The answer to 'when to clean hardwood floor' is that you should clean hardwood floors regularly, typically every 1-2 weeks for high-traffic areas and 1-2 times per month for low-traffic areas. Regular cleaning helps maintain the floor's appearance and extends its lifespan. Start by sweeping or vacuuming to remove loose dirt and debris, then damp mop the floor using a pH-neutral, wood-safe cleaner. Avoid excess water, as it can damage hardwood over time.
It's also important to deep clean hardwood floors periodically, usually every 6-12 months, to remove built-up grime and restore the floor's shine. This may involve using a wood floor cleaner and buffing the surface. If your floors are particularly dirty or damaged, it's best to consult a professional hardwood floor cleaning service for a thorough, expert cleaning.