HSC Associates Inc
Heating & Air-Conditioning
Ithaca NY
HSC Associates Inc
HSC Associates Main Image
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We Are an Independant Lennox Dealer
607 273-2180


Warm Air Zoning


Image of Harmony111 Thermostat

The Harmony III Zoning System is designed for the many ways you use your home. Maybe you're caught up in family "thermostat wars"? Or perhaps there are parts of your home you rarely use? The Harmony III Zoning System Allows you to divide your home into up to four separate areas, giving you the comfort and control you've always wanted.


Harmony 111 zoning
  • Zone 1: Seldom used upstairs bedroom (needs little heat or cooling)
  • Zone 2: Children's upstairs bedroom (high heat in the summer requires additional air conditioning)
  • Zone 3: Home office or exercise room
  • Zone 4: Family room (high-activity area needs extra air conditioning)


Lennox is a residential or light commercial zone control system that enables you to take one heating and cooling unit and provide up to 4 separate zones. Lennox makes the unit much more versatile and provides room by room comfort control while conserving energy.

Lennox has low cost Zoning Systems designed for HVAC systems 5 tons and under. Perfect for multi-level and ranch style homes.

Four Zone System parts
Digitract 4 System Controller

A complete Lennox zoning system consists of:

  • System Controller with Leaving Air Sensor
  • Zone Dampers
  • Zone Thermostats
  • Bypass Damper
  • Transformer


  • 4 zone capability
  • Easy to install
  • Use standard thermostats
  • Simple to operate
  • Round or rectangular dampers
  • Fan control from any thermostat
  • Capacity Control included with controller
  • Gas/Electric or Heat Pump applications

Contact us today to see how we can help you with your heating and air-conditioning needs.

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HSC Associates Inc
618 W. Buffalo Str.
Ithaca, NY 14850
Phone: 607-273-2180