These are 3rd party guys they send out and I actually saw the guy put his maroon shirt on in the car after he pulled up. They were advertising a special on hardwood floor cleaning specialist to specifically know how to clean my hardwoods. These particular hardwoods are supposed to be left dull and not have any polish on them. Well he applied paste wax which is the one thing you don't do! I called immediately after he finished and his buffer machine left a thick gray wax all over my baseboard trim. This is over 1000 sf of hardwoods, so... read full review »