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The Home Depot

5 Air Conditioning Zone Control Tips

Pro Referral > Home Guides > Heating & Cooling > 5 Air Conditioning Zone Control Tips
5 Air Conditioning Zone Control Tips

There are new air conditioning units available that allow you to set zones. This is meant to be more efficient as well as a great way to keep all parts of your home the right temperature. When you pair this type of cooling system with a programmable thermostat you can save money and always keep things at the perfect, comfortable temperature.


You can check out the various local and federal government programs offering tax incentives for streamlining your air conditioning. The CA government site lists things specific to California and Energystar can point you in the direction of federal deductions.


There are a few things to learn if you are new to the zone controlled air conditioning. It might take a little getting used to, but once you do you can really control the climate in your house.

  1. Adding fans can really help increase circulation and make the climate more tolerable for everyone.

    1.Check Your Dampers

    Dampers are what limit the air going in certain directions. They are usually structured with the thermostat but some are constantly fluxed as to keep air out of an area. If you are having trouble with your zoning, this is the first thing to check.

  2. 2.Keep Your Areas Together

    Even with Zones, depending on the number of ducts you have, there is only so much that can be controlled. Make sure you cooler and warmer zones are together or that you have enough dampers between them so you can keep a handle on the temperature.

  3. 3.Strategically Place the Thermostat

    Make sure the thermostats for the different zones are strategically placed. If you want the warmest room in the area, such as a kitchen or room with lots of windows, to be the coolest, than the thermostat should be in there. In the bedroom zone, the thermostat should be in the largest room if you want the other rooms colder.

  4. 4.Ensure Your System is Large Enough

    Even with zoning, your system still needs to be large enough for all your space. The re-piping of the air does not reduce the stress on the air conditioning unit. If you don’t have enough BTUs for your space you will never be able to cool your home to the desired level.

  5. 5.Consult a Professional

    Zone units are best installed by professionals. They can be quite tricky between the mechanics of the unit, the dampers and the setting of the thermostats. As with most central air units, you can do much of the maintenance on your own, but hiring someone to handle the installation is usually the best option.


    You will likely be able to reduce your electricity bill significantly by changing your cooling plan. No matter what system you choose, you should be able to get various rooms at different temperatures without causing too much strain on your air conditioning unit. Most importantly, be reasonable with what you expect your cooling system to do, adding fans can really help increase circulation and make the climate more tolerable for everyone.

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