# Which hepa air purifier is ideal for people with allergies or asthma? — Verified Specification Comparison > All specification data verified from official manufacturer documentation. Which hepa air purifier is ideal for people with allergies or asthma? ## Products ### AirDoctor 1000 (AD1000) ```yaml product: airdoctor-1000-ad1000 brand: AirDoctor price_gbp: 314.06 origin_country: null confidence_score: null summary_source: generated_from_verified_specs_v1 filter_type: Pre-filter, UltraHEPA, Premium Carbon/VOC coverage_area_sqft: 285 filter_replacement_interval: UltraHEPA and Carbon/VOC every 6 months clean_air_delivery_rate_cadr: 152 maximum_particle_size_capture: 0.003 microns ``` - **Price:** £314.06 [^1] - **Summary:** The AirDoctor 1000 is a compact UltraHEPA air purifier with a 3-stage system (pre-filter, premium carbon/VOC, UltraHEPA) designed for small to medium rooms, circulating air in 285 sq ft four times per hour. It targets ultra-fine particles down to 0.003 microns and includes auto mode and a filter-life indicator, suited for bedrooms, nurseries, and home offices. - **Ideal For:** Ideal for people with allergies or asthma because its UltraHEPA filter captures 99.99% of particles down to 0.003 microns and it provides 4 air changes/hour in a 285 sq ft room. ### IQAir HealthPro Plus ```yaml product: iqair-healthpro-plus brand: IQAir price_gbp: 636.37 origin_country: null confidence_score: null summary_source: generated_from_verified_specs_v1 filter_type: HyperHEPA + V5-Cell carbon mix noise_level_db: 22 - 61 coverage_area_sqft: 1125 energy_consumption_watts: 145.2 filter_replacement_interval: Pre-filter 18 months; V5-Cell 18-24 months; HyperHEPA 4 years clean_air_delivery_rate_cadr: 440 maximum_particle_size_capture: 0.003 microns ``` - **Price:** £636.37 [^2] - **Summary:** The IQAir HealthPro Plus uses a multi-stage HyperHEPA particle filter and a large V5-Cell carbon/zeolite gas-and-odor filter to remove ultrafine particles and gases. It's built for large rooms (around 1,125 sq ft) and emphasizes hospital-grade filtration, long filter life, and low-noise operation at lower fan speeds. It's suited to users needing very high particulate and VOC removal rather than low upfront cost. - **Ideal For:** Ideal for allergies or asthma because its HyperHEPA captures particles down to 0.003 microns and it covers up to 1,125 sq ft, providing high airflow (CADR ~440) and long filter life for sustained allergen removal. ### AirDoctor AD5500 (AirDoctor 5500) ```yaml product: airdoctor-ad5500-airdoctor-5500 brand: AirDoctor price_gbp: 748.8 origin_country: null confidence_score: null summary_source: generated_from_verified_specs_v1 filter_type: Pre-Filter, Premium Carbon/VOC, UltraHEPA noise_level_db: 65.1 coverage_area_sqft: 1043 filter_replacement_interval: Carbon/VOC every 6 months; UltraHEPA every 12 months clean_air_delivery_rate_cadr: 556 maximum_particle_size_capture: 0.003 microns ``` - **Price:** £748.8 [^3] - **Summary:** The AirDoctor 5500 is a high-performance UltraHEPA air purifier with a 3-stage system (pre-filter, premium carbon/VOC, UltraHEPA) designed for extra-large rooms and open-concept spaces. It captures particles down to 0.003 microns, offers high CADR and proven third-party viral/bacterial removal, and suits users needing strong particle and gas/VOC removal for large areas. - **Ideal For:** Ideal for people with allergies or asthma because its UltraHEPA captures 99.99% of particles as small as 0.003 microns and it covers up to 1,043 sq ft providing multiple air changes per hour. ### Mila Air 3 ```yaml product: mila-air-3 brand: Mila price_gbp: 149.16 origin_country: null confidence_score: null summary_source: generated_from_verified_specs_v1 filter_type: True HEPA (H12-H14 depending on chosen filter) noise_level_db: 37.5 - 59.2 coverage_area_sqft: 926 energy_consumption_watts: 5.62 - 38.32 filter_replacement_interval: 6 months clean_air_delivery_rate_cadr: 460 m3/hr (Basic