Focus on: Boilers, Burners & Controls Energy & Environmental Management be implemented immediately while deferring the need for major electrical upgrades. Electrification can then follow as grid capacity improves. From an application perspective, GAHP systems integrate with existing gas infrastructure and require minimal electrical input. As outlined by Pure Thermal, approximately 1 kW of electricity is required to generate up to 40 kW of heat output. Compared with conventional gas boilers, this can result in reduced gas consumption while maintaining heating performance. Garry Broadbent states: “GAHP are relatively straightforward to apply as they use the incumbent/existing gas supply and use only 1 kW electricity to generate 40kW of heat”, continuing, “consider that we have a commercial gas heater which is more than 100% efficient offering an immediate reduction in gas usage when compared to boilers”. The technology has an established track record, with widespread UK deployment since 2004 and continued application across Europe. This operational history demonstrates that GAHP systems are a well-established alternative heat pump technology rather than a new or emerging solution. System configurations are modular, typically based on the Robur A-Plus 40 kW unit, which can be installed individually or in multiple-unit arrangements. Factory-assembled skid-mounted systems are also available, along with hybrid configurations combining GAHP units with conventional boilers. In such systems, heat pumps are prioritised to maximise carbon reduction, with boilers providing additional capacity at lower ambient temperatures, typically below 5°C. Pure Thermal indicates that application support is available through case studies and system design guidance from both UK and European installations, aimed at supporting consultants and specifiers in evaluating appropriate use cases. In operation, GAHP systems differ from COMPLETE IN-HOUSE SERVICE FOR GAS & VOC EFFLUENT TREATMENT Babcock Wanson UK Ltd. Tel: 020 8953 7111 info@babcock-wanson.com | www.babcock-wanson.com BABCOCK WANSON THERMAL OXIDISER SOLUTIONS With over 130 years of experience, Babcock Wanson Group offers Best Available Technology (BAT) to effectively treat VOCs, odours, and both liquid and gaseous effluents from manufacturing processes. Whether your goal is to recover solvents back into your production process or thermally destroy off-gases to meet environmental compliance, we have the right solution. Our comprehensive range includes solvent recovery plants, regenerative, recuperative, and deodorising oxidisers, offering one of the most complete portfolios on the market. We also provide complementary technologies such as heat recovery systems to air, thermal fluid, steam, or hot water, scrubbers, roto concentrators, flue gas recirculation, de-NOx, and catalytic systems, all designed to enhance process efficiency and sustainability. electrically driven vapour compression heat pumps in that a gas burner provides the energy input to drive the refrigeration cycle. However, both systems utilise renewable energy sources such as ambient air, ground or water. Typical performance suggests GAHP systems can reduce gas consumption by approximately 40% compared with conventional boilers, while delivering flow temperatures of up to 70°C. This makes them suitable for both new-build and retrofit applications, particularly where higher temperature heat distribution systems are required. The future role of gas within the UK energy system remains subject to ongoing policy development, including a government consultation on gas transition launched in November 2025. However, developments such as investment in hydrogen blending and increasing availability of biogas indicate potential for lower-carbon gaseous fuels within the existing grid. For further information please visit: www.purethermal.co.uk
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