23 October 2024

2 minute read

What are the disadvantages of air source heat pumps?

Aira heat pump outdoor unit face on against a wall with some potted plants either side
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Key takeaways:

  • Heat pumps provide easy and efficient heating
  • Many concerns about heat pumps are overblown
  • Upgrading to a heat pumps will save you a lot in the long run

Lower heating efficiency in extreme cold

As the temperature drops below zero, air source heat pumps work harder to extract heat from the air. However, the Aira Heat Pump can still handle temperatures as low as -25°C, and even when the pump’s internal electric heating element assists the compressor to create enough heat, it is still more efficient than a traditional gas boiler.

Higher upfront installation costs

Installing an air source heat pump can cost quite a lot. However, government incentives like the Boiler Upgrade Scheme offer grants up to £7,500, reducing the initial expense considerably.

Although the upfront cost is higher, long-term savings and the reduction of carbon emissions make air source heat pumps a smart, eco-friendly investment that will actually reduce your energy bills by 25%. To make this upgrade as accessible as possible, Aira also offers financing options with monthly payment plans through our partner Stax.

Space requirements for installation

Air source heat pumps need space both outdoors and indoors. The outdoor unit must be placed where it can have fully unobstructed airflow, requiring about 1.5 metres in height and 1 metre in width. Indoors, you’ll need space for components like a hot water buffer tank and larger radiators. While the system may take more space, you can trust Aira’s Scandinavian design principles — all components of the system feature beautiful, minimalist design that won’t interfere with your home’s aesthetics.

Upgrading radiators

Air source heat pumps operate at lower temperatures than traditional boilers, which may require upgrading to more efficient models, like larger radiators, to ensure optimal performance. Proper radiator sizing ensures your heat pump performs effectively during colder months. The size and placement of your radiators is determined during a technical survey to make sure you will always be warm enough, no matter the outdoor temperature.

Maintenance concerns

Air source heat pumps are durable, with a lifespan of 20 years or more, but function best with regular maintenance to remain efficient. Cleaning coils and replacing filters are essential tasks that help maintain airflow and performance.

While some repairs may be needed over time, routine maintenance is relatively simple compared to other heating systems, ensuring your pump remains efficient and reliable for years to come. 

Conclusion

At first, upgrading to a heat pump may seem daunting, but it’s easier than it seems. Heat pumps are highly efficient, even in sub-zero temperatures, making them great for the environment and your wallet. Aira makes the upgrade process easy, from your first visit to final installation. Learn more about our hassle-free switch here.

 

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