi-stage heat pump systems (up to 3H/2C). Engineered for OEM/ODM clients by E-TOP Controls, it features advanced algorithms to maximize heating efficiency and minimize costly auxiliary heat activation. This TFT touch-screen controller provides a premium, white-label solution for HVAC distributors seeking reliable, high-end climate control technology.

    • Item No.: CH7600
    • Power Requirement: A C-Wire is required for all systems (24V AC)
    • System Versatility: Supports up to 3 Stages Heating and 2 Stages Cooling (3H/2C)
    • Universal Compatibility: Works with Heat Only, Cool Only, and conventional HVAC systems
    • Heat Pump Optimized: Compatible with Heat Pump systems (With or Without Auxiliary Heat)
    • Smart Home Ready: Works with Amazon Alexa and Google Assistant
    • Mobile Control: Remotely manage comfort via your smartphone from anywhere
    • App Integration: Supported by free mobile apps for Android and iOS (Tuya Smart/Smart Life)
    • Premium Interface: High-resolution TFT Capacitive Touchscreen Display
  • Wireless WIFI Smart Thermostat and Module for PTAC

    CH7400 Wireless Digital PTAC Thermostat and Base Module is a new energy saving solution for the hospitality industry and all other markets who use PTAC units. This weekly programmable PTAC thermostat designed to work on just about any PTAC brand.  It comes complete with a wall mounted digital thermostat and base module which easily plugs into most late model PTAC units. It offers affordable comfort contol for any room. It features low and high speed fan controls and a large temperature and set point display with model negative touch screen. It can be used with either a heat strip or heat pump PTAC.

     

    • Item No.: CH7400
    • A c-wire is required for all systems
    • Works with two stages of heating and two stages of cooling (2H/2C)
    • Works with Heat Only and Cool Only system 
    • Works with Heat Pump (With or Without Aux)
    • Works with Amazon Alexa, Google Assistant
    • Remotely control your home comfort from your smartphone
    • Using the free mobile app for Android and iOS devices.
    • External Temperature Sensor
  • New Smart WiFi Wireless Thermostat for Gas Boiler or Thermal Actuator Control

    This is a smart wifi room thermostat for boiler or thermal actuator heating control system in each single room. Build-in sensors in your  wireless room thermostat detects when the temperature falls to a chosen level and then feedback to the heating system to turn on. 

    • Item No.: WT-25
    • Programmability: 7days programmable
    • Mode: Manual Mode, Away Mode, PRG Mode 
    • Color:  Black or White 
    • Backlight: White
    • Material:  ABS+PC
    • Packing : Netural White Box, OEM acceptable
    • Other function: Child lock, Open window detection, Frost protection, Temp. calibration 
    • Optional: Opentherm protocol, WiFi optional, Zigbee optional
    • Cetificate: CE, ROHS, UKCA, REACH, RED

Global HVAC Partners

Global HVAC Partners

International Quality Certifications

International Quality Certifications

Industry certifications including CE, RoHS, FCC, and communication protocols support for BACnet, Modbus, KNX, LoRaWAN, Zigbee, Wi-Fi, and Bluetooth

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