Dan Haglin

Dan Haglin of FDR Design

Dan Haglin is the vice president of FDR Design in Buffalo, Minnesota. He has been with the company for 16 years and is responsible for creating new gas filling and testing machines. Haglin is also involved with several FGIA, IGCC and ASTM task groups. Opinions expressed are the author's own and do not necessarily reflect the position of the National Glass Association or Window + Door.

Gas Fill 101: Gas fill options for IGUs

The goal in using any of the three fill gases--xenon, krypton and argon--is to lower the thermal conductivity and lessen heat conduction through the cavity.