Industrial Heat Sources (www.IHShotair.com) is the sales and service arm of Miller Weldmaster's new line of innovated roofing hot air welding tools, including the Seam Rover DD and ELITEAIR. IHS has built a state-of-the-art service center where its service technicians troubleshoot, diagnose, and repair customer products. Technicians take the time to identify the root cause of issues, correct all problem and then clean the tool, shipping it back to the customer as close to like-new as possible.