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Ariston Boilers Boiler Efficiency Rating

Ariston - Boiler Efficiency Rating

Ariston have been looking to the future ever since launching their first electric water heaters back in the 1960s. Delivering innovative design along with an understanding of consumer needs, they’re treating homes in over 150 countries to some “Italian warmth” every single day.

They pride themselves on delivering innovative solutions to customers at competitive prices, Ariston value the needs of each individual to give them the best solution for their needs. As an environmentally conscious manufacturer, Ariston work to find sustainable solutions which is shown with their ‘evo’ range being recommended by the Energy Saving Trust.

What are the Main Boiler Types Available from Ariston?

Ariston boilers are ideal for small to medium sized homes and they have a selection of Combi and System boilers to choose from, while having just the one Regular boiler.

Clas HE Range

Ariston’s Clas HE range includes some highly efficient gas boilers with efficiency ratings no less than 90%, they come ‘A’ ErP rated. There’s nothing to worry about with the installation of these boilers as they come fitted with a simple connection kit and clip-on cover. Ongoing services are simple to conduct too, as all components are easily accessible from the front of the appliance.

The boilers also come fitted with high quality electrical connections, advanced control options, and interfaces that are very simple to use.

Evo Range

With efficiency ratings around the 90% mark, it’s no surprise that this range of boilers are recommended by the Energy Saving Trust and are very much compliant with the latest building regulations.

These high efficiency boilers come with outputs of 24-38kW for the CLAS HE Combi evo and E-Combi evo, 18-30kW for the CLAS HE system evo and the E-System evo comes as a 24kW or 30kW unit.

How Much Do Ariston Boilers Cost?

The price of an Ariston boiler will depend on the type that’s suitable for your home. If you’re after a Combi boiler you could be spending about £700 to £1600, while their System boilers will cost approximately £550-£1200.

If you’re considering a Regular boiler, Ariston only have one on the market, the Clas HE 24kW Regular, a gas boiler that’s priced at approximately £700-£800.

