HIU Group Test Results
The companies listed below have released their test results for the Heating Interface Unit. Simply click on the logos below to access these results. Stay tuned as new test results for 2023 will be published soon, while previous years' results will still be accessible.
HIU’s can be published & registered with BESA without regulatory approval (WRAS/KIWA) if evidence is provided that submission for this approval has been undertaken. If approval has not been issued within 12 months of publishing, this will be reviewed.