How exhaust gas heat exchangers work

All heating systems generate waste heat that is lost in the form of, for example, exhaust gases. Of course, the exhaust gases cannot be used directly for heating. If you still want to be able to use the exhaust gases, you can use an exhaust gas heat exchanger to heat the medium that will give heat. This means that the heat is no longer lost, but is used to generate energy without additional consumption or costs.

In practice, therefore, an exhaust plate heat exchanger is installed between the boiler and the chimney or the like, so you do not have to dispose of the entire system or replace the boiler, which would cost a lot. This saves both time and money. The exhaust gases are therefore reduced not only because the energy used is practically reused, but also because the installation of such a technology is relatively easy and maintenance takes almost no time at all.

Another great advantage of the exhaust heat exchanger is that it usually uses water for heat recovery. This means that some of the pollutants can already be filtered away from the flue gases, thus reducing the strain on the filter systems.

What counts is the right design
Regardless of the way in which the exhaust heat exchanger is to be used, exodraft’s special solutions, tailored to individual needs, always provide the best efficiency with minimal maintenance requirements.

Due to the wide selection of materials and designs, a variety of heat exchangers are available. For example, a tube heat exchanger with comb or ordinary pipes can be mentioned.

Air heaters are classic – the most commonly used design. They are used to heat air or other gases for later use, for example for indoor air.

Air coolers, on the other hand, extract the heat from a material flow and transfer it to a coolant. For example, indoor air conditioning systems can also be installed without any major energy consumption. Processes that require low temperatures also benefit from this. It is often necessary to control the temperature at extremely high excess heat to maintain the desired temperature.

Heat exchangers help absorb or distribute heat according to your specific requirements. Flue gas heat exchangers are also suitable for other material flows. In addition to air, these can also be (unfit) water, oils and various gases. The process uses only waste heat and pollutes and does not mix the substances themselves.

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