My previous experience was with a Honeywell tower but I do not have the device in my apartment anymore. What I am describing is that the Dyson ends up doing a

My previous experience was with a Honeywell tower but I do not have the device in my apartment anymore. What I am describing is that the Dyson ends up doing a better job alone than the Honeywell did. Especially when it comes to the second floor. However, as you said one could quite likely achieve the same result with any air purifier and a strong fan.