About Guardian
It appears that Guardian may no longer exist. All indications point to Guardian being absorbed by Johnson Controls and merged into York.
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Click to scroll to Guardian contact information
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It has come to our attention that this brand may have been discontinued and is no longer in production.
HVAC Age / Serial Decoder
Most Recent
The most recent serial number variation is listed below. Guardian appears to be a defunct brand and updates are unlikely.
Most Recent
Example Serial Number
A
2
Year
C
Month
0
Year
1
2
3
4
5
6
The second and fourth numbers are used to determine the year of manuacture, the third is the month. In this case it would represent March, 2020.
Month Translation
| A | January |
| B | February |
| C | March |
| D | April |
| E | May |
| F | June |
| G | July |
| H | August |
| J | September |
| K | October |
| L | November |
| M | December |
Contact Information for Guardian
Phone Numbers
No phone numbers on file.
Email Addresses
No email addresses on file.
Websites
No websites on file.
Addresses
No websites on file.Attributions
No attributions on file.
Important Note: All trademarks belong to their respective owner(s). No ownership is implied by Inspector Handbook. Inspector Handbook is a data aggregate that utilizes manufacturer and third party data to compile the information presented. Inspector Handbook or it's affiliates do not claim ownership of any trademarked materials.