What are the whole house humidifiers with the most advanced features?

The AprilAire 620A is a whole-house bypass evaporative humidifier that delivers up to 18 gallons of moisture per day across homes up to 5,300 square feet. It includes an automatic digital humidistat, water recirculation that reduces wastewater, adjustable airflow settings, and a reversible bypass design.

This whole-house evaporative bypass humidifier delivers up to 17 gallons of moisture per day for homes up to 2,500 square feet. It includes a HumidiPRO digital humidistat, automatic humidity adjustment, water-saving operation, and flexible bypass installation features, making it suitable for HVAC systems requiring professional installation.

The AprilAire 720M is a fan-powered whole-house evaporative humidifier delivering up to 21 gallons per day for homes up to 6,250 square feet. It includes a manual humidity control, HydroCore technology, reversible fan installation, and a water-saving recirculation system, making it suitable for larger homes with forced-air HVAC systems.

The AprilAire Model 700 is a fan-powered, duct-mounted whole-house humidifier that delivers 18 gallons of moisture per day and covers tightly constructed homes up to 5,300 square feet. It includes an automatic digital humidistat, onboard humidity sensing, an outdoor temperature sensor, and automatic HVAC fan activation, making it suitable for large homes with ducted HVAC systems.

The AprilAire Model 800 is a high-output whole-house steam humidifier capable of producing up to 34.6 gallons of moisture per day and covering homes up to 10300 square feet. It includes a Model 62 digital automatic humidistat, dual-sensor automatic operation, and an outdoor temperature sensor, making it well suited to large homes, arid climates, and homes with special humidity needs.

The AprilAire Model 700 is a fan-powered, whole-house evaporative humidifier rated for 18 gallons per day and coverage of up to 5,300 square feet. It includes an automatic digital humidistat, onboard humidity sensing, and an outdoor temperature sensor, making it well suited to homes with ducted HVAC systems.

This whole-house fan-powered evaporative humidifier delivers up to 18 gallons of humidity per day and covers homes up to 3000 square feet. It includes a HumidiPRO digital humidistat, adjustable installation configurations, a slide-out pad design, and water-saving operation that runs only when humidity is needed.

The HM750A1000 is a whole-house electrode steam humidifier that delivers up to 11 gallons per day at 120 V or 22 gallons per day at 240 V. It includes a HumidiPRO digital humidity control, supports duct or wall mounting, and uses self-diagnostics for easier installation and servicing.

The AprilAire 620A is a whole-house bypass evaporative humidifier rated for 18 gallons per day and homes up to 5,300 square feet. It includes automatic digital humidity control, water-saving recirculation technology, adjustable damper positions, and a replaceable HydroCore water panel, making it suitable for large homes with compatible forced-air HVAC systems.