Modulating Economizers – Precise Control for Better Performance
Take control of your building’s ventilation with modulating economizers, engineered for precise, real-time damper control. These systems provide optimal air mixing and temperature regulation by adjusting damper positions continuously, based on live indoor and outdoor conditions.

Unlike basic two-position economizers, modulating systems allow for finer adjustments, which means better energy savings, more consistent comfort levels, and smoother operation. They’re ideal for applications requiring high performance—such as laboratories, schools, medical buildings, and smart commercial spaces.

Modulating economizers offer:

Advanced temperature/enthalpy sensors

Seamless BMS integration (BACnet/Modbus)

Reduced compressor cycles

Improved system longevity and IAQ

At Building Controls Group, we stock field-proven modulating economizers that are easy to install, commission, and maintain. We offer compatible models for major RTUs and AHUs, along with technical support to guide your selection and integration.

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Choose the Right Regulator Type

There are several types of regulators suited for different applications:

Single-Stage Regulators – Reduce gas pressure in one step; best for applications with stable supply pressure.

Two-Stage Regulators – Provide more precise pressure control by reducing pressure in two stages.

Automatic Changeover Regulators – Used in dual-cylinder systems to ensure a continuous supply by switching to a full cylinder when the primary one is empty.

Line Pressure Regulators – Installed within the gas distribution system to maintain consistent pressure downstream. https://www.building-controls.....com/product-type/hva

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