Free HVAC Invoice Template
Whether you're installing a new air conditioning system, repairing a furnace, or performing routine HVAC maintenance, you need a reliable way to bill your customers. A clear, professional HVAC invoice ensures you get paid for your work while keeping everything organized for you and your customers.

- PDF, Email or Print
- Convert to a Receipt
- See when your invoice has been opened
- Keep track of due dates and payments
HVAC Invoice Templates by Docelf
If you're an HVAC technician or contractor, Docelf’s HVAC Invoice Templates help you create detailed and professional invoices in minutes. You can list parts, labor, service details, and any additional fees, ensuring your customers understand the breakdown of charges.
Other Invoice Template File Formats
Looking for an invoice template that fits your workflow? We offer options in Word, Google Docs, Excel, and Google Sheets to suit your needs.
Need a polished and professional layout? A Microsoft Word invoice template keeps formatting easy and flexible. If you prefer automated calculations and team collaboration, an Excel or Google Sheets invoice template is a great choice. For simple, cloud-based editing, a Google Docs invoice template ensures quick and accessible invoicing.
No matter your industry, these templates help you create invoices that are professional, clear, and easy to use.
- Word Invoice Template
- Google Docs Invoice Template
- Excel Invoice Template
- Google Sheets Invoice Template

- PDF, Email or Print
- Convert to a Receipt
- See when your invoice has been opened
- Keep track of due dates and payments
How to Write an HVAC Invoice
A professional HVAC invoice helps you keep track of completed jobs, labor costs, and parts used while ensuring clear communication with your customers. It should include your business name, contact details, a description of services provided, material costs, labor charges, and payment terms. A well-structured invoice not only makes payments smoother but also helps build trust with your customers.
Creating a professional invoice with Docelf is easy—just follow these 10 steps:
- Add Your Business Details: Enter your company name, address, phone number, and email.
- Upload Your Logo: Add your logo for a polished, branded look.
- Enter Customer Details: Fill in the customer's name, company (if applicable), address, and contact details.
- Assign an Invoice Number and Dates: Choose a unique invoice number, add the invoice date and due date.
- List Products or Services: Itemize what you provided, including description, quantity, and unit price.
- Include Taxes and Discounts: Add applicable taxes and discounts—Docelf updates the total automatically.
- Check the Total: Review the final amount before sending to ensure accuracy.
- Add Payment Instructions: Specify accepted payment methods, bank details, or any special instructions.
- Set Your Terms and Conditions: Include payment terms (e.g., "Net 30 days"), late fees, or refund policies.
- Send, Download, or Print:
- Email: Send directly from Docelf and track when it’s opened.
- Download: Save a PDF for easy sharing.
- Print: Keep a hard copy if needed.
That’s it! A professional invoice in minutes—clear, simple, and hassle-free.

- PDF, Email or Print
- Convert to a Receipt
- See when your invoice has been opened
- Keep track of due dates and payments
Customize the HVAC Invoice
Your HVAC business is unique, and your invoices should reflect that. With Docelf, you can personalize your HVAC Invoice Template by adding your logo, adjusting fonts, and using colors that match your branding. Whether you're invoicing for a full system installation, emergency repair, or routine maintenance, a well-designed invoice shows professionalism and helps ensure timely payments.
Your invoice isn’t just a bill—it’s part of your brand. Customize it with these simple options to make every invoice look professional and uniquely yours.
- Add Your Logo: Build trust and make your invoices instantly recognizable.
- Pick Your Fonts and Colors: Choose a font and color that reflect your business style.
- Choose Your Currency: Select from USD, AUD, CAD, GBP, and EUR for international invoicing.
- Customize Your Invoice Name: Rename your invoice to match your business needs, whether you're a contractor, freelancer, or service provider.
- Personalize Your Footer: Add key details like your email, phone number, or website to keep communication easy.
- Attach Supporting Documents: Include contracts, breakdowns, or reference images to provide extra clarity.
With these options, your invoices will look as polished and professional as your business. Happy invoicing!

- PDF, Email or Print
- Convert to a Receipt
- See when your invoice has been opened
- Keep track of due dates and payments