What’s Inside an Electric Radiator?


Electric radiators are an efficient and popular heating solution for many homes and businesses. They provide warmth and comfort without the need for a central heating system or a gas supply. But have you ever wondered what’s inside an electric radiator?
In this blog post, we will take a closer look at the components and technology that make up an electric radiator, giving you a better understanding of how they work and why they are so effective.


The Outer Shell

The outer shell of an electric radiator is typically made of durable materials such as steel or aluminium. These materials are used for their heat-conducting properties, allowing the radiator to distribute heat evenly throughout the room. The shell is often coated with a layer of paint or powder coating to give it a sleek and stylish finish.


The Heating Element

At the heart of an electric radiator is the heating element. This is the component responsible for generating the heat that warms up the room. The heating element is usually made of high-resistance wire, such as nickel-chromium alloy. When an electric current passes through the wire, it heats up, emitting warmth into the surrounding air.


The Thermostat

To control the temperature of an electric radiator, a thermostat is integrated into the design. The thermostat measures the ambient temperature of the room and adjusts the heat output accordingly. This allows you to set your desired temperature and ensures that the radiator maintains a comfortable environment.


The Control Panel

Electric radiators often come with a control panel that allows you to adjust various settings. This can include temperature settings, timers, and programming options. The control panel provides you with the flexibility to customise your heating preferences and schedule, ensuring optimal comfort and efficiency.


The Thermal Fluid

Some electric radiators contain a thermal fluid, also known as a heat transfer fluid. This fluid is sealed within the radiator and acts as a medium to distribute heat evenly across the surface. The fluid absorbs heat from the heating element and releases it slowly, providing a more consistent and comfortable heat output.


The Fins

Fins are another important component found inside electric radiators. They help to increase the surface area of the radiator, allowing for better heat dissipation. The fins are typically made of aluminium, as it is an excellent conductor of heat. By increasing the surface area, the fins enhance the radiator’s efficiency, ensuring that more heat is transferred into the room.


The Fan

Some electric radiators are equipped with a fan to help circulate the warm air more effectively. The fan draws in cool air from the room and pushes it over the heating element, allowing for faster heat distribution. The use of a fan can significantly improve the heating efficiency of the radiator, making it a popular choice for larger spaces or areas with poor insulation.



Electric radiators are a modern and efficient heating solution that offers a range of benefits. Understanding what’s inside an electric radiator can help you make informed decisions when choosing the right heating system for your home or business. From the outer shell to the heating element, thermostat, control panel, thermal fluid, fins, and fan, each component plays a crucial role in providing warmth and comfort.
Next time you turn on your electric radiator, take a moment to appreciate the technology and engineering that goes into its design. Electric radiators are not just a source of heat; they are a testament to innovation and efficiency in the world of heating systems.