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Step 1
Learn about the different types of whole house humidifiers. There are 3 types of whole house humidifiers: Drum, Flow Through and Spray Mist Systems. They provide humidity in different ways.
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Step 2
Decide on your desired level of upkeep. Drum systems are the cheapest of the 3, but they need cleaning periodically to prevent mold growth. Flow Through systems don't have the mold problem, but they do need cleanings periodically to prevent dirt build up or clogs, and they also require a drainage set up. Spray mist systems don't require regular maintenance, but can gather mineral deposits depending on your water source.
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Step 3
Call a contractor to come by for an estimate. They will need to look at your heating and air conditioning set up and be able to tell you how large of a unit you need, where it is best to install it and which model will work best for you.
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Step 4
Go shopping. Take the information the contractor gave you, if you didn't order the whole house humidifier unit through him, and look for the unit that is going to fit your needs. You can shop online or at home improvement stores.
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Step 5
Compare the brands. There are many brands that make whole house humidifiers, but how do you know which to choose? A lot of it will depend on if they offer what you need. It will also depend on price and warranty. Check out Bel Air Whole House Humidifiers, for a site that compares the brands for you.
