Always very professional and polite. Works around my schedule. If they needed to approve on anything I would say have everyone wear foot covers when entering homes. You never know what may be on the bottom of your shoe that may track in someone's home. And someone may have allergies that are impacted by what's on their shoes as well.
We have had Matt coming out for years and he serviced my mom before in the house we live in. Always dependable and if we have an issue he is quick to respond.