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Pool and Spa Testing and Certification Services

We can confirm that pools, spas and their components meet safety and performance standards, and comply with public health requirements and bid specifications.

Indoor hot tub


UL tests to international, national and regional standards for pool and spa safety, including International Electrotechnical Commission (IEC) and American National Standards Institute (ANSI)/NSF sanitation standards. Our pre-certification review service provides details about the requirements and tests required to make a certification decision. We can also evaluate products to customer-specified performance criteria.


Our offerings include structural design assessments and testing for energy efficiency, product performance and electrical safety. We can also help ensure that product quality remains consistent and safe by verifying and validating work across the entire supply chain.

Why UL

Our state-of-the-art pool and spa testing equipment and experienced technical staff, teamed with our global presence and experience across many industries, enables us to efficiently test for safety, performance and compliance across the entire value chain.

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