Common mistake
Coordinate
Tell someone or document it before you close it up.
At turnover, walk the owner through every filter location, access door, and maintenance point. Provide a written filter change schedule based on system CFM and filter type. Owners who don't know where the filters are don't change them - which destroys your equipment and creates warranty disputes. TinnerFlow.com · Built for sheet metal HVAC apprentices · tinnerflow.com