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Plumbing & HVAC airmail envelope template

Free envelope template

Plumbing & HVAC airmail envelope template

Branded envelopes make invoices, cards and letters from plumbers and HVAC companies recognisable before they're opened. Edit it free online, then download or print it.

Edit this template free

No sign-up needed to start. Your design is saved when you create a free account.

  • Change every word, colour, font and photo
  • Add your logo — or make one free with our logo maker
  • Download a PNG free, or a print-ready PDF with Pro or for $2.99

Available sizes

  • Envelope #10 · 9.5 × 4.125 in
  • Envelope DL · International size

How plumbers and HVAC companies use this envelope

Use them for invoices, thank-you notes, gift certificates and mailings. Worth including: licensed, insured and available 24/7 if you are.

Make the emergency number the biggest thing on the piece; people keep it for the day they need it. Print a small batch first and run one through your printer to check alignment.

What to put on it

  • Logo and return address in the top-left corner
  • Clear space for the recipient's address and postage
  • Optional short message on the back flap

Sizes and paper

This template comes in 2 sizes, including Envelope #10 and Envelope DL (International size). #10 envelopes (4.125 × 9.5 in) hold a letter folded in three. Keep the address and postage areas clear for the post office.

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