Buyers Guide to the Glass Panel Heater [Reviews 2019]

A glass heater is one of the most beautiful infrared heaters because it blends completely with the design of the apartment. Instead of an aluminium front, the glass heating is embellished with safety glass, whereby single-pane safety glass is used for the entire front.

This can be combined with or without a frame. Glass heaters are particularly discreet, elegant and can be adapted to individual needs. There are completely transparent glass heaters as well as frosted ones based on the ceramic screen printing process.

Glass heaters are very slim and only a few millimetres thick, and are also much lighter than other infrared heating elements. Thanks to safety glass, there is no risk of breakage and the glass is particularly heat-resistant and easy to clean. A wall mounting is possible, so that an own work of art develops, which fuses quasi with the wall.


In principle, glass heaters can be printed individually, but are usually used as a simple decorative element in plain colours. Ceiling mounting is possible, but forbidden for safety reasons with some variants.

How does a glass heater work?

A glass heater is an electric heater with a break-proof laminated glass jacket. The heating element is enclosed in the glass and consists of an electrically conductive plastic film. The heating conductors in the glass body are quickly heated by the electrical current resistance.

The heat is then transferred to the materials in the vicinity of the device. Infrared rays hit directly on the skin and penetrate quite deeply, which produces a pleasant and lasting warmth. The effect is comparable to the warming sunrays on a warm summer’s day.

Glass heaters can be designed differently, the most common colours are black and white. A mirrored version gives the room more size and looks particularly elegant. All colours are extremely heat-resistant and immune to scratches, so that the heating can be cleaned with standard glass cleaner. Glass heaters can also be provided with a frame, whereby colors and patterns are individually selectable.

If the glass heater is used in the bathroom, it can be equipped with a practical towel rail or even with feet. In the evening and at night, glass heaters are particularly attractive if they are fitted with LED lighting, which can usually be controlled by remote control.

For whom is a glass heater suitable?

A glass heater is suitable for everyone who does not want to do without direct and internal heat. Glass heaters are particularly effective in living rooms because they are particularly visually appealing. But they can also do their work reliably in children’s rooms and bathrooms. Although the surface can heat up to 90°C, there is no risk of burns. This is due to the extremely dry heat, so that fire bubbles are avoided. Nevertheless, people who touch the surface will retract their hand reflexively. It is important to ensure that animals and children have no direct or easy access to the glass heater.

What are the possible uses of a glass heater? Glass heater ceiling mounting
A glass heater is usually not used for mobile applications, but is firmly anchored to the wall or ceiling. Alternatively, it can be equipped with feet and placed in a corner. Glass heaters are very decorative and can be individually adapted with different frames.

Glass heaters are only a few centimetres thick and therefore fit into any room, even when space is at a premium. Ceiling installation saves even more space, but must be carried out professionally because the high weight of the heater must be held securely on the ceiling in the long term.

How much does a glass heater cost?

This question cannot be answered in general, because it resembles the question “what does a car cost? Manufacturer, quality, dimensions, design and wattage are essential factors that determine the price. On average, glass heaters provide between 100 and 1000 watts, the costs are between 250 and 1000 euros, but more expensive designs are possible. If the entire house is equipped with glass heaters, about eight devices à 600 euro must be considered, which would mean 4800 euro acquisition costs. This is small in comparison to a complete boiler heating system including piping system.

Thanks to Plug & Play, the heater is simply plugged into the socket and switched on. There are no installation or maintenance costs, and all piping systems are eliminated.

How many watts per square metre are required?

Living and dining areas should be heated with 50-70 watts per square meter, depending on the desired room temperature. Bathrooms need stronger glass heaters that provide about 100 watts per square meter.

Which glass heater is suitable for which room size?

A room temperature of 20-22 degrees for dry rooms and 22-24 degrees for wet rooms is recommended. To ensure this, the following guidelines must be observed: 300 W for 4-7 m², 400 W for 6-12 m², 500 W for 8-14 m², 600 Watt for 10-16 m², 700 W for 12-18 m², 800 W for 13-20 m² and 900 W for 15-22 m². Wet rooms should be additionally heated with 300 W. Example: For a 14 m² – children’s room a 600 Watt glass heating is sufficient, a 14 m² – bathroom must be heated however with 600 Watt + 300 Watt = 900 Watt.

How much electricity does a glass heater consume?

Glass heaters consume between 100 and 1000 watts, depending on the type, although there are also more powerful products. It is important that the service life and operating mode are taken into account. A full heating system will operate much longer than an auxiliary heating system.

