West Coast Plumbing and Air is proud to offer high-efficiency Trane systems so you know you are getting a quality brand furnace, air conditioner, or heat pump system installed in your home.  high efficiency Trane systems so you know you are getting a quality brand furnace, air conditioner or heat pump system installed in your home. We also offer HVAC accessories such as indoor air quality systems, temperature controls, water heaters and trenchless sewer line replacement.