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Heat Pumps – Energy Efficient devices to provide Thermal Comfort at ease!

The heat energy is generated with the help of a heat pump. This heat energy is taken from an external source of heat and is moved to the heat sinks that act as the terminal point.  Heat pumps are simply formed for the purpose of movement of the thermal energy opposite to the direction of the automatic heat flow. It absorbs heat from a colder space and then passes on to the hotter one. The energy from the heat source to the heat sink is passed on by using a kind of external energy. Heat pumps are designed to provide thermal comfort by using the energy that is availed from an external source. Features of heat pumps

  1. The term ‘heat pump’ applies to a more generic sense and is used for heating, ventilating and air conditioning devices that are applied for cooling and heating of spaces.

  2. A heat pump, when it is used for heating purposes, uses just the opposite of what is done by a refrigerator or an air conditioning unit to make the space cooler. It just generates more heat and pushes it into the desired space thereby making it much more warmer and getting it into the thermal comfort mode that was initially designed by the customer.

  3. Heat pumps take in air from the external grounds and deflect it towards the confined spaces.

  4. Heat pumps are three times more efficient when it comes to the heating purposes as compared to the electric heaters. These are energy efficient devices that provide you greater service at lesser bills.

  5. Resistance heaters come at lesser costs than heat pumps. The installed expenditure of a heat pump is around twenty times greater than resistance heaters.Reversible Heat Pumps These works in a reverse cycle to either provide heating or cooling to the desired spacing. A reversing value is employed to reverse the flow of the refrigerant. This flow is reversed from the compressor and this passes through the evaporation coils and the condenser at any given point of time thus cooling or heating up the confined spaces.

  6. In a heating mode the evaporator is the outdoor coil whilst the indoor coil is treated as a condenser as far as the working of these components are concerned. The refrigerant flows from the outdoor coil passes on thermal energy to the indoor coil that is the condenser after the vapor has been increased or enhanced by compressing the same. The indoor coil then successfully transfers the energy to the indoor air and this is circulated inside the building by the use of an air handler. Similarly, thermal energy can be transferred to water that can again be used for under floor and central heating systems. This energy and the subsequent heated air can also be used for hot water consumption. Eventually, the refrigerant cools and expands and once more the whole cycle repeats.

  7. In a cold weather, the outdoor unit is defrosted by switching on to the cooling mode for some time. This causes the emergency heating elements that are present in the air handler to get activated.

  8. The cycle is the same in a cooling mode. However, there is a role reversal as far as the outdoor and the indoor coils are concerned. The outdoor coil is now the condenser and the indoor coil is the evaporator. This is the mode in which air conditioners operate.{Read More: Points to Incorporate While Buying Water Tank Pumps} Uses of Heat Pumps

  9. HVAC – Heating , Ventilating and air conditioning applications

  10. Plumbing applications

  11. District Heating

  12. Water Heaters

  13. Swimming Pools

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