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HVAC installation achieves payback within 9 months

Al Jahili Fort entrance.

An installation of Invertek Drives variable frequency drives (VFDs) has delivered significant energy and cost savings, as well as an ambient temperature all year round, at the Al Jahili Fort in the United Arab Emirates (UAE).

GI Tech, Invertek’s sales partner in the UAE, was asked to install a series of eight Optidrive E2 Single Phase AC drives to control chilled water pumps in the Fort’s air conditioning system as part of an ambitious renovation project.

Ali Akhaven, Director at GI Tech, says, “The Al Jahili fort is constructed of mud; installing a HVAC duct cooling system with this type of construction is a huge task, so it was decided that cooling coils would be the best option.

“Small water pumps which are operated by Optidrive E2 Single Phase Output drives under the control of the Building Management System (BMS), ensure chilled water is continuously pumped through coils installed throughout the fort to provide a comfortable environment for both workers and visitors.”

Energy Saving Calculations for the Al Jahili installation show a predicted cost saving of AED 12385 a year compared to an equivalent system using fans and AHUs.