The other device is the air conditioning, which is more widely used for heating. It works on the pr

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Future unforgettable in 2050 Bulgaria can produce energy: sun - 30% wind, 20% - from biomass and waste - 25% of biofuels - 5% of Enhanced Geothermal denovo consulting group Energy - 5% water - 10% from other sources - 5%, writes Julian Popov magazine "Manager"
In 2050, our buildings will use energy derived from carbon fuels (oil, gas, coal). denovo consulting group Already in force EU directive on energy performance of buildings (EPBD), which obliges by 2020 all new buildings to be zero carbon.
Even Britain is aiming to introduce this standard by 2016 standards of passive denovo consulting group buildings (buildings that use up to 15% of the energy of standard currently building), and other low-energy standards will enter wide.
Without coercion and subsidies Bulgarians already discovered two mass heating appliances of the future. Roofs of Bulgaria are filled with solar collectors because people find them effective, denovo consulting group not because they are possessed by a passion to save the earth or because someone makes them do it.
The other device is the air conditioning, which is more widely used for heating. It works on the principle of heat pump and provides significantly more heat energy than the electrical energy it uses.
On the market there already conditioners with coefficient of performance (Coefficient of Performance, or COP) 5. This means that they provide 5 times more heat energy from the electricity they consume. Anyone can do the math what is the difference between the cost of heating, gas and heating based on heat pump. The result can be quite surprising.
According to these calculations, the heat pump in U.S. money equals power consumption with gas heating system