Hardwood floors are a lifetime investment and will add to the value and beauty of your home as well as increase the salability of your home so proper maintenance is important.
Routine maintenance should include protecting the surface from moisture and heavy wear which creates scratches. There are a few power cleaners on the market such as the 7340 Bissell Flip-It Hard Floor Cleaner.
Periodically clean the floor with a professional wood floor cleaning product recommended by a hardwood floor installer or professional.
Spills and Spots - Spills or spots can typically be wiped up with a damp cloth.
Vacuum or Sweep - You should removed any material that could scratch, gouge or damage a wood floor at least once a week by vacuuming or sweeping.
Monthly - You can clean with an approved wood floor cleaner or wash with warm water and a mild detergent, both are as effective,
DO NOT USE OIL OR WAX BASED CLEANERS.
Protect - Rugs will protect high traffic areas from ware and tear. Window covers will help protect wood floors from fading. Put protective pads on furniture legs so they don't scratch the floor.