Since 1993, Electronic Design to Market (EDTM, Inc.) has been bringing excellence to the window industry through the creation, invention, and manufacturing of meters for glass testing. We are the leading creators and manufacturers of hand-held glass meters in the world. From our Glass-Chek to our tint meters, our focus has always been on filling a void in the marketplace by inventing a needed product or by replacing poorly designed existing products. With over 70+ years of cumulative experience, we are constantly finding ways to improve the window industry. Some of our industry revolutionizing products include our Window Energy Profiler which allows for easy window performance testing, our Glass-Chek ELITE designed to speed up the window replacement process, and our heat lamp sales demonstrations which improve sales for window manufacturers. EDTM is also the leading supplier in the world on handheld window sales kit meters which provide salesmen reliable units designed to improve sales and build credibility with your consumer. Our product line focuses on four main branches of the Window Industry: Sales Engineers, Window Inspection (Automotive), Window Manufacturing, and Window Repair and Installation. Our products include the Window Energy Profiler, Glass-Chek product line, Low-E Detectors, Draft Sensors, Infrared Cameras, Glass Sample Sets, Thermo-Hygrometers, Infrared Heat Lamps, and Sales Kits to fit all of your window needs. Stop by our website to see the entirety of our product spectrum. If you have any questions, our quality American based customer service is available to address your window replacement, window sales, and window manufacturing needs. Call us at (419) 861-1030 to reach our customer service which is available 8:00 AM - 5:00 PM ET Monday through Friday or leave us a message on our website.