Ralph Kittler, P.E., is vice president of sales at Dehumidified Air Solutions (DAS), Montreal, Quebec. Kittler is the co-founder and former vice president of sales/marketing at Seresco Technologies, an Ottawa-based mechanical dehumidifier manufacturer brand of DAS. Kittler, is an ASHRAE Distinguished Lecturer and the reviser responsible for Chapter 25 (“Mechanical Dehumidifiers and Related Equipment”) for ASHRAE’s 2012 Systems and Equipment Handbook. Kittler recently created a video that qualifies as a Professional Design Hour (PDH) continuing education credit for HVAC engineers and contractors. The video is based on a publication he authored, Natatorium Design Manual. Both the video and the manual are free and available for download at www.serescotechnologies.com. Kittler can be reached at ralphkittler@dehumidifiedairsolutions.com.