HVAC buying guides
Use the estimate or analysis alongside broader equipment-selection guidance.
Select the equipment, drill down through the manufacturer family, and enter the model and serial number for an estimated manufacture date and age report.
The tool compares the selected brand and serial number against supported manufacturer date-code patterns. It will not invent a date when a number is ambiguous.
The result is informational and is not a condition assessment, warranty determination, or recommendation to replace working equipment.
Use the estimate or analysis alongside broader equipment-selection guidance.
Look up unfamiliar equipment and proposal terminology.