In heating, ventilation and air conditioning (HVAC) systems, around 90 per cent of the total life cycle costs are attributable to operation and maintenance. If you want to make significant, sustainable savings on costs – and energy – then operating cost optimisation from ewz is perfect for you.>
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Welcome to your initial consultation
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Expertise>
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A step-by-step guide to lowering operating costs>
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How you can benefit>
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Here are some examples of successful energy optimisation solutions
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Sprüngli
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A sweet result: we managed to increase energy efficiency and cut costs.
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To the project
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SRF construction project
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Spread the news: we managed to increase the security of supply and reduce operating costs.
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To the project
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St Jakob Foundation
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Solar power from the roof: this enabled us to make Europe's first Minergie bakery even more sustainable.
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Watch the video (in German)
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Stadelhofen Cantonal School
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Our schoolchildren are committed to the climate - but their school buildings are often energy guzzlers. Our energy counselling service gets to work.
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Download PFD (in German)
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Kessler & CO SA
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Energy consulting from the office desk: how we can significantly reduce energy consumption without any investment.
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Download PFD (in German)
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Hitachi Energy
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Great potential for large consumers: Hitachi Energy was able to reduce its electricity consumption by 14 per cent following ewz measures.