# Furnace and air conditioner age

**URL:** <https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514>\
**Category:** Inspecting HVAC Systems\
**Created:** [June 13, 2009, 12:53am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514 "2009-06-13T00:53:44Z")\
**Posts on this page:** 11\
**Page:** 1

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**Author:** ![btreacy](https://avatars.discourse-cdn.com/v4/letter/b/59ef9b/32.png) [@btreacy](https://forum.nachi.org/u/btreacy)\
**Post date:** [June 13, 2009, 12:53am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/1 "2009-06-13T00:53:44Z")

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Please identify age  
Furnace York Serial no. WOL8377526, Mod. No TG8S060A10MP11A

Union Energy  
Air conditioner Serial No. 2100E16822 Mod. No PA10JA024

Thanks

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**Author:** ![wwilson3](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/wwilson3/32/58197_2.png) [@wwilson3](https://forum.nachi.org/u/wwilson3)\
**Post date:** [June 13, 2009, 1:30am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/2 "2009-06-13T01:30:58Z")

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[Serialnumberforyork.pdf](https://forum.nachi.org/uploads/default/original/2X/b/b49a2a050f644ec007533eb1ea0f1cb3d4f81a27.pdf) (174 KB)

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**Author:** ![wwilson3](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/wwilson3/32/58197_2.png) [@wwilson3](https://forum.nachi.org/u/wwilson3)\
**Post date:** [June 13, 2009, 1:31am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/3 "2009-06-13T01:31:10Z")

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there you go

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**Author:** ![wwilson3](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/wwilson3/32/58197_2.png) [@wwilson3](https://forum.nachi.org/u/wwilson3)\
**Post date:** [June 13, 2009, 1:32am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/4 "2009-06-13T01:32:09Z")

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I think the other may be 2000

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**Author:** ![wwilson3](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/wwilson3/32/58197_2.png) [@wwilson3](https://forum.nachi.org/u/wwilson3)\
**Post date:** [June 13, 2009, 1:38am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/5 "2009-06-13T01:38:32Z")

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[FURNACE AGE CHART Udated-1.pdf](https://forum.nachi.org/uploads/default/original/2X/4/4b4a6494e6b619e28273180fe708c151e8d3ea11.pdf) (92.3 KB)

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**Author:** ![mnahrgang](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/mnahrgang/32/2365_2.png) [@mnahrgang](https://forum.nachi.org/u/mnahrgang)\
**Post date:** [June 13, 2009, 1:45am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/6 "2009-06-13T01:45:25Z")

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And there he went. 🙂

Bruce, I don’t have any notes on Union Energy, but guessing from the serial number I would say the AC is likely to be manufactured the 21st week of 2000.

Is that reasonable from the home, and other info available to you?

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**Author:** ![wwilson3](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/wwilson3/32/58197_2.png) [@wwilson3](https://forum.nachi.org/u/wwilson3)\
**Post date:** [June 13, 2009, 2:18am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/7 "2009-06-13T02:18:18Z")

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> [@mnahrgang](#):
>
> And there he went. 🙂
> 
> Bruce, I don’t have any notes on Union Energy, but guessing from the serial number I would say the AC is likely to be manufactured the 21st week of 2000.
> 
> Is that reasonable from the home, and other info available to you?

You are stalking me lolol

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**Author:** ![mnahrgang](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/mnahrgang/32/2365_2.png) [@mnahrgang](https://forum.nachi.org/u/mnahrgang)\
**Post date:** [June 13, 2009, 2:23am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/8 "2009-06-13T02:23:48Z")

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> [@wwilson3](#):
>
> You are stalking me lolol

LOL, no but I learned something from the sheet you posted here. Thanks

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**Author:** ![wwilson3](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/wwilson3/32/58197_2.png) [@wwilson3](https://forum.nachi.org/u/wwilson3)\
**Post date:** [June 13, 2009, 2:25am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/9 "2009-06-13T02:25:12Z")

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> [@mnahrgang](#):
>
> LOL, no but I learned something from the sheet you posted here. Thanks

Your welcome I am always read to help if i can:cool:

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**Author:** ![jbushart](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@jbushart](https://forum.nachi.org/u/jbushart)\
**Post date:** [June 13, 2009, 1:15pm UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/10 "2009-06-13T13:15:34Z")

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Nordyne A-coil, Model C3QA-055U-B, Serial C3A040500759

Can I get a manufacturing date, please?

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**Author:** ![rray](https://sea2.discourse-cdn.com/internachi/user_avatar/forum.nachi.org/rray/32/2162_2.png) [@rray](https://forum.nachi.org/u/rray)\
**Post date:** [June 14, 2009, 12:10am UTC](https://forum.nachi.org/t/furnace-and-air-conditioner-age/39514/11 "2009-06-14T00:10:13Z")

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> [@jbushart](#):
>
> Nordyne A-coil, Model C3QA-055U-B, Serial C3A040500759
> 
> Can I get a manufacturing date, please?

May 2004