Home Humidifiers

Humidifiers can be added to most furnaces. This will replenish the humidity from the gas furnace drying air out the indoor air during heating season. We sell Aprilaire humidifiers and they really work! Humidifiers come in 4 sizes based on the size of your home. TDH Mechanical, Inc. sells and supports Aprilaire humidifiers made by research products. 6 decades in air quality business.

Evaporative Power Humidifier - 700 Series

Model 700 humidifiers are attached to the warm air up-flow supply plenum on forced air furnaces and heat pumps. The Model 700 is our most efficient evaporative humidifier. It’s easy to install and a great choice for systems with low or variable speed air handlers.

Model 700A
> Automatic
> 18gpd
> good up to 2200 sq. ft.

Model 700M
> Manual
> 18gpd
> good up to 2200 sq. ft.

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Aprilaire Evaporative Bypass 500/600 series Humidifier

Evaporative Bypass Humidifiers - 500/600 series

Bypass humidifiers offer high efficiency, simple design and minimal maintenance. Bypass humidifiers are available in multiple sizes depending on need and HVAC system. Bypass humidifiers can be installed with an automatic or manual control and require maintenance just once year.

Model 600A
> Automatic
> 17gpd
> good up to 2200 sq. ft.

Model 600M
> Manual
> 17gpd
> good up to 2200 sq. ft.

Model 500A
> Automatic
> 12gpd
> good up to 1800 sq. ft.

Model 500M
> Manual
> 17gpd
> good up to 1800 sq. ft.

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