The answer to 'hardwood floor greasy' is that a greasy or oily residue on hardwood floors is typically caused by cooking oils, pet accidents, or improper cleaning products. Symptoms include a slick, slippery feel and a dull, hazy appearance. To solve this issue, you'll first need to identify the source and then use the appropriate cleaning methods.
For minor grease or oil stains, you can often clean the floors yourself using a pH-neutral hardwood floor cleaner and a microfiber mop. Avoid using harsh chemicals or abrasives, as these can damage the wood finish. If the grease has soaked into the wood or the floors are severely discolored, it's best to call in a professional hardwood floor cleaning service. They have the specialized equipment and expertise to deep clean and restore the floors without causing any further damage.