OSO Hotwater OY

OSO Hotwater OY Since the founding of OSO in 1932 as one of the first welding companies in Norway, OSO has been owned by the Braathen family. We value our customers.

For 90 years, OSO has led the water heater development in Scandinavia. In 1970, OSO was the first in the world to mass-produce stainless steel water heaters. Environment

Since OSO became Norway’s first environmentally sustainable company in 1956, environment has been at the core of our values. The environmental work through more than 40 years has resulted in a highly efficient and automated produ

ction without any harmful emissions and with a minimum consumption of resources. OSO’s products have shown an unprecedented life cycle economy with an average life span of 25 years

OSO Hotwater opened office in Finland in 2022. Values

Over more than 90 years we have built trust – from suppliers, employees and customers. Our products have many advantages such as:

- Extremely low weight
- Low heat loss
- High efficiency
- High corrosion resistance
- Environmentally correct procedures
- Safety
- Experience

OEM (Original Equipment Manufacturing)

OSO delivers complete (direct electric or indirectly heated) products or inner tanks with built-in heating coils to some of the leading suppliers of alternative energy sources in the American and European market. Typical applications are boilers, air / ground source heat pumps or solar collectors. Complete OEM products combine low heat loss, efficient heat transfer through OSO’s own stainless steel heating coils with the well-known OSO quality. Awards

2005 GRIP’s Glassbjørnen honorary award – Environmental work through 30 years

2004 EMTEK award – Best environmental and energy-saving product 2004

2000 Work environment award – for outstanding workplace for the employees

1998 Best environmental report from manufacturing company

1996 Association of house owners Norway – for OSO developed environmental homes

1995 Environment-technology award – Outstanding environmental effort

1995 SCANVAC-award – Scandinavia’s most environmentally friendly company

1990 Product award Norway - for environmental and future-thinking product range

1982 Welding award – for revolutionary welding technique developed by OSO

Certifications

ISO 9001
ISO 14001
ISO 45001
ISO 3834-2 (Sveis)

Mostra Milano
25/03/2026

Mostra Milano

OSO Hotwater Finnbuild messuilla, osasto 6c9
08/10/2024

OSO Hotwater Finnbuild messuilla, osasto 6c9

Heating and Cooling days in Tallin
12/09/2024

Heating and Cooling days in Tallin

OSO Hotwater at Tallin Mustamäe opening
20/03/2024

OSO Hotwater at Tallin Mustamäe opening

OSO Oy Tallinnassa
08/12/2023

OSO Oy Tallinnassa

OSO tänään Tallinnassa
20/09/2023

OSO tänään Tallinnassa

OSO tänään mukana Onninen Tarton tapahtumassa
19/09/2023

OSO tänään mukana Onninen Tarton tapahtumassa

OSO mukana Onnimarkkinoilla, tänään Kuopio ja Maarianhamina
12/09/2023

OSO mukana Onnimarkkinoilla, tänään Kuopio ja Maarianhamina

OSO Hotwater mukana Onninen Kuopion megaexpressin avajaisissa
24/07/2023

OSO Hotwater mukana Onninen Kuopion megaexpressin avajaisissa

Onninen Hockey messut jatkuu vielä tänään
20/05/2023

Onninen Hockey messut jatkuu vielä tänään

Osoite

Niittyvillankuja 4
Vantaa
01510

Aukioloajat

Maanantai 08:00 - 16:00
Tiistai 08:00 - 16:00
Keskiviikko 08:00 - 16:00
Torstai 08:00 - 16:00
Perjantai 08:00 - 16:00

Puhelin

+358405539455

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