Tested: Budget Air Purifier Showdown - 99.97% Efficiency for Home & Kitchen In the quest for cleaner air, the battle between budget-friendly purifiers and high-tech gadgets is more than just a numbers game-it's about finding the perfect balance of performance, convenience, and value. This week, we pit four contenders against each other: the WINIX T830, a powerhouse for large spaces; the Upgrade Core 300 filter, a lifesaver for LEVOIT users; the LEVOIT Core 400S-P, a sleek blend of style and air-purifying prowess; and the AIRROMI A2005, a compact solution for smaller rooms. All promise 99.97% efficiency, but their approaches and perks diverge in ways that might redefine your home's air quality journey. The WINIX T830 emerges as the heavy-hitter, boasting a massive coverage area of up to 1,968 square feet. Its True HEPA and carbon filtration combo theoretically traps 99.97% of airborne particles, from pet dander to smoke, while smart Wi-Fi and an air quality monitor keep you in constant sync with your surroundings. Auto mode adjusts speed based on real-time data, making it a no-brainer for busy households. Yet, its size and tech-heavy features might feel overwhelming for those seeking simplicity. Meanwhile, the Upgrade Core 300 filter (compatible with LEVOIT models) steps in as a practical upgrade. Designed for 3-in-1 filtration (True HEPA, activated carbon, and a pre-filter), this dual-pack offering is a budget-friendly fix for users already invested in LEVOIT's ecosystem. It's a niche player, but its affordability and compatibility make it a stellar choice for those avoiding replacements altogether. The LEVOIT Core 400S-P occupies the middle ground, covering up to 1,733 square feet with a similarly robust filtration system. Its HEPA Sleep Mode and AHAM VERIFIED certification reassure buyers, while smart Wi-Fi and a built-in air quality monitor add a touch of modern convenience. The black design is understated, and its auto mode offers seamless operation-a favorite for those who value both efficiency and ease. On the quieter side, the AIRROMI A2005 targets smaller spaces with a serene, minimalist approach. Its HEPA filter tackles 99.97% of pollutants, but the real standout is its 360° intake system and subtle fragrance option (a nod to aromatherapy for better sleep). The white, compact unit includes a night light, blending functionality with a calming aesthetic for bedrooms or cozy kitchens. So, which reigns supreme? The WINIX T830 and LEVOIT Core 400S-P offer broad coverage and advanced features, while the AIRROMI A2005 and Upgrade Core 300 cater to specific needs-size and budget, respectively. Efficiency is a given, but the true winners depend on your priorities: a sprawling home, an existing LEVOIT setup, or a serene bedroom retreat. Whether you're battling allergens or simply craving fresher air, this showdown proves that quality doesn't always mean breaking the bank.