Humidifiers are engineered to add moisture to dry environments, and according to Medical News Today , "people are more likely to benefit from a humidifier in the cold months, when cold air dries out the lungs, nose, and lips. Also, some types of central heating can dry out the air indoors." With five different types (steam vaporizer, ultrasonic, evaporator, impeller, and central humidifiers) and seemingly endless styles available, we hunted down the 13 best options out there — according to the glowing reviews of air-quality aficionados. Scroll ahead to shop the top-rated humidifiers that will turn your dry winter spaces into hydrated, self-care oases.