Heating Systems
Expansion Tanks
90+ models — one of the most preferred manufacturers in Europe and Türkiye.
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From expansion vessels to heat exchangers — volume, shape and connection equipment are customizable on all products.
Önaysan serves the heating and white goods industries with four main product families: expansion vessels, dryer condensers, plate heat exchangers, and heat pump condensers & evaporators. With 90+ expansion vessel models, an annual capacity of 2 million condensers and 600,000 plate heat exchangers, it is one of the most preferred manufacturers in Europe and Türkiye.
90+ models — one of the most preferred manufacturers in Europe and Türkiye.
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2 million units annual capacity — the sector leader in Türkiye.
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600,000 plate heat exchangers annual capacity for combi boilers.
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Vent-free drying fin-tube condenser & evaporator pair.
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