Mitsubishi Electric - LES
Living Environment Systems

Heat energy - delivered free house

Even though we do not perceive it, ambient air provides us with unlimited heat energy, everywhere and at no cost, to be used for our purpose. The cutting-edge heat pump technology by Mitsubishi Electric provides particularly sustainable heating.

Development of energy prices of private households since 1991

Choosing which energy supply to use for your property can be a difficult decision: There are numerous possibilities available, ranging from gas or oil fired systems all the way to economical heating solutions like heat pumps. What is certain though is that dwindling fossil resources such as oil or natural gas face increasing demands; this is based on an exponential growth in global population. There is no sign of an end to the price increase of recent years.


  • Up to 50% savings in heating costs compared to conventional heating systems
  • Very short amortisation time of heat pump
  • Low operating and maintenance costs
  • No development costs for costly ground drilling
  • Possible funding from government, federal states and some energy providers
  • No costs for chimney sweeper


  • Suitable for new buildings and renovations
  • For heating and water heating
  • Ideal for underfloor heating and radiators
  • Full heating capacity down to an outside temperature of -15°C
  • Guaranteed operating range down to an outside temperature of -25°C


  • Uncomplicated and space-saving installation
  • No need for fuel storage
  • No need for gas connection
  • No need for oil tank and periodic supply of heating oil
  • No need for a chimney and chimney sweeping
  • No tedious approval processes