Fan coil units Embodied energy
As fan coil units reach their pinnacle of energy efficiency it is important AC engineers consider embodied energy too. This is becoming increasingly important as we approach the UK’s 2050 Net Zero target. It is therefore vital for manufacturers to consider at the design stage both the whole life costing and performance. Diffusion looked at every element of fan coil design and developed a range with optimum performance, low noise, improved efficiency and ease of serviceability and maintenance in mind. Emphasis was on using the most energy efficient components with the latest technology, utilising less materials, reducing the volume of materials transported, minimising carbon footprint and lowering running costs per unit size. These design innovations ensure reduced energy usage, reduced heat loss and product longevity. For example, fan coil units can be supplied with either ISO grade media filters or a lifetime wire mesh filter. Diffusion’s ‘Eco’ filter offers a reduction in waste of thousands of non-biodegradable filters to landfill. A key objective for a fan coil unit is to circulate healthy air sustainably. Dirty filters will reduce the air volume handled by the fan coil unit and so adversely affect its performance. This means filters need cleaning or replacing regularly. The ‘Eco’ filter provides a robust environmentally conscious solution that can be simply vacuum cleaned in situ, making maintenance simple too. Reducing air and road miles for products
as well as their components is another way to reduce embodied energy. British designed and manufactured, Diffusion aims to have as short a supply chain as possible. For example, low-carbon motors are sourced from Wiltshire and 60% of Diffusion’s fan coil units are transported less than 30 miles to end-users in London, keeping carbon emissions to the minimum. However, it is important not only to design a fan
coil with a low embodied energy, it is also vital to be able to measure this and prove it with data, so that specifiers of low carbon buildings have the whole picture and assurance they need. Designed to have
a low embodied carbon footprint, Diffusion has used the CIBSE TM65 data collection methodology to collect accurate and detailed embodied carbon information. Working from a component level, this methodology ensures data is comprehensive, and up-to-date. All in all, modular fan coil design offers a long sustainable product life for customers since they are easily serviced and units can be re-configured on-site to suit a building’s new purpose and configuration. This lowers the embodied carbon in the life cycle of a building. The newest fan coils offer customers quality, plus the flexibility to adapt to future use.
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