PLUMBING & HEATING I


n a bid to move towards a greener future, the UK government is committing to the installation of low-carbon heating technologies in all new build homes from 2025. This is a significant step in the direction toward a more sustainable Britain. But while it is a bold commitment, it isn’t as simple as out with the old and in with the new. One of the biggest changes in moving to a low-carbon solution involves swapping gas boilers for low-energy options like heat pumps, which can be three times more efficient according to government statistics. However, the heat source is part of a wider system, which will also need careful consideration to make sure it is compatible and as energy efficient as possible. Stuart Wood, product manager - sustainable heating at Polypipe Building Products says that, for those merchants already supplying low-carbon heating solutions like underfloor heating and low-temperature radiators, the shift to heat pumps presents a strong opportunity to add value and build long-term customer loyalty. “They must ensure they stock products to meet the new demand, while having the knowledge to support clients who are seeking greener alternatives,” he says, adding that as the transition to net zero gathers pace, more technical support is required to ensure the solutions are right.


Green initiatives


Wood says that the widespread adoption of heat pumps is central to the government’s Future Homes Standard. “Heat pumps are significantly reducing carbon emissions when compared to traditional gas boilers and becoming an increasingly popular option as a result. The pursuit for UK residential developers to reduce the embodied carbon of their developments has driven significant investment from their supply chains. Stimulating innovation and developing new sustainable heating solutions that integrate seamlessly into low-carbon, energy-efficient heat sources such as Air Source Heat Pumps,” he says.


By requiring energy-efficient, low-emission heating solutions from the outset of new build developments, the government is reducing future retrofitting costs by aligning with current and upcoming building regulations, such as Future Homes Standard, and environmental targets, which means fewer upgrades will be needed down the line. Acting as a future-proofing strategy, it encourages the development of homes that are better prepared for a low-carbon economy. He says: “To help meet the government’s ambitious targets, at Polypipe Building


PUMPED UP


Products, our range of pre-insulated piping systems provide homes with a low-carbon and cost-effective solution for heat pump connections. Pre-insulated pipe solutions work in combination with heat pumps to enhance energy efficiency through thermal insulation. Heat pumps operate most efficiently at flow temperatures of around 35 - 45°c.” Wood explains that a high-level thermal insulation in the pipes ensures minimal temperature loss from the heat pumps to the property, thus maintaining energy efficiency. “This also means that installers and homeowners can be sure that whatever energy is provided by the heat pump is not lost along the way. It also helps ensure systems meet Standard Assessment Procedure (SAP) calculations,” he says.


The highly flexible, pre-insulated piping system provides both the flow and the return medium pipes in the same jacket pipe. The system is primarily intended for the transport of heating water or other heat-transfer media in underground distribution networks, and as a heat pump connection.


The multi-layer thermal insulation is made from cross-linked, microcellular PE-X foam with a water-repellent closed cell structure, characterised by its durable, non-ageing insulation performance, and its permanent elasticity, maximising the thickness of the insulation layer.


Wood continues: “As this inevitable move to greener, more renewable solutions comes into play, merchants can play their part in expanding their knowledge on the new technology and components, and stocking added-value systems and accessories. There is


June 2025 www.buildersmerchantsjournal.net


The role of heat pumps role in a new generation of sustainable homes


a clear commercial opportunity emerging.” He says that the benefits of heat pumps extend well beyond their compatibility with underfloor heating systems. They also offer a highly efficient and cost-effective solution for providing domestic hot water, making them a versatile option for modern homes. Research shows that homes built to low- carbon standards can save occupiers over £1,300 annually on energy bills. As energy costs remain volatile, the appeal of futureproof homes will increase, and expand the need for merchants to support installers.


Skills gap


“New systems require new knowledge in order to install them. While it’s well publicised that the current workforce is not ready for the transition to low-carbon solutions, merchants can make a difference. By offering in-branch training days, partnering with manufacturers, offering CPD sessions, and ensuring their staff are equipped to offer technical advice over the counter,” Wood continues.


“At Polypipe Building Products we provide a full suite of merchant-focused resources, including system design support, training, and digital tools to help ensure the correct specification of products. Heat pump integration must be made easier for everyone if its adoption is going to be widespread, and at the pace required to meet targets.” He adds: “ How well merchants can support customers in the switch to greener technology will contribute to the FHS’s overall success. With the right stock, knowledge, and support in place, merchants have an opportunity to lead the way for their clients as we welcome the FHS.” BMJ


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