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Gas

Gas is one of the most important fuels in the global heat and energy market. It’s not likely to become less important over the next few decades because gas reserves are relatively large. LPG (liquefied petroleum gas) and biogas can be used to supplement natural gas for gas boilers.

Natural gas is very cost effective compared to other fossil fuels because of the significantly lower capital costs. Plus, no costs are incurred for storage. Natural gas technology is also very efficient meaning you get the most out of the energy, especially with a modern condensing boiler.

Gas burns cleanly with no soot or ash, so it produces lower emissions than a fuel like oil. It’s the most environmentally friendly fossil fuel.

The advantages of using gas:

  • Low investment costs
  • High efficiency
  • Low space requirements – some gas boilers fit into a kitchen cupboard
  • The best CO₂ balance of any fossil fuel
  • Flexible and easy to combine with renewable energy technologies

What you’ll need:

  • A gas connection
  • A flue gas system
  • A wall mounted or floor-standing gas boiler

Safety

Vaillant’s modern gas-fired condensing boilers are subject to strict safety standards. But you should also have your system serviced regularly by an installer to ensure its long-term safety and efficiency. Some of our products automatically remind you when it’s time for an inspection. And they can inform you of any necessary maintenance or possible sources of error, on screen or via your smartphone heating control app.

Natural gas

Natural gas consists primarily of methane, which is contained in giant bubbles between 1000 and 3500 metres below the ground. Pipeline networks often pump the gas several thousand kilometres from the extraction site to customers. It can also be shipped as a liquefied gas in tankers. Conventionally extracted natural gas reserves will last for about 60 years according to current predictions. And a further 70 years of the fuel could be available by extracting untapped gas resources.

Liquid gas

Liquid gas is a by-product of oil production and is also known by the abbreviation LPG (Liquefied Petroleum Gas). LPG consists mainly of butane and propane. It is liquefied under high pressure, significantly reducing its volume and making transportation easier.

LPG’s great advantage over natural gas is that it can also be used in homes that have no connection to the natural gas grid. Special pressure-resistant tanks are necessary for storage, which are placed in your home or garden.

Biogas

Biogas is obtained by processing biomass such as crop residues or organic waste. Increasingly, plants are being grown specifically for the purpose of energy recovery. A particularly high yield of biogas is achieved with maize or sugar beet. Biogas is not a fossil fuel and can be produced indefinitely. Biogas can be fed into the natural gas grid. But special attention must be paid to the purity and quality of the gas.

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How different technologies work

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