The Protocol NP-Series line of indoor swimming pool dehumidifiers are ideal for a large one-piece configuration.
One unit will substitute hundreds of pounds of vapor compression refrigerants commonly used in traditional natatorium dehumidifiers with propylene glycol, which is 95% less expensive than refrigerants.
Seresco USAWeb Site:
Other Heating/Air Conditioning Products
by Titus HVAC
by Mitsubishi Electric Cooling & Heating