Chronic bronchitis is long-term inflammation of the bronchi that causes a persistent productive cough and airflow limitation. Smoking is the chief risk. Diagnosis relies on clinical history and spirometry. Management centers on smoking cessation, inhaled bronchodilators, pulmonary rehabilitation, vaccinations, and oxygen when needed.
Honeywell sells True HEPA and multi-stage air cleaners in portable and furnace-mounted formats. Compare CADR, room-size guidance, and filter-replacement costs when choosing a model.
Prozone-style devices generate ozone to oxidize odors and some contaminants, but public-health agencies warn ozone can be harmful and is not a reliable substitute for HEPA/activated-carbon filtration. Use ozone generators only in unoccupied spaces and follow manufacturer guidance.
An updated overview of Honeywell air cleaners: common True HEPA configurations, electronic alternatives, maintenance tips, and what to verify before buying.