Dyson’s engineers borrowed aerodynamic principles from jet engines to create that focused stream of purified air. The built-in sensors monitor air quality in real time, automatically adjusting performance based on what’s floating around your room. Better air quality translates to better sleep, which is something most of us could use more of. What Dyson has done here is take everything they learned from years of air purification technology and compress it into a surprisingly powerful package. Whether you’re sensitive to noise, short on square footage, or just appreciate clever engineering, the HushJet Compact Purifier delivers on its promise to be small but mighty.