Potterton Myson - Boiler Efficiency Rating

Compare new boilers and assess whether your current boiler needs to be replaced.

A boiler’s energy rating is an indicator of its efficiency when used within an average domestic household. It’s a great benchmark for comparing new boilers and can help you work out how much money you could save on energy bills if you replaced your current boiler with a more efficient model.

You can find out the energy efficiency of your boiler by checking its energy rating; you can do this now by selecting the make and model below.

How efficient is your boiler?

Select your boiler using the dropdown below to find out.

Potterton Myson Boilers

Potterton MysonBritish Gas 30F2Non-CondensingGas75.2%
Potterton MysonBritish Gas 40F2Non-CondensingGas76.3%
Potterton MysonBritish Gas 50F2Non-CondensingGas76.7%
Potterton MysonBritish Gas 60F2Non-CondensingGas76.7%
Potterton MysonBritish Gas 80F2Non-CondensingGas75.9%
Potterton MysonC40c40/12Non-CondensingGas55%
Potterton MysonC55c55/16Non-CondensingGas55%
Potterton MysonC80c80/23Non-CondensingGas55%
Potterton MysonC95c95/28Non-CondensingGas55%
Potterton MysonCombi 100Non-CondensingGas78.8%
Potterton MysonCombi 80Non-CondensingGas79.2%
Potterton MysonEnvoy 30CondensingGas88.5%
Potterton MysonEnvoy 30 SystemCondensingGas88.5%
Potterton MysonEnvoy 40CondensingGas88.4%
Potterton MysonEnvoy 40 SystemCondensingGas88.4%
Potterton MysonEnvoy 50CondensingGas88.5%
Potterton MysonEnvoy 50 SystemCondensingGas88.5%
Potterton MysonEnvoy 60CondensingGas87.8%
Potterton MysonEnvoy 60 SystemCondensingGas87.8%
Potterton MysonEnvoy 80CondensingGas87.9%
Potterton MysonEnvoy 80 FlowsureCondensingGas88.7%
Potterton MysonEnvoy 80 Flowsure plusCondensingGas88.7%
Potterton MysonEnvoy 80 SystemCondensingGas87.9%
Potterton MysonFireside52Non-CondensingGas65%
Potterton MysonFlamingocf20-30Non-CondensingGas65%
Potterton MysonFlamingors50sNon-CondensingGas65%
Potterton MysonFlamingors40Non-CondensingGas65%
Potterton MysonFlamingors20-30Non-CondensingGas65%
Potterton MysonFlamingors35/50Non-CondensingGas65%
Potterton MysonFlamingo 2cf50Non-CondensingGas65%
Potterton MysonFlamingo 2rs40Non-CondensingGas65%
Potterton MysonFlamingo 2cf20/30Non-CondensingGas65%
Potterton MysonFlamingo 2rs50Non-CondensingGas65%
Potterton MysonFlamingo 2rs20/30Non-CondensingGas65%
Potterton MysonFRS 52Non-CondensingGas65%
Potterton MysonHousewarmer 45Non-CondensingGas77.4%
Potterton MysonHousewarmer 55Non-CondensingGas78.4%
Potterton MysonKingfishercf40Non-CondensingGas65%
Potterton MysonKingfishercf50Non-CondensingGas65%
Potterton MysonKingfishercf100Non-CondensingGas65%
Potterton MysonKingfishercf40aNon-CondensingGas65%
Potterton MysonKingfishercf50aNon-CondensingGas65%
Potterton MysonKingfishercf60Non-CondensingGas65%
Potterton MysonKingfisherrs100Non-CondensingGas65%
Potterton MysonKingfisherrs60Non-CondensingGas65%
Potterton MysonKingfisherrs80Non-CondensingGas65%
Potterton MysonKingfishercf80Non-CondensingGas65%
Potterton MysonKingfisher 2cf150Non-CondensingGas65%
Potterton MysonKingfisher 2rs40Non-CondensingGas65%
Potterton MysonKingfisher Mf CF 100Non-CondensingGas76.9%
Potterton MysonKingfisher Mf CF 40Non-CondensingGas76.8%
Potterton MysonKingfisher Mf CF 50Non-CondensingGas76.7%
Potterton MysonKingfisher Mf CF 60Non-CondensingGas76.8%
Potterton MysonKingfisher Mf CF 70Non-CondensingGas76.5%
Potterton MysonKingfisher Mf CF 80Non-CondensingGas76.9%
Potterton MysonKingfisher Mf CF 90Non-CondensingGas77.6%
Potterton MysonKingfisher Mf RS 100Non-CondensingGas76.9%
Potterton MysonKingfisher Mf RS 40Non-CondensingGas76.8%
Potterton MysonKingfisher Mf RS 50Non-CondensingGas76.7%
Potterton MysonKingfisher Mf RS 60Non-CondensingGas76.8%
Potterton MysonKingfisher Mf RS 70Non-CondensingGas76.5%
Potterton MysonKingfisher Mf RS 80Non-CondensingGas76.9%
Potterton MysonKingfisher Mf RS 90Non-CondensingGas77.6%
Potterton MysonNetaheat Electronic10/16eNon-CondensingGas68%
Potterton MysonNetaheat Electronic16/22Non-CondensingGas65%
Potterton MysonPuma 100Non-CondensingGas74.8%
Potterton MysonPuma 100 SecurityNon-CondensingGas74.8%
Potterton MysonPuma 100eNon-CondensingGas78.8%
Potterton MysonPuma 100e SecurityNon-CondensingGas78.8%
Potterton MysonPuma 100ecNon-CondensingGas78.8%
Potterton MysonPuma 80Non-CondensingGas75.2%
Potterton MysonPuma 80 SecurityNon-CondensingGas75.2%
Potterton MysonPuma 80eNon-CondensingGas79.2%
Potterton MysonPuma 80e SecurityNon-CondensingGas79.2%
Potterton MysonPuma Flowsure plusNon-CondensingGas79.6%
Potterton MysonRs38/11rs38/11Non-CondensingGas55%
Potterton MysonRs50/15rs50/15Non-CondensingGas55%
Potterton MysonRs70/21rs70/21Non-CondensingGas55%
Potterton MysonScottish Gas 30F2Non-CondensingGas75.2%
Potterton MysonScottish Gas 40F2Non-CondensingGas76.3%
Potterton MysonScottish Gas 50F2Non-CondensingGas76.7%
Potterton MysonScottish Gas 60F2Non-CondensingGas76.7%
Potterton MysonScottish Gas 80F2Non-CondensingGas75.9%
Potterton MysonStatesman FlowsureNon-CondensingOil78.3%
Potterton MysonStatesman Flowsure plusNon-CondensingOil78.3%
Potterton MysonStatesman Kitchen 45/50KeroseneNon-CondensingOil85.7%
Potterton MysonStatesman Kitchen 50/70Gas oilNon-CondensingOil82.5%
Potterton MysonStatesman Kitchen 50/70KeroseneNon-CondensingOil82.5%
Potterton MysonStatesman Kitchen 70/90KeroseneNon-CondensingOil85.7%
Potterton MysonStatesman Kitchen 70/90Gas oilNon-CondensingOil85.7%
Potterton MysonStatesman Kitchen 90/110KeroseneNon-CondensingOil83.0%
Potterton MysonStatesman Kitchen 90/110Gas oilNon-CondensingOil83.0%
Potterton MysonStatesman System 65/85Non-CondensingOil81.1%
Potterton MysonStatesman Utility 50/70Gas oilNon-CondensingOil82.5%
Potterton MysonStatesman Utility 50/70KeroseneNon-CondensingOil82.5%
Potterton MysonStatesman Utility 70/90Gas oilNon-CondensingOil85.7%
Potterton MysonStatesman Utility 70/90KeroseneNon-CondensingOil85.7%
Potterton MysonStatesman Utility 90/110Gas oilNon-CondensingOil83.0%
Potterton MysonStatesman Utility 90/110KeroseneNon-CondensingOil83.0%
Potterton MysonSuprima 100Non-CondensingGas78.3%
Potterton MysonSuprima 120Non-CondensingGas77.8%
Potterton MysonSuprima 30Non-CondensingGas76.6%
Potterton MysonSuprima 40Non-CondensingGas76.8%
Potterton MysonSuprima 50Non-CondensingGas77.5%
Potterton MysonSuprima 60Non-CondensingGas77.9%
Potterton MysonSuprima 70Non-CondensingGas78.4%
Potterton MysonSuprima 80Non-CondensingGas77.2%

