 no charge for maintenance parts or labor for ten full years it set it and forget it heating and cooling it works beautifully got about 200 employees at russell's american mechanical and they can offer service today or it's free that means you call russell's american mechanical and they aren't able for whatever reason to be there on the same day they're pretty busy this time of year the service call is free i was talking to the guys matt and logan who were over to my house and