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Comfortable
air temperatures for exceptional home comfort
The Harmony III Zoning System meets the airflow
requirements of one area, without affecting other areas.
And it works with advanced heating and cooling systems,
so it can regulate temperature to as little as one degree*
of the thermostat setting.
Flexible
Divides your home into up to
four different zones
The Harmony III system lets you increase, reduce or shut
off heating or cooling in each zone to match the needs
of your household.
Quiet
Increases your comfort, without
increasing sound levels
The Harmony III system allows your Lennox
equipment to deliver peak performance without
continually operating at peak capacity. Lower speeds
mean lower sound levels.
Feature
How It Works
Solid-State Control Panel
Controls up to four zones in your home
Discharge Air-Sensor Probe
Continually monitors the temperature in the supply airstream
Digital Thermostats
Control temperatures in each zone
(one for each zone)
Vacation Mode
Defaults to Zone 1 thermostat settings, which controls
the temperature for your entire home while you're away
Auto Changeover
Automatically alternates between heating and cooling
during transitional weather
Continuous Fan
Allows continuous fan operation by zone
*Depending on the brand of digital thermostat.
**System provides stand-alone dual-fuel capability.
Provides consistent
HVAC
®
Harmony III
Features
The Harmony III
System delivers the ultimate in
temperature control for the
ultimate in home comfort.
Designed for use with Lennox'
variable speed furnaces, air
handlers, air conditioners, or heat pumps** and digital
thermostat, the Harmony III Zoning System provides
the desired temperature in each zone. The system
includes an easy-to-use control panel, comfort-
enhancing dampers and a duct-mounted sensor that
relays data to the control panel.
How It Helps
Provides desired temperatures and consistent airflow
Helps prolong the life of the equipment
Precisely regulate heating and cooling temperatures
Maximizes efficiency
Delivers enhanced comfort and peace of mind
C reates better indoor air quality
Zoning System
™
Zoning
™
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