Residential Service Plumber Astar Heating & Air Conditioning | Middletown, NY Experienced plumbers have options. The difference is finding a company that respects your expertise, keeps you busy, and gives you the support needed to solve problems the right way. At Astar Heating & Air Conditioning, our plumbers are trusted professionals who play an important role in the customer experience. We provide steady customer demand, strong dispatch and office support, ongoing training, and the tools and …