No, higher wattage does not mean more suction power. Wattage is a measurement that describes how much power a unit needs to operate. For example, a 2000w canister vacuum uses 1 kilowatt, or 1000 watts, of electricity every hour. Instead of looking at wattage for information about suction power, examine the model’s airflow specs (measured in cubic feet per minute of CFM). Typically, the higher the airflow, the better the suction.