The challenge: heat in a small space

A small bathroom has special requirements. Where only a few square meters are available, every centimeter of wall space is precious. At the same time, the bathroom radiator should not only heat, but also dry towels, look good and match the furnishing style. This combination can be achieved if you keep the right dimensions, connection types and design aspects in mind when purchasing.

Width and height: the key dimensions in a small bathroom

The general rule for small bathrooms is: it’s better to be narrow and high than wide and low. Narrow models from 40 to 50 centimetres wide can also be placed between the washbasin and the wall, behind the door or in niches without dominating the room. At the same time, their height provides enough heating surface to reliably heat the room to a comfortable temperature.

For the height, you should realistically measure the available wall space between the floor clearance and the ceiling or wall unit. Typical models in the design segment start at a height of around 1100 millimetres and go up to 1900 millimetres. A tall, narrow radiator also looks like it extends the room, which is a welcome side effect in narrow bathrooms.

Center connection or side connection: Which fits better?

The central connection has clear advantages in small bathrooms. The connections are located centrally below the radiator and do not protrude to the side. This enables symmetrical, tidy pipe routing and is particularly practical if the radiator is to be installed directly above existing floor connections. Many Caldo models, including the Evelino, are equipped with a central connection as standard or can be combined with one.

In the Colore Nero, the central connection is included as standard in all three design models (Asperto, Trentino, Evelino). This simplifies planning and installation considerably, especially for renovations where the connection position does not need to be changed.

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Open or closed form: Function meets design

Bathroom radiators are available in completely closed tubular form and in asymmetrically open versions. The open side makes it easy to hang and dry towels. Models such as the Trentino or the Asperto are open on one side and can be installed with the opening facing either left or right. This is particularly helpful in small bathrooms, as the mounting direction can be adapted to the room conditions.

Fully enclosed models such as the Evelino have a quieter appearance and fit better into minimalist bathrooms. Although they offer less hanging space, they heat more evenly and are easier to clean.

Targeted use of design effect in small spaces

In a small bathroom, every design element stands out more than in large rooms. This also applies to the radiator. A model in white has a restrained effect and makes the room appear larger. Black surfaces such as the Colore Nero in RAL 9005 black matt, on the other hand, create a clear accent that works particularly well in modern and industrial-inspired bathrooms. If you are unsure about the color choice, classic white and a well-chosen model are always the right choice.

All technical data on widths, heights and heating capacities can be found in the data sheets in the download area.

Conclusion: Bathroom radiators for the small bathroom

Narrow, tall models with a central connection are recommended for small bathrooms, as they fit flexibly into the available space. The choice between an open and closed design depends on how important the towel function is, and the design should match the overall bathroom concept. Caldo offers a suitable model for each of these requirements.

If you are not sure which radiator suits your bathroom, we will be happy to help you. Contact us now.

If the heating is not yet running, but the bathroom should already be warm

In the transitional period between summer and winter, the central heating is usually not running. Temperatures drop in the evening, the bathroom cools down and a fresh towel after a shower is anything but pleasant. It is precisely in this situation that an electric towel warmer shows its strength: it heats independently of the heating system, reacts quickly and can be controlled with pinpoint accuracy.

What an electric towel warmer can and cannot do

An electric towel warmer is not a complete replacement for central heating in winter. It is designed as a convenient addition. It warms towels, keeps the room at a pleasant temperature and dries damp textiles after showering. It is often the most economical and simplest solution for guest bathrooms, retrofitted bathrooms or bathrooms that are rarely used.

The electric models from Caldo work with a pre-assembled heating cartridge and are filled with thermal fluid ex works. They do not require a connection to the central heating system, but are plugged directly into the socket. Depending on the model and size, the heat output is between 500 and 1000 watts.

Alexandro and Trentino E: Flexible electric solutions from Caldo

The Alexandro electric towel warmer is versatile, whether in the bathroom, kitchen or utility room. Thanks to its clear design, it blends into different room concepts and can also be retrofitted with little effort thanks to its simple wall mounting.

If you need a slightly larger heating surface, the Trentino E is a model with an asymmetrically open side that is particularly convenient for holding towels while maintaining the room temperature. All Caldo electric models comply with the Ecodesign Directive ErP and Regulation (EU) 2015/1188.

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Control and energy consumption in everyday life

The integrated heating cartridges have six functions: Comfort mode with adjustable desired temperature, weekly program, booster mode for two hours of maximum output, window detection, night setback and frost protection. These functions help to limit power consumption to the level actually required.

If you only use the towel warmer in the mornings and evenings, a 500 watt model is usually very economical. In continuous operation at low outside temperatures, it is advisable to control the radiator via the weekly program so that it only heats when it is really needed.

Particularly valuable as a supplement to underfloor heating

Bathrooms with underfloor heating often lack a classic radiator. The underfloor heating warms the floor and the air, but not the towels. An electric towel warmer closes this gap without any structural interventions: no new pipework, no intervention in the heating system, just a wall hook and a socket.

Electric operation offers a clear advantage, especially for low-temperature heating systems that cannot be regulated up at short notice: it reacts immediately to demand, regardless of the central heating system temperature.

Conclusion: Electric towel warmer for transitional periods and guest bathrooms

An electric towel warmer from Caldo is not an emergency solution, but a well thought-out addition for bathrooms with special requirements. It is particularly suitable for the transitional period, for rarely used bathrooms and as a supplement to underfloor heating. Simple installation, clever control and attractive design make it a practical choice.

