Compared: Surprising Tower Fan Insight... 31.5-Inch, HEPA vs. Cooling Season Needs We were intrigued by the claim of a "3 IN 1 Tower Fan" that seamlessly combines cooling, heating, and filtration. The 31.5-inch bladeless design is undeniably sleek, and the HEPA filter’s 99.97% efficiency impressed us. During warmer months, the oscillating 80° range kept air circulating effectively, while the heating function was a pleasant surprise for autumn evenings. The remote control and 8-hour timer added convenience, though we found the cooling modes slightly louder than expected. Still, the dual functionality made it a versatile addition to our home office and bedroom. We appreciated the blend of performance and space-saving design, though the price点 warranted caution. Overall, the fan exceeded our basic cooling/heating needs, proving that versatility shouldn’t compromise quality.