Quest. 1: Which type of boiler is fitted to the heating system?

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Quest. 2: Are the pipes/storage tanks for heat and hot water supply insulated?

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Quest. 3: Is the envelope insulated?

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Quest. 4: Does heat recovery take place with equipment with high waste heat rates?

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Quest. 5: Are water-saving fittings used?

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Quest. 6: Are there any fans over 15 years old?

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Quest. 7: Do you have any lifts constructed before 1990?

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