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The case for secondary double glazing

Posted by Tim Pullen on 21st August 2009 at 12:08 pm

The case for secondary double glazing

I recently helped a lady refurbishing a typical 1960s three-bedroom semi with energy efficiency issues. A quick heat loss calculation gave a peak heat load of 8.5kW which should have equated to a use of about 10,000kWh of gas per year. Her actual gas consumption was 15,000kWh p.a. which was used…

Posted in: General, Energy efficiency


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