HEATING, VENTILATION & SERVICES 51
Green heat network providers
Neal Herbert of GTC discusses how heat networks are revolutionising heat and hot water delivery in new homes, playing a key role in the UK’s ongoing shift to sustainable, low-carbon developments.
T
he integration of renewable energy into developments is becoming a crucial consideration as the UK continues its journey to reduce reliance on fossil fuels.
Heat networks are poised to play a
signifi cant role in the nation’s path to net zero by 2050. To meet this ambitious target, those shaping current and future housing and commercial developments must have a clear understanding of the technology, design parameters, sizing, installation, and ongoing operation of these systems, which are increasingly replacing gas networks. A clear understanding of how heat networks function both technically and in relation to end users will be key to successful implementation. It’s also important to note that various types of heat networks are available, offering fl exibility based on a site’s specifi c requirements.
ADF JANUARY 2025
How heat networks work Heat networks use a central plant to generate heat, which is then distributed through a network of highly insulated pipes to multiple buildings or units. The design of these pipes should consider the layout of the development, heat losses from the pipes, while ensuring the network can handle the required fl ow rates and temperatures for effi cient heating and hot water delivery.
Design parameters
When integrating a heat network, the building layout and zoning are crucial. Buildings should be designed to allow for easy connection to the central heating plant, ensuring even and effi cient heat distribution and proper routing of piping. Thoughtful zoning of heating requirements can help to reduce the load on the system. If a central heat hub is specifi ed, adequate
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Heat networks are poised to play a signifi cant role in the UK’s path to net zero by the 2050 deadline
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