Free HVAC Invoice Template (PDF Generator)

How to create an HVAC invoice

1. Add your business, license and EPA Section 608 statement

   Company details and logo, plus the license number and a line noting the technician's EPA Section 608 certification — it belongs on any invoice that touches refrigerant.

2. Enter the customer and the equipment location

   Customer and contact details; switch on Job address if the unit sits at a rental or a second property.

3. Set the invoice number, date and terms

   The number is prefilled and increments after each download. Service tickets are usually due on receipt. Name the job with the system: 'AC no-cool service call — 3-ton split system'.

4. Add the diagnostic fee, the flat-rate repair and every part

   The diagnostic fee as its own row with the credit policy in the details. The repair as a named flat-rate row, the part on its own material row so the Taxable flag sits on the part alone.

5. Put refrigerant on its own line by type and pounds

   Qty is the pounds, the description names the refrigerant (R-410A, R-454B, R-22) and the details tie it to the unit's serial; on a change-out, note what was recovered from the old unit.

6. Record the readings, the warranty split and the registration

   Startup and diagnostic readings in the notes, your labor warranty on one line and the manufacturer's parts warranty on the next, plus whether the warranty was registered and the AHRI reference number on a matched system.

7. Download the PDF and send it from the driveway

   Download and text or email it before the next call; the number bumps for the next ticket.

What to include on an HVAC invoice

What should an HVAC invoice include?

Both serial numbers, the refrigerant, the readings, and who did the work. Write for the second reader — the warranty desk, the utility rebate reviewer, the home inspector — because the homeowner will only glance at the total. That means the outdoor unit's make, model and serial, the indoor unit's too, the refrigerant type and the pounds you added, and the startup numbers: pressures, superheat or subcooling, temperature split. A row of readings wins the callback argument three weeks later.

Then the certification line. Under EPA's Section 608 rules, technicians who maintain, service, repair or dispose of equipment that could release refrigerant must be certified — attaching gauges to measure pressure and adding or removing refrigerant are named specifically. There are four certification types (Type I small appliances, Type II high-pressure, Type III low-pressure, Universal) and the credential does not expire. 'Work performed by EPA Section 608 certified technician — [name]' is the standard line; it's also what a utility program or an attorney looks for first.

How do HVAC contractors price service calls, repairs and tune-ups?

A diagnostic fee plus a flat-rate repair for service work, a flat rate for tune-ups, and hourly only for the open-ended jobs. Housecall Pro's 2026 HVAC pricing guide (updated July 2026) lists labor at $75–$150 per hour, service call fees at $70–$200, nights and weekends at 1.5–2× the standard rate with after-hours diagnostics at $150–$300, routine tune-ups at $70–$100, maintenance plans at $150–$500 a year and a refrigerant recharge at $200–$600 all-in. Fixr's January 2026 guide puts a tune-up at $150–$350 with a $275 average. The gap between those two tune-up ranges is the lesson: there is no market price, only yours — work it out with the hourly rate calculator.

Putting each one on the invoice

• Diagnostic fee: its own row, kind 'Other'. Details: 'credited toward approved repair' or 'not credited', matching what dispatch told them.
• Flat-rate repair: one row named for the repair ('Capacitor replacement — flat rate') with the labor scope in the details; the part on its own material row so the taxable flag sits on the part alone.
• Refrigerant: qty is the pounds, rate is your installed per-pound price, description names the refrigerant ('R-410A refrigerant, added (per lb)'). This Old House's April 2026 guide lists R-410A at $50–$80 per pound installed and R-22 at $90–$150, with leak repair billed separately at $400–$1,500.
• Tune-up: a flat row whose details list what was checked, with the readings in the notes.
• Maintenance plan: an enrollment row stating the visits per year and the repair discount. Whether it's taxable varies by state; ask before you set the flag.
• Emergency: a labeled surcharge row with the dispatch time, not a silently higher hourly. A customer who agreed to it by text and then won't pay is a collections problem, not a pricing problem.

What changed with refrigerants, and how does it show up on the invoice?

Under EPA's Technology Transitions restrictions, new residential and light-commercial air conditioning and heat pump systems have been limited to refrigerants with a global warming potential under 700 since January 1, 2025. EPA's current table allows systems whose components were all manufactured or imported before January 1, 2026 to be installed until January 1, 2027 — and until January 1, 2028 only in buildings whose building permit was approved before October 5, 2023 — under conditions spelled out in its Technology Transitions reconsideration rule; read the table's footnotes before you count on either date. In the field, R-410A equipment is still going in from inventory while new equipment runs on A2L refrigerants. Carrier, for one, says R-454B replaces R-410A in its residential and light-commercial lines, is classed A2L (mildly flammable), and cannot go into existing R-410A systems.

So the invoice now has three jobs: name the refrigerant on every charge line, tie it to a serial number, and on a change-out record what was recovered from the old unit. 'Freon' is a brand name, not a refrigerant. If you're still servicing R-22 systems, say so and price it accordingly — it costs more per pound.

Do HVAC contractors charge sales tax on repairs?

It varies by state, and for HVAC the distinction that usually decides it is repair versus improvement. New York's tax bulletin on capital improvements is a clean example: a capital improvement — a permanent addition that adds value, like installing a new system or water heater — is not taxable to the customer, the contractor pays tax on the materials, and the customer signs Form ST-124. Repair and maintenance work is taxable, and the bulletin's own example of a taxable repair is replacing a thermostat. The same shop charges tax on the service call and none on the change-out.

Other states exempt residential labor outright or tax the whole ticket; ask your revenue department, not a forum. In the generator, each row has a Taxable checkbox and the totals box has a 'Tax labor too?' switch, so the template matches whatever your state says.

What paperwork does the customer need from you for rebates and warranties?

Three things: the AHRI reference number, the warranty registration, and an honest word about tax credits. AHRI's own support note says many rebate programs ask for the AHRI Certificate of Product Performance or the Certified Reference Number, and that a furnace only counts toward a certified AC or heat-pump match when it's the same brand as the outdoor unit. Print it in the equipment details and the customer can file without calling you.

Warranty registration has a clock. Carrier's residential warranty page says eligible equipment registered within 90 days of installation gets a choice of a 10-year parts-only limited warranty or 5-year parts plus 3-year labor; register after 90 days and the standard 5-year parts warranty applies with no labor coverage. Say on the invoice whether you registered it or the homeowner needs to.

On federal tax credits, be careful with 2026 installs. The IRS page for the Energy Efficient Home Improvement Credit states the credit is allowed for qualifying property placed in service on or after January 1, 2023 and before December 31, 2025, after the 2025 legislation accelerated its termination. A heat pump installed this year does not qualify, so don't print a credit promise. Utility and manufacturer rebates continue and want the serials, the AHRI number and the invoice date.

FAQ

• EPA — Section 608 technician certification requirements
• EPA — Questions and answers about the refrigerant sales restriction
• EPA — Technology Transitions HFC restrictions by sector
• Carrier — What is R-454B refrigerant
• Carrier — Residential warranty registration and coverage
• AHRI — Information for rebate applications
• IRS — Energy Efficient Home Improvement Credit
• New York State — Tax Bulletin ST-104, Capital improvements
• Housecall Pro — 2026 HVAC pricing guide
• Fixr — HVAC maintenance cost (January 2026)
• This Old House — How much does Freon cost (April 2026)