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Place one image near the top of the article to support the lead and factual overview. The image should relate to smart guestroom automation, energy efficiency testing, certification review, or customs compliance documentation.

On May 31, 2026, SASO issued a revised Appendix A to SASO IEC 62301:2026, bringing Guestroom Automation systems into the scope of mandatory energy efficiency certification. The change affects suppliers of smart temperature control, lighting linkage, and energy management hubs because products without the required SASO IECEE CB certificate will not be able to clear customs after the new rule takes effect on September 1, 2026.
According to the provided event information, SASO released the revised Appendix A to SASO IEC 62301:2026 on May 31, 2026.
The revised scope includes Guestroom Automation systems, covering smart temperature control, lighting linkage, and energy management hubs.
The stated technical requirements include standby power consumption of no more than 0.5W and communication modules compliant with the Wi-SUN FAN 1.1 protocol.
The new requirement will take effect on September 1, 2026. Products that have not obtained the SASO IECEE CB certificate will not be able to clear customs.
Direct trade companies may be affected because customs clearance will be linked to the SASO IECEE CB certificate once the rule becomes effective. The impact is likely to appear in pre-shipment document checks, import declaration preparation, delivery scheduling, and customer contract review.
These companies should pay close attention to whether products classified as Guestroom Automation systems fall within the revised certification scope, especially when a shipment includes smart temperature control units, lighting linkage devices, or energy management hubs.
Raw material and component buyers may be affected because the revised requirement includes technical performance conditions for standby power and communication modules. Procurement teams may need to verify whether purchased communication modules support Wi-SUN FAN 1.1 and whether component choices help the finished system meet the 0.5W standby power requirement.
The business impact may appear in supplier selection, component specification review, purchase order terms, and incoming quality checks. Buyers may also need to request clearer technical declarations from suppliers before confirming procurement plans.
Manufacturing companies may be affected because the revised standard turns energy efficiency and communication protocol compliance into mandatory certification issues for covered products. The impact may involve product design review, firmware and hardware matching, standby power testing, technical documentation, and certification submission preparation.
Manufacturers should focus on whether existing product platforms can demonstrate standby power consumption at or below 0.5W and whether the communication modules used in the system can be aligned with Wi-SUN FAN 1.1.
Supply chain service providers, including logistics coordinators, compliance consultants, testing coordinators, and documentation service providers, may face new coordination needs because customs clearance will depend on the required certification status after the implementation date.
The impact may be reflected in shipment timing, document collection, certification tracking, and risk alerts before cargo dispatch. Service providers should monitor certificate availability and help customers avoid sending uncertified covered products into the customs clearance process.
Companies should first review whether their products are smart temperature control units, lighting linkage devices, energy management hubs, or integrated Guestroom Automation systems. This classification step is important because the revised Appendix A brings these products into the mandatory energy efficiency certification scope.
Technical teams should check whether standby power consumption can meet the stated threshold of no more than 0.5W. They should also verify whether communication modules comply with Wi-SUN FAN 1.1. Relevant test records, design files, module specifications, and certification documents may need to be organized before application or shipment.
Because the new requirement takes effect on September 1, 2026, companies planning exports or imports should compare production schedules, certification lead time, and shipment dates. Products without the SASO IECEE CB certificate will not be able to clear customs under the stated rule.
For projects involving procurement specifications, tenders, or customer delivery terms, companies should update technical requirements to reflect the standby power limit, Wi-SUN FAN 1.1 communication requirement, and SASO IECEE CB certificate expectation. Supplier qualification files should also be reviewed so that component and module sourcing does not create downstream compliance risk.
From an industry perspective, this update suggests that energy efficiency control is no longer limited to individual low-power devices. It is more appropriate to understand this as a move toward evaluating connected automation systems as part of building and hospitality energy management.
Analysis shows that the 0.5W standby power requirement may place greater pressure on product architecture, module selection, and firmware optimization. However, this is an analytical observation rather than a confirmed outcome for every manufacturer.
What deserves closer attention is the link between technical conformity and customs clearance. Observably, once certification becomes a clearance condition, compliance preparation may need to start earlier in the sales, procurement, and production cycle rather than being treated as a final shipping document task.
The revised SASO IEC 62301:2026 Appendix A makes mandatory energy efficiency certification a key requirement for covered Guestroom Automation systems entering the Saudi market. For companies involved in trade, procurement, manufacturing, and supply chain services, the main task is to verify scope, confirm technical conformity, and prepare certification documents before the September 1, 2026 effective date.
The rule may encourage closer coordination between product design, certification management, and customs compliance. Its actual impact will depend on how companies interpret the scope, complete testing, and obtain the required SASO IECEE CB certificate in time.
This article is based on the user-provided news title, event date, and event summary regarding SASO, the revised SASO IEC 62301:2026 Appendix A, and the certification requirements for Guestroom Automation systems.
Typical authoritative source types for this kind of update may include official notices from SASO, certification body guidance, testing laboratory communications, and customs or conformity assessment instructions. Specific official source links were not provided in the input and should be verified continuously.
Companies should continue to monitor detailed implementation guidance, certification execution criteria, changes in tender or procurement specifications, customs interpretation, and feedback from affected industry participants.
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