1400 Page Heating Performance Survey Using Aerial And Ground Thermography Thermal IEC Building Inspection, On the Ground, From the Air and Internal It doesn’t matter how old a building is, there is always an opportunity to learn more about how to make it more habitable for the people who live and work there. We were recently asked to complete a full thermal survey of the Grade 1 listed building on the grounds of Salisbury Cathedral to look at the potential anomolies and faults present in the performance of the heating systems. Our survey used drones with thermal cameras for aerial roof and elevation inspections as well as ground based cameras for internal inspections. The data capture element took a week, with a further four weeks to complete our report of over 1400 pages, it was a truely interesting study! Cold Thermal Air Bridges and Reverse Chimneys English Gothic buildings of this design and using stone construction materials, suffer from significant internal pressure changes tha
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