Other product applications (including chimney dampers) are made on our online system, TESSA.

For acceptance of other products, raise a correspondence case in TESSA and submit your application with supporting documents attached. Evidentiary requirements are outlined in Section 2 and the appendices of the Product Application Guide.

Relevant Documentation

Product Applications Guide

ESS HEER - Form - Product Application Checklist

ESS Commercial Lighting - Form - Product Application Checklist