Sum Based on a Single Criteria Across Multiple Sheets

Sheet1 Sheet2 Sheet3 Summary
Summing Based on a Single Criteria Across Multiple Sheets - Sheet1 Summing Based on a Single Criteria Across Multiple Sheets - Sheet2 Summing Based on a Single Criteria Across Multiple Sheets - Sheet3 Summing Based on a Single Criteria Across Multiple Sheets - Summary

The following formula returns the sum of H2:H5 from each sheet listed in A2:A4 of the Summary sheet, where the corresponding value in G2:G5 equals the value in C2 of the Summary sheet...

=SUMPRODUCT(SUMIF(INDIRECT("'"&A2:A4&"'!G2:G5"),C2,INDIRECT("'"&A2:A4&"'!H2:H5")))

Based on the sample data, the formula returns 150.

Sample Workbook: Download