5:24 pm - July 14, 2026
The Abu Dhabi Department of Energy launches a new manual and verification tool aimed at preventing oversized air conditioning systems, potentially saving AED560 million annually and supporting the emirate’s sustainability goals.
Abu Dhabi’s Department of Energy has introduced a new manual aimed at cooling loads, one that’s designed to address one of the emirate’s most persistent issues, wasted electricity caused by oversized air conditioning systems.
The guide, called the Abu Dhabi Cooling Load Manual, is meant to help engineers and developers get a better grip on calculating cooling needs in new buildings more accurately. Officials emphasize that this ties in with the emirate’s Energy and Water Efficiency Strategy 2030 and fits nicely with the broader push towards more resource-efficient, lower-carbon urban development.
The reasoning behind this is pretty straightforward, honestly. Air conditioning consumes about 60% to 70% of the electricity in UAE buildings, according to the Department of Energy. Often, systems are installed with more capacity than they really need, studies cited by the department suggest over-sizing of somewhere between 25% and 35%. That’s a significant gap, especially in a hot climate like Abu Dhabi’s, where cooling demand is constant, and energy costs can add up quickly.
By getting the sizing right from the start in the design process, the department claims the manual could slash the cost of new cooling equipment installed in Abu Dhabi’s buildings by as much as AED560 million annually. For an average villa, for example, savings might reach AED56,000 just in equipment costs, before factoring in lower connection charges and ongoing power bills. They also say electricity bills could decrease by as much as 25% in some cases, which is a pretty handy improvement.
This manual is aimed at preventing the problem from becoming locked in during construction. It offers engineers and developers data-driven guidance to determine thermal loads more precisely, and to pick equipment that genuinely matches the real demand. It covers practical advice on issues like unrealistic assumptions, excessive safety margins, and poor management of load diversity across different rooms and times of day, these are common pitfalls that often lead to unnecessary over-design.
According to the department, the guide isn’t just for brand-new developments. It can also be useful for retrofit projects and for reviewing existing systems to see whether current equipment is larger than necessary. That’s why the manual has a wider relevance, especially as building owners look for ways to reduce operating costs without compromising on comfort.
Positioned as both a technical resource and a planning tool, the manual is intended to support work from early concept phases all the way through detailed design, where decisions about building orientation, shading, zoning, and heat gains can significantly influence future cooling needs. Many of these factors are often overlooked but can mean the difference between needing a hefty, costly cooling system or a more efficient solution.
The guide aligns with Abu Dhabi’s local codes as well as international standards like ASHRAE and CIBSE. That’s quite important, given that many engineering firms operate across borders, and their design practices are often influenced by those global standards. Using recognised frameworks helps make the guidance more accessible and easier to adopt, without forcing designers to step outside their usual processes.
This initiative also reflects the regulatory role of the Department of Energy, which was set up under Law No. 11 of 2018 to help steer the emirate’s energy transition. Alongside policy-making and licensing, the department oversees parts of the district cooling sector, which is becoming increasingly important in dense urban developments. When planned and regulated properly, district cooling can boost efficiency at scale, but its real success depends heavily on careful planning at the individual building level too.
So, in essence, the new manual might have impacts beyond just individual projects. It could help strengthen the way cooling demand is assessed across the entire emirate, encouraging a more disciplined approach to engineering calculations and procurement processes. This, in turn, could ease pressure on the electricity infrastructure, lower the capital expenditure on plants and equipment, and help buildings perform better over the long term.
The department points out that the benefits aren’t just financial, they also affect comfort. Properly sized systems are generally easier to operate, less prone to inefficient cycling, and more capable of keeping indoor temperatures stable. Plus, equipment that isn’t overly stressed tends to last longer because it’s not constantly working outside its optimal range.
To assist with this shift, the department has developed a Cooling Load Verification Tool. This tool allows developers, designers, and authorities to compare their cooling calculations against the guidelines, spot potential over-designs, and estimate the savings that more accurate sizing could bring. In practice, it’s likely to go beyond just being a policy paper; it could become a practical check to verify whether a building’s cooling plan is actually efficient.
In the climate tech community, the significance of this launch mainly lies in its focus on reducing demand rather than expanding supply. In an environment where cooling is vital, lowering electricity needs often offers the quickest improvements in efficiency. Abu Dhabi is increasingly adopting that kind of thinking not just as a technical approach but as part of its strategic planning.
For the emirate, this manual also feeds into a broader climate narrative. It supports the UAE’s goal of reaching climate neutrality by 2050 and complements Abu Dhabi’s own climate strategy, which aims to promote sustainable building design and responsible resource management. So, in a way, this guide isn’t just about technical advice; it’s also about policy ambition.
Whether it will succeed depends heavily on whether designers, consultants, and developers actually get on board and use it. If they do, well, the emirate could see fewer oversized systems, lower construction costs, and less energy use operationally. If this becomes standard practice, the effects might ripple throughout Abu Dhabi’s entire building stock for many years to come.
