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What Are Variable Air Volume Systems?

Variable Air Volume Systems (VAV) are HVAC systems that use electronically controlled fans and dampers to control airflow. These systems make your commercial space more efficient and comfortable, while also bringing costs down. The temperature of your business is controlled by a dynamic change in air quantity, and this is the main differentiator between this and other types of systems.

Using VAV systems, different areas can be given different temperature preferences, depending on what’s going on in them – an office that has lots of people coming and going potentially needs more heat than an office that only has two employees in it, for example. If you’re ready to dive into the world of VAV systems with a team of VAV system experts in Houston, TX, read on.

What Are The Advantages of VAV Systems?

  • The main advantage of variable air volume systems is that they can provide conditioned air to different parts of your building at different times.
  • Variable Air Volume Systems are designed with specific temperature requirements in mind so every area will be heated or cooled according to its needs.
  • They’re much more efficient than their fixed counterparts because they don’t need to reheat or re-cool air that’s already there and staying there.

Variable Air Volume Systems: How Do They Work?

So let’s take a look at how these systems work. The VAV box receives a set point and can be programmed to match it or override it. The variable volume terminal unit (VVTU) takes the commands from the VAV box and distributes them to the supply fan and return fan in each zone.

The supply fan is responsible for bringing conditioned air back into the space, while the return fan brings in unheated or un-cooled air.

The system will start to heat or cool when needed by sending a signal to the VVTU, which then opens the damper and allows airflow into the zone. It will continue to circulate hot or chilled air until the temperature reaches its target.

What Buildings Use VAV Systems?

Commercial buildings such as office buildings, schools, hospitals, retail stores, and even apartment complexes use VAV systems. Generally speaking, buildings with constant foot traffic tend to use variable air volume systems more often than those without. Of course, there are exceptions – for instance, some office spaces only need the heating or cooling on when people are at their desks.
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What Problems Can Arise from a Variable Air Volume System?

There aren’t any inherent problems with variable air volume systems, but the VAV box needs to be designed carefully so that it will distribute conditioned air without wasting power or creating dead zones. If you have any issues with your VAV system, contact us for top-notch VAV system repairs in Houston, TX and surrounding areas.

A central part of reducing energy waste is increasing the efficiency of your HVAC system through either retrofits or upgrades. If you’re interested in upgrading your existing equipment or if you want more information about Houston, TX VAV system maintenance, contact us at K&R Mechanical today!

Contact Us For More on Houston, TX VAV Systems

Contact K&R Mechanical for more information about the variable air volume systems or other HVAC systems. We serve businesses like yours in Houston, TX and the surrounding areas. If you need our help, we will be there! For more on Houston, TX VAV system services, please contact us or fill out our form.

Call us at (281) 408-9414

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Contact Us For More on Houston, TX VAV Systems

Contact K&R Mechanical for more information about the variable air volume systems or other HVAC systems. We serve businesses like yours in Houston, TX and the surrounding areas. If you need our help, we will be there! For more on Houston, TX VAV system services, please call us a (281) 408-9414