Ariston Ariston Alteas One 30
The Ariston Alteas One is the premium tier of Ariston's residential combi range. With 94% efficiency and a 7-year warranty, it competes directly with Baxi and Ideal at this price point.
Technical Specifications
Key Features
- 94% ErP efficiency
- Digital display
- 7-year warranty available
- 30 kW output
- Weather compensation compatible
- OpenTherm smart thermostat compatible
Best For
3-bed homes wanting Italian quality and a step up from entry-level budget brands.
Supply & installation
Fully installed, inc. flue, filter & VAT — get a personalised quote online.
Get Your QuoteCommon Questions About the Ariston Alteas One 30
Is the Alteas One better than the Clas One?
Yes — better efficiency (94% vs 93%), digital display, and longer warranty. Worth the premium for homeowners staying long-term.
Does Ariston make good boilers?
Ariston's mid-range products are well regarded for European build quality and competitive warranties.
Can I pair the Alteas One with any smart thermostat?
Yes — it has OpenTherm compatibility and works with all major smart thermostats.
Other Ariston Models We Install
Ready to Get the Ariston Alteas One 30 Installed?
We supply and install the Ariston Ariston Alteas One 30 across Corby, Kettering, Northampton, and all surrounding areas.