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Guidance Notes

To complement our larger Application Guides we compile Guidance Notes which offer concise guidance on specific areas of technical interest.

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TT Earthing Systems - Guidance Note

(PDF, 695 kB)

This Guidance Note highlights TT earthing system requirements, dispels any myths and gives some clear guidance to both contractors and clients.

Published 23 Feb 2017
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Guidance Note Earthing of Raised Access Floors

(PDF, 41 kB)Download

Guidance Note - Air Source Heat Pumps

(PDF, 373 kB)

Air Source Heat Pumps could provide all of home’s heating, significantly cutting your bills and reducing the amount of harmful carbon dioxide (CO2) released into the atmosphere.

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Guidance Note - Ground Source Heat Pumps

(PDF, 587 kB)

Ground source heat pumps are powered by electricity, but for every unit of electricity used, three to four units of heat are produced. This kind of system could provide all of your home’s heating, significantly cutting your bills – and reducing the amount of harmful carbon dioxide (CO2) you release into the atmosphere.

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