GreenSpaces

Energy Management

Posted on January 29th, 2010

Best Practices: Energy Management

In Energy management we follow certain practices that help us in reducing our electricity bills without affecting the quality of life. We have benefitted from these practices; our results show maximum 30% reduction in our electricity bills. These practices can be further improved upon.

We at Paharpur Business Centre follow these best practices in energy management

  • Instead of GLS lamps, we use PL lights, which are plug in CFL lamps, they use compact fluorescent (CFL) technology meaning they are efficient and less costly to replace.
  • All fluorescent lights in our office are Philips trulite which are BEE 5 star rated with electronic ballast.
  • Motion sensors are used to switch off lights in unoccupied common areas.
  • All our displays are energy efficient LCDs/Plasma to save on energy.
  • Energy consumption is monitored and analyzed on daily basis.
  • Green mesh & heat reflective film has been put on the south wesh side of the building to block the direct sun heat into the building.
  • High albedo paint has been put on the building envelope to reduce the indirect heat gain into the building.
  • The heat gain into the building from the rooftop is minimum because of green house.
  • Use of  five star rated equipments especially air conditioners.
  • High Efficiency Super Diesel is used for all DG sets to reduce pollution.
  • Diesel is centrifuged to clean it before use in the Generators.
  • Energy consumption is monitored and analyzed on daily basis on a BAS system
  • Green mesh & heat reflective film is put on the south west side windows of the building to block the direct sun heat into the building.
  • High albedo paint has been put on the building envelope to reduce the indirect heat gain into the building.
  • The heat gain into the building from the rooftop is minimum because of green house that has been created on the roof.

Energy Saving Features of our HVAC System

  • Chiller has a COP of 6.15; it’s an efficient 212 TR water cooled screw chiller from Trane.
  • Two way valve regulate the chilled water inlet into the AHU coil as per the heat load.
  • CO2 sensors have been put to regulate the fresh air inlet inside the air conditioned space. Its demand controlled ventilation.
  • New Pumps and all AHU motors are VFD controlled.
  • UVC light have been installed on the AHU cooling coils to keep the air & coil clean of indoor air contaminants.
  • The new system has VAV in air circuits to regulate the air supply as per heat load.
  • New Double skin AHU help reduce the leakage & noise.
  • Heat Recovery wheel unit ensures that incoming fresh air is precooled before it is let in into the system
  • Complete system is managed centrally through BMS

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