Style 1:

The Date of Manufacture is in the first four digits of the serial number and represent the month and year of production:



12 04 D01634

Month 12

Year 04


Style 2:

The Date of Manufacture is in the middle group of digits following a letter designation of either “M” or “F” and represents the week

and year of production:


OR177 M2807 00197

OR177 M 28 07 00197

Week 28

Year 07


5790 M1597 38699

5790 M 15 97 38699

Week 15

Year 97



W 29 10 15412

Week 29

Year 10



CB5D402F 09 99 03346

Week 09

Year 99


Style 3:

The Date of Manufacture is coded in the last four digits of the 9-digit serial number and represents the week and year of production:



12945 18 72

Week 18

Year 72

About HVAC Consulting

HVAC Consulting was created to simplify HVAC claims for all involved. Founded in 2010, Zap and HVAC Consulting now provide hundreds of insurance companies and thousands of claims professionals with the support of a firm of consultants working together to defer fraud, facilitate the claims process, and remain unbiased in each and every assignment.

New & Notable

Submit an Assignment

Our outstanding services pair a field inspection with an in-house research process conducted by our team of professional Report Analysts.


Let us help you simplify your

claim today!

Contact Info


6701 Carmel Road, Suite 116

Charlotte, NC 28226

For assignment questions or pricing:


  • Facebook
  • Twitter
  • LinkedIn