Installation of gas fired warm air heaters within a commercial distribution warehouse. The heaters were specified to provide frost protection to the newly installed sprinkler system. 6 No. units were installed each with a heat output rating of 97kW, bespoke steel fabrications were manufactured and installed to support the units at high level and new gas pipework was installed to serve each of the units. After the final connection of gas, electrical and control services to the units, the units were fully commissioned.