With the formula watt height multiplied by price per kilowatt hour, the costs can easily be determined.
Glass heaters are economical in operation because they do not heat the air but the materials. These solid materials store heat much longer than gases. Once the operating temperature has been reached, the glass heater only has to switch on occasionally to reheat.

With the help of an electricity meter, the electricity requirement can be determined quickly. The small device can be ordered cheaply on the Internet or at a DIY store and is visually reminiscent of a timer. It is simply switched between socket and appliance and shows the consumption very precisely.

After a day already an average value can be fixed, for more exact results over a week or a month can be measured and then extrapolated on the whole year. Good house insulation helps to save energy. If the glass heater is only used as an auxiliary heater, it will only operate for 2-3 hours per day on average.

Can you burn yourself on a glass heater?

The surface of the glass heater becomes very hot (80-100°C), but the heat is so dry that no fire bubbles develop. Nevertheless, a touch is unpleasant and you quickly pull your hand back. If there are children in the household, the glass heater must be placed so that it is not accessible to children. As an option, glass heaters can be coated with a specific mineral material, which makes their surface less hot.

How to use glass heating correctly

The glass heater must be directed at objects within the 3-4 metre catchment area. This includes above all objects that can store heat well. Glass heating systems are less sensible than windows, because windows cannot retain heat radiation and therefore a lot of energy is lost. Infrared heaters on the ceiling are pleasant because they heat the entire room and floor.

However, they have to be installed more elaborately because they must not fall from the ceiling under any circumstances. Depending on its size, a glass heater weighs between 4 and 25 kilograms and can be installed in just a few simple steps.

All you have to do is turn a few screws into the wall, which even beginners can do effortlessly. It is even easier if the glass heater has been fitted with feet.

Performance features

The surface of the glass heating consists of hardened safety glass. The infrared heating requires a mains voltage of 220 volts at 50 Hz and an operating temperature of -40°C to 120°C. The heating system is equipped with a safety glass. For glass heating systems, the protection class (IP value) against dust and water is of secondary importance, unless they are used in the bathroom.

Arguments for glass heating

Optically very appealing heater
Slim design
Fast and sustainable heat effect
Unbreakable glass
Type of heating suitable for allergy sufferers
Installation very easy
Disadvantages of glass heating

Ceiling mounting not suitable for all glass heating systems

security features

Glass heating systems meet the highest demands in terms of safety and operability. A high protection class is always advantageous, whereby glass heaters should not be labelled or wet cleaned anyway. The IP number indicates how resistant the device is to dirt (first digit) and water (second digit). In wet rooms, special attention should be paid to a high second digit (4 or higher). The best possible protection class is IP 69, the worst IP 00. A typical IP value for glass heaters is IP 44 or higher.

Which variants are available?

Glass heaters are relatively versatile and can be individually designed. In addition to different colours, various surface structures (corrugated, corrugated, matt) can also be taken into account, and handles can easily be attached to dry towels.

Infrared bathroom radiatorsThe most popular colours are black and white, but in principle other colours can also be used – for example as a dash of colour in the home. Many people want the glass heating to blend optically with the room. Others use glass heating as an eye-catcher for their home.

Glass heaters with a mirrored surface function similarly to ordinary mirror heaters and can be used sensibly in bathrooms. Cleaning is carried out with a soft dry cloth.

Alternatively, wet wipes with standard glass cleaner can also be used, but aggressive agents (e.g. acetone or turpentine) should be avoided. Recently the feet have become more and more popular, because the installation of the device can be done even faster and no holes have to be drilled. In addition, glass heaters with feet can be moved more easily, which makes them more flexible to use.

Eye-catchers are glass heaters with coloured LEDs, which unfold their full effect at night. LEDs and appliances can be switched on and off separately by remote control.

What do I have to pay attention to when buying?

Before buying, room insulation and size must be taken into account and the required wattage determined. The safety of the device is of paramount importance, which is why quality should be a priority. Well-known suppliers are just as suitable as articles with the CE seal, because this guarantees safety. Usually glass heaters have 2-5 years warranty, also this is to be paid attention.

5 good reasons to buy a glass heater

Glass heating is the most beautiful type of heating on the market. Installation is not necessary – just plug it in and switch it on. Cleaning is easy with a dry or damp cloth. A glass heater runs maintenance-free and has several years warranty. It works noiselessly and is therefore also ideal for the bedroom.

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