Ariston Boilers Boiler Efficiency Rating, Repair & Service

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.

Model	Type	Fuel	Efficiency
Ariston ACO 27 MFFI	Condensing	Gas	88.7%
Ariston ACO 27 RFFI	Condensing	Gas	88.8%
Ariston ACO 32 MFFI	Condensing	Gas	88.9%
Ariston ACO 32 RFFI	Condensing	Gas	89.0%
Ariston ACO 35 HP MFFI ACO 35 HP MFFI	Condensing	Gas	88.9%
Ariston Clas 21 FF System	Non-Condensing	Gas	80.4%
Ariston Clas 24 FF	Non-Condensing	Gas	80.3%
Ariston Clas 28 FF System	Non-Condensing	Gas	80.4%
Ariston Clas HE 18 System	Condensing	Gas	89.3%
Ariston Clas HE 24	Condensing	Gas	88.9%
Ariston Clas HE 24 System	Condensing	Gas	89.0%
Ariston Clas HE 30	Condensing	Gas	88.9%
Ariston Clas HE 38	Condensing	Gas	88.5%
Ariston Clas HE evo 24	Condensing	Gas	88.7%
Ariston Clas HE evo 30	Condensing	Gas	88.7%
Ariston Clas HE evo 38	Condensing	Gas	88.7%
Ariston Clas HE R 12	Condensing	Gas	89.1%
Ariston Clas HE R 18	Condensing	Gas	89.3%
Ariston Clas HE R 24	Condensing	Gas	89.0%
Ariston Clas HE System 30	Condensing	Gas	89.0%
Ariston Clas HE System evo 18	Condensing	Gas	88.8%
Ariston Clas HE System evo 24	Condensing	Gas	88.8%
Ariston Clas HE System evo 30	Condensing	Gas	88.8%
Ariston CLAS NET ONE 24	Condensing	Gas	89.4%
Ariston CLAS NET ONE 30	Condensing	Gas	89.4%
Ariston CLAS NET ONE 38	Condensing	Gas	89.4%
Ariston CLAS ONE 24	Condensing	Gas	89.4%
Ariston CLAS ONE 30	Condensing	Gas	89.4%
Ariston CLAS ONE 38	Condensing	Gas	89.4%
Ariston CLAS SYSTEM ONE 18	Condensing	Gas	89.4%
Ariston CLAS SYSTEM ONE 24	Condensing	Gas	89.5%
Ariston CLAS SYSTEM ONE 30	Condensing	Gas	89.5%
Ariston Combi A 24 MFFI Combi A	Condensing	Gas	89.0%
Ariston Combi A 30 MFFI Combi A	Condensing	Gas	89.7%
Ariston E-Combi 24	Condensing	Gas	88.9%
Ariston E-Combi 30	Condensing	Gas	88.9%
Ariston E-Combi 38	Condensing	Gas	88.5%
Ariston E-Combi evo 24	Condensing	Gas	88.7%
Ariston E-Combi evo 30	Condensing	Gas	88.7%
Ariston E-Combi evo 38	Condensing	Gas	88.7%
Ariston E-COMBI ONE 24	Condensing	Gas	89.4%
Ariston E-COMBI ONE 30	Condensing	Gas	89.4%
Ariston E-System 24	Condensing	Gas	89.0%
Ariston E-System 30	Condensing	Gas	89.0%
Ariston E-System evo 24	Condensing	Gas	88.8%
Ariston E-System evo 30	Condensing	Gas	88.8%
Ariston E-SYSTEM ONE 24	Condensing	Gas	89.5%
Ariston E-SYSTEM ONE 30	Condensing	Gas	89.5%
Ariston Ecocombi 27 MFFI microCONDENS Series	Condensing	LPG	89.7%
Ariston Ecogenus 24 MFFI	Condensing	Gas	87.2%
Ariston Ecogenus 24 MFFI Mk2	Condensing	Gas	88.2%
Ariston Ecogenus 24 RFFI System	Condensing	Gas	87.3%
Ariston Ecogenus 24 RFFI System Mk2	Condensing	Gas	88.3%
Ariston Ecosystem 27 RFFI microCONDENS Series	Condensing	Gas	88.8%
Ariston Eurocombi A/23 MFFI	Non-Condensing	Gas	78.1%
Ariston Eurocombi A/27 MFFI	Non-Condensing	Gas	78.9%
Ariston Excalibur 23 MFFI Excalibur 80 MFFI	Non-Condensing	Gas	80.1%
Ariston Excalibur 27 MFFI Excalibur 100 MFFI	Non-Condensing	Gas	79.4%
Ariston Genus 27 BFFI Plus	Non-Condensing	Gas	78.1%
Ariston Genus 27 BFFI Plus Mk2	Non-Condensing	Gas	80.0%
Ariston Genus 27 RFFI System	Non-Condensing	Gas	79.0%
Ariston Genus 30 MFFI	Non-Condensing	Gas	79.3%
Ariston Genus HE 24	Condensing	Gas	88.9%
Ariston Genus HE 24 System	Condensing	Gas	89.0%
Ariston Genus HE 30	Condensing	Gas	88.9%
Ariston Genus HE 38	Condensing	Gas	88.5%
Ariston Genus HE System 30	Condensing	Gas	89.0%
Ariston Genus Plus 30 BFFI	Non-Condensing	LPG	81.0%
Ariston Intesa TP 23 MFFI	Non-Condensing	Gas	80.2%
Ariston Intesa TP 30 MFFI	Non-Condensing	Gas	79.9%
Ariston Microcombi 23 MFFI	Non-Condensing	Gas	80.1%
Ariston Microcombi 27 MFFI Micro Combi Series	Non-Condensing	Gas	79.4%
Ariston Microcombi 27 MFFI MK2	Non-Condensing	LPG	81.2%
Ariston Microgenus 23 MFFI	Non-Condensing	Gas	80.3%
Ariston Microgenus 24 HE MFFI	Condensing	Gas	86.6%
Ariston Microgenus 27 MFFI	Non-Condensing	Gas	80.2%
Ariston Microgenus 28 HE MFFI	Condensing	Gas	86.3%
Ariston Microgenus 32 HE MFFI	Condensing	Gas	86.5%
Ariston Microgenus II 24 MFFI	Non-Condensing	LPG	82.0%
Ariston Microgenus II 28 MFFI	Non-Condensing	LPG	81.4%
Ariston Microgenus II 31 MFFI	Non-Condensing	LPG	81.7%
Ariston Microsystem 10 RFFI	Non-Condensing	Gas	78.2%
Ariston Microsystem 15 RFFI	Non-Condensing	Gas	79.9%
Ariston Microsystem 21 RFFI	Non-Condensing	Gas	80.4%
Ariston Microsystem 28 RFFI	Non-Condensing	Gas	80.3%