The problem
Unclear specifications or a component that does not match the existing system.

Ventilation, cooling, heating, feeding, drinking, lighting, control and support systems.
The biggest equipment-selection issue is treating the part as a standalone item. Start with function, compatibility, connection and maintenance.
Unclear specifications or a component that does not match the existing system.
Delayed ordering or installation of a component that does not fully perform the required function.
Connect product name, specifications, location, compatibility and service requirements.
Send the part name, photo or problem description so the requirement can be narrowed down.
Ventilation, cooling, heating, feeding, drinking, lighting, control and support systems.
Study, survey, design and project planning.
Structure, insulation, access, flooring and utilities.
Ventilation, cooling, feeding, drinking, lighting and control.
Maintenance, upgrades, monitoring and technical support.