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Tesy CN04 WiFi Electric Convection Radiator Smart Home Panel Heater


£45.00£137.00 inc.Vat


We use a Next Working Day delivery service on UK Mainland orders†.

Orders placed before 11am will be dispatched the same day. Orders placed after 11 am will be shipped the following business day.

Once the order is dispatched, the shipping  information will be sent via text or email. 

On the day of delivery, the courier will provide a time window for the delivery is expected. You must be available at this time, as a signature will be required for delivery.

Please Note : Post Brexit shipments from the UK to the EU are subject to international delivery policy.  This includes the Republic of Ireland.  Please see further info in the section below.  

† excluding Isle of Man, Isle of Wight, Scottish Highlands & Islands, Scilly Isles, Channel Islands & Northern Ireland. See rates below. *From the courier receiving the item.

International Delivery

Please Note : Post Brexit shipments to the EU are subject to international delivery policy.  

All orders are processed and shipped within 24-48hrs (excluding weekends and holidays.) Normal business hours are Monday-Friday, 9am-5:00pm GMT – Shipping is not available outside of these hours.

The shipping cost will be calculated at checkout. This does not include import tax or duty fees.

Please note, Vat it not charged on international orders. Tax and import fees have to be paid to customs have to be paid when importing goods. We are not responsible for customs or import duty. 

After the order has been dispatched, you will receive an email/text notification with shipping confirmation and a tracking number. 

For European customers, we estimate delivery to take approximately 3-5 business days. 

Unless faulty, the item must be returned within 30 days of receiving delivery. The item must be retuned at the buyers cost. The item must be: in the original condition, undamaged and unused. Otherwise it will not be eligible for a refund.  

Outside of the 30 period we offer a 60 day period where the item can be credited or exchanged for another item. (As long as the item remains in its original condition and retuned at the buyer’s cost)

If you wish to cancel your order prior to delivery. We recommend contacting us via email or phone call. Please reference your order number and postcode.

Please see the link below for full return details: 


Credit and Debit Card Orders:

We use the following payment terminals:

PayPal, Payzone. 

If you’d like to pay using a debit/credit card, please select payzone at checkout.  


All products are priced inclusive of VAT unless otherwise stated.

  • Smart Home Automation: Control your heating from anywhere
  • Control several heaters by grouping them
  • Energy Efficient, exceeds 2018 LOT20 regulations
  • LED Display & Manual Control
  • IP24 rated Splash Proof – Suitable for Bathrooms
  • 5 years manufacturer’s guarantee
  • We love this heater because: The simple app and its smart features


Tesy. Impressive Heating.

The Tesy CN04 electric convector, is the smartest panel heater available. With the sophisticated and intuitive APP you have full control over your heaters from anywhere in the world with real time energy consumption reports. Controlling your heating has never been easier.

The TESY CN04 is fully complaint with the LOT 20 2018 ECO Design Derivative, making it one of the most energy efficient electric heaters available.

The heater is only 80mm deep, resulting in a slimline, and discrete fitting against the wall. The compact design reduces the width of the heater, allowing you to fit high wattage heaters into tight spaces.

Smart WiFi

The CN04 connects directly to your WiFi. By using your phone / tablet to pair the heater and WiFi together, no additional parts are needed. Simply plug the heater in, pair with WiFi and you can ready to control your heater from anywhere. Never leave the heating on, or come home to a cold house again.

Real Power Log

The TESY App records the activity of the heater. You can see exactly when and for how long the heater working for. As well as keeping an account of the temperature within the room. This information is displayed on an easy to read graph. The heater also shows the heaters consumption in kWh.

Time and Temperature Control

Set your heater to automatically follow a 24 hour / 7 day timer schedule. The TESY gives you absolute control as for each hour, you can set a different temperature. With the additional “Delay Start” feature, you can temporarily suspend the heater’s programme for a period of your choosing.

Anti-Tamper Lock 

With the APP, completely lock the heater so that it can’t be tampered with. Ideal if there the heater is situated in public spaces or around children.

Group Heaters

If you have multiple heaters in a room, they can be grouped and controlled together eg living room or conservatory. Letting you control the different area’s of your home independently in a quick and intuitive way.

LOT20 compliant

The CN04 is compliant with the eco design LOT20 regulations. With energy saving features, such as Adaptive start and open window detection. Ideal for landlords looking to reduce their house’s UPC rating or anyone looking for a energy efficient heater.

