Dwellings Design and construction 28 Energy conservation 23 Architecture, Domestic 22 Housing 17 Remodeling 15 Aged 14 History 13 Heating and ventilation 10 Maintenance and repair 9 Architecture 8 Buildings 8 Environmental aspects 7 Interior decoration 7 Labor and laboring classes 7 Ecological houses 6 Energy consumption 6 Defects 5 Designs and plans 5 Older people 5 Psychological aspects 5 Security measures 5 Social aspects 5 Air conditioning 4 Architecture and the aged 4 Barrier-free design 4 House furnishings 4 Patients 4 Social life and customs 4 Addresses, essays, lectures 3