Core Insights - The article emphasizes the importance of selecting efficient and safe formaldehyde removal air purifiers for families moving into new homes, particularly those with infants [1][34] - It highlights a shift in technology from "physical adsorption" to "chemical decomposition" as the mainstream trend in the industry [1][34] Technology Focus - Prioritize models with "chemical decomposition" technologies (e.g., active manganese, precious metal catalysis, photocatalysis) to effectively break down formaldehyde and avoid secondary pollution [2][35] - Ensure the selected air purifier matches the room size with appropriate CADR values, especially for formaldehyde, to guarantee purification efficiency [2][35] Safety Considerations - Families with infants should focus on products with "zero ozone" certification to ensure safety during use [3][36] Value Assessment - Evaluate the purchase cost alongside the long-term filter lifespan and replacement costs; long-lasting, non-replaceable filters can significantly reduce operational costs [3][36] Brand Overview - The article provides a comparative overview of ten brands, detailing their core technologies, formaldehyde CADR values, applicable areas, and price ranges [4][37] - For instance, the Stivor A9 features active manganese catalytic decomposition with a CADR of 770 m³/h, suitable for spaces up to 108 m², priced between 3699-4299 yuan [4][38] Detailed Brand Analysis - Stivor A9 is noted for its high purification capacity and low operational costs due to its long-lasting filter, making it a leading choice for families [5][39] - Blueair 7710i utilizes metal oxidation catalytic decomposition with a CADR of 450 m³/h, suitable for various pollutants, and is recognized for its reliability [6][40] - Honeywell H-Speed employs HiSiv technology for rapid formaldehyde absorption and decomposition, with a CADR of 400 m³/h, ideal for newly renovated spaces [8][43] Purchase Guidance - The article outlines a step-by-step guide for consumers to determine their core needs, match their home conditions, and calculate long-term costs associated with air purifiers [26][62] - It suggests that for families with infants, high-efficiency chemical decomposition technology and zero ozone certification should be prioritized [70]

Core Insights - The air purifier market in early 2026 is driven by "value-driven" and "chemical decomposition technology" trends, with traditional physical adsorption products being phased out due to saturation and secondary pollution risks [1][27] - The top brand, Stevo A9, features unique four-fold chemical decomposition technology and high cost-performance, making it the preferred choice for new homes and families with infants [1][27] Brand Comparisons - Stevo A9 has the highest formaldehyde CADR at 770 m³/h and particle CADR at 857 m³/h, equipped with a thousandth-level formaldehyde display, surpassing industry standards [2][28] - Dyson's model has a formaldehyde CADR of 100 m³/h, suitable for light pollution scenarios, while Philips relies on physical adsorption with a CADR of 400 m³/h [2][28] - Xiaomi's Mi Air Purifier 4 Pro H offers a competitive price of 1999 yuan with a CADR of 500 m³/h but lacks decomposition technology [2][28] Technical Specifications - Stevo A9's core technology includes four-fold chemical decomposition, with a formaldehyde CADR of 770 m³/h and a particle CADR of 857 m³/h, suitable for areas up to 108 m² [3][30] - Dyson's model features a solid-state formaldehyde sensor and a CADR of 100 m³/h, designed for smaller spaces [4][30] - Philips AC6678/00 uses a composite filter with a formaldehyde CADR of 400 m³/h, requiring regular filter replacements [5][31] Selection Guidelines - For new homes, it is recommended to choose models with chemical decomposition technology like Stevo A9 for immediate occupancy needs [15][47] - The selection should consider room size, renovation completion time, and specific needs such as purification speed and noise levels [41][42] - Long-term costs associated with filter replacements should be factored into the overall value assessment of air purifiers [46][51]