The Dyson AM09 is part of the Space heater test program at Consumer Reports. In our lab tests, Space heater models like the AM09 are rated on multiple criteria, such as those listed below.
Output: Output is based on the manufacturer's stated wattage rating which was verified during testing.
Room heating: The effectiveness of a heater to heat a standard-sized room, such as a family room, in 15 minutes.
Spot heating: The effectiveness of a heater to directly heat an individual sitting in a room in 15 minutes.
Unbiased: Retailers cannot influence placement.
Ad-free: As an integrated part of Consumer Reports, you shop in a completely ad-free environment.
New products only: You will never find used or refurbished products for sale.
Consumer Reports is an independent, non-profit organization dedicated to helping consumers. We do not accept advertising.