Use the actual rated watts
The label or manual is more useful than a generic estimate.
Use your utility rate
Canadian electricity prices vary by province, utility and time-of-use structure.
Filter cost can exceed electricity
Annual ownership should include replacement filters as well as power.
ENERGY STAR is one comparison tool
Natural Resources Canada lists ENERGY STAR-certified air cleaners sold in Canada.
General consumer information only. Do not mix cleaning chemicals or improvise electrical, chimney, high-access, pressurized, drain or other safety-critical work. Follow Canadian product labels, recall notices and the exact manufacturer’s instructions.