Core 400S

I have a Levoit core 400S-P, but I’m sure any would work! All the ones I’ve seen in use make a nice white noise sound. And it can stay on all night or it has settings for like 2h, 4h timings. and 4 different intensity levels so you can also make it more or less loud :)

The Allergy "GOAT": Coway Airmega Mighty (AP-1512HH) It’s been the #1 Reddit recommendation for years, and in 2026, it still holds the crown. Why? The bipolar ionizer (which you can turn off) helps tiny allergens clump together so they’re easier to catch. It has a "sensitive" mode that detects micro

Best Overall: Levoit Core 600S The 600S is the top-tier "smart" choice for 2026. It balances massive power with refined sensors. It features the highest CADR (410 CFM) of the Core line and uses AirSight Plus technology to detect and react to pollutants 5x faster than standard models. Best For: Large

Best overall: IQAir HealthPro Plus This is widely considered one of the most powerful residential air purifiers for mold and allergens. It uses HyperHEPA filtration that captures extremely fine particles beyond standard HEPA. It’s especially effective for people with strong mold allergies or respira

top picks are easily levoit core 400s or winix5500-2, they are very efficient and have sleep mode that is extremely quiet. Could go with either one but I'd personally pick levoit, have one at my office and bedroom.