Smart WiFi. Cloud.

The TESY smart cloud is available on IOS and Android, simply download onto your mobile or tablet.  Getting your home heating to corroborate with your lifestyle has never been easier.

No matter if you’re on your way home, or leaving to go on holiday, you can still have full control over your home heaters. Gone are the days of leaving the heating on or coming back to a cold house.

Modern Controls. Efficient Heating.

The CNO4 is equipped with the latest technology in the heating market. Saving energy consumption by up to 21%*.

-Delay start/ stop timer – 96 hours, Sleep function,
-The electric thermostat sensors. Actuate to 0.1 of a degree, and recognise the slightest drop in the temperature and adjust the heater accordingly, maintaining a comfortable room temperature. Far more accurate than the mechanical thermostats equipped on cheaper heaters. Preventing spikes in the room temperature, helping to create a consistently comfortable living environment.
-Adaptive ECO Start- The heater records and learns how long is needed the heat the room. Enabling it to determine exactly when it needs to begin to heat, ensuring that the room is warm for the time you set your programmes to come on.
-Open Window Detection- The heater detects a sudden reduction in the room temperature caused by an open window. Then temporarily stops heating, so no energy is being wasted and resumes after a short while.

Simple, Stylish Solution.

TESY’s Premium components ensure maximum reliability and efficiency. The heater instantly produces heat, which is dispersed by the front facing vent. This pushing the heat directly into the room. Helping to create a warmer home faster.

The dry thermal heating element is ideal for asthma suffers. Convector heaters provide instantaneous heat, warming your room faster than ever before. With the additional benefit of being far more controllable than oil filled radiators. vWith no moving parts or fans the heater is silent in its operation. Minimum energy is wasted, as 99.9% of the energy imputed to the radiator is transferred into heat.

With an Ip24 splash proof rating, the heater is ideal for any room. TESY are a European manufacture and renowned for their high quality and reliability. Backed by a 5 year warranty, you can be certain the heater is built to last.

The heater is supplied with a 3 pin plug, ready to simply plug in. Wall brackets, screws and instructions are included.

If you have any questions regarding this product, feel free to message us.

ModelPower (Watts)Dimensions H x W x D (mm)Room Size Heated(m2)Weight (Kg)
TESY CN04050EAS500450 x 490 x 8062.8
TESY CN04100EAS1000450 x 610 x 80123.3
TESY CN04150EAS1500450 x 680 x 80183.7
TESY CN04200EAS2000450 x 890 x 80244.2
TESY CN04250EAS2500450 x 1060 x 80285

*in comparison to products with a mechanical Bimetal thermoregulator

Additional information


13 reviews for Tesy CN04 WiFi Electric Convection Radiator Smart Home Panel Heater

  1. anoak1976

    Everything OK…

  2. kellyann300

    Good item thank you fast delivery

  3. member102834

    Great Product Fast Delivery A+++++++++ Seller Thanks

  4. thebirdy09

    Great seller! AAA+++ super fast delivery!! True to their word! Thank you!!

  5. Anonymous


  6. Anonymous


  7. Ella

    Really do like this heater.
    The APP is really cleaver and I like the stats on my energy use.
    Love it !

  8. maggied0111

    Excellent service,thank you 🙂

  9. mjse18

    Item arrived in good time and exactly as described. Great quality product A+++++

  10. solutionsforyou

    Excellent customer service, Great product, Easy to install, Fast delivery

  11. solutionsforyou

    Quality product for a great price, excellent customer service, fast delivery

  12. solutionsforyou

    definitely recommend this supplier- excellent service with quality product

  13. Stefan Waldis

    great service and great product – I am very happy having the convectors Tesy and Adax

Add a review

Fast Delivery

Place your order before 12 noon and we’ll dispatch the same day. 

Our distribution centre is in North Yorkshire. We take carriage seriously – all parcels are securely packaged and sent with a courier who understand how to handle larger items assuring the safest service possible.

We offer FREE tracked next working day delivery to most of the UK’s mainland*. As well as discounted rates to Highlands, Islands and mainland Europe. See our delivery page for full details and exceptions.

Peace of Mind

Our products are meticulously chosen and beautifully manufactured. Backed by comprehensive guarantees for your long term peace of mind. Providing great quality and value for money.

Join thousands of satisfied customers; we’re so sure you will find our products superior in every way we offer a 30 days to return window. Please see our returns page for full details.

What our customers think