A commercial energy audit is a thorough assessment designed to help your business reduce energy use, cut costs, and lower carbon emissions. Here’s how an energy audit benefits your business:
Our energy audits follow the methodology outlined in ISO 50002 and BS EN 16247: 2012, ensuring high standards and reliable results. Each audit is conducted by a qualified energy auditor who will analyse your building’s energy sources, systems, insulation, lighting, and other key factors.
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Step one: bill analysis
We start with a comprehensive look at your energy bills to uncover inefficiencies.
Step two: on-site assessment
Our experts walk through your building, identifying energy drains in lighting, HVAC, and insulation.
Step three: advanced testing
Depending on your needs, we may perform thermal imaging, airtightness tests and more.
Step four: report with recommendations
We provide a detailed report with actionable steps to cut energy use and costs.
Below are some frequently asked questions to provide you with further information about this service.
The energy survey, or audit, will uncover potential problems that may lead to higher energy costs, such as improper insulation, leaky windows and doors, inefficient lighting, and outdated equipment. All of our commercial energy audits also provide specific, actionable recommendations for improving the building's energy efficiency, including information about the estimated cost savings of implementing those changes.
Commercial energy audits are undertaken by our experienced energy surveyors, who are specially trained in identifying and assessing energy use within businesses. The audit typically begins with a walk-through survey of the building, during which the auditor will take note of any inefficient lighting, HVAC systems, and insulation. They will also assess the building’s envelope—windows, doors, and other openings that can let in or out air—to determine if the building is losing energy through these points. They will also review operational and management practices.
Once the walkthrough is complete, the auditor may choose to use additional testing techniques such as thermal imaging, blower door testing, and duct blaster tests to get a more accurate understanding of the building’s energy use. After all of the data is collected, it is analysed to determine which areas of the building are using the most energy, and what changes can be made to improve efficiency. The auditor will then produce a report that outlines the findings and suggests ways to reduce energy consumption. Our approach is in line with guidance developed by CIBSE and the Carbon Trust.
In general, it’s a good idea to conduct a commercial energy audit every two to five years to ensure that your business is operating at maximum efficiency. You should also conduct one any time you make major changes or additions to the building or its systems, such as installing a new HVAC system or replacing windows. An energy audit can give you the information you need to make sound decisions and create a more sustainable business.
For a clear, informative review of your energy usage with actionable insights, contact us now on 0344 499 7574, or email us at info@greenzonesurveys.com.
The level of energy audit will depend on the needs of the business:
Level one – Gain quick insights into your energy use with a Level 1 Commercial Energy Audit – ideal for small improvements.
Level two – Unlock deeper savings and more detailed recommendations with a Level 2 Audit.
Level three (Investment Grade Audit) – For maximum impact, choose a Level 3 Investment-Grade Audit – perfect for long-term savings.
Uncover energy efficiency opportunities with a Level 1 Commercial Energy Audit.
A Level 1 commercial energy audit is a fundamental evaluation that provides an overview of a building's energy consumption patterns and identifies potential areas for improvement.
Delve deeper into your energy systems with a Level 2 Commercial Energy Audit.
A Level 2 commercial energy audit is a comprehensive assessment conducted to evaluate the energy efficiency of a commercial building in greater detail.
Identify and evaluate energy conservation measures with a Level 3 Commercial Energy Audit.
A Level 3 energy audit represents the most comprehensive and detailed assessment of a commercial building's energy efficiency, often concentrating on specific opportunities or issues.
