哪款空气净化器最节能？
| Product ⇅ | Price ⇅ | 滤网类型 ⇅ | 覆盖面积（平方英尺） (sq ft) ⇅ | 每小时换气次数 ⇅ | Clean Air Delivery Rate ⇅ | 最大噪音级别（分贝） (dB) ⇅ | 能耗（瓦特） (watts) ⇅ | 滤网更换周期 ⇅ |
|---|---|---|---|---|---|---|---|---|
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Bosch Air 2000
US
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— | 预过滤/HEPA/活性炭 | 360 | 4.8 | — | 66.4 | 70 | 6-8个月 |
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The Winix 5500-2 / 5510 series uses a multi-stage system with washable pre-filter, activated carbon, True HEPA and PlasmaWave ionizer, AHAM-verified CADR and Energy Star rated for low running costs. It suits medium to large rooms and offers auto mode, air quality sensing and quiet sleep operation. The 5510 is a newer variant adding app support and slightly higher CADR. ★ 适合人群对于追求最高能效的用户非常理想，因为其在最大功率下仅消耗 20 watts，同时提供 106 CFM 的烟雾 CADR 并获得 ENERGY STAR 认证。 |
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Winix 5500-2 (or 5510 variant)
US
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£134.57 ≈ | 可清洗细网预过滤器；可清洗 AOC 活性炭过滤器；True HEPA；PlasmaWave（离子发生器） | 360 | 4.8 | — | 66.4 | 70 | 12个月 |
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The Winix 5500-2 / 5510 series uses a multi-stage system with washable pre-filter, activated carbon, True HEPA and PlasmaWave ionizer, AHAM-verified CADR and Energy Star rated for low running costs. It suits medium to large rooms and offers auto mode, air quality sensing and quiet sleep operation. The 5510 is a newer variant adding app support and slightly higher CADR. ★ 适合人群适合寻求节能性能的用户，因为其获得 Energy Star 认证，峰值功耗约为 70 watts，待机功耗极低（低于 1 watt），同时为可达 360 sq ft 的房间提供 AHAM 验证的 CADR。 |
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AirFanta 3Pro (HEPA with optional carbon)
US
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£145.79 ≈ | HEPA H11；可选活性炭 | 529 | 5 | — | 56.3 | 33.2 | 6-12个月（HEPA）；4-8个月（HEPA+活性炭） |
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Compact, high-CADR portable purifier using four HEPA H11 filters with an optional activated carbon layer for VOCs and odors. Independent tests report CADR ~413 CFM (702 m³/h), low-to-moderate noise and low power draw, making it fast at cleaning medium-to-large rooms. Suits users who want high performance in a small, travelable unit. ★ 适合人群适合注重能效的净化需求，因为它以仅高达 33.2 watts 的功耗提供高 CADR（413 CFM），实现每瓦高净化空气输出。 |
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