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Humidifiers are great for adding moisture to indoor air that can become dry during the cold, winter months. The most comfortable level of indoor humidity is 30 to 50 percent. Properly sizing your humidifier is crucial for adding the right amount of moisture to indoor air. Humidifiers are available in small tabletop models, room-size, or whole-house models that are installed into your home’s ductwork.

How to Size a Room Humidifier
  • The tank size and output of moisture – These factors need to be considered when you’re shopping for a humidifier. Most manufacturers will include information about each unit’s area coverage. Several types have the coverage listed on the package, which can hasten your search for the correct model.
  • Size of the room – This is a rough measurement, usually given in gallons per day under ideal conditions. Use this information as a guideline when comparing options. Manufacturers use different methods to obtain this number.
Whole-House Humidifiers
  • Stand-alone units – There models can be hooked to your sink, but are not usually recommended because of inconsistencies.
  • Permanent humidifier systems – Professionally installed units are the best option for anyone looking for a whole-house option. A qualified technician can figure out the correct load determination, air exchange rate and other factors for your home that will impact the size of your whole-house system.

Whether you’re looking for a small portable humidifier or a large permanent unit, choosing the correct size is crucial to maintaining the ideal humidity level of humidity in your home. Consult with a professional if you have any doubts before making a purchase that will affect the comfort level in your home.

Please contact NisAir Air Conditioning and Heating with any concerns regarding how to size a humidifier for your home. We have been proudly serving Stuart, St. Lucie and Palm Beach Counties since 1973.

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