For two decades, Tri-State Water, Power, and Air, has helped our customers better their quality of life by providing cutting edge products and superior service. Headquartered in Cape Girardeau, Missouri with fully staffed offices in St. Louis, Shreveport, LA., Longview TX., and coming soon to Central Arkansas. Tri-State offers water purification systems, whole home standby generators, tankless water heaters, solar water heaters, heating and cooling systems, solar power systems and bathroom remodeling systems. If you don't know us and you are here for the first time, come on in, look around, and see why Tri-State is the people's choice for indoor health and comfort. If you have allowed us to serve you before, take a look around at what's new and how we can further assist you. Welcome to the clean, pure, comfortable world of Tri-State Water, Power, and Air.