- https://www.aletihad.ae/news/%D8%A7%D9%84%D8%A7%D9%82%D8%AA%D8%B5%D8%A7%D8%AF%D9%8A/4676571/-%D8%AF%D8%A7%D8%A6%D8%B1%D8%A9-%D8%A7%D9%84%D8%B7%D8%A7%D9%82%D8%A9—%D8%A3%D8%A8%D9%88%D8%B8%D8%A8%D9%8A–%D8%AA%D8%B7%D9%84%D9%82–%D8%AF%D9%84%D9%8A%D9%84-%D8%A3%D8%AD%D9%85%D8%A7%D9%84-%D8%A7%D9%84%D8%AA%D8%A8%D8%B1%D9%8A%D8%AF – Please view link – unable to able to access data
- https://www.mediaoffice.abudhabi/en/energy/abu-dhabi-department-of-energy-launches-cooling-load-manual-to-enhance-energy-efficiency-and-sustainable-building-design/ – The Abu Dhabi Department of Energy (DoE) has introduced the Abu Dhabi Cooling Load Manual (CLM) to support the Abu Dhabi Energy and Water Efficiency Strategy 2030. Air conditioning systems, which account for 60–70% of electricity consumption in UAE buildings, are often oversized by 25–35%. Properly sizing these systems can save up to 35% of installed AC costs, equivalent to AED560 million annually across new buildings in Abu Dhabi. For residential villas, this could mean a reduction of up to AED56,000 in equipment costs, along with lower connection fees and savings of up to 25% on electricity bills. The CLM provides clear, data-driven guidance and best practices for accurately calculating cooling loads and selecting appropriately sized equipment, enhancing design precision, reducing equipment and infrastructure costs, lowering electricity consumption, improving occupant comfort, and extending equipment lifespan. It aligns with Abu Dhabi codes and international standards such as ASHRAE and CIBSE, offering practical recommendations to avoid common overdesign factors, including unrealistic assumptions, excessive margins, and inadequate consideration of load diversity. The manual also highlights the role of early design decisions, such as building orientation, shading, zoning, and heat gain assessment, in reducing cooling demand. To facilitate adoption, the DoE has developed a Cooling Load Verification Tool (CLVT), allowing developers, designers, and government entities to benchmark their cooling calculations against the CLM, identify possible overdesign, and estimate potential savings.
- https://www.gccbusinessnews.com/doe-abu-dhabi-cooling-load-manual-energy/ – The Abu Dhabi Department of Energy (DoE) has launched the Abu Dhabi Cooling Load Manual (CLM) to enhance energy efficiency in building cooling systems, supporting the Energy and Water Efficiency Strategy 2030. Air conditioning systems account for around 60–70% of electricity consumption in UAE buildings, with many systems currently oversized by an estimated 25–35%. Correctly sizing these systems could reduce installed air conditioning costs by up to 35%, equivalent to approximately AED560 million annually across new buildings in Abu Dhabi. For residential villas, this could result in savings of up to AED56,000 in equipment costs, along with lower connection charges and electricity bill reductions of up to 25%. The CLM provides guidance on calculating cooling requirements and selecting appropriately sized equipment, primarily for new developments but also applicable to retrofit projects and system reviews in existing buildings. It improves design accuracy, reduces overdesign, and lowers both capital and operational costs, while supporting improved occupant comfort and extending equipment lifespan. The manual aligns with Abu Dhabi building codes and international standards, including ASHRAE and CIBSE, and offers guidance to avoid common design issues such as excessive safety margins, unrealistic assumptions, and limited consideration of load diversity. It also highlights the role of early design decisions, such as building orientation, shading, zoning, and heat gain assessment, in reducing cooling demand. To support implementation, the DoE has introduced a Cooling Load Verification Tool (CLVT).
- https://en.aletihad.ae/news/uae/4676435/abu-dhabi-launches-cooling-load-manual-to-enhance-energy-eff – The Abu Dhabi Department of Energy (DoE) has launched the Abu Dhabi Cooling Load Manual (CLM) to support the Abu Dhabi Energy and Water Efficiency Strategy 2030. Air conditioning systems account for about 60–70% of electricity consumption in UAE buildings, and these systems are often oversized by 25–35%. Properly sizing these systems can save up to 35% of the installed AC costs, equivalent to AED560 million each year considering all new buildings in Abu Dhabi. For example, for a residential villa, this could mean a reduction of up to AED56,000 in the cost of AC equipment, in addition to lower connection fees, and savings of up to 25% on the electricity bill. The CLM addresses the oversizing issue by offering clear, data-driven guidance and best practices for accurately calculating cooling loads and selecting appropriately sized equipment. His Excellency Eng. Ahmed Mohammed Al Rumaithi, Undersecretary of the Abu Dhabi Department of Energy, said: “The Department of Energy’s efforts are part of an integrated vision aimed at enhancing resource efficiency and advancing the foundations of sustainable development in Abu Dhabi through the development of regulatory and technical frameworks that support the creation of a more efficient, resilient and sustainable energy system. This manual contributes to the department’s efforts to enable relevant stakeholders to adopt more efficient solutions in the construction and urban development sectors, enabling improved energy demand management, the optimal use of resources, and the advancement of sustainable development across the emirate. “Abu Dhabi continues to strengthen its position as a global model in adopting policies and innovative solutions that balance the requirements of economic growth with the preservation of resources. The manual represents an important step in supporting this direction by enhancing integration between urban planning and energy efficiency, while increasing infrastructure readiness to meet future requirements. It also aligns with the objectives of the Abu Dhabi Energy and Water Efficiency Strategy 2030 and contributes to the emirate’s vision of building more resilient, sustainable and liveable cities for future generations.” His Excellency Abdulaziz Mohammed Alobaidli, Director General of Regulatory Affairs at the Department of Energy, said: “Accurate cooling load calculations and the selection of appropriate systems contribute to reducing costs, improving resource efficiency, and delivering long-term value for both developers and consumers, while supporting the emirate’s objectives of building a more efficient and sustainable energy system.” The Cooling Load Manual will be available for download on the Abu Dhabi Department of Energy’s website. The launch of the Cooling Load Manual reinforces Abu Dhabi’s position as a leading hub for sustainable solutions and innovation that enable a more efficient and resilient future.
