Key Features to Look for in an Air Heat Pump


Air heat pumps are becoming an increasingly popular choice for heating and cooling homes. They are highly efficient, cost-effective and environmentally-friendly, making them a great investment for homeowners who want to reduce their carbon footprint while enjoying a comfortable living space. However, many people don’t fully understand how air heat pumps work or how to use them properly. In this article, we will explore the basics of Air heat pump (Luftvärmepump), including how they work, how to maintain them, and what benefits they offer.

What is an air heat pump?

An air heat pump is a heating and cooling system that uses electricity to transfer heat from one area to another. They work by extracting heat from the air outside and transferring it inside your home, or extracting heat from inside your home and transferring it outside. They can also be used to heat water. Air heat pumps are available in two main types: air-to-air heat pumps and air-to-water heat pumps.

How do air heat pumps work?

Air-to-air heat pumps work by using a refrigerant to absorb heat from the air outside your home, then transferring this heat to the air inside your home. Essentially, they work on the same principle as your refrigerator, but in reverse. In heating mode, the refrigerant extracts heat from the outdoor air, which is then compressed to increase its temperature. The hot refrigerant gas is then passed through a heat exchanger, which transfers the heat to the air inside your home. In cooling mode, the process is reversed – the refrigerant absorbs heat from the indoor air and releases it outside.

Air-to-water heat pumps work similarly, but instead of heating or cooling the air, they heat water for use in radiators, underfloor heating systems, and showers. They work by using the same refrigerant cycle to absorb heat from the outside air or ground, which is then transferred to the water in your heating system.

What are the benefits of air heat pumps?

Air heat pumps have several benefits over traditional heating and cooling systems. Firstly, they are much more energy-efficient, as they use electricity to move heat rather than generating it themselves. This means that they can provide the same amount of heat for much less energy, resulting in lower energy bills. Secondly, they are much more environmentally-friendly, as they consume less energy and cause fewer greenhouse gas emissions than traditional heating and cooling systems. Thirdly, they are very quiet and unobtrusive, with no noisy fans or ducts to worry about.

How do you maintain an air heat pump?

Air heat pumps are generally low-maintenance but do require some occasional upkeep to maintain their efficiency and longevity. The most important maintenance task is to regularly clean or replace the air filters. Over time, the filters can become clogged with dust and debris, reducing the airflow and causing the system to work harder than it needs to. Other maintenance tasks may include checking and adjusting the refrigerant levels, cleaning the outdoor unit, and inspecting the ducts for leaks.


Air heat pumps are an excellent solution for those looking for an energy-efficient, cost-effective, and environmentally-friendly heating and cooling system. Understanding how they work and how to maintain them is essential to ensure they operate efficiently for years to come. With their many benefits, air heat pumps are quickly becoming the heating and cooling system of choice for many homeowners. Whether you’re in the market for a new heating system or are simply curious about this innovative technology, air heat pumps are certainly worth considering.