What are SEDBUK Efficiency Ratings?

From 1999 to 2015 boilers were ranked on the SEDBUK scale which stands for ‘Seasonal Efficiency of a Domestic Boiler in the UK’. While many still refer to SEDBUK as the standard energy rating scale, it was actually replaced in 2015 by the Energy related Products directive, or ErP. It’s directly related to the EU’s ambition to improve the energy efficiency of our homes and achieve the following targets by 2020:

  • 20% reduction in EU greenhouse gas emissions (compared to 1990 levels)
  • 20% improvement in overall energy efficiency (across the EU)
  • 20% more energy produced from renewable resources such as solar or biomass.

Under the current ErP standards, boiler manufacturers are required to label their products with a rating from A++ to G, with G being the least efficient a boiler can be. In September 2019, efficiency grade A+++ will be added and the least efficient class, G, will be removed as an option, removing these products from the market as a result.

How Much Money Could I Save with a More Efficient Boiler

To understand how a new boiler could save you money, you need to consider the energy that an inefficient boiler is wasting. For example, if a boiler is only 70% efficient, for every £1 you spend on heating your home, 30p is being wasted on lost energy. If your new boiler can reach efficiency of 90%, that is just 10p lost of every £1. So that’s a saving of 20p in every £1 which really adds up over time.

The financial savings you could make by replacing your boiler with a more efficient model can be significant, but will vary depending on the size of your home, the fuel used by the boiler and the inefficiency of your existing boiler.

According to the Energy Saving Trust: “Replacing an old gas boiler with a programmer and room thermostat, with a new A-rated condensing boiler with a programmer, room thermostat and thermostatic radiator controls (TRVs) could save you:

Old Boiler ErP RatingEfficiencyDetached houseSemi-detached houseMid-terrace house
D78 – 82%£170£110£100
E74 – 78%£190£125£105

Figures taken from the latest research by the Energy Saving Trust. Based on fuel prices as of April 2017.

For new boiler installations visit Boiler Guide to request quotes from independent local and regional heating engineers.