Why use AAA Indoor Air Quality for your heating a cooling needs. How about 40 years of experience and 25,000 satisfied customers to name a few good reasons. We are your duct cleaning specialist, Our commitment to comfort, quality and value has allowed us to become the area's leader in heating, ventilation and air conditioning (HVAC) technology and service.

Residential Zoning Systems

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In a majority of homes you will usually find only one thermostat controlling the comfort levels for the entire house. This thermostat is usually located in a hallway and will keep the hallway at the temperature you set while other areas of the home that are away from the hallway thermostat control, range from too hot to too cold. This has always been the major set back of having only one temperature control.
Zoning puts a stop to this common heating and cooling scenario. 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 you have unoccupied areas thatdo not need conditioning. The Harmony II Zoning System allows you to divide your home into four separate areas, giving you the comfort and control you’ve always wanted.

The Harmony III ® Zoning System works with variable speed home comfort systems to provide customized, room-by-room comfort. It automatically adjusts the volume of airflowproduced by your HVAC system, so that it provides just the right amount of heating andcooling in the right places, at the right times. And unlike conventional zoning systems, it doesn’t create excess airflow, which means it doesn’t direct the extra air to every zone at once. Instead, it balances airflow for total home comfort and harmony.


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Harmony III™ Zoning System
Customized comfort for every corner of the room


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LZP-4 Zoning System
Room-by-room comfort control


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LZP-2 Zoning System
Two-zone heating and cooling

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For new equipment questions or FREE estimates please contact Victoria our Sales Coordinator or John Paul our Residential Products Group Manager, click on either image.
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Controls Entrance | Thermostats | Zoning Systems | Service | Installation

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AAA Heating and Cooling, Inc. | 5017 NE Grand Ave | Portland OR. 97211
Phone: 503-284-2173 | Fax: 503-284-1552 | E-mail: Sales@aaaindoorairquality.com

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