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.
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.
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!
Norway’s first autogenous welded storage tank is produced at Oslo Svesiebedrift
Welded cooking pots and wood boilers complements the range of products
Development of wood-burning boilers which provides both heat and hot-water
Production of potato collector cogs and planting equipment during the war
Production of copper-lined storage tanks 200 – 50,000 litres resumes
Provision storage tanks tripled the capacity while only taken half the space
“TRIPLEX” and “COMPACT” heating units for oil and wood/electrical units
“NORTHEM” integrated heating unit and storage tanks is launched
The “SAFE” system – triple-valve and surface mounted thermostat is introduced
Heaters heated directly by electricity simplifies installation and operation
First in the world to produce stainless steel storage tanks which increases lifespan.
The “SUNSAVER” solar-heated storage tanks are launched
Top-mounted mixing valves becomes standard, resulting in huge resource savings
The tank-in-tank unit “PROGRESS” water heater line is introduced for heat pumps
The “TURBO” system with plate exchanger revolutionises heat-up times
The “EXPRESS” storage tanks with flip/flop thermostat heats water 3 times faster
The “UNIVERSAL” electric boilers 15-45 kW without contactors makes installation easier.
“THERMO TOP” reduces heat loss from standard storage tanks by 20%
The “MAXI” large storage tanks 500-1000 liters becomes industry standard
The warranty is doubled on the stainless steel pressure tank
The new “ECO FOAM” insulation saves more than 500 million kWh in 10 years
“ENERGY SAVER” for grey water reuse results in huge Energy Efficiency savings
OPTIMA serien tredobler kapasiteten og øker virkningsgraden for alle varmepumper
“EXPANSION” is introduced with a fully integrated expansion solution
“EXPANSION” is introduced with a fully integrated expansion solution
OPTIMA TRIPLE COIL er bransjens mest avanserte varmesentral med unike fordeler
As a consequence of the implementation of the ErP directive in Norway,
integration of vacuum panels improves insulation
DELTA serien oppnår ErP rating A – verdens best isolerte beredere
The “DELTA” series receives rating “A” from ErP – best in class
NANOPUR isolering og bruk av VACUUM paneler sparer 200 mill. kWh over 10 år
OSO Manufacturing AB starts production of large size heaters in stainless steel, with volumes up to 15,000 liters!
OSO releases “VERSA“, “WALLY“, and the “OPTIMA” series
Development never stops, and OSO has a lot we are looking forward to share with our customers in the future!
Over 85 years OSO Hotwater has earned the trust from suppliers, co-workers and customers. We are still going to earn, and manage, this trust in an exceptionally good way, and value the opinion of our partners.
Our guiding targets:
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A number of the products on the OSO Hotwater website may be or are protected by patents or trademarks. This includes both production technology and / or complete products. These may be specified in the site’s texts, but are not required to be protected by the patent. The underlying technology for the production of the product may or may not be the property of OSO Hotwater.
It is to be noted that all violations of OSO Hotwater Group AS’ rights will be subject to legal prosecution.
Information about the legal terms relating to our web site
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Any other use, such as reproduction, translation, processing, arrangement, and any other modification, distribution or storage of this Site in any form and by any means wholly or in part, is not permitted. The information presented on this site will not be accurate, up to date, or current for circumstances surrounding a particular issue. We can not assume any liability for inaccuracies or omissions. Any decisions made based on information contained on this site are at your sole discretion.
Neither OSO Hotwater nor any of OSO Hotwater subsidiaries accept liability for any direct, indirect, special, substantial or other loss or destruction of any nature which may result from access to or use of this site or its content. This notice is subject to and must be interpreted in accordance with Norwegian law.
