Potterton - 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 Boilers

PottertonBritish Gas Potterton PrecisionCondensingGas90.9%
PottertonGold28 HECondensingGas90.1%
PottertonGold33 HECondensingGas90.1%
PottertonGold24 HECondensingGas90.1%
PottertonGoldH 15CondensingGas91.3%
PottertonGold28 HE ACondensingGas91.1%
PottertonGold33 HE ACondensingGas91.1%
PottertonGold24 HE ACondensingGas91.1%
PottertonGoldH 24CondensingGas90.9%
PottertonGoldH 18CondensingGas90.4%
PottertonGold Combi28 HE LPGCondensingLPG93.2%
PottertonGold FSB30 HECondensingGas90.9%
PottertonGold System28 HE ACondensingGas91.2%
PottertonGold System24 HE ACondensingGas91.2%
PottertonGold System18 HE ACondensingGas91.2%
PottertonHeatmax Combi28 HECondensingGas91.1%
PottertonHeatmax Combi33 HECondensingGas91.1%
PottertonHeatmax Combi24 HECondensingGas91.1%
PottertonKingfisher MFRSL90Non-CondensingGas78.1%
PottertonKingfisher MFCFL90Non-CondensingGas78.0%
PottertonKingfisher MFCFL100Non-CondensingGas78.0%
PottertonKingfisher MfRSL 40Non-CondensingGas78.5%
PottertonKingfisher MFRSL60Non-CondensingGas78.5%
PottertonKingfisher MfCFL 40Non-CondensingGas78.4%
PottertonKingfisher MFRSL70Non-CondensingGas78.1%
PottertonKingfisher MFCFL70Non-CondensingGas78.0%
PottertonKingfisher MFCFL60Non-CondensingGas78.0%
PottertonKingfisher MFRSL100Non-CondensingGas78%
PottertonKingfisher MFRSL50Non-CondensingGas78.5%
PottertonKingfisher MFCFL50Non-CondensingGas78.5%
PottertonKingfisher MFCFL80Non-CondensingGas78.3%
PottertonKingfisher MFRSL80Non-CondensingGas78.2%
PottertonOsprey 2CFL 180Non-CondensingGas78.7%
PottertonOsprey 2CFL 125Non-CondensingGas78.6%
PottertonOsprey 2CFL 150Non-CondensingGas78.1%
PottertonOsprey 2CFL 220Non-CondensingGas78.0%
PottertonParamount 40Natural GasCondensingGas89.8%
PottertonParamount 60Natural GasCondensingGas89.9%
PottertonPerforma24i HECondensingGas87.3%
PottertonPerforma24i HECondensingLPG87.1%
PottertonPerforma12 SL HECondensingGas86.4%
PottertonPerforma21 SL HECondensingGas86.2%
PottertonPerforma24 SL HECondensingGas86.2%
PottertonPerforma15 SL HECondensingGas86.2%
PottertonPerforma18 SL HECondensingGas86.2%
PottertonPerforma9 SL HECondensingGas86.1%
PottertonPerforma30 HECondensingGas87.3%
PottertonPerforma24 Eco HECondensingGas87.3%
PottertonPerforma24 Eco HECondensingLPG87.1%
PottertonPerforma30 HECondensingLPG87.1%
PottertonPerforma System28eNon-CondensingGas78.2%
PottertonPerforma System28eNon-CondensingLPG80.4%
PottertonPerforma System12eNon-CondensingGas78.9%
PottertonPerforma System18eNon-CondensingGas78.8%
PottertonPerforma System24eNon-CondensingGas78.7%
PottertonPerforma System12eNon-CondensingLPG80.9%
PottertonPerforma System24eNon-CondensingLPG80.8%
PottertonPerforma System18eNon-CondensingLPG80.8%
PottertonPerforma System24 HECondensingGas87.4%
PottertonPerforma System18 HECondensingGas87.4%
PottertonPerforma System28 HECondensingGas87.3%
PottertonPerforma System12 HECondensingGas86.8%
PottertonPerforma System18 HECondensingLPG87.3%
PottertonPerforma System28 HECondensingLPG87.2%
PottertonPerforma System24 HECondensingLPG87.2%
PottertonPerforma System12 HECondensingLPG86.6%
PottertonPowermax HE150 CPCondensingGas90.6%
PottertonPowermax HE150 CPIHCondensingGas90.6%
PottertonPowermax HE85 CPCondensingGas90.5%
PottertonPowermax HE85 CPIHCondensingGas90.5%
PottertonPowermax HE115 CPCondensingGas90.5%
PottertonPowermax HE115 CPIHCondensingGas90.5%
PottertonPromax12 HE PlusCondensingGas90.5%
PottertonPromax18 HE PlusCondensingGas90.4%
PottertonPromax15/2 HE PlusCondensingGas91.3%
PottertonPromax24/2 HE PlusCondensingGas90.9%
PottertonPromax30 HE PlusCondensingGas90.9%
PottertonPromax Combi28 HE PlusCondensingGas90.1%
PottertonPromax Combi33 HE PlusCondensingGas90.1%
PottertonPromax Combi24 HE PlusCondensingGas90.1%
PottertonPromax Combi24 HE Plus LPGCondensingLPG93.2%
PottertonPromax Combi33 HE Plus ACondensingGas91.1%
PottertonPromax Combi28 HE Plus ACondensingGas91.1%
PottertonPromax Combi24 HE Plus ACondensingGas91.1%
PottertonPromax FSB30 HECondensingGas90.9%
PottertonPromax HE Store150 LitreCondensingGas90.4%
PottertonPromax HE Store90 LitreCondensingGas90.3%
PottertonPromax HE Store115 LitreCondensingGas90.3%
PottertonPromax SL15CondensingGas91.3%
PottertonPromax SL30CondensingGas90.9%
PottertonPromax SL24CondensingGas90.9%
PottertonPromax SL12CondensingGas90.5%
PottertonPromax SL18CondensingGas90.4%
PottertonPromax System18 HE PlusCondensingGas90.2%
PottertonPromax System12 HE PlusCondensingGas90.2%
PottertonPromax System15 HE PlusCondensingGas90.2%
PottertonPromax System24 HE PlusCondensingGas90.1%
PottertonPromax System32 HE PlusCondensingGas90.1%
PottertonPromax System24 HE Plus LPGCondensingLPG93.2%
PottertonPromax System32 HE Plus ACondensingGas91.2%
PottertonPromax System24 HE Plus ACondensingGas91.2%
PottertonPromax System18 HE Plus ACondensingGas91.2%
PottertonPromax System15 HE Plus ACondensingGas91.2%
PottertonPromax System12 HE Plus ACondensingGas91.2%
PottertonScottish Gas Potterton PrecisionCondensingGas90.9%
PottertonStatesman Flowsure70/90LNon-CondensingOil82.3%
PottertonStatesman Flowsure Plus70/90LNon-CondensingOil82.3%
PottertonStatesman System70/90LNon-CondensingOil85.1%
PottertonStatesman Utility130/150LNon-CondensingOil85.7%
PottertonStatesman Utility50/70LNon-CondensingOil85.7%
PottertonStatesman Utility70/90LNon-CondensingOil85.3%
PottertonStatesman Utility90/110LNon-CondensingOil85.2%
PottertonStatesman Utility110/130LNon-CondensingOil85.1%
PottertonSuprima40 HECondensingGas86.4%
PottertonSuprima70 HECondensingGas86.2%
PottertonSuprima80 HECondensingGas86.2%
PottertonSuprima60 HECondensingGas86.2%
PottertonSuprima50 HECondensingGas86.2%
PottertonSuprima30 HECondensingGas86.1%

