In recent years, the technology of air source heat pump has been greatly upgraded, of which inverter heat pump has gradually become the mainstream choice of people. So, why is inverter driven heat pump getting more popular in the HVAC industry?

DC inverter heat pump, for hot water and air conditioning, can automatically adjust the speed of compressor according to the change of ambient temperature, thus ensuring more stable indoor temperature. Even if an inverter reaches the set temperature, it will not stop running but maintain operation with low energy consumption. Therefore, in terms of service life and energy consumption, the DC inverter heat pump system is better than ordinary air to water heat pump, although its cost is higher.

The DC inverter heat pump offers significant advantages in terms of:

· Higher overall annual energy efficiency

· Less likely to have issues with connection to the electrical network

· Spatial requirements

· The lifespan of a heat pump

· Overall comfort

What is the difference between the two heat pumps?

The difference between a fixed output and a DC inverter heat pump lies in how they deliver the energy needed from the heat pump to meet the heating demands of a property.

A fixed output heat pump works by continuously either being turned on or off. When turned on, the fixed output heat pump works at 100% capacity to meet the heating demand of the property. It will continue to do this until the heat demand is met and will then cycle between on and off heating a large buffer in a balancing act to maintain the requested temperature.

A DC inverter heat pump, however, uses a variable speed compressor which modulates its output increasing or decreasing its speed to match exactly the heat demand requirements of the building as the outdoor air temperature changes.

When the demand is low the heat pump will reduces its output, limiting the electricity usage and the exertion placed on the heat pump’s components, limiting the start cycles.

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