Take Control of Your Industrial Energy Consumption
Founded in 2021 by engineers from leading engineering schools, Q2ESB Ingénierie draws on solid multi-sector experience to support industrial companies in managing and optimizing their energy consumption. Our experts, accredited by ANME for industrial energy audits since 2019, guide you through every stage of your energy-efficiency process: on-site assessment, quantified action plan, and operational monitoring of implementation.
Our Industrial Energy Efficiency Services
- Energy Audits
- Technical Installation Studies and Sizing
- Diagnosis and Development of Action Plans to Improve Industrial Productivity
- Energy Management in the Industrial Sector
- Technical Assistance and Staff Training
Energy audits are carried out in accordance with ANME specifications, including in-depth assessments of steam generation, cooling systems, compressed air systems, and certain unit process operations (drying, evaporation, heat exchange, etc.).
Q2ESB Ingénierie also provides support for implementing generic energy-saving measures.
In-depth assessment of all your most energy-intensive systems
Energy audits are carried out in accordance with ANME specifications. Our engineers perform specialized assessments of the most energy-intensive systems in the industrial sector:
Steam Production
Analysis of combustion efficiency, line losses, condensate recovery, steam traps and insulation of steam networks.
Cooling Production
Assessment of refrigeration units, actual or nominal COP, infiltration losses and optimization of temperature setpoints.
Compressed Air Production
Network audit: leaks, operating pressure, compressor efficiency, heat recovery, and matching supply flow to actual demand.
The Benefits of Your Industrial Energy Audit with Q2ESB
An industrial energy audit represents a strategic investment for any company concerned with its performance and long-term future. At Q2ESB, we approach each industrial site as a unique ecosystem, and our mission is to turn energy challenges into tangible opportunities. This in-depth audit identifies even the smallest inefficiencies and paves the way for significant improvements, directly impacting the profitability and sustainability of your operations.
Reducing energy costs is often the first direct benefit. By precisely identifying energy-saving opportunities, whether related to heating, ventilation, air conditioning, lighting, or specific production processes, we help companies significantly reduce their consumption. This optimization goes beyond simply lowering energy bills; it also leads to a noticeable improvement in the overall energy performance of your facilities.
Every kilowatt-hour saved contributes to greater operational efficiency and a reduced carbon footprint, aligning your activities with energy transition objectives. Beyond direct savings, an energy audit helps ensure compliance with applicable regulations, particularly those established by ANME (National Agency for Energy Management). Meeting these legal requirements is essential to avoid penalties and demonstrate a strong commitment to environmental responsibility.
This proactive approach also enhances your company's image among partners, customers, and stakeholders, strengthening your positioning as a responsible and innovative organization. To discover how other companies have benefited from our services, you can visit our projects. The detailed analysis of energy flows also makes it possible to optimize industrial processes themselves. The goal is no longer simply to consume less, but to consume more efficiently and intelligently.
By fine-tuning settings, upgrading equipment, or rethinking certain production stages, companies can achieve higher levels of efficiency. This thorough assessment is a fundamental step in any continuous improvement and sustainable development strategy.
Energy Audit — TOM Group / IFFCO
Q2ESB Ingénierie carried out an energy audit for TOM Group – IFFCO, with the aim of assessing the energy performance of the industrial site and identifying the main optimization opportunities.
The scope of the mission included the analysis of electrical installations, refrigeration systems, air conditioning and air treatment systems, industrial equipment, as well as the site's main energy-consuming processes.
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Data Collection
Collection of technical, energy-related, and operational data from the site.
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On-Site Inspection and Diagnosis
Inspection of the facilities and analysis of the main energy-consuming equipment.
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Measurements and Instrumentation
Measurements carried out on electrical, thermal, refrigeration, HVAC, and production equipment.
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Energy Analysis
Preparation of the energy balance and identification of the main energy consumption areas.
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Identification of Energy-Saving Potential
Identification of energy losses and opportunities to improve overall energy performance.
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Proposed Solutions
Development of technical solutions aimed at reducing energy consumption and energy costs.
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Technical and Economic Analysis
Assessment of investment requirements, potential savings, and return-on-investment periods.
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Energy Audit Report
Presentation of findings, recommendations, and a prioritized action plan to improve the site's energy performance.
Reduce Your Costs and Ensure Energy Compliance
Would you like to identify your energy-saving opportunities or meet your regulatory obligations? Our ANME-accredited engineers will support you from the on-site assessment through to the implementation and monitoring of your action plan.
Is an industrial energy audit mandatory in Tunisia, and which companies are concerned?
Yes, energy audits are subject to periodic legal requirements in Tunisia. Under Law No. 2004-72, industrial establishments with total annual energy consumption equal to or greater than 800 toe (tonnes of oil equivalent) are legally required to carry out a mandatory energy audit every 5 years. Failure to comply with this regulatory requirement may expose the company to the sanctions provided for under energy management legislation.
How long does an industrial energy audit take?
For a medium-sized industrial site, the on-site measurement campaign generally takes 3 to 5 days. The complete engineering study, including technical data collection, in-depth analysis of thermal and electrical energy balances, and the development of a quantified action plan, typically takes 4 to 8 weeks depending on the complexity of the processes.
What energy savings and return on investment can be expected after an audit?
Specialized assessments can identify significant energy-saving opportunities. The process generally begins with the implementation of quick wins, such as adjusting control settings, optimizing operating parameters, or detecting compressed-air leaks, which can often provide short payback periods. For more substantial projects, such as heat recovery or equipment modernization, each measure is assessed individually with a detailed calculation of the expected return on investment.
What does an ANME-approved energy audit involve?
An energy audit approved by the National Agency for Energy Management (ANME) is a structured assessment carried out in accordance with specific requirements. It includes an analysis of historical energy bills, an on-site measurement campaign using calibrated instruments, and the preparation of a comprehensive energy balance. The study results in a structured action plan that prioritizes investments and energy-efficiency measures, helping industrial companies assess available support and financial incentives under the Energy Transition Fund (FTE).
Which industrial systems are prioritized during an in-depth assessment?
The assessment primarily focuses on the utilities and process equipment that consume the most energy within the facility:
- Steam production: Assessment of boiler combustion efficiency, distribution network insulation, steam traps, and condensate return optimization.
- Industrial refrigeration: Evaluation of the actual COP (Coefficient of Performance) of refrigeration units under load and reduction of thermal losses caused by infiltration.
- Compressed air: Acoustic leak detection throughout the network, optimization of operating pressure, and assessment of heat recovery potential from compressors.
- Unit process operations: Thermodynamic analysis of drying, evaporation, or heat-exchange systems specific to your industrial activity.
How can an energy audit improve productivity without negatively affecting production?
The objective of energy efficiency is not to restrict industrial operations, but to optimize the use of every kilowatt-hour. The assessment identifies passive energy losses, such as thermal losses, pressure drops, or oversized motors, and proposes technological improvements such as variable-speed drives or automated control systems. By fine-tuning these settings, the facility can improve process stability, reduce downtime of critical equipment, and enhance overall productivity while reducing its carbon footprint.