ModelTypeFuelEfficiency
Ariston ACO 27 MFFICondensingGas88.7%
Ariston ACO 27 RFFICondensingGas88.8%
Ariston ACO 32 MFFICondensingGas88.9%
Ariston ACO 32 RFFICondensingGas89.0%
Ariston ACO 35 HP MFFI ACO 35 HP MFFICondensingGas88.9%
Ariston Clas 21 FF SystemNon-CondensingGas80.4%
Ariston Clas 24 FFNon-CondensingGas80.3%
Ariston Clas 28 FF SystemNon-CondensingGas80.4%
Ariston Clas HE 18 SystemCondensingGas89.3%
Ariston Clas HE 24CondensingGas88.9%
Ariston Clas HE 24 SystemCondensingGas89.0%
Ariston Clas HE 30CondensingGas88.9%
Ariston Clas HE 38CondensingGas88.5%
Ariston Clas HE evo 24CondensingGas88.7%
Ariston Clas HE evo 30CondensingGas88.7%
Ariston Clas HE evo 38CondensingGas88.7%
Ariston Clas HE R 12CondensingGas89.1%
Ariston Clas HE R 18CondensingGas89.3%
Ariston Clas HE R 24CondensingGas89.0%
Ariston Clas HE System 30CondensingGas89.0%
Ariston Clas HE System evo 18CondensingGas88.8%
Ariston Clas HE System evo 24CondensingGas88.8%
Ariston Clas HE System evo 30CondensingGas88.8%
Ariston CLAS NET ONE 24CondensingGas89.4%
Ariston CLAS NET ONE 30CondensingGas89.4%
Ariston CLAS NET ONE 38CondensingGas89.4%
Ariston CLAS ONE 24CondensingGas89.4%
Ariston CLAS ONE 30CondensingGas89.4%
Ariston CLAS ONE 38CondensingGas89.4%
Ariston CLAS SYSTEM ONE 18CondensingGas89.4%
Ariston CLAS SYSTEM ONE 24CondensingGas89.5%
Ariston CLAS SYSTEM ONE 30CondensingGas89.5%
Ariston Combi A 24 MFFI Combi ACondensingGas89.0%
Ariston Combi A 30 MFFI Combi ACondensingGas89.7%
Ariston E-Combi 24CondensingGas88.9%
Ariston E-Combi 30CondensingGas88.9%
Ariston E-Combi 38CondensingGas88.5%
Ariston E-Combi evo 24CondensingGas88.7%
Ariston E-Combi evo 30CondensingGas88.7%
Ariston E-Combi evo 38CondensingGas88.7%
Ariston E-COMBI ONE 24CondensingGas89.4%
Ariston E-COMBI ONE 30CondensingGas89.4%
Ariston E-System 24CondensingGas89.0%
Ariston E-System 30CondensingGas89.0%
Ariston E-System evo 24CondensingGas88.8%
Ariston E-System evo 30CondensingGas88.8%
Ariston E-SYSTEM ONE 24CondensingGas89.5%
Ariston E-SYSTEM ONE 30CondensingGas89.5%
Ariston Ecocombi 27 MFFI microCONDENS SeriesCondensingLPG89.7%
Ariston Ecogenus 24 MFFICondensingGas87.2%
Ariston Ecogenus 24 MFFI Mk2CondensingGas88.2%
Ariston Ecogenus 24 RFFI SystemCondensingGas87.3%
Ariston Ecogenus 24 RFFI System Mk2CondensingGas88.3%
Ariston Ecosystem 27 RFFI microCONDENS SeriesCondensingGas88.8%
Ariston Eurocombi A/23 MFFINon-CondensingGas78.1%
Ariston Eurocombi A/27 MFFINon-CondensingGas78.9%
Ariston Excalibur 23 MFFI Excalibur 80 MFFINon-CondensingGas80.1%
Ariston Excalibur 27 MFFI Excalibur 100 MFFINon-CondensingGas79.4%
Ariston Genus 27 BFFI PlusNon-CondensingGas78.1%
Ariston Genus 27 BFFI Plus Mk2Non-CondensingGas80.0%
Ariston Genus 27 RFFI SystemNon-CondensingGas79.0%
Ariston Genus 30 MFFINon-CondensingGas79.3%
Ariston Genus HE 24CondensingGas88.9%
Ariston Genus HE 24 SystemCondensingGas89.0%
Ariston Genus HE 30CondensingGas88.9%
Ariston Genus HE 38CondensingGas88.5%
Ariston Genus HE System 30CondensingGas89.0%
Ariston Genus Plus 30 BFFINon-CondensingLPG81.0%
Ariston Intesa TP 23 MFFINon-CondensingGas80.2%
Ariston Intesa TP 30 MFFINon-CondensingGas79.9%
Ariston Microcombi 23 MFFINon-CondensingGas80.1%
Ariston Microcombi 27 MFFI Micro Combi SeriesNon-CondensingGas79.4%
Ariston Microcombi 27 MFFI MK2Non-CondensingLPG81.2%
Ariston Microgenus 23 MFFINon-CondensingGas80.3%
Ariston Microgenus 24 HE MFFICondensingGas86.6%
Ariston Microgenus 27 MFFINon-CondensingGas80.2%
Ariston Microgenus 28 HE MFFICondensingGas86.3%
Ariston Microgenus 32 HE MFFICondensingGas86.5%
Ariston Microgenus II 24 MFFINon-CondensingLPG82.0%
Ariston Microgenus II 28 MFFINon-CondensingLPG81.4%
Ariston Microgenus II 31 MFFINon-CondensingLPG81.7%
Ariston Microsystem 10 RFFINon-CondensingGas78.2%
Ariston Microsystem 15 RFFINon-CondensingGas79.9%
Ariston Microsystem 21 RFFINon-CondensingGas80.4%
Ariston Microsystem 28 RFFINon-CondensingGas80.3%