Recent reviews

Trusted Customer
10 Aug 11:37

The staff (Natasha) I dealt with were excellent. She went above board to help find a solution to ...

Karen Flint
10 Aug 08:41

Easy to order. Delivered the next day. Reasonable price

Trusted Customer
9 Aug 17:21

It was easy to complete the purchase online

Trusted Customer
9 Aug 12:12

Fast service

Electric heater room size calculator

Our simple electric heater room calculator will provide you with an estimate of the minimum size and quantity of radiators, panel heaters or storage heaters your room will require to establish and maintain a temperature of 21°C within the United Kingdom.

Or call one of our advisors on 01473 276686 for a more accurate heat loss calculation.

Room dimensions

Enter the dimensions of your room in meters.



Thermal zone

Select a thermal zone from the map.

North facing

Is any of the room exterior facing to the North?

Electric Radiator Room Size Calculator Thermal Zones

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Heater Shop articles

Best Air Conditioning for your bedroom

Jul 12

So many options to choose from and so little time - quite literally. Sweltering in the temperatures of the current UK heatwave, Brits are already complaining on day two - or should I say night two. It's the nights where we really feel the d...

Read more

What are the different types of Storage Heaters?

Mar 25

As technology evolves, translations of new products often get lost. Electric storage heaters have been around since the 1960s, exploiting night-time electricity tariffs to provide an economical heating solution. Throughout the eras, the technology...

Read more

Electric Water Heaters vs Conventional Water Heaters

Mar 19

Need a heater, get a gas boiler, right? Wait! Are you sure that’s the best option for you? Expensive, large, untrustworthy. Replacing an old boiler and fitting a new one is one of the costliest purchases for the house, not to mention a ...

Read more

Debunking the Electric Radiator Jargon

Mar 18

There are so many electric radiators to choose from with so many features and functions, but what does all the jargon mean? We take a look at many of the functions available for electric radiators and explain what each of them do and how they can ...

Read more

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Control your electric heating

Complete control of your heating from anywhere

Rointe Wi-Fi E-Life Technology

The Rointe Delta has a built-in Wi-Fi module, enabling complete management of your heating from anywhere.

Using Rointe's e-Life technology, the Rointe Delta range can be directly controlled at anytime, wherever you are, using a smartphone, tablet or computer.

Use the same Rointe remote control for all appliances

Rointe Remote Control System

The entire range of Rointe Kyros products can be programmed using the Infrared Remote Control system.

It allows you to create and configure your programmes within the remote control and send the configurations to all of your installed radiators, towel rails and water boilers.

Radiator and Heater Shop

Heater Shop specialise in supplying premium and budget electric heaters and electric heating solutions, including high efficiency Elnur, Haverland & Rointe electric radiators and electric towel rails. As standard we offer free next day delivery to most of England, Scotland & Wales, free design service including accurate heat loss calculations and a price match policy - we won't be beaten on price. Call now on 01473 276686.

Electric Heating brands


Rointe have been providing warmth and comfort to homes and businesses for more than 30 years and pride themselves on their reputation for being innovative, safe, ecological and efficient.


Elnur was founded in 1973 and have established themselves as one of the leading European providers of the most efficient heating system in the world: electric heating.


With more than 40 years’ experience in electric heating systems, Haverland is one of the leading companies in the manufacture and sale of energy efficient electric heaters and is considered a market leader in research, development and innovation in this field.


Dimplex are the world’s largest electric heating appliance manufacturer. Over the course of nearly 70 years, Dimplex have earned themselves a proud reputation for continued investment in quality and innovation.


Electrorad is a well established electric heating company that has selected some of the best quality international electric heating products and brought them to the UK market. They have been working very hard over the last 17 years to ensure that the most effective and efficient products are available to the British public.


Creda, with over 40 years of industry experience, produce efficient electric heating products that offer specifiers and installers an attractive and simple range, compliant with new legislation and regulations.
Creda is a cutting-edge and diverse range of products created by this unique brand.


The DEVI brand is a part of the Danfoss Group – Denmark's largest industrial company. DEVI is the global market leader in floor heating and the biggest European producer of the electrical heating systems.


Harmoni has over 30 years of experience in the heating industry and during that time we have built a reputation for providing quality products, combined with exceptional customer service and sound technical advice. Harmoni offer energy efficient, intuitive and well-designed heating solutions with energy-saving technology at the heart of every product.

Heater Shop Trade Accounts & Trade Discounts

Latest Tweets from Heater Shop

Heater Shop @TheHeaterShop

Jul 13

Head over to the Heater Shop for our range of Fans, Air Conditioners, Air Purifiers, Air Humidifiers, & Dehumidifie…

Heater Shop @TheHeaterShop

Apr 22

RT @purcell_elec: Just got this @rointe_uk Belize 1210W heater delivered from @theheatershop. It's quite the beaut and I look forward to in…

Heater Shop @TheHeaterShop

Aug 3

See our range of stainless steel #designerheating towel #radiators. Perfect for keeping towels warm and creating a…

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