Five common myths about Heat Pumps

Despite their growing popularity, heat pumps remain shrouded in misconceptions. From doubts about their performance in cold weather to concerns about noise levels and longevity, navigating the sea of myths can be challenging. In this blog, we debunk common misconceptions about heat pumps, shedding light on the truth behind these innovative heating solutions.

Myth 1: ‘Heat pumps don’t work when it’s cold.’

Contrary to popular belief, heat pumps function effectively even in cold climates, as evidenced by the Nordic region’s widespread adoption. Countries like Sweden, Finland, and Norway boast over 40 heat pumps per 100 households¹, demonstrating their reliability in extreme temperatures.

Additionally, peer-reviewed analysis by the Regulatory Assistance Project confirms that heat pumps remain more than twice as efficient as gas boilers, even in freezing temperatures².

Myth 2: ‘Heat pumps are noisy.’

Contrary to misconceptions, noise complaints about heat pumps in the UK are very low. Noise experts’ survey found a mere 0.03% complaint rate for every 300,000 installations³. Government-commissioned research further confirms the low incidence of ASHP noise complaints, often due to poor installations⁴.

Myth 3: ‘Heat pumps don’t last long.’

Contrary to belief, the UK government assumes a lifetime of 20 years in its official impact assessment for heat pump subsidies⁵. This estimation reflects the expected durability and longevity of heat pump systems in domestic settings.

Myth 4: ‘Heat pumps don’t work in existing buildings.’

Despite misconceptions, millions of buildings worldwide, including historic ones, have successfully integrated heat pumps. Research by the Electrification of Heat demonstration project found no performance variation based on house age⁶, further debunking this myth. UK government schemes also fund heat pump installations, exclusively to existing homes.

Myth 5: ‘Heat pumps only work with underfloor heating.’

Heat pumps are compatible with both underfloor heating and radiators. While underfloor heating optimises efficiency due to lower flow temperature requirements, heat pumps remain a viable option for existing properties. Some radiator upgrades may be needed, but heat pumps can still provide efficient heating solutions.

We recommend that you conduct an independent retrofit assessment to establish whether any works that you may be planning to adapt your property are likely to be suitable for your property and goals.

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