en.Wedoany.com Reported - UK startup Nusku has launched a new heat pump design that integrates the heat pump and hot water cylinder into a single outdoor unit, aiming to make the switch from gas boilers faster, cheaper, and less disruptive.

Bristol-based Nusku, with support from Union Technical, has launched public fundraising to raise £5 million for its newly introduced heat pump system. The patent-pending design combines the heat pump and hot water cylinder into a single external unit, eliminating the need for an indoor hot water tank, which is said to reduce installation disruption, preserve valuable indoor space, and simplify the retrofit process.

Nusku is currently trialing prototypes in homes across Bristol, with plans for a formal launch in 2027, initially focusing on deployment through Scottish installers and trade networks. CEO and co-founder Russell Murchie said many people are put off by the need to make space for a water tank in their homes, with the installation of new radiators and the lengthy, disruptive installation process being major barriers, along with potential noise from heat pumps and misconceptions about cost and performance.

The first system was tested at the University of Salford's "Energy House," a highly controlled research environment. The prototype system has since been trialed in Bristol, with plans to expand to other parts of the UK ahead of the 2027 launch.

Nusku is developing a market strategy focused on a network of regional installers. Owen Coyle, founding director of Union Technical, noted that in Scotland, due to its housing stock and climate, fuel poverty remains a severe challenge, and such solutions could make a difference by reducing running costs.

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