Is your sealed glass unit finished?
Answer 6 simple questions and get an instant diagnostic: wear level, estimated price, potential energy savings and the right next step.
A simple diagnostic in 3 steps
Answer 6 questions
Simple questions about your windows: fog, age, drafts, deposits and operation.
Get your diagnostic
The tool analyzes your answers and estimates the wear level of your sealed glass units.
Receive an estimate
Price estimate, potential energy savings and personalized recommendations for your windows.
Start the diagnostic
Your answers stay on this page. No account is required.
Do you see fog between the glass panes?
Common questions
How do I know if my sealed glass unit is finished?
The main signs are permanent fog between panes, white deposits, drafts even when the window is closed, and a noticeable increase in heating costs. This free tool helps you evaluate the condition in about two minutes.
Is the online diagnostic reliable?
The online diagnostic is based on the same criteria our technicians use during an in-home inspection. It gives a strong first indication. For a final evaluation, we recommend a free inspection or a photo-based quote.
How much does sealed glass replacement cost after the diagnostic?
Sealed glass replacement starts at $150 per installed unit, including measuring, custom manufacturing and professional installation. The final cost depends on size and glass type.
Can a foggy sealed unit be repaired instead of replaced?
Defogging can be a temporary option, but it does not restore the full energy performance of the unit. In most cases, replacing the sealed unit is the most economical long-term solution.
Prefer a technician's opinion?
Send photos or call us. We will confirm whether repair or replacement is the right option.