We will be happy to advise you on choosing the right model for your bathroom. Contact us now.

Why replacement is often easier than expected

Many homeowners shy away from replacing an old bathroom radiator because they fear time-consuming installation work, open tiles and high tradesmen’s costs. In practice, however, a clean replacement is possible in many cases without major conversion work if the new radiator is matched to the existing connection situation and the inventory has been carried out carefully.

The inventory as a basis for the exchange

Before a new radiator is ordered, two measurements must be taken precisely: the hub distance (horizontal distance between the flow and return connections) and the distance from the bottom edge of the radiator to the middle of the return. These two specifications determine whether the new radiator will fit the existing connections without having to lay pipes.

You should also check whether the connection is at the side or in the middle, whether the flow and return are at the top or bottom and the condition of the shut-off valves. Old or calcified valves should be replaced immediately, as they can lead to more expensive repairs in the event of a later defect.

Renovation radiators: Tailor-made for existing buildings

The Evelino renovation radiator from Caldo has been specially developed for this application. It is manufactured individually according to the specified dimensions and has the same connection dimensions as standard panel radiators and old steel and cast iron radiators. The existing pipes and drill holes can still be used and tiles do not need to be opened.

Only the hub distance and bottom edge distance to the middle of the return are required for the order. The radiator is then manufactured and supplied to fit. Technical documents and tender texts are available in the download area.

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Visual enhancement as a welcome side effect

Replacing a radiator is always an opportunity to upgrade the look of the bathroom. A new designer bathroom radiator with a modern surface, clear lines and a contemporary profile noticeably changes the room’s appearance, even if everything else remains the same. If you opt for one of Caldo’s designer bathroom radiators, you not only get functional heating performance, but also a product that can be deliberately used as a design element in the bathroom.

A change from old white to a modern model in matt black is particularly effective. The Colore Nero line with Asperto, Trentino and Evelino in RAL 9005 black matt is ideal for bathrooms that need a modern look with minimal effort.

Economic benefits of a targeted exchange

An old radiator from the 1970s or 1980s often works with higher flow temperatures than would be necessary today. A new, optimally dimensioned radiator can be operated at lower system temperatures with the same or improved heating output. This pays off in the energy balance in the long term, especially if the heating system is to be converted to a more efficient mode of operation anyway.

Conclusion: Replacing bathroom radiators is worthwhile

Replacing a bathroom radiator without major alterations is feasible with the right preparation and the right model. Careful measurements, choosing a compatible renovation radiator and checking the valves at the same time are crucial. The result is a modern bathroom with better heating performance and a new look.

If you have any questions about replacing or selecting the right radiator, please contact us. Contact us now.

Two systems, one decision

Anyone planning or renovating a bathroom will sooner or later be faced with the question: electric bathroom radiators or hot water radiators? Both systems are justified, and neither is fundamentally better than the other. Which is best depends on the installation situation, the existing heating system, the frequency of use of the bathroom and the desired level of comfort.

The hot water radiator: the proven standard solution

A bathroom radiator that is connected to the central heating system works together with the rest of the house in heating mode. It heats the bathroom when the heating is running and cools it down when it is switched off. This is efficient in winter, when the bathroom needs to be brought up to temperature regularly anyway. With well-insulated buildings and modern heating systems, this solution is usually the most economical.

Caldo offers a wide range of hot water bathroom radiators, from classic models such as the Evelino to designer models such as the Trentino and Asperto. All models are available in different sizes, finishes and connection options.

The electric bathroom radiator: flexible and independent

Electric bathroom radiators do not require a connection to the central heating system. They are connected to a socket and heat independently of the rest of the heating system. This makes them the first choice in bathrooms where there is no heating connection, in retrofitted bathrooms, in guest bathrooms or in rooms that only rarely need to be heated.

The Alexandro EB and Trentino EB from Caldo are fully electrically operated, pre-filled with thermal fluid and equipped with a digital heating cartridge. They comply with the Ecodesign Directive ErP and Regulation (EU) 2015/1188 and have six operating modes: comfort, chrono program, booster, window detection, frost protection and night setback.

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Combination as the best solution: hot water and electricity together

In many bathrooms, the best solution is to combine both systems. A radiator powered by hot water provides the basic heating, while an electric auxiliary radiator supplies heat quickly when required without having to start up the entire heating system. This combination is particularly useful for low-temperature heating systems and heat pumps, as the central heating system cannot be brought up to high temperatures at short notice.

The Evelino EB is specifically designed for this use as a supplement to low-temperature heating systems. It has the same external dimensions as the hot water-operated Evelino and can use existing fixing points, which simplifies installation.

Frequency of use as a decision criterion

For bathrooms that are used daily and by several people, the hot water connection is more worthwhile in the long term. For guest bathrooms that are only used occasionally, electric operation is more economical because no heating energy needs to be permanently provided for rooms that are rarely used. Operation can be precisely controlled with the weekly program of the electric models.

Conclusion: Electric bathroom radiator or hot water – which solution is better?

The answer depends on your specific situation. Hot water operation is the economical standard solution for bathrooms used on a daily basis with an existing heating connection. Electric operation offers maximum installation flexibility and is particularly suitable for guest bathrooms, rooms without a heating connection and as a supplement to underfloor heating or low-temperature systems. A combination of both is the smartest choice in many existing situations.

We will be happy to help you decide which system is best suited to your situation. Contact us now.