These guys are experts at what they do and how they do it. Replaced my entire furnace and AC in 6 hours. I have 2 units in the attic and I will definitely have them replace the other one as soon as it dies too. They even made a couple of improvements to that unit at no cost to hopefully get that through another 12-18 months for me. Great service. They even vacuumed the attic and the stairs on the way out.