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Air Source Heat Pump Water Heater

Air Source Heat Pump Water Heating System works with a proven high performance and power saving technology and regarded as 4th generation water heater. It is unique because, energy used for heating water is absorbed from surrounding air.

Water heating has been traditionally done by energy intensive & costly processes of electric geysers, burning diesel or coal or highly inefficient process of burning firewood. We present a new more efficient process of using ambient heat (i.e. heat in the air). This heat pump works on the traditional Carnot cycle. The application of this heater is across domestic and commercial segments ranging from homes & villas to hotels & swimming pools.

  1. Running cost 25% of Electric Geyser & 40 % of traditional Boilers
  2. ROI within 1 2 years
  3. Hot water 24/7 - 24 hours hot water and a very efficient system at maintaining water temperature through out the day
  4. Unlike Solar; No matter day or night, indoor or outdoor, sunny or cloudy, rainy or windy, can work 24 hours each day to provide hot water
  5. Very few moving parts so low or no maintenance
  6. Eco friendly, Green technology
  7. Can be retrofitted to Solar system or any existing mode of heating system without disturbing its running condition


Air Source Water Heater (ASWH) is a heat pump that uses the same principle as refrigerators to generate hot water. Unlike conventional electricity and fossil-fuel-fired water heaters, ASWH takes heat from the surrounding air and transfers it to the water in the tank.

Heat pumps mainly consist of a compressor, fan, evaporator, and the heat exchanger. Electricity is required only for the compressor and fan. The compressor is required to compress the refrigerant, and the fan to continuously blow air across the evaporator coils when the unit is operating.

  1. Liquid refrigerant (R407c - non CFC) passes through an evaporator where it collects heat from the surrounding air and vaporizes

  2. The gas refrigerant is compressed in an electric compressor, compressing the gas causes its temperature to increase so that it becomes hotter than the water in the storage tank

  3. The hot gas refrigerant flows into a condenser (Heat exchanger), where it passes its heat to the water. Temperature of refrigerant gas will be reduced sufficiently to be converted back to the liquid state

  4. The refrigerant flows into an expansion valve where its pressure and temperature drops further, and returns fully to the liquid state and the cycle continues...

  • For more information:

    Please contact Mr. Santosh Mathapati (Mob: +91 77602 08473) / Email: santosh@aarg.co.in


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