For indoor pool, yes. Broan offers a complete line of Light Commercial units for Residential and Commercial applications. The B1600705 (400-700 CFM) offered in the Light Commercial line is specifically designed and constructed to handle the high humidity and chemical laden air generated within small pools water surface between 400 to 900 square feet. For Spas, it requires special design. In both cases we suggest that you contact an HVAC professional.