Product Details

Harmony III™ Zoning System

Room to room temperature control for multi-stage variable capacity equipment

Features

Overview

    Here are some of the top features of Harmony III:

    Excellent energy efficiency can significantly reduce your heating and cooling costs when combined with Lennox' variable speed heating and cooling equipment.

    Four-area zoning helps eliminate hot and cold spots.

    Easy integration with standard heating and cooling systems to provide precise comfort throughout the home, throughout the year.

Energy Efficiency

    • Excellent energy efficiency—can significantly reduce your heating and cooling costs when combined with Lennox' variable speed heating and cooling equipment
    • Automatic changeover—automatically switches between heating and cooling operation, depending upon the demand

Home Comfort

    • Four-area zoning—helps eliminate hot and cold spots
    • Easy integration—works with standard heating and cooling systems to provide precise comfort throughout the home, throughout the year

Performance

    • IAQ monitor—provides useful reminder for proper maintenance of indoor air quality products for improved comfort

Publications

Harmony III Zoning System Homeowners Manual
Harmony III Zoning System Product Brochure

Disclaimer

Certifications

Residential Team

Contact Us for details on our products or to schedule a no obligation, free, in-home estimate.

 

 

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A portion of the content and images on this page were provided by Lennox International Inc. To learn more about heating, cooling and indoor air quality solutions we can offer, please visit Lennox Residential.

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Testimonials

  • We appreciated the fast and friendly service that your company provided, the guys were very friendly and patiently answered any questions we had, they also did a great job cleaning up.  My husband and I will be calling your company from now on and will recommend your company highly.  Thank You  

    Chuck & Jean - Watson, IL.

  • "I want to compliment you for your staff at Merz. The young lady who answered the phone after 8PM could tell I was a desperate housewife –NO AIR CONDITIONING. The young man who made the service call certainly deserves a pat on the back. He was so courteous and efficient. Thank you!"

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    – Carolyn (Effingham)

  • "Thank you for the prompt service I received on my furnace. It was very frustrating to hear it wasn’t working and me down in Florida. Again, Thank You."

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    – Juanita (Effingham)

  • "Thank you for the work done. The two gentlemen that came to do the work were pleasant & nice to deal with when each were here to do their part of the job required."

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    – Raymond (Effingham)

  • "Thanks again for all of your help. We really appreciate the professionalism of your guys and how nice they were while they were out here working."

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    – Jason (Charleston)

  • "Just wanted to thank you and the crew that installed my new AC & furnace, their expertise and skills are much appreciated! The personal touch in keeping my house clean was nice also."

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    – Karen (Robinson)

  • "Thanks so much for your prompt and courteous service. I really appreciated you getting my system in and operational in one day. I am Cool! Also enjoyed the service guys, very helpful. With sincere appreciation- "

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    – Cheryl (Vandalia)

  • "Thank You Merz Heating & Air Conditioning for an awesome job installing our new furnace! Great installation & customer service! If you have heating & air needs give Daryl Smith a call, he's the man!!"

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    – Jenna (Effingham)