Radiators

Choosing the right radiator is essential to enjoy a comfortable home without increasing your electricity bill. At Bestherm, our electric radiators combine thermal performance, innovative technologies, and contemporary design to meet all needs. Dry inertia, connected heating, or double heating core: each solution is designed to offer lasting comfort while controlling your consumption.

 

Which electric radiator should you choose for your home?

The right radiator is not necessarily the most powerful: it must above all be suited to your home and lifestyle. Room size, insulation, occupancy frequency, and budget are all criteria to consider before making your choice.

At Bestherm, each radiator is designed to deliver pleasant warmth, maintain a stable temperature, and simplify daily heating. Quality materials and precise regulation improve comfort while limiting energy expenses.

Dry inertia radiator: gentle and even comfort (Ceramic & Cast Iron)

The dry inertia radiator stores heat in a refractory material before gradually releasing it. This operation ensures a stable temperature, limits heat fluctuations, and improves comfort while reducing electricity consumption.

Two main technologies exist:

• The cast iron electric radiators offer exceptional thermal inertia thanks to their ability to store and then gradually release heat.
• The ceramic dry inertia radiators stand out for their faster heating while maintaining the benefits of gentle and even warmth.

Other technologies such as heat transfer fluid, natural convection, or infrared radiation also meet certain specific needs, but dry inertia remains the standard today for combining comfort and energy savings.

Connected and smart radiator: control your consumption

The connected electric heater lets you control your heating from your smartphone, wherever you are. In seconds, you can change the schedule, adjust the temperature of each room, or turn off a device left on. This way, you keep control of your consumption even when you’re away.

Equipped with a programmable thermostat, the smart electric heater automatically adapts heating periods to your lifestyle. You heat only when necessary, naturally reducing electricity consumption. According to ADEME*, adapted programming can save up to 30% energy.

 

Double core & film models: the combination of quick heating and temperature maintenance

Double core heaters combine a highly responsive heating film with an inertia core to offer rapid temperature rise without sacrificing long-lasting comfort.

In a living room or large living space, this technology provides almost immediate warmth while maintaining a stable temperature for several hours. Comfort is felt quickly without frequent heating restarts.

 

How to properly size the Wattage of your heater?

To estimate the right Wattage, the most common rule is to plan about 100 W per m² in a properly insulated home. This estimate is an excellent starting point before refining according to the room’s exposure or insulation level.

Insulation performance, room exposure, or large bay windows may require adjusting this Wattage. 

To sustainably limit your consumption, economic electric heaters combine inertia, efficient electronic regulation, and smart programming to optimize every heating period.

Room area	Ceiling height	Recommended Wattage	Recommended use
Less than 10 m²	2,50 m	500 to 750 W	Office, small bedroom
10 to 15 m²	2,50 m	1000 to 1500 W	Bedroom, kitchen, spacious office
15 to 20 m²	2,50 m	1500 to 2000 W	Living room, lounge, living area
Over 20 m²	2,50 m	2000 W or 2 × 1000 W	Large living room, open space

 

Key features of Bestherm radiators

Every day, several features improve comfort while limiting energy expenses. Bestherm radiators incorporate technologies designed to offer smarter, more economical, and easier-to-use heating.

They are compatible with centralized management via pilot wire, feature weekly programming, a programmable thermostat, efficient electronic regulation, and have an IP24 protection rating, suitable for various rooms in the house.

All Bestherm radiators comply with European requirements and bear the CE marking**. Some models also have NF Électricité certification***, a guarantee of quality, safety, and energy performance.

Open window and presence detectors

In case of ventilation, the radiator with open window detector automatically detects a sudden drop in temperature and reduces its power to avoid any unnecessary consumption. It then lowers its power to prevent heating unnecessarily during window openings.

Models equipped with integrated presence detection automatically adjust their operation based on room occupancy, improving comfort while limiting unnecessary consumption.

Interchangeable thermostat and ease of maintenance

Designed to support your home in the long term, this technology relies on durable and scalable design. The interchangeable thermostats allow you to replace only the control system when necessary, without having to renew the entire radiator.

This design facilitates maintenance, reduces upkeep costs, and extends the lifespan of your equipment.

 

FAQ: Everything you need to know about electric radiators 

Which electric radiator is the most economical in consumption?

The dry inertia radiator in cast iron or ceramic equipped with a smart thermostat is currently the most economical solution. It continues to emit gentle heat after the resistance stops, limiting heating cycles and reducing electricity consumption.

• Gradual heat diffusion.
• High-precision programmable thermostat.
• Weekly programming.
• Up to 30% energy savings depending on usage.

What is the difference between a cast iron radiator and a ceramic radiator?

Cast iron has greater thermal inertia and retains heat for a long time. Ceramic heats up faster while offering excellent comfort for daily use.

• Cast iron: ideal for large volumes.
• Ceramic: more responsive at startup.
• Both provide even and pleasant heat.

What radiator power should be planned per m²?

For a properly insulated home, plan about 100 W per m² (or 40 W per m³). A 15 m² room will generally require a 1500 W radiator.

• Plan for more power if the insulation is old.
• Adjust power according to the room’s exposure.
• Consider the ceiling height.

Why choose a connected electric radiator?

A connected radiator allows you to control the temperature remotely, schedule heating periods, and monitor electricity consumption. This smart management can save up to 30% energy while improving comfort.

• Control from smartphone.
• Personalized programming.
• Consumption monitoring in kWh - depending on models.
• Room-by-room adapted temperature.

 

To also equip your bathroom, Bestherm electric towel warmers offer the same level of quality, thermal performance, and comfort as the entire range of radiators. If you want to enjoy even faster heating, a blowing electric towel warmer is an ideal solution to heat the room while keeping your towels at the right temperature.

 

* https://agirpourlatransition.ademe.fr/particuliers/economiser/energie/20-solutions-reduire-consommation-electricite

** https://single-market-economy.ec.europa.eu/single-market/goods/ce-marking_en?prefLang=fr

*** https://www.lcie.fr/nos-services/global-market-access-support/marque-nf-2/