🌡️ Trades
Bill for service calls, labor, parts, and refrigerant on one clear invoice - and get paid on-site with a card or ACH link.
No credit card required. Free forever for unlimited invoices.
What to include
🌡️
Most HVAC jobs start with a trip and a diagnosis. List the service-call/diagnostic fee on its own line so customers see it is separate from the repair, and note if it is credited toward the work when they approve it.
🔧
Break out labor hours at your shop rate, then each part (compressor, capacitor, motor, thermostat) on its own line with quantity and price. Refrigerant should be billed by the pound. Clear lines prevent disputes on big-ticket repairs.
🏠
Note the unit serviced - make, model, and ideally the system age or serial - so the invoice doubles as a service record for warranty claims and the next technician who visits.
💳
State payment terms and any warranty on parts and labor. HVAC is a great recurring-revenue business, so use the invoice to mention maintenance plans and add a card/ACH link for on-the-spot payment.
Pro tips
Send the invoice from the truck the moment the job is signed off - HVAC techs who text a pay link collect before they leave the driveway instead of mailing statements.
Bill refrigerant by the pound on its own line; lumping it into "parts" is the most common cause of HVAC invoice disputes.
Quote an estimate first for replacements and convert it to the invoice, so the homeowner sees the approved price next to the final bill.
Use the notes field to upsell a maintenance plan - recurring tune-ups are the easiest way to smooth out seasonal cash flow.
Record the unit model and serial on every invoice so it becomes a searchable service history for that address.
FAQs
An HVAC invoice should include your company details, the customer and the equipment serviced, the service-call/diagnostic fee, itemized labor and parts, refrigerant billed by the pound, the total, payment terms, and any warranty on the work.
Yes. List the service-call or diagnostic fee as its own line. Many contractors credit it toward the repair when the customer approves the work, which you can show as a separate discount line.
Send the invoice on-site with a one-tap card or ACH link, set "due on receipt" terms, and turn on automatic reminders so overdue balances follow up themselves.
Yes. Create and send unlimited HVAC invoices free with WaffleInvoice, download them as PDFs, and only upgrade if you want online payments, SMS reminders, or removed branding.
Use this template free
No PDF. No signup hassle. Just send.
Billed To
Karen Whitfield
kwhitfield@email.com
Notes
Due on receipt. 1-year warranty on parts and labor. Annual maintenance plans available - ask about our spring/fall tune-up package. Pay by card or ACH using the link above.
Powered by WaffleInvoice
This is a live template in WaffleInvoice. Create your free account to customize and send it.
Ready to send your first invoice?
Stop emailing PDFs and chasing payments manually. WaffleInvoice gives you this template - plus online payments, automatic reminders, and a client portal - completely free.
More templates
Plumbing
Invoice Template
Itemize labor, fixtures, and call-out fees on a clean plumbing invoice - and collect payment before you pack up the van.
View template
Electrician
Invoice Template
Bill for labor, materials, and permits on a professional electrical invoice - and get paid online the day the job is done.
View template
Contractor
Invoice Template
Professional invoices for general contractors and tradespeople - labor, materials, deposits, and change orders.
View template