Pool water heating by combined heat and power plants

Pool water heating by combined heat and power plants: heating

Almost no private pool comes today without pool heating. It not only ensures a pleasant bath temperature in the pool, it also ensures that the chemical treatment of the water remains at a balanced level. This keeps the water quality constant and with it the expenditures for chemicals and Co. Meanwhile, the trade offers a variety of different heating systems for both indoor and outdoor pools. Combined heat and power plants (short CHPs) are among the most popular systems on the market.

Centrally managed or self-controlled?

Pool water heating by combined heat and power plants: heating

CHPs are nothing more than special stoves that can heat the pool water evenly by firepower. There are different types of CHPs. The manufacturers offer mains-controlled, heat-led and current-controlled models. In the case of a grid-controlled CHP, the operator himself has no influence on the power generated, the demand is regulated by a central office depending on the amount of electricity required throughout the network. The situation is different with a current-controlled CHP. This is often found in autonomous power grids. Here you have the opportunity not only to meet your own electricity needs, but to feed the extra energy into the public grid and thus earn some more money. But the most common are heat-controlled CHPs in one- and two-family houses. These can consist of one or more units and regulate the heat demand.

The advantage of the CHPs

All have in common the fact that they work decentralized and the transport routes between CHP and recycling point remain low. This increases the efficiency, because little heat is lost. Another advantage is that the heating system is thus independent of additional energy sources. The cost of electricity and energy remain low after purchase. Many CHPs even produce much more energy than is needed to heat the pool. In this case, the surplus energy can continue to sell and thus make a small profit. Thanks to state subsidies, the purchase costs of these small power plants remain clear. In addition, there are other good qualities to be noted: this modern heating technology saves CO2 and thus makes a major contribution to climate protection. In order to make the implementation for your own pool nice and easy, there will be complete systems in the future so that the matching cogeneration plant can be purchased for the new swimming pool. This gives customers the complete system and also saves costs in a double pack.

Cost savings through self-assembly?

Pool water heating by combined heat and power plants: water

Not only the purchase of combined heat and power plants for the swimming pool is in vogue, but also the question: "Can I install the CHP itself?", Is becoming more and more common. Here it is above all cost reasons that speak in favor of self-assembly. Provided of course, a certain basic technical understanding is available. Many companies and manufacturers now offer their own kits with assembly instructions as an alternative to finished models in order to simplify assembly and, if in doubt, save the costs of a professional. It is important to keep an eye on the subject of safety, because only a properly installed heating system will ultimately achieve the desired effect and will not pose any safety risk during operation. If in doubt, it may be worthwhile to build only parts of the system itself and to consult a trained installer for the last steps.

When the state subsidy is canceled

The location offers both your own cellar and a garage or garden shed. The CHP should always be protected. Depending on the location and desired heating material, it can then be finely configured. Environmentally friendly heating material would be here for example wood pellets, but also frit fat is conceivable. For the self-installation and the configuration is one way or the other that both have disadvantages. Not only the subject of security is difficult, also the whole self-assembly for the handyman is sometimes a great risk, which is why we strongly advise against it. If damage is caused to the system, the manufacturer is not liable for the costs. This only happens if the CHP has been professionally installed.

In addition, fall in the assembly of self-produced CHP, the state eligibility criteria, because the apply exclusively to listed models. The bottom line is that it is not necessarily more economical to lend a hand and supply your own swimming pool with heating energy in the future. As an alternative to the expensive list models, a building system can certainly be worthwhile, but in order to do so, a precise comparison should be carried out in advance in order to determine the actual savings.


Johannes P. Berenz, Managing Director of Hesselbach GmbH.

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