Herschel iQ MD2 Wired Thermostat
$129.00 ex. Tax
(16 reviews)
MD2 Mains Powered WiFi Smart Thermostat
MD2 Mains Powered WiFi Smart Thermostat Herschel iQ MD1 - side view

Herschel iQ MD2 Wired Thermostat

$129.00 ex. Tax
(16 reviews)

Key Features:

  • 16 Amp wired thermostat
  • 7 x 1 day programmable
  • Open window detection
  • Temp control up to 45℃/113°F
  • Keypad locking feature
  • Optional internet control via SmartLife App

Please allow 10 to 14 days for delivery.

10 to 14 Days

5 year warranty

Reduce heating Cost

Energy efficient

Easy Installation

Zero Maintenance

Find Out More

  • Description


    The Herschel iQ MD2 Wired Thermostat is ideal for new builds/renovations where cabling can be neatly hidden whether it be for domestic or commercial applications. When used in conjunction with your wifi network and the SmartLife app, MD2 can also be controlled remotely via the internet, enabling you to manage your heating when you are away from the building. The SmartLife App also enables control of your heating by voice using Alexa or Google Assistant.

    MD2 is wired directly to the mains circuit and the heaters. All MD2 orders include both a plastic surface mount backbox and a metal recessed back box.

    The MD2 thermostat will operate your Herschel heater(s) by turning them on if the room temperature is lower than the desired temperature and turning them off once the desired temperature is reached. The MD2 is easy to operate, features a large digital touchscreen display, and incorporates the latest EcoDesign energy-saving features including Herschel’s open window technology.

    MD2 has a keypad locking feature to prevent unauthorized tampering making it suitable for commercial applications such as hotels, care homes, student accommodation and let properties.  The MD2 is a 16 amp thermostat enabling up to 3.6 kW of Herschel heaters to be connected.


    Note: Herschel iQ controls will only work with Herschel heaters.   *Attempted use with any other heater brand will invalidate the warranty. 

    The MD2 is available in °C and °F.

  • Technical

    Technical Specifications

    With a very clear backlit digital control display the MD2 has easy-to-use functions and the latest energy-saving technology including:

    • 7 x 1 day programmable, 4 periods per day;
    • Manual and Economy modes;
    • Window Open Function (shutting off the heating if a rapid drop in temperature is detected until you override this or wait 1 hour);
    • Target Temperature control (up to 45°C/113°F, making it suitable for specialist high-temperature applications such as hot yoga studios);
    • Keypad lock;
    • Wall-mounted;
    • IP30 protection – do not install in zones 0-2 in bathrooms (indoor use only);
    • App-enabled;
    • Voice control via Alexa or Google Assistant when used with the App.

    Other Features:

    • 16 Amp peak load at 230 volts;
    • Requires 2.4GHz wifi network for use with SmartLife app;
    • 5-year warranty;
    • Herschel Infrared heaters together with the iQ MD2 are fully compliant with EC Directive 2009/125/EC for Ecodesign of local space heaters.

    Quality & Safety

    iQ Certifications

    Herschel Heaters and iQ Controls comply with ErP Regulation (EU) 2015/1188 and Supplement (EU) 2016/2282 (Lot 20).

  • Manuals and Guides


    Download the Smartlife App:






  • Controls / Accessories

    Optional Accessories

    • Soft start 6kW controller

      6kW Soft Start Controller

  • Reviews (16)

    16 reviews for Herschel iQ MD2 Wired Thermostat

    1. Paul

      Herschel heater did the job, with its highly accurate thermostat keeping the room at the perfect temperature

    2. Simon

      Option to control on my phone is a game changer!

    3. Nicola

      Installed the heater on ceiling of my kitchen and it is perfect. I can even control the temperature of the space from my phone.

    4. Peter

      Delivered on time and the product is of high quality.
      The timer thermostat works quickly and is simple to set up.

    5. Melanie

      I don’t use any of the sophisticated control features as manual control works perfectly for me. Nice looking and compact.

    6. Tomas

      I like the wireless feature of the thermostat – I can view it anytime and make changes while at work eg: the day turns out to be warmer or colder than forecast, or I’m going to be home earlier than planned.

    7. Tessa

      Heater arrived without thermostat originally. Quick response from Herschel, FedEx had delayed these by a day. Unit looks to be of good quality & is quietly effective in providing background heating in a small living room. Easy to set up control via the Smart Life app on Android, although I’ve not explored all the options available. The ability to control the heater remotely will be particularly useful. Looking to be an economical way to provide localised, controllable heat that may be used to minimize the necessity of switching on the gas central heating during cooler weather during the spring & fall. Expensive, compared to other infra-red panels I’ve seen on Amazon & elsewhere, but definetly worth the investment.

    8. Andrew

      Pairing to the app took a few goes but overall great experience and a greta product. We have heaters in 3 rooms each controlled by its own thermostat meaning we are able to heat each room independently.

    9. jeremy

      Synchronised and paired easily to the Smart life app, the Herschel MD2 in line Wifi stat.

    10. Doreen

      We have replaced a gas central heating system with Herschel Inspire range and it is a perfect replacement offering full control throughout the house.

    11. Tim Chant

      Great service- ordered, then delivered the next week. Really easy for electrician to fix to wall and set up with with the touchscreen and looks smart.

    12. Andy Smith

      The heaters are very effective, and we’re really pleased with how easy they are to control, especially when we set different areas on different temperatures.

    13. Tessa McDonald

      The people I spoke to were really helpful. They helped work out the sizes and type of thermostat I needed. The goods arrived promptly and look great
      The instructions for the thermostat could be easier to understand but still relatively straightforward. Apart from that really pleased with everything

    14. Jason Collodi

      We only heat the bathroom in the morning and evening, and have this set at a higher temperature which is lovely. Took two tries to set up with the smart app but works great now.

    15. Mr Griffin

      Panels heat up quickly when switched on and the thermostatic control is easy to use.

    16. jon Mather

      It look great and the stat control is fabulous for keeping control of the temperature

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