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.

Potterton are part of Baxi Heating and commonly known as Baxi Potterton. Established over 150 years ago Potterton invest heavily in research and development which has led to winning a Which? ‘Best Buy’ award for 2 consecutive years running.

Baxi Potterton aim to develop and produce highly efficient domestic central heating products that are known for their quality, performance and environmental impact.

Being part of the Baxi Group Potterton have huge resources to fall back on, one of these is the HeatTeam after sales service. HeatTeam comprises a dedicated network of Gas Safe registered field service engineers that support Potterton, Baxi, Heatrae Sadia, Main and Valor products. Common spare parts are held by the engineers with tens of thousands of additional parts held at Baxi.

High efficiency reliable boilers with an effective after sales service combine to offer real value to Potterton customers. Not many companies can boast a Which? award 2 years running. The Potterton Gold Combi HE was voted a ‘Best Buy’ by Which? in 2006 and 2007. Other products in the range include Gold Combi HE, Promax Combi HE Plus, Performa Combi HE, Promax System, Performa System, Promax SL and Suprima heat only boilers.

Potterton boiler ranges

There are two main boiler ranges from Potterton; NetaHeat and Kingfisher.


Potterton NetaHeat was a range of wall hung boilers established in the 1970’s and at the time it was groundbreaking in its design. So much so, it is widely regarded as the forerunner of so many of today’s modern energy efficient central heating boilers. The Netaheat was eventually replaced by the Profile; a more compact boiler which was introduced onto the market in 1988.


This is a range of floor mounted boilers with a SEDBUK efficiency of around 78.5%. The Kingfisher range is ideal for any homes not connected to mains gas or electricity as they allow for installations for off-mains gas areas.

How much do Potterton boilers cost?

A combi boiler from Potterton may cost between £590 and £1615, excluding installation costs. A regular Potterton boiler costs around £690 to £1700, whilst a system boiler may cost between £680 and £2345 (both excluding installation costs).