Yes, you can place a condenser dryer anywhere in your home without worrying about ventilation. However, do not place it in a shed or outhouse, as they cannot function correctly below 5°C.
A condenser dryer won't make a room damp because it collects the extracted moisture in a tank. However, a side effect of running one on a cold day may cause airborne moisture to condensate on cool surfaces, including windows, tile floors and other appliances.
No, a condenser tumble dryer does not require plumbing. The collected water is stored in a reservoir that should be emptied after each cycle
Yes, just plug a condenser tumble dryer in and empty the collected water after each cycle.