Ariston water heater belongs to the Bosch stable. It’s more than just a good-looking water heater. In fact it has some very good qualities and has been designed by the world leader in tankless water heaters. The latest GL series under the Ariston brand has models in 3 sizes: 2.5 gallons, 4gallons, and 6 gallons. You can use the smallest Ariston as a point-of-use water heater for your kitchen sink to get endless supply of hot water.

Whether it is summer or winter, an Ariston water tank helps save both, water and money, without compromising on performance or design. With a 1500 watt element, the recovery time is low, heat loss is minimal with a glass-lined, insulated water tank and the company gives a 6-year warranty on the tank to add to your peace of mind.

Ariston water heater is best suited for consumers that like instant hot water at sinks in their kitchens or bathrooms in their homes. It is an ideal companion for restaurant and office owners as well, because it supplies hot water instantly whenever needed, whatever the demand.

The installation of Ariston water heater is super easy. Just connect to the cold water line and install the unit at the point of use. You can even install the Ariston in conjunction with a larger hot water heater like the Bosch AquaStar mode. Plug the wire into a 110 volt outlet for 2.5 and 4 gallon units and you are ready to go!

Why Choose

1.    Ariston tankless hot water heaters are available in both in gas and electric
2.    Ariston water heater is highly energy efficient
3.    It is very eco-friendly, with very low emission levels
4.    These units are made from recyclable and reusable materials, thus contributing towards the well-being of the environment
5.    Have an average life span of up to 20 years
6.    Help save significant money
7.    Are easy to install and use
8.    Spares easily available

What Do They Specialize In

A part of the Bosch Company, Ariston water heaters have many similarities with their parent. From advanced technology use to eco-friendliness, and energy efficiency, an Ariston water heater boasts of many excellent features that are redeeming and welcome. Here’s a quick look.

1.    Energy efficient: Like the Bosch water heaters, Ariston water heaters are also dedicated being eco-friendly by ensuring they use less energy to heat water. Part of EnergyStar and EnerGuide label program, these water heating units are certified for their energy efficient design that reduces greenhouse gases and protects our environment. An Ariston water heater release less NOx and carbon monoxide because of their improved technology. They also help you save on your energy bills because of their lower cost of operation despite long hours of use. When you buy Ariston water heater you benefit from tax credits worth $1500 or more.

2.   Lightweight water tanks: Fixed with small sized or mini water tanks, the Ariston range of small, point-of-use water heaters is lightweight and compact. Fix them on a wall or on the floor as they don’t take much space and can even be installed in a cabinet or under the sink. This ensures they stay away from plain sight, though they are quite stylish and sleek looking!

Types Of Water Heaters Offered

The Bosch Ariston water heater is available in 3 different types or 3 different capacities.

Ariston GL2.5 with a 2.5 gallon tank – a ‘Point Of Use’ storage water heater, it can easily supply hot water to one sink.
Ariston GL4 with a 4 gallon tank – a ‘Point Of Use’ storage water heater, it can easily supply hot water to two sinks.
Ariston GL6 with a 6 gallon tank – a ‘Point Of Use’ storage water heater, it can easily supply hot water to two or more sinks.

Top Model

Bosch GL2.5 Ariston 2-1/2-Gallon Point-of-Use Indoor Electric Mini-Tank Water Heater

Price:     $159.95
Energy efficiency: 99%


1.    Water storage capacity of 2.5 gallons, enough for one sink
2.    Space saving design
3.    Easy installation
4.    Glass lined water tank for longevity
5.    Light weight and compact
6.    Dimensions – 14x14x10-1/4inches
7.    Superior insulation
8.    Higher efficiency


Like every water heater produced by Bosch, the Ariston range of mini-tankless water heaters are known for their long-life, environmental friendly performance, and super energy efficiency.  Priced between $150 to $250 and less, an Ariston water heater is without any doubt one of the best small tankless water heating unit ever!

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