10 Best Ozone Purifiers 2025 in the United States

The OdorStop OS4500UV Professional Grade Ozone Generator is designed to purify and deodorize large spaces up to 4500 square feet, making it suitable for commercial properties, gyms, and other large areas. It boasts a powerful 300 CFM fan and variable ozone output ranging from 0.250 to 3g/h, ensuring effective odor elimination from sources like tobacco, pets, cooking, and water damage. The inclusion of UV light enhances its purifying capabilities, and the washable filter adds to its convenience and long-term use.

The Honeywell InSight Series HEPA Air Purifier is designed for extra-large rooms, making it suitable for areas up to 500 sq. ft. It circulates air effectively, providing almost five air changes per hour. This ensures thorough coverage and efficient purification. The combination of a HEPA filter and a carbon pre-filter works well to reduce allergens, smoke, dust, pollen, pet dander, and odors. This makes it a good option for households with pets, smokers, or allergy sufferers.

The Honeywell AllergenPlus HEPA Air Purifier (HPA104) is designed for medium-sized rooms around 155 square feet, making it a good choice if you want to improve indoor air quality by removing allergens like pollen, pet dander, and smoke. It uses a HEPA filter, which is excellent at capturing tiny particles—up to 99.97% of them. The purifier offers four cleaning levels, allowing you to adjust airflow and filtration intensity to your preference. It operates quietly at about 35 decibels, roughly the sound level of a soft whisper, so it won’t disturb daily activities or sleep. The unit also earned the ENERGY STAR label, meaning it runs efficiently without driving up your electricity bill.