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Knowledge

Knowledge about smart sustainability.

Explanations of labels, smart systems and energy saving in real estate, in plain language.

Unsure about a term? Check the glossary.

Blog 27 October 2026 · 3 min read What does an IT-Label cost? How the price is built up A pre-inspection costs from €750 excl. VAT. The price of an IT-Label audit depends on your building. How the price is built up, and how to keep it low.
Blog 22 September 2026 · 4 min read After grid congestion comes data congestion Internet is the fourth utility, next to gas, water and electricity. Why digital capacity matters as much as power, and how to make it measurable.
Blog 24 August 2026 · 1 min read Solar panels, battery and EV chargers working together Solar panels, a battery and EV chargers work best together. With smart control you use more of your own power and avoid costly peaks.
Blog 4 August 2026 · 1 min read Why an empty meeting room costs so much energy With hybrid working, many office spaces are empty for much of the week. Yet they are often still heated, cooled and lit. Occupancy sensors change that.
Blog 17 July 2026 · 1 min read IoT in buildings: connect securely in five steps Sensors and smart meters make a building more efficient, but every device is a possible way in for hackers. Keep IoT secure in five steps.

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