Yes. Puraclenz PCO is safe for use in the presence of humans and pets, so you will be able to confidently keep your family safer from germs, bacteria, mold, and viruses, while having peace of mind, knowing that the product does not produce any effects that could be harmful for your family. It can cover up to 3,000square feet, so depending on the layout of your house, it may be able to cover multiple rooms on different floor.