Claims Reviewed

• The Honeywell Allergen Plus 4-in-1 HEPA Air Purifier (model HPA4300B) holds a real, confirmed, exact-product ENERGY STAR certification, verified by the US federal government (EPA/DOE). Confirmed via direct browser query of the official ENERGY STAR Product Finder, exact match on model HPA4300B. Real, government-verified performance: Room Size 355 sq ft, Annual Energy Use 185 kWh/yr, Integrated Energy Factor 7.4 cfm/Watt, Smoke CADR 229, Dust CADR 238, Pollen CADR 245, PM2.5 CADR 233. Source: https://www.energystar.gov/productfinder/product/certified-room-air-cleaners/results. Checked 2026-08-22.Supported

Certifications Checked