Aire-Flo HVAC Age Lookup by Serial Number
Decode your Aire-Flo serial number to find the manufacturing date, system age, and maintenance recommendations. Free and instant. No account needed.
Finding Your Aire-Flo Serial Number
Check these four spots on your HVAC system
Common Locations
What to Look For
- White or metallic manufacturer sticker
- Labeled "Serial No." or "S/N"
- Typically 8–12 characters long
- Usually near the model number
Can't find it? Try the electrical access panel on the front of the outdoor unit or inside the air handler cabinet.
Serial Number Examples
Don't worry if yours looks different — each brand has multiple formats and our system can decode most variations.
About Aire-Flo HVAC Systems
Aire-Flo is Lennox International's lowest-price residential brand, part of the same Allied Air Enterprises group as AirEase and Armstrong Air. The equipment is basic by design, aimed at replacement jobs where budget is the primary concern and efficiency ratings matter less. Allied builds it at the same Iowa facility using Lennox engineering specs, so the mechanical reliability is solid despite the lower price point. Serial numbers use the same format as all Allied and Lennox brands: four digits at the start encoding the manufacturing week and year.
Supported Brands
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