They are super friendly and just all around great to work with. I wanted a large flash area (enough to cover a full 16x22 pallet) with consistent temp and low electrical requirements. I spoke directly with a tech for about 30 minutes going over all the details and they literally custom built me a panel to my specs (18x24 of actual IR panel, uses less than 20 amps peak, uses 120 vs 208 or 240, etc). The tech said the only "issue" was it would take longer to heat up due to the size vs electrical requirements, which I could care less about. It was also less expensive than any comparably sized used flash I could find and the panel is a true 18x24, not 18x18 with an inch on each side blocked by housing and the 24 inch most of them include referring to the guts of the head, not the element.