Which whole house air purifier has the largest coverage area?
This page compares 4 whole house air purifiers with verified specifications and prices. Top options include Shark HP300 Air Purifier, Dayette AP401, Blueair Blue Max 3350i. Prices range from £74 to £23,960. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Coverage Area (sq ft) ⇅ | Air Changes per Hour (times/hour) ⇅ | Filter Types ⇅ | Max Particle Size Capture (PM) ⇅ | Energy Consumption (watts) ⇅ | Noise Level (dB) ⇅ |
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Shark HP300 Air Purifier
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£23960.43 ≈ | 1400 | 1 at 1400 sq ft; 4.8 at 301 sq ft | Debris Defense filter; Pet Particle Barrier filter; Activated Carbon filter; NeverChange True HEPA 14 filter | — | 54 | 38.8 |
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The Shark HP300 covers up to 1400 sq ft and uses four filtration layers, including a NeverChange True HEPA 14 filter, debris protection, pet particle filtration, and activated carbon. It suits large homes, open-plan rooms, and households with pets or allergies, with Clean Sense IQ monitoring and odor-neutralizing technology. ★ Ideal forThis model is a strong fit for the whole-house air purifier with the largest coverage area because it covers up to 1400 sq ft and provides one air change per hour across that space.
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Dayette AP401
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£73.86 ≈ | 3000 | 1 | Pre-filter, True HEPA filter, activated carbon filter, net filter | — | — | 22 |
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The Dayette AP401 is a whole-house air purifier with 3000 sq ft coverage at 1 air change per hour and a four-stage filtration system. It suits large homes and people seeking quiet operation, with sleep-mode noise rated at 22 dB. ★ Ideal forThis product suits the question because its stated 3000 sq ft coverage area is designed for large spaces, with 1 air change per hour across that area. |
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Blueair Blue Max 3350i
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£139.56 ≈ | — | 4.8 | Particle and carbon | — | 32 | 23-50 |
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The Blue Max 3350i is a smart air purifier with HEPASilent dual filtration, particle and carbon filtration, app and Wi-Fi control, automatic fan adjustment, and PM2.5 monitoring. It suits bedrooms, offices, and medium-sized rooms, with low noise of 23-50 dB and energy use of up to 32 watts. ★ Ideal forWith coverage listed at up to 86 m² and 4.8 air changes per hour, the Blue Max 3350i is suited to medium-sized spaces but is not the strongest choice for the whole-house purifier with the largest coverage area.
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Eoleaf AltaPur 700
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£553.23 ≈ | 1300 | 3 | Pre-filter, antibacterial bamboo fibre filter, medical-grade HEPA H13 filter, activated charcoal filter, photocatalysis, UVC sterilisation, ionisation | — | 56.8 | 60 |
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The AltaPur 700 is a professional air purifier designed for large homes, offices, hotels, reception areas and medical practices. It combines eight-stage filtration, 360-degree air intake, vertical air distribution, automatic mode and smart controls, making it suitable for large spaces and demanding environments. ★ Ideal forIt suits the search for a whole house air purifier with the largest coverage area because it covers up to 1300 sq ft, delivers up to 670 m3/h of clean air and uses a powerful multi-layer filtration system.
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