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Level 1
January 28, 2026
Question

qmid where would i find that on the window

  • January 28, 2026
  • 5 replies
  • 7 views
I have the window numbers and none of them are leter, number, letter number. they are more

5 replies

Mike9241
Level 15
Level 15
January 28, 2026

On the consumer side, the QMID requirement changes how you shop. It is no longer enough to ask whether a window is efficient; you now need to confirm that the manufacturer has assigned a qualified product identification number and that this number will appear on your documentation - Invoice or other documentation received from the contractor. Guidance aimed at homeowners notes that starting in 2025, the Internal Revenue Service is implementing new identification rules for the Energy Efficient Home Improvement Tax Credit, and that you will need the manufacturer’s code in order to claim the credit. That means you should ask your contractor or supplier to provide the exact model numbers and the associated identifier in writing before installation.

 

The QMID may not be on the windows. So call the contractor if you cannot locate it. 

Mike9241
Level 2
January 31, 2026

These people don't live in the real world, none of that is on a invoice.  What a waste of time for $600?  

GabiU
Level 13
January 28, 2026

Hi @char9324 & @Mike9241 --We're investigating the program repeating the QMID error message when the format is correct. If this sounds related to what you're describing, reply back to this message and I'll make sure you get email updates for when this is resolved. 

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Mike9241
Level 15
Level 15
January 28, 2026

QMID error when properly formatted seems to occur for numerous users. 

Mike9241
Level 2
February 13, 2026

We went through all the trouble of contacting the manufacturer of our new windows to get the QMID and then discovered the IRS has qualified manufacturers and ours was not one of them.  Per the IRS, " A qualified manufacturer for Energy Efficient Home Improvement Credits must meet all the requirements under IRC 25C(h)(3).  The manufacturer must also be entered into a written agreement with the IRS." 

https://www.irs.gov/credits-deductions/energy-efficient-home-improvement-credit-qualified-manufacturers

 

 

Level 2
April 15, 2026

Common Window Manufacturer

QMIDs

If your Low-E windows are from a major manufacturer, use the codes below for IRS Form

5695: 0

  • Pella: V9WO
  • Cornerstone Building Brands (Atrium,
  • Simonton, Silver Line): C3N5
  • Alside / Window World: S9A4
  • Jeld-Wen: 01T8
  • PGT Windows and Doors: V3V8
  • Masonite: A2K4

• Lowes ReliaBilt Me... +6

Level 2
April 15, 2026

Common Window Manufacturer: QMIDs

If your Low-E windows are from a major manufacturer, use the codes below for IRS Form 5695: 0

  • Pella: V9WO
  • Cornerstone Building Brands (Atrium,
  • Simonton, Silver Line): C3N5
  • Alside / Window World: S9A4
  • Jeld-Wen: 01T8
  • PGT Windows and Doors: V3V8
  • Masonite: A2K4

• Lowes ReliaBilt Me... +6