Commercial heating
Adveco solar thermal preheat & ADplus gas afterheat system
Modular, high-performance flat plate collectors are by far the most efficient way to heat water with solar energy, offering a smaller footprint compared to equivalent solar photovoltaics (PV) for DHW
new solar thermal systems which can deliver a return on investment within a 10-year period. For new build properties with electrical connection, the gas heater is replaced with an electric boiler and cylinder to supply the afterheat which raises system temperatures to a necessary 60°C. This hybrid approach maximises the solar thermal input which
For existing buildings with gas-fired water heating solar thermal is employed as a system pre- heat, reducing demands for gas to actively cutting carbon emissions from the buildings. Commercial new build and refurbishment however are either mandated or opting to shift to direct electric. Though perceived to be cleaner, they are finding the move comes with new financial challenges as electricity remains substantially more expensive to operate than gas - currently by a factor of 3.8. The undisputed carbon and cost savings mean we are seeing a definite upswing in interest for
Adveco has simplified by integrating a packaged FUSION E electric water heating system. The all- electric solar thermal approach further reduces carbon associated with grid electric systems and aids in lowering operating costs. This hybrid approach can be further extended with the inclusion of air source heat pumps to provide the initial pre-heat for the system. Operating at lower temperatures with the cold feed maximises the efficiency of the heat pump, reducing electrical operating costs and raising working flow temperatures from 10°C to 40°C. This
is not hot enough for commercial applications, so the pre-heated water is then passed to the mid solar thermal system. Essentially free to operate, the solar thermal system boosts the working flow temperatures from 40°C to at least 50°C. Although not operating at maximum potential, there is enough advantage gained from solar thermal to warrant the additional system complexity and capital investment. During summer months it is possible for the solar thermal system to deliver the necessary 60°C working flow for safe provision of commercial hot water. But to ensure safe, consistent, and necessary high operational temperatures, the water is passed to the FUSION electric water heater. Here final consistent water temperatures of up to 65°C are assured year round. To date, Adveco has designed and supports more than 800 live solar thermal systems across the UK and such hybrid approaches are unavoidable if commercial projects seek a sensible, practical, and cost-effective path to low-carbon hot water. The company offers free CIBSE-accredited sessions on solar thermal design and can support installers interested in adding solar thermal to their portfolio with additional onsite training.
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Specialists in stainless steel and home of the patented tank-in-tank concept, we have a wide range of products to suit all your project needs.
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Wall mounted condensing boilers with stainless steel heat exchanger technology 40kW to 150kW
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Electric boilers 9kW to 259kW
Stainless steel tank-in-tank cylinders
Direct gas fired November 2023 13
condensing water heaters Also available as combined heating and hot water unit
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