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Ariston Genus ONE+ WiFi Boiler – Review

Viessmann Vitodens 050-W Gas/LPG Boiler | Boilerhut
Witten by Bernard Morgan (Engineer) & Adam Apperley (Marketing). Published: March 29, 2021. Updated: February 8, 2024

Boiler only price: from £1,352.14

(Boiler-only price: comparing up to five suppliers, including Screwfix and Plumbase, where possible. Correct January 2024).

The Ariston Genus ONE+ WiFi combi boiler is a compact and efficient, wall-mounted boiler. Below, we’ll go through the boiler in more detail. This will include efficiency, different power outputs and our thoughts.


The Ariston Genus ONE+ WiFi is a combi boiler with an understated white finish and a large touchscreen. It is compact and lightweight for those looking to prioritise space in the home.

This boiler comes in three sizes: 24kW, 30kW and 35kW which gives flexibility for this boiler to fit into a lot of homes.

The Genus ONE+ WiFi comes with a 10-year warranty and integrated WiFi – so need for extra connection boxes. Ariston have also set this boiler up to be voice-controlled when paired with an Ariston E-bus control.

Key Features

  • One of Ariston’s top-performing boilers with an excellent 94% energy efficiency rating
  • Patented Xtratech™ stainless steel heat exchanger, which provides reliability and improved heating
  • Combustion control system enabling the boiler to operate from mains gas or LPG without requiring a conversion kit
  • The boiler comes with smart technology integration equipment via Ariston Net
  • Manufactured in Italy
  • Comes with an extended warranty period of 10 years
  • Operates 1:10 modulation ratio
  • Features a digital pressure gauge, touch buttons, and an aesthetic design
  • A full range of controls, using Ariston’s latest wired and wireless controls
  • Has an energy rating of 94% and an ErP rating A
  • All models have high hot water flow rates, suitable for most home’s water usage
  • Quiet operating volume starting at 51dB

Technical Specification

Manufacturer Ariston
Model Genus ONE+ WiFi
Condensing Yes
Efficiency Rating 94%
Energy Efficiency Class A Rated
LPG Compatible Yes (no conversion kit required)
Warranty 10 years
Power Outputs 24kW, 30kW or 35kW
Hot Water Flow Rates 11, 12.3, 14.1 litres/minute
Mounting Wall mounted
Weight 32kg, 34kg, 36kg
Dimensions 745mm (Height) x 400 (Width) x 385mm (Depth)
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Our thoughts

As a combi boiler, the Ariston Genus ONE+ WiFi is a great option. Perfect for anyone wanting the convenience of on-demand hot water and no hot water cylinder.

This boiler is an Italian-designed boiler that would look good inside or out of a cupboard. It’s relatively small size means you should be able to fit this in many places in your home.

There are three power outputs available. All are suitable for medium to large households with up to 2 bathrooms.

If this boiler is installed in your home you shouldn’t be worried. It’s a great boiler from a good company which is only expanding in the UK. They have great customer service too.

Energy efficiency & performance

This boiler boasts an ‘A’ ErP rating and operates at 94% energy efficiency. Higher energy efficiency ratings mean you will need less gas to run your boiler.

The Ariston Genus ONE+ WiFi has low NOx ratings and a modulation ratio of 1:10. High modulation ratios means a boiler can reduce the power output during operation saving you money.

This Ariston boiler also boasts a patented XtraTech(TM) stainless steel heat exchanger. This heat exchanger has a larger than average pipe system allowing more water to pass through it than other boilers. This single-coil means heat can be transferred very efficiently.

Make the most of smart energy

The Ariston Genus ONE+ WiFi boiler is an advanced system. This model is compatible with Ariston Net, and comes complete with built-in Wi-Fi. It also includes a digital timer for advanced programming. Internet-based weather functionality comes as standard too.

Ariston Net is the brand’s exclusive integrated smart technology. This is manufactured by Ariston and provides a way to digitally control your system.

With Ariston Net you can control and monitor the temperature of your heating and water via an app. It can even be used for diagnostic support if your boiler is malfunctioning.

Made in Italy

The Ariston Genus ONE Net, like the others in the Ariston range, is manufactured in Italy.

The boiler design is durable and robust, with soft edges and a large LCD display featuring touch buttons that are intuitive. Its modern design means it won’t ruin the décor of your kitchen or bathroom after installation.

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