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Domestic heating sizing wizard
Use this sizing wizard to get the replacement boiler for your house that runs most efficiently, has lower running costs and produces lower carbon emissions.
This 'whole house' procedure provides the busy heating installer with a boiler sizing method that is fast and easy to use.
The Energy Saving Trust housing programme has developed a new sizing wizard. This new and updated version can also be used for other heat generators (such as micro-CHP or heat pumps) together with a heating system design method. Its purpose is to give a realistic estimate of the heating demand for a whole dwelling so that the boiler or other heat generator can be sized correctly.
Use the new Domestic heating sizing wizard
Please note - the new Domestic heating sizing wizard is currently in BETA phase. As part of this the log in, registration, save and print functionality is disabled. If you have any problems whilst using the tool please email bestpractice@est.org.uk
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