Presentations focus on importance of dehumidification in pool areas

Dantherm, a provider of dehumidification, ventilation and mobile heating and cooling solutions, conducted a seminar on dehumidification systems, on April 9 at the Le Meridien Hotel, Dubai.

Sanjiv Sachdeva, Managing Director, Gulf Engineering System Solutions (GESS), opened the seminar and spoke about the concept and different applications of dehumidification. He highlighted that a refrigeration dehumidifier was more efficient for commercial dehumidification, which had applications in room design condition of 23°C with 50% relative humidity (RH) and dew point temperature (DP) of 12°C. On the other hand, he continued, a chemical dehumidifier was more suitable for process dehumidification, which had applications in room design condition of 20°C with 40% RH and DP of 5.8°C.

Niels Erik Larsen, Manager, Dehumidification, presented the company’s CDP line of pool dehumidifiers. Saying that they were suitable for use in pools, spas, therapy pools, changing rooms, wellness centres and hotels, he enumerated their several advantages:

• They operate at a low noise level due to silent fans, exact air flow and high degree of insulation
• Being built with high-quality core components, they have a long lifetime
• They are energy efficient owing to efficient fans and compressors
• They have pleasing designs and flexible installation possibilities

Explaining adverse consequences of not using dehumidifiers in pool environments, Larsen said, “Cold bridges, diffusion and leaks can cause major structural consequences, like moulds, fungus, rot and, worst, the collapse [of the structure] due to large accumulations of water in the ceiling and roof.” Pointing out that chlorine used in water treatment might pose serious danger to athletes who are regularly exposed to it, he added, “Asthma is a problem among athletes, and mould, fungus and rot can create serious illness.”

Larsen ended his presentation with some recommendations:

• Keep the air temperature 2°C higher than the water temperature to limit the chances of evaporation
• Maintain a 60% humidity set-point
• The pool hall needs to be supplied with fresh air
• The air needs to be circulated three to 10 times per hour
• Refrain from introducing air directly over the water surface
• Maintain a well-designed air distribution system to avoid stationary air in the corners

Niels Nautrup, Manager, Ventilation, Dantherm, on his part, discussed the DanX swimming pool air management system. Saying that the system offered a wide range of benefits – from improved air quality to the elimination of the smell of chlorine in pool rooms – he pointed out that the system could be designed to accommodate any requirement. In his presentation, Nautrup covered several models of the DanX line.