Lowtech Graph lists low-tech options for every need of a home. Here you can compare them, find tutorials to build them, and link them together into a circular system. Why low-tech?
Keeping indoor moisture from settling on cold surfaces, where it becomes mould and rots what it sits on. A household makes several litres of water vapour a day just by living. The options differ in whether they remove the moisture, buffer it in the surfaces, or keep the surfaces warm enough for it not to condense.