What goes on an HVAC invoice
- •Your business name and contact details, and your license number if your state requires it.
- •The customer’s name and the service address.
- •The equipment serviced — make, model and serial number for anything major — so the invoice doubles as a record.
- •A short description of the problem and the fix, in plain language.
- •A diagnostic or service-call fee, labor, each part, any refrigerant charge and any permit fee, each on its own line.
- •An invoice number, a date, a real due date and how the customer can pay.
Diagnostic fee, labor and parts
Most HVAC service calls break into three charges: finding the problem, fixing it, and the parts used. Show all three. If you credit the diagnostic fee when the customer goes ahead with the repair, show the fee and the credit, so they can see it was applied. Read how to charge and invoice a diagnostic fee for the details.
Refrigerant, equipment and maintenance agreements
Refrigerant, installed equipment and big-ticket parts each get their own line with a quantity and price. Put the model and serial number in the description for major equipment. For maintenance agreements, invoice the agreed fee on the schedule in the agreement, say what it covers, and keep any repairs outside the agreement on separate lines at your normal rates.
Getting paid
Invoice before you leave the property, while the system is running and the customer is comfortable. If an invoice runs late, these payment reminder email templates help, or set up automatic invoice reminders.
Frequently asked questions
What should an HVAC invoice include?
Your business name, contact details and license number if your state requires it; the customer’s name and the service address; an invoice number and date; the equipment serviced; a short description of the problem and the work done; a diagnostic or service-call fee; labor; each part, refrigerant charge or piece of equipment with its price; any permit fee; the total; the due date; and how to pay.
How do I show a diagnostic fee on an HVAC invoice?
Put it on its own line, named the way you described it when the customer booked. If you credit it when the customer goes ahead with the repair, show both the fee and the credit so the customer can see it was applied.
How should I itemize parts, refrigerant and equipment?
Give each part, each refrigerant charge and each piece of installed equipment its own line with a quantity and price. Add the model or serial number in the description for major equipment, so the invoice doubles as a record for warranty claims.
How do I invoice a maintenance agreement?
Invoice the agreed fee on the schedule in the agreement, and describe what it covers, such as “Spring tune-up — 1 system”. Keep visits that fall outside the agreement, like repairs, on separate lines at your normal rates.
Can I add warranty terms to an HVAC invoice?
Yes. Use the notes to state your labor warranty and any manufacturer warranty on parts or equipment, and how long each lasts. Keep it short and match what you actually offer.