Introduction – Healthy Buildings – Materials and Construction Methods – Selection of materials – Criteria for selection of materials – Knowledge of materials – Assessment of materials – Choosing a construction method – Services – Interior climate – Plumbing – Heating systems – Construction – Build correctly from the start – Damp – Radon – Sound and noise – Ease of cleaning – Implementation – Environmental management – Planning and procurement – Economics – The construction site – Recycling construction materials – Heating efficiency – Insulation – Windows – Heat recovery – Architecture – Efficient Use of Electricity – Use of electricity – Appliances – Lighting – Electrical devices – Getting things done without electricity – Clean Water – Hot water – Water supply – Water purification – Waste – Waste from human activity .