Tag: indoor air quality

Common facility operational issues are often blamed on the dehumidifier

August 1, 2013

Canada has thousands of indoor swimming pools. Unfortunately, many of them are more problematic than facility operators would like to admit. Too often, the pool’s dehumidifier is blamed and the real cause of a natatorium problem is never discovered nor addressed. Chlorine odours, mould, condensation, or poor indoor air comfort, generally have causes unrelated to the dehumidifier. Instead, they...

New dehumidifier technologies

October 1, 2012

A myriad of new energy-reduction and environmentally friendly dehumidification technologies have been introduced to the indoor swimming pool market in the last 10 years. These innovations not only provide significant advancements in system performance and reliability, but also considerably reduce operating expenses. These systems also provide natatorium owners/operators a quick return on investment (ROI), which has prompted more facilities to consider upgrading their existing dehumidification equipment even before its useful lifecycle is over. For new construction projects, these systems can potentially save hundreds of thousands of dollars over the equipment’s lifecycle.

Operating an Olympic-sized pool

August 1, 2012

By Roy D. Vore, PhD When it comes to water maintenance, a pool is just a pool, right? But how about treating and managing a 50-m (164-ft) Olympic pool with 1,135,624 L (300,000 gal) of water, which must be...

Using ultraviolet (UV) technology to improve water and air quality

March 1, 2012

Various halogens and sanitizers are used to treat waterborne pathogens in pool and hot tub water; however, as frequent reports on recreational water illnesses (RWIs) (i.e. Cryptosporidium [Crypto] and Giardia) and bacteria outbreaks abound in the press, many commercial pool operators and some residential pool owners are now incorporating a supplemental disinfection system (SDS) to assist in water sanitation.

Using various design and construction techniques designed to eliminate moisture problems

December 1, 2011

Recently, MZO Group, an architecture firm based in Boston, Mass., was tasked with a challenging problem—design and build a residential indoor, heated pool in the often cold, snowy Massachusetts climate, a scenario that could lead to significant...

Using large diameter ceiling fans to improve indoor comfort

October 1, 2011

Over the last few decades, several factors have changed the way aquatic facilities condition indoor air. Contributing elements to these changes include the type of chlorine used in the water, the water supply provided by...

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