Company Profile

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

Your Global Expert in Smart HVAC & IoT Control

Who is E-TOP?

Founded in 2003, E-top is a premier ISO 9001:2015 and ISO 14001:2015 certified manufacturer with over 20 years of dedicated expertise in the thermostat 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 Standards: RoHS and REACH

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

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.

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]

Main Categories

Boiler Heating Thermostat
OEM Boiler Heating Thermostats & Controls Manufacturer Premium boiler heating controls developed by a top-tier 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.

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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.

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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.

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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.

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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.

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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.

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Hot Products

Let the life be different, To change the future of science and technology

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
HT-CS08 is a elegant modern design colorful smart thermostat. It is designed for optimal indoor temperature control at gas boiler, air to water heat pump, air to groud heat pump underfloor control system.
- 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)
- CE, ROHS certificate
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
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

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