Tempstar HVAC Age Lookup Tool
Positioned as ICP's upper-tier residential brand against Lennox and Trane, Tempstar is part of Carrier Global and built in Lewisburg, Tennessee. The build date tells you the age, warranty status, and how soon to think about replacement. Enter your Tempstar serial number to find the manufacturing date and system age for free.
Time to repair or replace your HVAC system?
Compare free quotes from top-rated local pros near you.
Finding Your Tempstar 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 Tempstar HVAC Systems
Owned by Carrier Global (ICP)
Tempstar is ICP's upper-tier residential brand, often positioned against Lennox and Trane in the contractor market. ICP is a Carrier Global division that runs Tempstar, Heil, Arcoaire, Comfortmaker, Day & Night, Keeprite, and Airquest as separate brands with shared manufacturing.
The differentiation is in dealer agreements and branding, not the equipment itself. Tempstar's serial number format is shared across the entire ICP family: two-digit year in positions 2 and 3, manufacturing week in positions 4 and 5.
Common Tempstar HVAC Models & Series
The most-installed Tempstar 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 |
|---|---|---|---|---|
| SmartComfort TVA9 (Ion 19 chassis) | Air Conditioner | Premium | Up to 19 SEER2 | Variable-speed inverter; same chassis as Heil Ion 19. |
| SmartComfort TCA7 | Air Conditioner | Mid-range | Up to 17 SEER2 | Two-stage scroll compressor. |
| Performance N4A4 / N4A5 | Air Conditioner | Entry | Up to 14.3-15 SEER2 | Single-stage; the volume builder unit. |
| SmartComfort TVH8 Heat Pump | Heat Pump | Premium | Up to 18 SEER2 / 10 HSPF2 | Variable-speed inverter heat pump. |
| SmartComfort G97CMN Gas Furnace | Gas Furnace | Premium | Up to 97 AFUE | Modulating gas valve, variable-speed ECM blower. |
| Performance G9MAE / N9MSE | Gas Furnace | Mid-range | Up to 96 / 80 AFUE | Two-stage 96% or single-stage 80% options. |
Tempstar HVAC Quick Facts
Warranty
Tempstar provides a 10-year parts warranty and 10-year compressor warranty with registration within 90 days. Premium SmartComfort gas furnaces include a Lifetime Heat Exchanger warranty to the original homeowner. Unregistered units default to 5 years parts.
Expected Lifespan
AC / Heat pumps: 13 to 18 years
Furnaces: 18 to 25 years
Where It's Built
Lewisburg, Tennessee (ICP's main residential plant). Tempstar shares all production lines with Heil, Comfortmaker, Arcoaire, Day & Night, Keeprite, and Airquest.
Price Positioning
Mid-to-premium — Tempstar is typically positioned slightly above Heil and Comfortmaker within the ICP family, often 5-10% higher at install for the same chassis.
Known Tempstar Issues to Watch For
A short list of patterns reported on Tempstar equipment. Most have been addressed with revised designs or service bulletins, but they're useful context if you're diagnosing an older system.
- •Tempstar shares all of the ICP family chassis design, so it inherits the same micro-channel coil leak rates in coastal environments.
- •Same Observer thermostat sensitivity to wiring as the rest of the ICP family — wired Cat-5 connections are more reliable than 18/8 thermostat wire on multi-stage units.
- •Tempstar is sometimes positioned as a 'premium ICP' brand, but mechanically it's the same as Heil; the price difference comes from the dealer network and warranty packaging, not the equipment.
Tempstar HVAC FAQs
Related HVAC Brands
Tempstar shares a parent company with these brands, so they often use similar serial number formats and components.
Helpful HVAC Guides
Now that you know your Tempstar system's age, these guides help you decide what to do next.
Repair or Replace Your Central Air Conditioner?
Should you repair or replace your AC? Covers the 5,000 rule, repair cost benchmarks, efficiency savings, and when replacement is the smarter choice.
MaintenanceHVAC Maintenance Checklist: What to Do Every Season
A no-fluff seasonal HVAC maintenance checklist. What to DIY each month, what a pro should do twice a year, and what it actually costs to skip it.
Buying GuideWhat Size AC Do I Need? Tonnage Calculator and Guide
How to size a central AC the right way: square footage rules of thumb, when they're wrong, and why a Manual J load calculation is worth insisting on.
Energy EfficiencyHow to Lower Your AC Electric Bill: 12 Proven Ways
Cut summer cooling costs without sweating. 12 changes ranked by payback period, with worked math on what each one actually saves.
Share this tool with friends!
The free HVAC age checker
Time to repair or replace your HVAC system?
Compare free quotes from top-rated local pros near you.
Share this tool with friends!
The free HVAC age checker