PHAM NEWS | DECEMBER/JANUARY 2025 Underfl oorHeating 37


How to future proof new and retrofi t work


Hydronic underfl oor heating represents an ideal option for installers who want to ensure that their projects meet the current and future needs of their customers. Chris Stammers from BEAMA’s Underfl oor Heating Group explains more about its potential to reduce energy costs.


heating (UFH) has only recently become a long-term growth area for installers to tap into. With energy prices a long way off returning to historical norms and increasing pressure to reduce carbon footprints, homeowners are looking for more energy-effi cient heating systems. Hydronic underfl oor heating off ers an ideal opportunity for installers to diff erentiate themselves and their specialist off ering, capitalise on market trends and meet the demands of modern consumers. The underfl oor heating market is evolving with new products, and advanced systems that are easier to install have emerged, regardless of the site conditions or requirements. Knowledge of the breadth of products available and specialist underfl oor heating suppliers to partner with allows heating installers to stay ahead of the curve and provide cutting-edge solutions.


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Sustainable solutions With the Future Homes Standard soon to come into force and low-fl ow temperatures already a must, there’s a growing shift toward renewable and sustainable heating solutions, such as air- source and ground-source heat pumps, in both new homes in order to meet regulations. Then, in retrofi t projects, there’s been a shift towards exploring these technologies due to growing consumer understanding and appreciation of the range of benefi ts these technologies provide. Underfl oor heating is highly compatible with these systems because it works effi ciently at lower fl ow temperatures. Thanks to the naturally low temperatures required by a UFH


hile the


technology itself has a long history, underfl oor


Chris Stammers Portfolio manager for BEAMA’s Underfl oor Heating Group


When paired with an ASHP, an accurately designed UFH system can be up to 40% more efficient than a conventional central heating system


system, which can be run as low as 30°C, this technology can support ASHPs in achieving the highest Coeffi cient of Performance (CoP) – the ratio between the heat pump’s energy production and its electrical energy consumption. When paired with an ASHP, an accurately designed and installed underfl oor heating system can be up to 40% more effi cient and off er lower running costs than a conventional central heating system with radiators, leading to additional cost savings and environmental benefi ts. Importantly, UFH systems also off er full zoning capabilities to meet regulatory requirements and further reduce energy wastage. The regs need to be referenced for each diff erent project, but, in brief, each zone should have an individual heating circuit with independent time and temperature control for each zone. There are usually signifi cant energy-saving opportunities by matching zones to the occupants’ lifestyle; as such, installers must look for opportunities to set up zones beyond the minimum requirements.


Specialist services With the new regulations and the growing adoption of renewable heat sources in mind, enhancing technical expertise through training and ongoing professional development is essential for installers wanting to stay ahead of the curve. Getting into underfl oor heating off ers an opportunity for specialisation and allows professionals to diff erentiate themselves by acquiring new skills and certifi cations related to these highly effi cient systems. Expert installation techniques


will ensure that pipes are laid precisely according to plan and that the system is commissioned eff ectively for


spaces, such as kitchen/diner extensions, where a large space is being created, but the homeowner would like interior layout freedom. As the system is completely hidden, fi xtures, fi ttings and furniture can be placed against walls without any restriction, further adding to its appeal. When selecting a retrofi t


 A solid understanding of heat load calculations, pipe layout planning and how components interact will help to ensure a successful installation


optimal heat distribution. While most suppliers can assist with system designs, a solid understanding of heat load calculations, pipe layout planning, and how all system components interact ensures accurate site data and supports a successful fi nal installation. Higher installation standards also allow installers to focus on larger projects rather than spending time troubleshooting past jobs. Many suppliers off er comprehensive training programmes, both in-person and online, to help installers deepen their knowledge of system design, commissioning, and troubleshooting. Investing in these resources will equip installers with the confi dence and skills needed to tackle more complex projects.


Retrofi t market With more homes being retrofi tted for energy effi ciency, underfl oor heating is becoming an increasingly popular choice for those looking to future- proof their property. Thanks to advances in ultra-low profi le innovation and subfl oor-based systems, retrofi tting existing homes with underfl oor heating has never been easier. A win-win solution, retrofi tted


underfl oor heating is ideal for newly created open-plan


system, the key consideration is fl oor build-up. Some traditional underfl oor heating systems can be over 125mm thick and wouldn’t always be suitable for retrofi t projects due to the increased fl oor-to-ceiling height post-installation. In contrast, low-profi le UFH systems are just 20 to 30mm thick, providing installers with greater retrofi tting fl exibility. The key to any system is to install as much insulation as possible beneath it or look out for boards that incorporate insulating materials. This helps direct the heat upwards through the fl oor, preventing it from being lost into the fl oor slab below.


Compelling choice Whatever the system, homeowners will reap the rewards of underfl oor heating for years to come. From uniform heating and low maintenance to fl exible control, it is a compelling choice for installers and homeowners alike. ◼ phamnews.co.uk/125/31


ABOUT BEAMA


BEAMA Underfl oor Heating Group is the UK’s national trade association for UFH. Its members can be relied upon to provide quality systems and components backed up with great design, customer service and trustworthy advice. Visit beama.org.uk to learn more and contact a BEAMA Underfl oor Heating Group member.


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