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![Boiler Efficiency and Ratings [Beginner's Guide] | My Plumber](https://my-plumber.co.uk/blog/wp-content/uploads/2015/10/boiler-efficiency2.jpg "Boiler Efficiency and Ratings [Beginner's Guide] | My Plumber")
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Definition of AFUE - Annual Fuel Utilization Efficiency
AFUE and Real Boiler Efficiency | Annual Fuel Utilization Efficiency
AFUE and Real Boiler Efficiency | Annual Fuel Utilization Efficiency
Boiler Efficiency Explained - Which?
