The old house door painted the wall white, what other furniture are not, can live?
If you choose water-based paint, only need to ventilate for about a week, because the water paint thinner is water, without organic solvents, basically tasteless.
This mainly depends on what paint you choose, and if you choose oily paint, then at least have to ventilation for three months, because the oil paint contains xylene, formaldehyde, free TDI, VOC and other toxic substances;