INNOVATING TO SUPPORT THE NET ZERO CARBON TRANSITION Hoval continues to support the UK’s transition to net zero carbon through innovative product design and advanced control technologies, as evidenced by the launch of the UltraGas® 2 range. Recent events have clearly demonstrated that, despite significant growth in renewable energy supply, the UK is still highly dependent on natural gas for both heating and power generation. Alongside gas cost and supply issues in the UK, wider ranging global events have provided very strong evidence of climate change and the need to accelerate the phase out of fossil fuels. Given that a large proportion of the UK’s carbon emissions comes from buildings, this is an area that needs our full attention. To that end, Hoval’s R&D teams are continually looking at how we can help our customers both reduce the amount of gas they use and, when they need to use gas, to do so with maximum efficiency. Moreover, with accreditation to the ISO 14001 Environmental Management standard, we minimise the environmental impact of our own activities.
UltraGas 2 efficiency The Hoval philosophy is clearly exemplified by the recently launched UltraGas® 2 range of gas-fired condensing boilers, a new generation
of boilers that builds on the popular features of the first UltraGas® generation. Crucially, UltraGas® boilers incorporate a number of features to maximise efficiency. These energy-saving features include the patented TurboFer® heat exchanger, which enables more heat to be extracted from the gas that is being burnt. For the more technically minded reader, this is achieved by using special injection technology to generate turbulence on the heating gas side. This turbulence increases heat transfer and boosts efficiency by as much as 20% compared to conventional gas boilers.
UltraGas® 2 versatility As heating systems get older, they inevitably experience a fall-off in performance and also become less reliable and more costly to maintain. Older systems also lack the efficiencies of newer heating technologies, adding to the running costs. In these situations, there comes a time when the most cost-effective option is to replace or upgrade the existing system. Very often, however, the cost and complexity of retrofitting a new boiler to such a system makes an upgrade project non-viable. To address this issue, UltraGas® 2 boilers are designed for easy integration with existing systems. The versatility of the UltraGas® 2 design also enables these boilers to be used
with many different types of system, including district heating/heat network applications, through the ability to work with any flow/return temperature difference. They can also be used with low carbon alternatives to natural gas, such as biomethane and hydrogen.
UltraGas® 2 control Increasingly, gas-fired boilers are used in conjunction with other heat sources – including combined heat & power (CHP), biomass, heat pumps and solar thermal energy sources. UltraGas® 2 is designed to work with Hoval’s standardised TopTronic® E controller, so they can be easily combined with any type of heat generator or solar energy system. This enables the creation of an integrated heating system where all the components work together to make the most efficient use of each energy source included in the mix.
UltraGas® 2 ease of installation Ease of installation has been a key element in the design, so there is no need for system components such as a circulating pump or hydraulic separator. The amount of pipework in the TurboFer® heat exchangers has also been reduced to minimise weight, resulting in a lightweight, compact design. For example, models up to 450kW are less than 800mm wide and will fit though a standard door, while the small footprint means that larger models take up half the space of other gas condensing boilers.
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Hoval has been providing heating solutions in the UK for over 130 years and is proud to hold the Royal Warrant as Boiler Manufacturers and Engineers to HM The Queen. The company offers a comprehensive range of products including gas, oil and biomass boilers, CHP, warm air heaters, solar heating systems and heat pumps. These are supported by a selection of controls packages to optimise performance and integration, along with highly experienced service engineers to maintain the plant’s operation at maximum efficiency.
Website: www.hoval.co.uk 56