• Factory Direct

      Quality & Competitive Price

    • OEM / ODM Service

      Customized Smart Solutions

    • Certified Quality

      ISO / CE / RoHS Approved

    • Global Delivery

      Fast & Reliable Shipping

    Shop Our Bestsellers

    Top tools. Proven performance.
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    Why Choose Wanyoujia

    Smart control expertise you can trust.
    • Strong R&D Capability

      Strong R&D Capability

      Fast innovation, customized smart thermostat solutions.

    • Complete Production Line

      Complete Production Line

      From SMT to assembly, full in-house control.

    • Strict Quality Assurance

      Strict Quality Assurance

      ISO9001-certified, CE and RoHS approved.

    • Global Partnership Network

      Global Partnership Network

      Trusted by leading HVAC brands worldwide.
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    Our strength, your confidence.

    Trusted manufacturing partner for smart HVAC control
    • 7000+
      Factory Area
    • 120+
      Skilled Employees
    • 30+
      Countries Served
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    Smart
    Efficient
    Customizable — OEM/ODM
    Certified
    Reliable
    Connected

    Global Partners / Our Clients

    We work with trusted partners to deliver tools that raise the standard.
    Johnson Controls Honeywell Siemens AG Trane Technologies plc Vaillant Group

    What the Pros Say

    Real feedback from real users who rely on Krank to get the job done.
    • Wanyoujia’s thermostats are reliable and easy to integrate into our building projects. Their technical support is excellent.
      GreenTech Solutions, UK
    • The OEM service from Wanyoujia allowed us to launch our branded smart thermostats smoothly. Highly recommended.
      ComfortHome Co., Germany
    • Fast delivery and top-notch quality. These thermostats have helped us reduce energy consumption significantly.
      Nordic HVAC Ltd., Denmark
    • We’ve partnered with Wanyoujia for multiple projects, and their R&D team always provides innovative solutions.
      ThermoSmart Inc., USA
    • Their thermostats are compatible with various heating systems, making our installations much easier and efficient.
      ECO Heating Systems, Canada
    • Professional team, responsive service, and consistent product quality. A trusted partner for smart control solutions
      Sunrise HVAC, Italy