When selecting a humidifier, the right choice depends on the type of HVAC system that you use, the size of your home and your humidification needs. As a rule of thumb, fan and bypass humidifiers are moderately priced while high-capacity steam humidifiers are more costly. Our indoor air quality experts at Swan Heating & Air Conditioning can help you select the ideal system.
Fan-powered humidifiers work independently from your heating system because they use their own built-in fan to distribute the humidified air through your HVAC ducts. This allows the system to humidify your home faster. Most fan-powered humidifiers provide 12 to 18 gallons of water vapor per day, even when your furnace isn’t running.
Bypass humidifiers are exceptionally popular. They use your existing ductwork and furnace blower to move humidified air through your home. They can be installed along your supply or return ducts, but the air must flow to your furnace either way. Most bypass humidifiers are moderately priced. Depending on their size and design, they may have a 12- to 17-gallon maximum daily capacity.
Steam humidifiers are the most advanced home humidification systems. They have an on-board boiler that generates steam and distributes water vapor through your ductwork. They’re ideal for larger buildings and homes with specific humidification needs that cannot be met by evaporative systems. Steam humidifiers can generate up to 35 gallons of water vapor daily.