 For the 1234YF system, it's $145.95. So if your air conditioner is not working like it should, come see us at Stotts Automotive next to Waste Management on Highway 61 South. Neogas is now Vicksburg's locally owned and operated Cummins Generator Distributor. They sell, install, and service Cummins generators throughout the Southeast. They also sell propane, tankless water heaters, propane fireplace systems, and infrared heaters. But they do a lot more than that.