Traditional HVAC systems do have their limitations. They generally only have one thermostat, which means they can only sense the temperature in one room. If part of the house is warmer or cooler than that room — which is fairly common in North Texas homes — the system will not know about the problem. Even if it did, the A/C and furnace can only cool or heat the entire home as a single unit; by fixing the temperature difference in one room, it would make the rest of the house too hot or cold.
Zoning systems provide a solution to this problem, allowing you to precisely control the temperature in each part of the house and cool or heat only the rooms that need it.
How Zoning Works
Upgrading to a zoning system involves two changes:
- Automatic dampers are placed at strategic points within the HVAC duct system, allowing it to cut off airflow to specific parts of the house and redirect that air to other rooms.
- A control system is installed which includes multiple thermostats, with the thermostats spread throughout the house.
With these two changes, the zoning system can sense when one zone is warmer or colder than the others. It can then direct air conditioning or heating to only that zone, without wasting energy (and decreasing comfort) by continuing to cool or heat the other rooms that don’t need it.
Benefits of Zoning
A zoning system can provide several benefits.
- It can account for the different temperature needs of different rooms, such as those that receive a lot of solar heating through windows.
- It increases the energy efficiency of your HVAC system by reducing its workload.
- It allows you to save even more energy by not cooling or heating rooms when they are not in use.
- It can extend the life of your A/C or furnace thanks to the lower workload.
- By saving energy and increasing equipment life, it saves you money.
Our goal is to help educate our customers in the Fort Worth and Arlington, Texas area about energy and home comfort issues (specific to HVAC systems). For more information about zoning systems and other HVAC topics, download our free Home Comfort Resource guide.
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