The right air purifier or dehumidifier for basement which remove smell , mold and poor air quality . Most of the  people complain about uncomfortable  or poor air circulation in their basement. Lack of ventilation and dampness causes such problem in the basement. And many of them have converted their basement into a regular living space. With significant time being spent in basements, it is important to focus on air quality in your basement, particularly as basements often have many problem points that can contribute to poor indoor air quality. The air molecules present in the damp air are heavier than the molecules of the normal air. This affects air circulation. Basement dehumidifiers are now available and help in proper air circulation and adequate ventilation. Dehumidifier as an efficient humidity controller draws water vapor from the air and collects them in its tank by condensation and dispenses the water through a drain pipe.