Wohnschutz is a free, no-registration reference site offering more than 317 source-based guides on pests, mould and healthy home hygiene. Its content is organised into 40 topic areas, with practical information to help readers identify problems, assess risks, prevent infestations and choose appropriate responses. Coverage includes household pests such as bedbugs, fleas, ants, cockroaches, moths and wood-boring insects, as well as mosquitoes, wasps, ticks, mites, rodents and wildlife around buildings.

The site also addresses garden pests and plant care, mould and damp, indoor air, water quality, household cleaning, home safety, and housing-related rules and costs. Readers can use identification guidance covering 142 species, alongside advice on prevention, treatment, safe removal and, where relevant, legal considerations. Topics include first aid for insect bites, tick removal, protecting food stores, managing moisture and handling pest or mould concerns.

Wohnschutz states that its guidance is informed by recommendations from organisations including RKI, BfR, UBA and NABU, and presents its articles as clear, practical resources for a healthier home