Condenser tumble dryers don’t need a vent hose and should turn all the steam into water. But because they run hot, a condenser dryer will heat the air around it and the moisture in the air will condense on any cold surface such as tiles or even other appliances near by if sited in a garage near a freezer as mine is. If it’s not a high quality dryer it may also allow some moist air from the drying process into the room too. The only answer is to create more ventilation or make the room warmer.
We have a condenser dryer installed in our garage and even though it doesn’t need venting, we always have to open the garage door a little to prevent condensation collecting on the freezer doors.
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