Add Room-by-Room Control with a Whole-House Zoning System

AC Direct carries Honeywell TrueZONE zoning system kits and automatic round dampers, the two components that let one HVAC system condition different rooms to different temperatures. A zone control panel reads a thermostat in each zone and opens or closes a motorized damper in the ductwork to send air where it is actually needed, instead of running a single duct zoning system to one setpoint for the whole house.

Whether you are adding zoning to an existing gas furnace, heat pump, or air conditioner, or replacing a damper in a system that is already zoned, this category covers both the control panel and the physical dampers that the panel operates.

Why Choose an HVAC Zoning System?

• Room by Room Control: Each zone gets its own thermostat, so a bedroom can stay cool while the living room runs warmer, all from one HVAC system.
• No Second System Needed: A zoning system routes air from your existing furnace, heat pump, or air conditioner instead of requiring a second complete system for a hard-to-condition area.
• Variable Speed Fan Control: The Honeywell HZ322K panel lowers fan speed automatically when only one zone is calling, instead of running full blower speed to condition a single room.
• Wireless Thermostat Compatible: Both TrueZONE panels support wireless thermostats with an optional adaptor, so zoning does not always mean running new thermostat wire to every room.
• 5 Year Parts Warranty: Every TrueZONE panel here carries a 5 Year Parts warranty on parts.

Finding the Right Zoning Components

A complete zoning system needs a control panel plus one damper for every zone beyond the first. Match the panel to your zone count, then order a damper sized to each additional zone's duct trunk.

Zone Control Panels

• Honeywell TrueZONE HZ221K: Controls 2 zones on a single-stage air conditioner or heat pump system with auxiliary heat.
• Honeywell TrueZONE HZ322K: Controls 2 or 3 zones on conventional gas, oil, or electric forced air systems, or on a single-stage heat pump with auxiliary heat. Includes the panel, an AT140 transformer, and a discharge air temperature sensor.

Automatic Round Dampers

Motorized dampers sized to match your existing round duct trunk, from 5 inches up to 20 inches. Measure your existing duct trunk diameter before ordering. Each zone beyond the first needs its own damper.

What to Look for in a Zoning System

• Number of Zones: Count the areas that need independent temperature control, not the number of rooms. The HZ221 covers 2 zones; the HZ322 covers up to 3.
• Damper Count: You need one damper for every zone beyond the first, sized to the duct trunk feeding that zone.
• System Compatibility: Confirm your furnace, heat pump, or air conditioner uses conventional thermostat wiring before ordering a panel built around it.
• Fan Control: Variable speed fan control keeps a single zone from getting blasted with full system airflow while the rest of the house is not calling.
• Wired or Wireless: Decide whether you can run new thermostat wire to each zone, or need the wireless adaptor option instead.

Already running a ductless multi-zone mini-split system instead of ducted zoning? That system handles zone control differently and does not use these panels or dampers. If you need help laying out zones and duct runs from scratch, our ductwork design service can plan it before you order. Upgrading air quality at the same time is common on a zoning job since the ductwork is already open; see our media air cleaners if that is on your list too.

AC Direct: Your Source for Whole House HVAC Zoning

We have sold HVAC equipment direct since 2001, at wholesale pricing with no contractor markup. Every zoning panel and damper here ships from stock, with free shipping on orders over $1,500. If you are not sure how many zones or dampers your project needs, call 866-862-8922 and our team will help you plan it before you order.

Shop Our Zoning Systems Today

Ready to stop conditioning your whole house to fit one room? Shop the zone control panels and dampers above, or get help planning your zoning layout at 866-862-8922.