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Glossary. Heating technology
explained simply.

All about heating. From A to Z.

When it comes to heating, there are a few technical terms that need to be explained. You can find everything you need to know here. In alphabetical order.

  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • I
  • J
  • K
  • L
  • M
  • N
  • O
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • W
  • X
  • Y
  • Z
    • Low-NOx technology

    Burner Tooltip icon technology which reduces Nitrogen oxide Tooltip icon (NOx) Emissions Tooltip icon, one of the causes of acid rain. Continual developments in burner technology have considerably reduced these Emissions Tooltip icon.

    Low-sulphur gas oil

    A high-quality distillate oil. The sulphur content of Low-sulphur gas oil Tooltip icon does not exceed 50 mg/kg. A minimum quality for the fuel is laid down by the (German) standard DIN 51603-EL-1-schwefelarm.

    Lower heating value

    The amount of heat released through the complete combustion of a cubic metre of gas (at standard temperature and pressure) or a kilogram of fuel oil, when the water produced by the combustion is a vapour. It is measured in kWh/m3 or kWh/kg. It is abbreviated to LHV or NCV (nett calorific value).

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