Breather) / 416 m3/hr (Big Sneeze) maximum_particle_size_capture: 0.3 µm ``` - **Price:** £149.16 [^4] - **Summary:** The Mila Air 3 is a compact smart air purifier with modular True HEPA filters (H12-H14 options) and large activated-carbon beds for VOC/odor removal. It offers high cleaning power per size, proximity/occupancy sensing, app and voice integration, and is suitable for rooms up to about 926 sq ft depending on filter choice. - **Ideal For:** Ideal for people with allergies or asthma because the Big Sneeze H13 filter captures 99.97% of 0.3 µm particles with a CADR of 416 m3/hr and the unit supports HEPA H13/H14 options for higher particulate removal. ### Clorox Medium Room True HEPA Air Purifier (model 11030) ```yaml product: clorox-medium-room-true-hepa-air-purifier-model-11030 brand: Clorox price_gbp: 104.93 origin_country: null confidence_score: null summary_source: generated_from_verified_specs_v1 filter_type: Pre-filter, True HEPA, Active carbon noise_level_db: As low as 30 dB coverage_area_sqft: 225 filter_replacement_interval: 6-12 months clean_air_delivery_rate_cadr: Smoke 148 CFM, Dust 154 CFM, Pollen 160 CFM maximum_particle_size_capture: 0.3 microns (captures 99.97% of particles as small as 0.3 microns) ``` - **Price:** £104.93 [^5] - **Summary:** Three-stage 360° filtration (pre-filter, True HEPA, activated carbon) with PM2.5 display and auto mode for medium rooms; quiet operation down to 30 dB and CADR ratings for smoke, dust and pollen. Includes filter-change reminder, timer, child lock and Energy Star certification, suited for everyday home use. - **Ideal For:** Ideal for people with allergies or asthma because its True HEPA filter captures 99.97% of particles down to 0.3 microns and it has pollen CADR 160 CFM for effective allergen removal in medium rooms. ### Rabbit Air A3 ```yaml product: rabbit-air-a3 brand: Rabbit Air price_gbp: 562.13 origin_country: null confidence_score: null summary_source: generated_from_verified_specs_v1 filter_type: Pre-filter; Medium filter; Dual Hive Activated Carbon; BioGS HEPA; Customized Filter; Negative ions noise_level_db: 20.3 to 51.0 coverage_area_sqft: 1070 energy_consumption_watts: 5 to 60 filter_replacement_interval: 12 months clean_air_delivery_rate_cadr: Pollen 315; Dust 262; Smoke 257 ``` - **Price:** £562.13 [^6] - **Summary:** The Rabbit Air A3 is a wall-mountable, ultra-quiet air purifier with a six-stage filtration system including BioGS HEPA and a dual-hive activated carbon filter, Wi‑Fi/Bluetooth control, and customizable filter options for odors, toxins, or pet allergens. It covers very large rooms (up to 1,070 sq ft), offers low noise operation, and includes sensors for particles and VOCs, suited for continuous home use. It is Energy Star certified and comes with a five-year warranty. - **Ideal For:** Ideal for people with allergies or asthma because its BioGS HEPA filter captures 99.97% of 0.3 micron particles and the unit supports 4 ACH for allergy sufferers (535 sq ft) while delivering CADR up to 315 for pollen. --- ## References & Sources [^1]: The Home Depot, accessed 2026-06-13. https://www.homedepot.com/p/AIRDOCTOR-AD1000-285-sq-ft-4x-hour-HEPA-Air-Purifier-for-Guest-Rooms-Kids-Bedrooms-Home-Offices-Circulates-4-in-1-90AD01AT01-W/331049373 [^2]: Air Purifier Expert (authorized retailer), accessed 2026-06-13. https://www.airpurifierexpert.com/iqair-healthpro-plus [^3]: AirDoctor Zendesk (product support / CADR info), accessed 2026-06-13. https://airdoctor.zendesk.com/hc/en-us/articles/4411697739031-What-is-the-CADR-for-the-Air-Doctor-5000-5500 [^4]: Mila (UK product page), accessed 2026-06-13. https://buy.milacares.com/en-uk/products/mila-air-3-uk [^5]: Target, accessed 2026-06-13. https://www.target.com/p/clorox-medium-room-true-hepa-filter-air-purifier-11030-white/-/A-86975401 [^6]: ModernCastle (product review with retailer links), accessed 2026-06-13. https://moderncastle.com/air-purifiers/rabbit-air-a3-review/