Heat Pump:
A heat pump is a device
which operating in a cyclic process to maintains the temperature of a hot body
(heated space) at a temperature higher than the temperature of surrounding.
📌 It is an electrical device that extracts heat from one place and transfers it to another
by using mechanical energy. Examples: air conditioner; refrigerator.
📌 A refrigerator is a special case of a heat pump.
📌 It is an essential parts of a heating and cooling system.
📌 Most heat pumps are driven by electrical power, natural gas, liquefied petroleum gas (LPG) can power certain systems that drive an internal combustion engine in place of a conventional electric motor.

How Does a Heat Pump Works:
ii) Process stage 02: After
the refrigerant leaves the indoor evaporator coil it has absorbed heat and
become gas. The refrigerant enters the compressor which mechanically
pressurizes the gas. That process will increase its temperature so
the refrigerant will leave the compressor as hot gas.

Main Components of a Heat Pump:
- Evaporator: It contains work fluid at lower temperature than environment. Heat is extracted from ground, air or water. So the work fluid evaporators.
- Compressor: It brings gas to higher pressure, temperature rises.
- Condenser: Gas temperature is higher than fluid temperature of heating system. Excess heat is transferred to fluid. The gas cools and condenses.
- Expansion Valve: It causes pressure reduction, the temperature drops and the cycle begins again.
Coefficient of Performance (COP):

The performance of a heat pump is judged by how much heat transfer Q h occurs into the warm space compared with how
much work input W is required.

You have provided some great information about heat pump. You have mentioned some great points that how the heat pump works. Valliere Air Conditioning & Heating, LLC also provides Heat Pump Repair Tomball.
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