Danfoss HVAC Drives

Variable Frequency Drives

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Danfoss VLT HVAC Variable Frequency Drive (VFD)

AC drives are installed on a daily basis in various heating, ventilation and air conditioning (HVAC) and water-boosting applications in new and existing buildings and infrastructural systems all over the world. They enhance air quality and indoor comfort levels, improve control and energy-saving possibilities, ensure better asset protection, reduce maintenance costs and increase reliability.

The daily load variation in HVAC facilities is considerable. Variable speed control of electrical motors has proved to be one of the most effective cost-reducing measures available. By reducing the average speed of a motor in, for example, a pump or fan by 20%, energy savings of 50% can be achieved. Reducing the average speed by 50% increases the savings to 80%.