Desert Aire, a manufacturer of commercial and industrial humidity and climate control systems, introduces a new guide to provide engineers a resource for designing and retrofitting HVAC systems of indoor pool facilities, natatoriums, aquatic centers and indoor water parks. “A Guide to Integrated HVAC System Design for the 21st Century Natatorium” is a 24-page publication that reviews pool room design considerations. This includes recent breakthroughs in understanding the complexities of maintaining the indoor air quality of an indoor pool facility.