Free HVAC labels

You can make HVAC labels for free: unit tags and filter-change stickers, printed straight from your equipment list. Put the equipment ID where a tech can read it, then the model, serial and the date you were there.

Print one equipment tag

Make the ID big, add the model and serial if they fit, and stick one on a unit before you print the building. No signup.

Open the HVAC tag →

• Good forUnit tags on air handlers, disconnects and filter doors, plus service stickers.
• Label size2x1 when the barcode and ID are enough, 3x2 for a filter-change sticker, 4x2 for model and serial.
• Prints onA thermal label roll, one row of your equipment sheet per unit.

HVAC equipment label examples you can open

These are real renders from the editor. The units, rooms and company name are made up. Click one and it opens with the same layout and text, ready for your own IDs.

Filter-change label from an equipment list3 x 2 in. Unit, Filter, Changed columns, unit barcode. Compact unit ID2 x 1 in. Owner, unit ID, CODE128 of the same ID. Larger service label4 x 2 in. Room, unit, part type, filter size.

What goes on an HVAC unit tag

The unit tag answers one question: which air handler is this?

Use the ID your company already says out loud. AHU-3, RTU-2, or the name on the drawing is enough if everyone uses that name.

Under it, the area served matters more than anything clever. "2nd floor east" beats a paragraph about the renovation.

Model and serial belong on the tag when the nameplate is faded, or behind a panel you don't want to pull on a hot roof.

The filter-change sticker is a different label

Date, initials, filter size and the next change. That's the service line.

A tech shouldn't peel off the equipment ID to write a filter date on the metal. Print a fresh service sticker, or leave a blank date field to fill in with a pen if the visit isn't in the sheet yet.

Don't put a service history on the label that the label can't know.

2x1 for the scan, 4x2 when the nameplate is gone

A 2x1 thermal label is enough when the barcode is what the tech scans and the ID is printed under it. It fits a disconnect and a small access panel.

A 4x2 gives you room for model, serial, filter size and a date without shrinking the ID to nothing. A 3x2 sits in between and suits the filter door.

Match the label to the flat spot you'll actually stick it on. A curved line set cover is a bad place for a wide sticker.

Print HVAC labels from your equipment spreadsheet

The spreadsheet is the job. Columns that work: unit ID, area, model, serial, filter, last service date. Here is the fictional sheet behind the first example:

Copy the model and serial from the nameplate, not from memory. A transposed serial becomes the wrong filter and the wrong manual. If a nameplate is already unreadable, note that in the sheet and print what you know instead of guessing a digit.

Filter size gets its own column. "16 x 25 x 1" on the door saves the next visit from opening three housings. Leave a column blank rather than stuffing notes into the ID. The ID has to stay short enough to scan, and to shout across a roof.

1. Open https://app.mylabelmaker.com with the HVAC tag sample. No signup. The sheet above is already loaded so you can see how it works.
2. Set the label size to your roll: 2x1, 3x2 or 4x2.
3. Click Data and upload your equipment sheet as Excel or CSV, or paste the rows. One row is one unit.
4. Click a text box, then Variables, and pick the column for it. Put the unit ID in the largest type. Add a Barcode of the same ID if techs scan the unit.
5. Step to the longest area name and check it still fits. Proof it on a 2x1 before you print 80 tags that cut off "mechanical penthouse."
6. Open Edit row and tick the units for this visit, then click Print. Print one first, stick it where a flashlight can see it, and read it from the doorway.

Sort the sheet by building, then by room, so the labels come out in the order you walk the mechanical rooms. If the name won't fit, a 4x2 is the way out. A smaller font that nobody can read in a chase isn't.

Units numbered in a run, like FCU-01 to FCU-40? Sequential numbered labels fill those in with the prefix and leading zero kept. For the general spreadsheet steps, see printing labels from Excel.

What these labels don't do

This prints the sticker. It doesn't schedule maintenance, store the refrigerant charge, or replace your service software. It doesn't certify the label material for outdoor use or any equipment standard either. Shelves of spare filters and parts are a separate job, covered under inventory labels.