Dehumidifiers are designed to remove excess moisture from the room – not cool the air. You will feel more comfortable with dry air because the muggy, heavy moisturized air is gone. But dehumidifiers themselves don't cool your air.

Do dehumidifiers make the room colder?

How A Dehumidifier Works. This is when the hot air gets cycled back into the room as cool air. So a dehumidifier does not generate cold air, but it does help to cool a room. It removes the humidity from the air, leaving the atmosphere cool and comfortable in the home.

How much cooler does a dehumidifier make a room?

A dehumidifier's primary effect is on the humidity levels. Here is an example of what happens if we put one of the best basement dehumidifiers in a room or basement an leave it on for a few hours: It decreases relative humidity from 70% to 40%. It increases room temperature for 0.3°F.