Sez Hoo! wrote:
But when you use the two together it will give you the most comfort, which is what you are looking for. The OP said they pay a flat rate for electricity so to run them together is the way to go
Might be paying a reasonable flat rate now for electricity but when he and perhaps others take advantage of the flat rate by consuming higher amounts than normal, they may find their electric flat rates increased to compensate.
Adding heat by using the de-humidifiers and using the A/C to cool the air is sort of counter productive and a waist of resources. :R