Power quality
Frequent tripping in electrical grid
Failure of capacitor banks
Flickering and failure of lighting fixtures
Interrupted operation of lifts/elevators
Overloading and burning of neutral conductor
High Energy Costs
Building thermal efficiency
Insufficient cooling
Heat pockets in lobby area
stratified cooling
HVAC efficiency
Fresh Air Supply- Insufficient – Energetically inefficient without Heat Recovery units
Insufficient cooling
Excessive humidity
Odour & mould
Lighting- Conventional vs. LEDs
High operating cost due to higher consumption of electricity by Halogens
Higher replacement costs due to shorter lifespan
High thermal impact on cooling
Indoor air quality
High Humidity
High temperatures
Power quality
High harmonic distortion generated by large chiller units, lifts/elevators and lighting loads
5th & 7th Harmonics, resonances and transients leading to irrepairable damage to the capacitor banks
Old technology of capacitor banks which are contactor switching and not suitable for today's loads
Fluctuating load profile and sudden reactive jerks of lifts/elevators
Over voltage
Building thermal efficiency
High exposure to sunlight due to extensive use of glass facades,
Insufficient thermal insulation of windows, doors & roofs
Over burden on HVAC
Comfort issues due to heat
HVAC efficiency
Incorrect choice of the chiller plant- this may be due to incorrect sizing or incorrect technology
Poor Maintenance of chiller plants
High Humidity
Incorrect configuration
Imbalance in air pressure
High ambient temperature
Lighting- Conventional vs. LEDs
Old technology of conventional lightings
Inadequate light output
Significant light depreciation within 6-9 months of installation
Indoor air quality
Lack of dehumidification
Lack of cooling/ insulation
Lack of indoor air treatment
Excess use of solvents in the form of air fresheners, detergents, cleaning sprays etc.
Lack of indoor air filtration
Power quality
Active Harmonic Filter with Neutral Compensator when neutral current is high
Active Harmonic Filter at major non-linear loads
Dynamic power factor correction with detuned filter reactor with ZERO crossing
Hybrid Filter suitable when power factor is low
Voltage optimizers
Building thermal efficiency
Cool window films
Cool roof coatings
Arresting leakage of hot air from doors
HVAC efficiency
Yearly audit and maintenance of HVAC and proper configuration of chiller plant.
Refurbish existing Heat Recovery units by chemical cleaning of Heat Wheels, Enthalpy Wheel or Desiccant Wheel
Additional upgrade of HRU with Horse Shoe Heat Pipe or Desiccant Dehumidification
Consider advance air distribution technologies such as Bosch Clemotion or Composite air ducts.
Chiller replacement for highest energy savings and lowest cost of ownership – Heat Pump -Water cooled chiller -Invertor based chiller
Shading of chiller plant and Wet wall
Replace Hydrazine with Polyamines
Lighting- Conventional vs. LEDs
Replacement by LED with following specs: -160 lumens/watt -less than 10% depreciation in light output over the expected life of 5 years – TL-21 certified – LM 79 and LM-80 compliant
indoor air quality
Heat Recovery Unit
Horse Shoe Heat pipe
Desiccant dehumidification
Indoor air purification
HEPA, Carbon filters, formaldehyde filters
Oxygen concentrators to improve air quality
Power quality
Total harmonic distortion maintained within limits specified as per IEEE standard (iTDD <8%, vTHD <5%) - free from any risk of harmonic penalty (if applicable)
High true power factor; free from any risk of low pf penalty (if applicable)
Significant savings through elimination of lighting failures and reduced losses
Uninterrupted operation of lifts/elevators
Reduced neutral current and overloading of neutral conductor
Building thermal efficiency
HVAC is no more over burdened
Window films add to the overall looks
HVAC efficiency
Lower cost of utilities (DEWA bills)
Adequate cooling
Improved life of chiller plant
Less downtime or break downs thereby savings in maintenance costs
Overall well being
Safer and cost effective
Lighting- Conventional vs. LEDs
Better light output Well being Reduction in heat load on HVAC 70-80% reduction in electricity bills Significant reduction in maintenance costs due to longer asset life
indoor air quality
Less maintenance problems
Higher number of rooms available for rent
Better air quality

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