Winter garden: which heating is suitable?

Winter garden: which heating is suitable?

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Deciding which heating to use in the conservatory is difficult. All 4 common systems have their advantages and disadvantages.

Anyone who is in the middle of the planning phase for their new home will also have to face the question of whether a winter garden makes sense or not. To give a general yes or no answer here would be foolish. On the one hand, it depends on personal wishes and, of course, on the wallet.

Once the decision has been made in favor of the winter garden, the questions go on. Which glazing must it be, how do I want to use the idyllic gem, which plants should be accommodated and does my conservatory need heating? So you shouldn't start planning without expert advice, but I already have some tips for you on the heating issue.


  • 1 Which winter garden do you prefer?
    • 1.1 ❏ Cold winter garden
    • 1.2 ❏ Small winter garden
    • 1.3 ❏ Living winter garden
  • 2 Regulations for the heating system in the winter garden
  • 3 A closer look at the 4 most common heating systems
    • 3.1 ➩ heating glasses
    • 3.2 ➩ Heat pump heating
    • 3.3 ➩ Heating strip wall heating
    • 3.4 ➩ heating mats

Which winter garden do you prefer?

In the meantime, you can choose from numerous heating options for conservatories. Which one ultimately decides depends primarily on the use. Within the framework of the specified energy saving regulation, there are regulations that stipulate the energy quality of the winter garden - both the construction and the use play an important role here. A distinction is therefore made between the following types of winter garden:

❏ Cold winter garden

A cold winter garden is a winter garden that is mainly used to protect plants from frost, but does not exceed an internal temperature of 12 ° C. The same applies to conservatories that are used as living space for less than four months a year.

❏ Small winter garden

A small winter garden has a usable area of ​​up to 15 m² and does not need any heating either - there are no regulations for its energetic quality.

❏ Living winter garden

The residential winter garden is a winter garden with a usable area of ​​more than 50 m². It is used all year round and is usually integrated into the building envelope. For such a winter garden, all the rules of the Energy Saving Ordinance apply - these must also be met for the rest of the house.
Detailed information on the EnEV can be found at the Bundesverband Wintergarten e.V.

Regulations for the heating system in the winter garden

All requirements for a winter garden heating system are regulated within the EnEV. Most of the time, the owners decide to simply heat the conservatory with the house's existing heating system. In this case, however, care must be taken that the conservatory requires completely different heating values. It is not made of masonry, but of a construction that is primarily made of glass. For this reason, peak demand values ​​then arise, which only enable the correct temperatures if the heating is designed correctly. These values ​​usually only apply to a fraction of the total usage time in a year, but the heating must still be able to absorb them. It is best to speak to your heating fitter about what is feasible and what costs you will have to pay. Also keep in mind that another room is included in your annual heating costs. A not insignificant aspect, with the constantly rising prices. That's why I switched to Yello Gas 2 years ago and have been satisfied to this day. In addition to the integration into the existing heating system, you also have various other systems to choose from.

The 4 most common heating systems under the microscope

➩ heating glasses

If you use modern energy-saving glasses in your conservatory, you will effectively keep the sun's heat in the room - but this is not enough for really cold days, as a comfortable temperature of around 20 ° C cannot be easily achieved. So that the winter garden can be used all year round, not only good insulation but also heated glass panes are necessary. The heating effect comes directly from the insulating glass, which has a heat-insulating function. You then no longer need an additional radiator. The glass itself is always made of safety glass and is therefore unbreakable. In addition, heating glasses can be combined quite well with extras such as additional sun protection and a self-cleaning function. Heating glasses with blinds that are located in the space between the panes are very practical: they are dust and dirt-proof and absolutely maintenance-free.

➩ Heat pump heating

The heat pump heater is a heating variant based on the principle of the air heat pump (see Diamant conservatory heater). This works as follows: An outdoor and an indoor unit exchange cold and heat. Energy is carried from a low level to a higher one. Depending on the heating requirement, these heat pumps can now cool or heat, and they also act as air purifiers or dehumidifiers. Because heat pumps are always equipped with a blower, they can be used practically anywhere in the conservatory. Your great advantage is the quick response and the uncomplicated electronic operation.

➩ Heating strip wall heating

The heating strip wall heating is also very advantageous. This is a radiant heat heater, which ensures a constant distribution of the heat in the winter garden. To do this, attach the heating bar directly to the wall or glass surfaces. In this way, the cold air can be optimally warded off from the outside. As a rule, heating strips are made of a lamellar tube made of copper, which is also coated with a cladding made of metal or wood. This outer casing is available in a wide variety of designs and thus offers the possibility of integrating the heating into the winter garden as an inconspicuous decorative element. Because this type of heating emits quite high radiation values, it can react immediately, even if the weather changes quickly, without a large lead time. This type of heating can also be combined with underfloor heating.

➩ heating mats

Anyone who thinks about retrofitting a heater in the winter garden is best served with heating mats. The great advantage of this type of heating is that it can be installed anywhere. This creates flexibility, especially when all other heating systems are out of the question for you. Complex chiseling work, such as is necessary for pipe laying, is not necessary when using heating mats. The only drawback with this variant are the energy costs, because heating mats are operated exclusively with electricity.

Recommended reading: How to save energy in the winter garden