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Pros and cons of thermopumps "WaterWater"

    
What are the pros of using a thermopump "WaterWater":
    
    
  • 1) From an environmental point of view, there is no pollution and the thermopump uses a renewable energy source (heat from the ground or the underground water)
  • 2) There is no dependance on the surrounding temperature, as it is when using an air-conditioner. There is always the same quantity of heat or cold regardless of outside temperature being -25°C or +45°C. Underground water sustains 10 to 14 °C temperature all year long.
  • 3) Easy and convenient operation. In every separate room, a set temperature can be maintained (through radiators with thermal heads or convectors with the possibility for setting the temperature). One room can be heated or conditioned with only the power, necessary for that room, which will be deducted from the buffer. In this case, the thermopump will work only a short time and will rest longer.
  • 4) Quick warming or cooling of the rooms with mounted convectors.
  • 5) Thermopumps can be used for multi-family buildings, as every floor can hold a 'Heat-cold meter', and the expenses incurred by the thermopump system for the used electricity will be divided presicely for each floor.
  • 6) There is always the possibility to correct the temperature for heating or cooling of the buffer, thus regulating the COP of the system. The microprocessor thermal controller is programmed with a specific hysteresis for turning the thermopump on and off, thus prolonging the thermopump longevity.
  • 7) Whether the system is designed for heating or conditioning, there is always domestic hot water (around 55-85 °C), if there is a mounted boiler with serpentine.
  • 8) The thermopump comes with an essential mounted buffer with minimal volume of 10 litres by kW. The thermopump heats or cools this buffer, thus working in better regimes. The heating-cooling system draws heat or cold from this buffer. If a part of the heating devices are switched off (radiators through valves/valves with thermal heads/convectors which have reached the set temperature), the thermopump will work a very short time to complete the heat loss in the pipes and the buffer will be on stand by longer.
  • 9) The thermopump system has an integrated "Autorestart" and continues work automatically after an accidental blackouts or power surges.
  • 10)  With an input power of 1 kW energy, the output heating or cooling power will be 4-5 or even 6 kW. This ratio depends on the temperature maintained in the buffer of the heating-cooling system.
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    What are the cons of thermopump WaterWater:
        
  • 1) The whole heating-cooling system is powered by one aggregate and in case of failure, damage or breakdown, the premises will be left without conditioning.
  • 2) If a heating system already exists, the heating area of the radiators must be increased in order to receive higher "Energy Efficiency Ratio".
  • 3) For the cooling side of the system, the radiators must be replaced with convectors.
  • 4) The buffer must be mounted next to the thermopump, which requires additional space.
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