Norway's best-selling water heater gets even better

Water heaters from the SAGA series have been Norway’s best sellers for a number of years, and is now available in markets across the world. Now we are launching the next generation of water heater – SAGA 2.0 – with the market’s lowest heat loss.

World-class water heaters

Since 1932, OSO Hotwater has been producing water heaters of the highest quality. From our factory in Hokksund, we supply Norway and the rest of the world with water tanks that provide stable hot water and low heat loss.

Water heaters from OSO Hotwater are energy-saving, environmentally friendly, and long-lasting. This is beneficial for consumers, industry, and the environment.

Smarter hot water with the smart water heater from OSO

SUPERCHARGED and CHARGE Retrofit are smart control products that help you heat your water heater when electricity prices are low. They are based on prices from the Nord Pool electricity market and your hot water consumption.

Domestic

The market’s widest range of stainless steel water heaters for residential use, with leading quality and lifespan.

Commercial

A complete range of commercial stainless steel water heaters from 300 to 15,000 liters.

Marine

Proud supplier to the marine and offshore industries, where the environments impose extreme quality demands.

Two out of three homes in Norway have chosen an OSO water heater to provide them with hot water and well-being.

Quality

Throughout 60 years we have perfected the stainless steel heater. The combination of material choice, robotized production and intelligent solutions gives the OSO products unbeatable lifetime.

Energy efficiency

OSO heaters have the lowest heat loss on the market, and are designed to give maximum performance. This gives our products the lowest power consumption and a unique lifespan economy for our customers.

Environment

50 years of efforts and investments to unite people, environment and industry, and for this given several awards. In three generations our objective has been the same: Protect Our Beautiful Planet!