Energy Engineer Nigel Banks (right) with Energy Surveyor Mark Sopala review utility bills during calculations for the optimum he

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Energy Engineer Nigel Banks (right) with Energy Surveyor Mark Sopala review utility bills during calculations for the optimum heat efficiency in a domestic home Bristol UK

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Size: 4256px × 2831px
Location: UK
Photo credit: © Adrian Sherratt / Alamy / Afripics
License: Licensed
Model Released: No

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