The LEVOIT Core 300-P at $89.99 is the best air purifier for most homes — it's the cheapest unit here, carries an AHAM-verified rating, and has more customer ratings than the other four combined.

The Panasonic WhisperFit FV-0511VFL1 is the one to buy for most bathrooms — it is the quietest fan here at 0.8 sones, the only one with a selectable 50/80/110 CFM airflow setting, and the only one with a dimmable LED.

Let's cut to the chase, shall we? You're here to read a review about an air purifier, and not just any air purifier, but the Jowset 1830 sqft Smart WiFi Air Cleaner with an H13 True HEPA Filter. Talk about a mouthful. But let's forget this tongue twister name for a moment and focus on the performance this cutting–edge home appliance delivers. Does it live up to its grandiose name? Oh, you bet it does. What you want when you invest in an air purifier is some sort of mystical

The Levoit Core 300-P is the one to buy for most bedrooms: $84.99, a manufacturer-stated 143 CFM CADR, and a 24 dB sleep mode, sitting at 4.7 stars across 108,259 ratings.

The best furnace filter for most homes is the Filtrete 16x25x1 MERV 11 (MPR 1000) 4-pack — it hits the airflow-vs-filtration sweet spot most residential furnaces are designed for, and at $11.00 per filter it is, oddly, the cheapest way to buy this exact filter.