Gas heating. Efficient solution for commercial use.

Gas heating systems can also provide sustainable and future-proof heating thanks to sophisticated system combinations and the use of regenerative gas. When choosing your future solution, you should make sure that it is suitable for operation with renewable gas and, later on, hydrogen, and that it demonstrates a high level of efficiency. All models from Hoval already meet these criteria today.

Hybrid systems are another option for using gas condensing boilers for ecological heating. These systems consist of a combination of gas condensing technology and renewable energy sources, such as a heat pump, pellet heating system or solar plant, and are known as bivalent heating systems. In between seasons, the combination of a gas condensing boiler and an air/water heat pump can cover up to 80% of the annual heat demand. As such, every heat generator operates in its most efficient range, protecting the environment and saving money.

A standard system controller, such as the Hoval TopTronic E, ensures optimal interaction between all components.

The proportion of regenerative, gaseous fuels in gas networks is set to rise, and the use of hydrogen as an energy source will also become more important in the future.

Biomethane, also known as green gas, has the same characteristics as natural gas. However, it is produced sustainably by fermenting biogenic waste. This could be kitchen waste, damaged timber, sewage sludge or manure. Through a special treatment process, raw biogas is upgraded to biomethane, which can then be fed into existing gas networks straightaway. In order to heat with biomethane, it is not necessary to change the unit.

During combustion, hydrogen releases almost nothing except steam. It is the production process, and specifically how the power was generated for electrolysis, that decides how environmentally friendly the resulting fuel is. If higher proportions of hydrogen are added to the natural gas in the gas networks in future, the burner concepts we rely on in gas condensing boilers today will have to be adapted.

Power-to-gas: since it is not currently possible to fully switch over to hydrogen, public networks remain reliant on methane. The power-to-gas process (P2G) is another way of producing methane regeneratively. First of all, hydrogen is produced from renewable energy. A chemical process synthesises this hydrogen into methane using the carbon dioxide present in the atmosphere. This methane then has the same characteristics as natural gas and is also suitable for gas heating systems.