Si Informationen
www.si-shk.de
The Si is the largest circulation, practical magazine for German-speaking HVAC tradesman, produced by experts, that gets straight to the point and provides professionals in the market with high-quality, brief and concise information on technology and business management.
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Si is independent, neutral and critical, creates market transparency and provides an added-value for more business success.
The InterRed editorial system provides the technology base for the practical magazine.