AirEase HVAC Age Lookup Tool
Decode your AirEase serial number to find the manufacturing date, system age, and maintenance recommendations. Free and instant. No account needed.
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Finding Your AirEase 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 AirEase HVAC Systems
Owned by Lennox International
AirEase is a residential HVAC brand from Lennox International's Allied Air Enterprises division, available exclusively through independent dealers. It sits in the middle of the Allied product hierarchy, above Aire-Flo on features and efficiency and below Lennox's own premium brand on price.
All AirEase equipment is built at the Allied facility in Iowa using Lennox engineering standards. Serial numbers follow the same format used across Allied and Lennox brands: the first four digits encode the manufacturing week and year.
Common AirEase HVAC Models & Series
The most-installed AirEase residential systems on the market today, organized by tier. Knowing your series helps narrow down service parts and warranty terms.
| Series | Type | Tier | Efficiency | Notes |
|---|---|---|---|---|
| 4SCU20LX | Air Conditioner | Premium | Up to 20 SEER2 | Variable-capacity inverter; the same chassis as Lennox EL18XCV. |
| 4SCU18LE | Air Conditioner | Mid-range | Up to 18 SEER2 | Two-stage scroll compressor. |
| 4SHP18LE Heat Pump | Heat Pump | Mid-range | Up to 18 SEER2 / 9 HSPF2 | Two-stage scroll heat pump. |
| 4AC14L / 4AC13L | Air Conditioner | Entry | Up to 14.3 SEER2 | Single-stage; the volume seller. |
| A97MV | Gas Furnace | Premium | Up to 97 AFUE | Modulating gas, variable-speed ECM blower. |
| A95UH1E | Gas Furnace | Mid-range | Up to 95 AFUE | Single-stage condensing furnace. |
AirEase HVAC Quick Facts
Warranty
AirEase offers a 10-year parts and 10-year compressor warranty when registered within 60 days, with a 20-year heat-exchanger warranty on condensing furnaces. Unregistered units drop to 5 years parts and 5 years compressor.
Expected Lifespan
AC / Heat pumps: 13 to 18 years
Furnaces: 18 to 25 years
Where It's Built
Orangeburg, South Carolina (Allied Air Enterprises plant). AirEase shares production lines with Armstrong Air, Aire-Flo, Concord, and Ducane.
Price Positioning
Mid-tier — typically priced 15-25% below comparable Lennox Elite or Signature equipment for the same Allied chassis.
Known AirEase Issues to Watch For
A short list of patterns reported on AirEase equipment. Most have been addressed with revised designs or service bulletins, but they're useful context if you're diagnosing an older system.
- •Mid-tier AirEase condensers share the copper-aluminum coil joint design used across Allied; some units developed formicary corrosion in homes with off-gassing during the 2010-2015 era.
- •Comfort Sync thermostats used on Pro-series equipment had occasional Wi-Fi pairing issues; firmware updates have addressed most.
- •AirEase distribution is regional — coverage in the western US is thinner than for Lennox-branded equipment, which can affect parts availability.
AirEase HVAC FAQs
Related HVAC Brands
AirEase shares a parent company with these brands -- they often use similar serial number formats and components.
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