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HVAC Invoice Template
A ready-to-use HVAC invoice template for service calls, installs, and maintenance. Itemize the diagnostic, labor, and parts, then download a clean PDF.
Your Information (From)
Client Information (Bill To)
Invoice Details
Line Items
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Updates as you typeYour Business Name
Invoice
INV-001
Bill To
Client Name
Date
June 11, 2026
Due
July 11, 2026
| Description | Qty | Price | Total |
|---|---|---|---|
| Service call / diagnostic fee | 1 | $89.00 | $89.00 |
| Labor | 2 | $110.00 | $220.00 |
| Refrigerant & parts | 1 | $165.00 | $165.00 |
| Replacement capacitor | 1 | $45.00 | $45.00 |
Notes
Payment due on completion. Parts and labor warrantied for 90 days. We accept card, check, and bank transfer.
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What to include on a hvac invoice
An HVAC invoice should document both the diagnosis and the fix so the customer understands what they paid for and your warranty is enforceable. Include your business name, license, and contact info, the customer name and service address, the equipment serviced (make, model, and unit location), and a unique invoice number. List the diagnostic or service-call fee, labor, and each part used, then note any warranty coverage and the recommended next maintenance date. For installs, record the new unit model and serial number, which the customer will need for manufacturer warranty registration.
Common line items
A typical HVAC invoice is built from these line items:
- Service call or diagnostic fee
- Labor, hourly or flat-rate by task
- Refrigerant (by the pound) and recovery
- Replacement parts: capacitors, contactors, motors, coils
- Equipment for installs: condenser, furnace, air handler, thermostat
- Maintenance plan or seasonal tune-up
Payment terms
Residential HVAC work is usually due on completion, often collected on site by card. For larger installs, a deposit covering equipment up front plus the balance on completion is standard. Commercial accounts and property managers commonly run on Net 30. Note your diagnostic fee policy clearly, especially whether it is waived when the customer approves the repair.
How to get paid faster
Collect payment on site before you leave by bringing a mobile card reader or sending a payment link from your phone. Itemizing the warranty on the invoice reduces callbacks and disputes, and offering a maintenance-plan upsell right on the invoice turns a one-time repair into recurring revenue.
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HVAC Invoice Template FAQs
Should I charge a diagnostic fee on an HVAC invoice?
Most HVAC companies charge a service-call or diagnostic fee to cover the trip and assessment. Many waive or credit it toward the repair if the customer approves the work. State your policy on the invoice so it is clear.
How do I itemize refrigerant on an HVAC invoice?
Refrigerant is typically billed by the pound, with the type (for example R-410A) and quantity shown as a separate line. Keeping it itemized helps with EPA recordkeeping and explains the cost to the customer.
What should an HVAC installation invoice include that a repair invoice does not?
An install invoice should record the new equipment make, model, and serial number, the warranty terms, and any deposit applied. The customer needs the serial number to register the manufacturer warranty.
Do HVAC invoices need to show a license number?
In most states HVAC contractors must be licensed and should display the license number on invoices and contracts. It also reassures customers that the work meets code.
How do HVAC companies usually get paid?
Residential service is generally paid on completion, often by card on site. Installs use a deposit plus balance, and commercial or property-management accounts often run Net 30.
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