Home Humidifiers

How to find the best allergy humidifier

The Online Allergist is often asked questions from people looking for the best humidifier. Is a cool mist humidifier better than a warm mist humidifier? How will a mist humidifier in my home help me? Check out the Online Allergist's answers below. Then choose from the selection of best rated humidifiers presented here or read reviews and the Humidifier Buying Guide. Find all the information you need from home humidifiers to portable humidifiers, and brand names such as Air O Swiss humidifiers, Germ Guardian humidifiers, Enviracaire humidifiers - and more!


Maintaining the optimal humidity

Maintaining the optimal humidity in the home is of great importance to everyone, especially children and adults who suffer from a nasal allergy or a respiratory allergy. If the relative humidity in your home is too low, the use of a mist humidifier (either a cool mist humidifier or warm mist humidifier) can play an important role in increasing and maintaining the proper humidity within home.

How do home humidifiers help?

The nose, sinuses, and skin rely on the proper moisture levels to maintain good health. When indicated, a home humidifier can be very helpful toward maintaining optimal respiratory and skin health. If the ambient air is too dry, the lining of the sinuses can also become too dry, impeding the normal flow of mucous in the nose and sinuses. The result is likely to be nasal congestion and sometimes snoring. Dryness in the nose and nosebleeds are a clue that the indoor humidity may be too low. Low humidity can also result in dry, itchy eyes. Flaking, dryness, and itching of the skin can also be an indication that extra humidity is needed. If this is the case, a cool mist humidifier or a warm mist humidifier may be very helpful.

What is the difference between a cool mist humidifier and a warm mist humidifier?

There is generally no significant advantage of a cool mist humidifier over a warm mist humidifier, or visa versa. The preference of warm mist humidifier versus a cool mist humidifier is generally just that, a matter of preference. Warm mist humidifiers either boil the water, or heat it up significantly, before releasing it into the air.  Humidifiers that actually bring the water to a boiling point have the advantage that they are able to remove 99.99% of the bacteria, viruses, or mold that can be present.  The warm mist that is released may or may not be comfortable depending on your location and time of year.  Additionally, being that the water is very hot, homes with small children might want to avoid warm mist humidifiers.  Cool mist humidifiers do not heat up the water.  They release a cold mist into the air.  It is worth noting that most evaporative humidifiers, like the Vornado Evaporative Humidifier, are cold mist humidifiers.  Many humidifier models, like most of the Air O Swiss humidifiers, have both a warm mist and cool mist option, enabling you to choose the setting you want for any season of the year.

Ultrasonic Humidifiers

Home humidifiers have become quite sophisticated and many humidifiers now have important features and options other than just a choice of temperatures. For example,  ultrasonic humidifiers produce ultra-fine and ultrasonic water particles while possessing antimicrobial functions.  They are able to spray mist into the air using tiny ultrasonic vibrations. These vibrations also kill most microbes in the water. Ultrasonic humidifiers come as either cool mist humidifiers, warm mist humidifiers, or dual function.  The Air-O-Swiss 7135 Ultrasonic Humidifier is an excellent ultrasonic humidifier and also stands out as being extremely quiet.  The Vornado Ultrasonic Humidifier is another great choice.

How do I find the right humidifier?

There are many types and sizes of home humidifiers available for purchase. A portable humidifier can be convenient to move from room to room or to take to an office.  While the room humidifier is very popular, a whole house humidifier can also be an option. You can take a look at the humidifier comparison chart or the humidifier buying guide as a first step toward finding the best humidifier to increase the humidity in your home, and bring relief to respiratory or nasal allergy symptoms.  The top rated and best humidifiers reviewed include:

Air O Swiss humidifier
Germ Guardian humidifier
Enviracaire humidifier

How do I measure the humidity in the home?

In order to monitor the humidity in the home, one should consider purchasing an accurate and inexpensive humidity gauge called a hygrometer. A hygrometer is a simple device, similar to a thermometer, which can be very helpful in trying to maintain the optimal indoor humidity for good health and is a great accessory for your home humidifier.

Allergy and Air Products