Note which surface is affected
From a safe position, describe whether moisture seems to be on an accessible surface or appears within the glazing. Mention the time of day and whether it clears. These observations help the provider frame the assessment without treating every cloudy appearance as the same issue.
Identify the window assembly
Find any existing paperwork describing the door collection and glass option. If only one pane is affected, note its position in the layout. A specific product identity is more useful than a broad description such as insulated window when discussing possible service.
Ask what the finding supports
Request an explanation of why cleaning, further assessment or replacement is being suggested. If a component needs replacing, discuss how it will match the remaining windows. Avoid dismantling inserts or applying a treatment that could obscure the original condition before the visit.
Your questions
Does cloudy glass always mean the whole door needs replacement?
No conclusion follows from that symptom alone. Ask which component is affected and what options are available for the identified assembly.
Should I send a close-up photograph?
A safe photograph can document the appearance. Include a wider view of the window position, without reaching near damaged glass or moving hardware.