A:AnswerThis model does not currently carry an ENERGY STAR certification. However, it has been thoughtfully designed with energy efficiency in mind to deliver powerful air purification while minimizing energy use.
A:AnswerYou can find replacement filters by searching for Shark Air Purifier HC450 filters. If you’re unable to locate them, please contact Shark Customer Support at 1-855-427-5127 (Mon–Fri: 9 AM–9 PM ET | Sat: 9 AM–6 PM ET).