New residential & commercial heating & cooling units, residential & commercial service, boiler repair & installation, air filtration systems, professional air duct cleaning, gas & wood fireplaces, states & inserts. All dealers are not created equal, which is why you must be thorough when selecting one. But, here's something that will make your search a little easier. Just look for the Trane comfort specialist badge. It will indicate a Trane dealer of the highest standing.