HVAC invoice template
An HVAC invoice should list the diagnostic fee, each part replaced with its model or rating, refrigerant type and pounds added, labor, any after-hours surcharge, maintenance plan charges, warranty terms and the amount due.
What goes on a hvac invoice
HVAC repair bills follow a familiar pattern. The technician charges a diagnostic fee to find the problem, then quotes the repair, often from a flat-rate price book. Refrigerant is billed by the pound, and the type matters because older refrigerants keep getting more expensive as production is phased down.
This example is a summer no-cooling call in Houston, Texas, on an evening. It includes a failed capacitor and contactor, a leak search, three pounds of R-410A and a pair of filters, and it signs the homeowner up for an annual maintenance plan. The prices are illustrative 2026 rates, not a quote.
Gulf Breeze Heating and Air
dispatch@gulfbreezehvac.example.com · (555) 018-9034
Invoice
INV-1024
Bill to
Linda Okafor
Due
October 20, 2026
Amount due
$1,339.00
| Description | Qty | Amount |
|---|---|---|
| Diagnostic fee | 1 | $99.00 |
| Run capacitor, 45/5 MFD, replaced | 1 | $225.00 |
| Contactor, 2 pole 40 amp, replaced | 1 | $195.00 |
| Electronic leak search | 1 | $185.00 |
| Refrigerant R-410A (pounds) | 3 | $285.00 |
| After-hours service surcharge | 1 | $125.00 |
| Pleated air filter, 16x25x1 (each) | 2 | $36.00 |
| Annual maintenance plan, 2 tune-ups per year | 1 | $189.00 |
- Total
- $1,339.00
Small leak found at the service valve and tightened; we recommend a recheck at your spring tune-up. Parts carry a 1-year warranty. Your first maintenance visit is due in March.
Fill in this hvac invoice online
The lines are already in. Change them to your own job, then download a free PDF. Nothing you type leaves this browser.
Your business
Invoice
INV-0001
Bill to
Client name
Due
October 21, 2026
Amount due
$1,339.00
| Description | Qty | Amount |
|---|---|---|
| Diagnostic fee | 1 | $99.00 |
| Run capacitor, 45/5 MFD, replaced | 1 | $225.00 |
| Contactor, 2 pole 40 amp, replaced | 1 | $195.00 |
| Electronic leak search | 1 | $185.00 |
| Refrigerant R-410A (pounds) | 3 | $285.00 |
| After-hours service surcharge | 1 | $125.00 |
| Pleated air filter, 16x25x1 (each) | 2 | $36.00 |
| Annual maintenance plan, 2 tune-ups per year | 1 | $189.00 |
- Total
- $1,339.00
Small leak found at the service valve and tightened; we recommend a recheck at your spring tune-up. Parts carry a 1-year warranty. Your first maintenance visit is due in March.
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How to fill in a hvac invoice template
- 1
Open the template
Fill in the hvac invoice template on this page, or download it for Word, Excel or PDF.
- 2
Add your business and client
Enter your business name, contact details and logo, then the client's name and address.
- 3
Set the number and dates
Give the invoice a number, the date you issue it and the date payment is due.
- 4
List the work
Add each line with quantity and rate, such as diagnostic fee and run capacitor, 45/5 mfd, replaced. Add tax, a discount or a deposit if needed.
- 5
Download or send it
Download the PDF, or save it to a free Invoicefy account to send a pay link with automatic reminders.
How to bill as a HVAC technician
Credit the diagnostic fee when they approve the repair
Many shops apply the diagnostic fee toward the repair if the customer says yes. It makes the fee easier to accept on the phone and still pays you when someone only wants the diagnosis. Say which policy you use on the invoice.
List refrigerant by type and pound
Write the refrigerant name and the pounds added, not just 'recharge.' Customers can compare prices, and the record helps the next tech spot a slow leak. Mention that ongoing leaks need repair, not repeated top-offs.
Write part ratings on every line
A capacitor's MFD rating, a contactor's amperage or a motor's horsepower turns a vague bill into a record. It also makes warranty claims with your supplier faster.
Sell maintenance plans, and bill them on schedule
Plans with two tune-ups a year smooth out the slow seasons and keep customers loyal. Bill them yearly, or monthly if you prefer smaller amounts. Invoicefy can repeat that invoice monthly or yearly so plan renewals don't depend on your memory.
Separate parts warranty from labor warranty
Manufacturer warranties often cover the part but not the labor to replace it. State both clearly. That way a customer whose compressor fails in year three understands why there is still a labor charge.
Questions people ask
Older refrigerants like R-410A are being phased down under federal rules, so supply shrinks and prices rise. Newer systems use different refrigerants. Billing by the pound with the type named keeps it transparent.
It's your call. Crediting it wins more approvals, while keeping it separate is simpler. Whatever you choose, tell the customer before you arrive.
It varies. Some states tax parts and equipment, some tax repair labor, and a few treat a new system install as part of the building. Check with your state's tax agency.
Add up the time for two tune-ups, filters and any member discount, then set a yearly price you're comfortable discounting repairs against. As an example, $150 to $250 a year is common for a single residential system.
Yes. An after-hours or emergency surcharge is standard in HVAC. Quote it on the phone and show it as a separate line so the customer sees the base repair price too.
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