
SARK ENGINEERS & CONSULTANTS
Are you looking for expert HVAC energy audit services to reduce cooling costs by 25-40% and improve system efficiency? SARK Engineers & Consultants offers comprehensive HVAC energy audit and HVAC system audit solutions across India, helping commercial buildings, industries, hospitals, hotels, and IT parks identify energy wastage, optimize air conditioning performance, and achieve significant cost savings.
As experienced HVAC audit consultants, we specialize in conducting detailed chiller efficiency assessments, AHU performance testing, duct leakage detection, and thermal comfort analysis for all types of HVAC systems. Our expert team uses advanced power analyzers, airflow meters, thermography cameras, and data loggers to deliver accurate diagnostics and actionable energy-saving recommendations.
Need an HVAC audit consultant near you? Contact SARK Engineers today at +91-9258087903 or email techno@sarkengg.in for a customized HVAC energy audit quote and start optimizing your cooling system performance immediately!
What is HVAC Energy Audit?
An HVAC energy audit is a systematic evaluation of heating, ventilation, and air conditioning systems to identify energy losses, assess equipment performance, and recommend efficiency improvements. Since HVAC systems consume 30-60% of a building's total energy, audits typically uncover 25-40% energy saving opportunities through equipment optimization, control strategies, and system modifications.
1
System Performance Assessment
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Chiller efficiency and loading analysis (kW/TR measurement)
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Air Handling Unit (AHU) performance testing
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Cooling tower effectiveness evaluation
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Pump efficiency and flow rate measurements
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Compressor performance and capacity utilization
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Energy consumption per ton of refrigeration (TR)
2
Distribution System Analysis
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Ductwork leakage detection and quantification
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Air balancing and CFM verification
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Supply and return air temperature differential
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Pressure drop across filters and coils
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Insulation condition assessment
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Zone control effectiveness
3
Control System Evaluation
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Temperature setpoint optimization
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Humidity control strategy review
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Occupancy-based scheduling
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Variable Frequency Drive (VFD) performance
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Building Automation System (BAS) efficiency
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Economizer operation verification
4
Indoor Air Quality & Comfort
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Temperature and humidity profiling
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CO₂ levels monitoring
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Fresh air intake adequacy
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Thermal comfort index calculation
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Hot/cold spot identification
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Ventilation effectiveness assessment
5
Energy Conservation Opportunities
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Chiller plant optimization strategies
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Free cooling potential
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Thermal energy storage feasibility
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Equipment rightsizing recommendations
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Renewable energy integration (solar cooling)
6
Testing Parameters
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Airflow rate (CFM) vs. design capacity
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Fan motor efficiencies
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Filter pressure drop
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Cooling coil performance and ΔT
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Supply air temperature (SAT) control
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VFD operation
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Belt drive efficiency vs. direct drive
Testing HVAC System
Equipment & Efficiency

To evaluate HVAC systems effectively, it is crucial to conduct a comprehensive assessment of its components, including ductwork, filters, and controls. This can be done by testing the airflow and temperature differentials to determine the system's efficiency. Identifying and addressing leaks and inefficiencies can result in significant energy savings.
Regular maintenance also plays a vital role in ensuring optimal performance and efficiency. This involves cleaning or replacing air filters regularly, checking for leaks or cracks in ductwork, and inspecting the system's controls to ensure they are functioning correctly.
Conducting regular HVAC audits is pivotal in maintaining efficiency and reducing energy costs. These audits help identify areas that require improvement and provide insight into how the system can be optimized for maximum efficiency. In addition to energy cost savings, an efficient HVAC system also improves indoor air quality, providing a healthier environment for building occupants.
It is essential to choose an experienced HVAC contractor who can conduct a thorough evaluation of your system. They will be able to provide recommendations on repairs or upgrades needed to improve your HVAC system's performance and ensure that it continues to run efficiently for years to come.
Identification of opportunities
Potential

During HVAC audits, energy usage is assessed by evaluating equipment efficiency and identifying improvement areas. These audits help find opportunities to reduce energy consumption and costs without compromising comfort. Potential energy-saving measures may include equipment upgrades, control optimization, and insulation improvement. Moreover, HVAC audits can identify safety hazards and enhance air quality. Professional auditors can provide detailed reports with improvement recommendations and estimated cost savings.
Creating a comprehensive report with recommendations for energy savings
A thorough evaluation of the HVAC system, equipment, and building structure is essential for creating a comprehensive report. Gathering data on energy consumption and identifying areas of inefficiency is crucial for formulating tailored recommendations. These may include equipment upgrades, enhanced insulation, and thermostat adjustments. The detailed report should outline the potential cost savings and return on investment for each proposed recommendation, enabling businesses to make informed decisions. Regular audits and updates facilitate ongoing energy conservation and reduction of carbon footprint.
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