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Houd uw opdrachtgever scherp! Moderne woninginstallaties zijn zo omvangrijk en complex, dat opdrachtgevers moeten meedenken over de keuzes. Vaak wenden zij zich echter slecht voorbereid tot de installateur, wat leidt tot tijdverlies, onbegrip en ontevredenheid achteraf. Adviseur Sjoerd Eegerdingk bedacht een oplossing waar zowel de installateur als opdrachtgever profijt van hebben.