- https://www.doe.gov.ae/ – The Abu Dhabi Department of Energy (DoE) was established in accordance with Law No. 11 of 2018 to drive the Emirate’s energy transition efforts with a focus on promoting economic growth, and boosting environmental, social and economic sustainability. Our role includes enacting policies and regulations and developing strategies to ensure an effective energy transition in the Emirate of Abu Dhabi. We issue licences for companies and organisations operating in the sector and monitor their compliance with quality standards, which, in turn, supports the Emirate’s goals to ensure the sustainability of energy sources.
- https://www.doe.gov.ae/en/Legislation-and-Compliance/Economic-Regulations/District-Cooling – Under Law No 11 of 2018, the Department of Energy (DoE) has a duty to regulate the central / district cooling sector in the Emirate of Abu Dhabi. Following extensive consultation with the public and private stakeholders, the DoE has launched the District Cooling regulations upon the government approval, comprising technical, legal and economic dimensions. The economic dimension of this framework will look into aspects of market competition and price regulation, to ensure that: There is increased fairness and transparency in the market as well as enhance service
Noah Fact Check Pro
The draft above was created using the information available at the time the story first
emerged. We’ve since applied our fact-checking process to the final narrative, based on the criteria listed
below. The results are intended to help you assess the credibility of the piece and highlight any areas that may
warrant further investigation.
Freshness check
Score:
10
Notes:
The article reports on the Abu Dhabi Department of Energy’s recent launch of the Cooling Load Manual on 3 July 2026, aligning with the Abu Dhabi Energy and Water Efficiency Strategy 2030. ([mediaoffice.abudhabi](https://www.mediaoffice.abudhabi/en/energy/abu-dhabi-department-of-energy-launches-cooling-load-manual-to-enhance-energy-efficiency-and-sustainable-building-design/?utm_source=openai))
Quotes check
Score:
8
Notes:
The article includes direct quotes from His Excellency Eng. Ahmed Mohammed Al Rumaithi and His Excellency Abdulaziz Mohammed Alobaidli. While these quotes are consistent across multiple sources, their exact origins are not independently verifiable online, raising concerns about their authenticity. ([mediaoffice.abudhabi](https://www.mediaoffice.abudhabi/en/energy/abu-dhabi-department-of-energy-launches-cooling-load-manual-to-enhance-energy-efficiency-and-sustainable-building-design/?utm_source=openai))
Source reliability
Score:
7
Notes:
The primary source is the Abu Dhabi Department of Energy’s official website, which is a reputable government source. However, the article also references content from aletihad.ae, a news outlet that may not be as widely recognised internationally, potentially affecting the overall reliability. ([mediaoffice.abudhabi](https://www.mediaoffice.abudhabi/en/energy/abu-dhabi-department-of-energy-launches-cooling-load-manual-to-enhance-energy-efficiency-and-sustainable-building-design/?utm_source=openai))
Plausibility check
Score:
9
Notes:
The claims about the impact of oversized air conditioning systems on electricity consumption and the potential savings from proper sizing are plausible and align with known industry standards. However, the exact figures provided (e.g., AED560 million annual savings) are not independently verified, which introduces some uncertainty. ([mediaoffice.abudhabi](https://www.mediaoffice.abudhabi/en/energy/abu-dhabi-department-of-energy-launches-cooling-load-manual-to-enhance-energy-efficiency-and-sustainable-building-design/?utm_source=openai))
Overall assessment
Verdict (FAIL, OPEN, PASS): FAIL
Confidence (LOW, MEDIUM, HIGH): MEDIUM
Summary:
While the article provides timely information about the Abu Dhabi Department of Energy’s new Cooling Load Manual, several concerns affect its overall reliability. The exact origins of the quotes from government officials are not independently verifiable, and the article relies heavily on the department’s official website without independent verification. Additionally, the inclusion of content from aletihad.ae, a less widely recognised news outlet, further impacts the source reliability. These factors collectively lead to a ‘FAIL’ verdict with medium confidence.
