Canada Smart Air Purifiers Market Size, Share, Competitive Landscape and Trend Analysis Report, by Product Type(Dust Collectors, Fume and Smoke Collectors, Others), by Technique(High-efficiency Particulate Air (HEPA), Thermodynamic Sterilization System (TSS), Ultraviolet Germicidal Irradiation, Ionizer Purifiers, Activated Carbon Filtration, Others), by End User(Residential, Commercial, Others): Opportunity Analysis and Industry Forecast, 2020-2030