AIRDOCTOR AD4000 Smart Air Purifier. Perfect for Large Rooms, Home up to 2,776 ft2. Removes Allergens, Smoke, Dust, Mold, Pet Hair, Odors, Pollen. Hospital-Grade UltraHEPA & Premium Carbon Filtration

Price: $729.00 - $517.59
(as of Oct 11, 2026 01:26:59 UTC – Details)


AIRDOCTOR AD4000 Smart Air Purifier. Perfect for Large Rooms, Home up to 2,776 ft2. Removes Allergens, Smoke, Dust, Mold, Pet Hair, Odors, Pollen. Hospital-Grade UltraHEPA & Premium Carbon Filtration
Product Dimensions ‏ : ‎ 19.7 x 32.3 x 19.7 inches; 20 pounds
Item model number ‏ : ‎ AD5000H Pet
Date First Available ‏ : ‎ July 10, 2026
Manufacturer ‏ : ‎ AIRDOCTOR
ASIN ‏ : ‎ B0H8FQRWTY
Best Sellers Rank: #325,670 in Home & Kitchen (See Top 100 in Home & Kitchen) #359 in HEPA Filter Air Purifiers
Customer Reviews: 4.9 4.9 out of 5 stars (11) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
IDEAL FOR BEDROOMS, KITCHENS & LIVING ROOMS Ideal for large bedrooms, kitchens, and larger shared spaces. Rapidly cleans 630 ft2 in 15 minutes & up to 2,520 ft2 in 1 hour, delivering consistent purification where you sleep, work, and relax.
HOSPITAL-GRADE ULTRAHEPA FILTRATION AirDoctor AD3500 uses UltraHEPA filtration to capture 99.99% of airborne particles at 0.003 microns, 100x smaller than the HEPA standard. Removes allergens, dust, smoke, mold spores, pet dander, bacteria, and viruses.
PREMIUM ACTIVATED CARBON FILTER FOR GASES & ODORS Reduces toxic gases, odors, pet smells, cooking fumes, gas emissions, wildfire smoke, and VOCs. Made with activated carbon and potassium permanganate to absorb and break down gases and airborne chemicals.
REMOVES COMMON INDOOR AIRBORNE POLLUTANTS 3-stage filtration, backed by rigorous third-party testing, removes dust, allergens, smoke, mold spores, pet dander, pollen, and odors. Includes a Pre-Filter, Premium Activated Carbon filter, and UltraHEPA filter.
AUTO MODE WITH AIRDOCTOR HALO PM2.5 sensors monitor air in real time while the Halo displays color-coded quality levels. Auto Mode adjusts fan speed and activates Boost when needed. Includes timer, filter indicator, and 4 fan speeds.
PROVEN BY SCIENCE, BACKED BY TESTING Supported by independent third-party testing and built on a commitment to transparency, performance, and scientific validation.
QUIET OPERATION Designed for whisper-quiet performance so you can enjoy clean air without disruption. Runs quietly day and night while you sleep, work, or relax.
SUPPORT YOUR WELLNESS ROUTINE Cleaner air supports better sleep, breathing, and overall wellness. AirDoctor removes airborne irritants so you can breathe easier, sleep more comfortably, and wake up feeling refreshed.
APP CONTROL & SMART AIR MONITORING Control your air from anywhere with the AirDoctor app. Track AQI, PM2.5, humidity, temperature, ozone, and pollen. Get alerts, schedule runs, and activate Boost Mode for a one-hour deep clean.
GENUINE REPLACEMENT FILTERS For 3rd-party tested performance, use genuine AirDoctor filters only. Replace Carbon every 6 months and UltraHEPA every 12 months. UltraHEPA filters are made in Japan for durability, performance, and long-lasting reliability.