| An air source heat pump is basically a heat pump | | | | Lastly, the radiator acts as a medium that allow |
| that makes use of outside air to produce heat or | | | | the heat to be transferred from the outside air |
| even to sink heat. It can be easily found in the | | | | into hot water tank or the heating system. |
| compressor, refrigerant and condenser system | | | | The operation of air source heat pump is |
| that operates to both absorbing and releasing | | | | accomplished by shifting a refrigerant through the |
| heat. Generally, outside air that exists higher than | | | | heat pump’s coil and components. The |
| absolute zero temperature is called a heat | | | | compressor in this heat pump will change the |
| container. This pump transfers a portion of the | | | | states of refrigerant from cold liquid into hot gas |
| heat to provide household needs like hot water | | | | and vice versa. When liquid refrigerant is at low |
| and room heating. | | | | temperature goes through the evaporator coil, |
| There are three main components in an air-source | | | | the temperature in the outside is very high hence |
| heat pump, which are heat exchanger, | | | | making the liquid changes state into hot gas. |
| compressor and also radiators. The heat | | | | However, this process requires a certain amount |
| exchanger is usually used to extract heat from | | | | of energy or a more specific term, ‘latent |
| the air and supply them indoor. As for the | | | | heat’. On the other hand, if the vapor of the |
| compressor, it has similar function as refrigerator | | | | hot gas enters the condenser heat exchanger |
| but the process is reversed. In a refrigerator, the | | | | coils, it will begin to transfer heat to the air that is |
| compressor is used to decrease the temperature | | | | drawn across the coil. As this stage, condensation |
| inside the refrigerator but for this pump, it | | | | happens and hot gas changes its form back to |
| increases the temperature to produce heat. | | | | cold liquid. |