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HVAC Invoice Software For Service Calls And Installs

HVAC invoice software that quotes the install, invoices the service call and sets up each maintenance agreement once, so a draft is ready on every billing date.

Free plan, no card needed · Cancel any time · Export your data whenever you like
Invoice list with paid, awaiting and overdue totals, each invoice's status and how often it was opened

Stop Billing Slipping In Peak Season

When calls run from seven until dark, paperwork waits.

July Backlog

Job sheets pile up on the passenger seat, and some never get billed.

Forgotten Agreements

Maintenance agreements leak when nobody remembers the right month.

Routine Billing

QuickBilling makes both routine: invoice on site, agreements on schedule.

Billing That Keeps Up With The Season

Every tool fits between calls.

Maintenance Agreements On Schedule

Monthly to annual; each cycle prepares a draft. Annual plans renew on the anniversary; quarterly plans create four drafts a year.

Install Quotes In One Click

Equipment, labor and tax on a quote that becomes the invoice once approved.

Parts Costs Next To Revenue

Equipment, parts, refrigerant and fuel, linked to the customer.

Proof The Invoice Landed

See when the homeowner opened it, and remind automatically if you choose.

Maintenance Plans You Can Count On

Set a start date, cycle and end once. Each billing date prepares a draft for you to review and send.

  • Tune-ups, filter changes and service plans
  • Pause and restart without rebuilding
  • Automatic reminders you can switch off
Invoice table with paid, awaiting and overdue totals and how often each invoice was opened

Three Steps From Call To Cash

No office trip needed.

01

Quote Or Invoice

From a saved template with your labor rates.

Invoices and estimates with their status, amount and number of opens
02

Send From Your Phone

A mobile-friendly link the homeowner opens.

QuickBilling invoice editor with an active share link and a live PDF preview
03

Let The Follow-Up Run

Reminders go out; you see opens.

Sample invoice from a design studio with line items, total and due date

Invoice As A Team

Bring your dispatchers and office staff in on Premium or Unlimited (invited members get full admin access).

  • Unlimited gives each brand its own workspace
  • Your logo on the invoice page on paid plans
  • Your branding instead of ours on shared pages
Invoice template library with a live preview of the selected template

Job Sheets Vs QuickBilling

Same jobs, fewer leaks.

The Old Way

Job sheets on the passenger seat

  • Agreements billed from memory
  • Install quotes retyped
  • Chasing by phone

With QuickBilling

Invoice sent from the job

  • Agreements prepared on schedule
  • Quotes convert intact
  • Automatic reminders and open tracking

Built For Real HVAC Work

Emergency No-Cool Call

Invoice the service call, labor and part from the driveway.

System Replacement

Quote equipment, labor and tax; convert it when the homeowner approves.

Annual Tune-Up Plans

Every plan renews on its anniversary as a draft.

Commercial Maintenance

Quarterly drafts for each site, with the same format every time.

What’s Included For HVAC

Real features, on every plan.

  • Invoice from your phone’s browser
  • Labor-rate templates
  • Install quotes
  • One-click quote to invoice
  • Recurring maintenance drafts
  • Payment reminders
  • Bank transfer and PayPal details
  • Parts and equipment expenses
  • Profit and loss reports
  • Open tracking

What Customers Say

“I built QuickBilling because sending an invoice should feel like sending a link. I want to know when it has been opened, and I want reminders to go out before and after the due date without me writing them by hand.”

Saif Qureshi
Saif QureshiFounder, Solution Plus Tech Consultancy, Sharjah

“I send an estimate as a link, my client accepts it without needing an account, and I convert it to an invoice in one click.”

Usama Ahmad
Usama AhmadKlyrox.ai

“I can see when a client has opened an invoice, and the reminder schedule does the nudging for me. I no longer write those awkward follow-up emails.”

Emily Carter
Emily CarterFreelance brand designer, Austin, Texas

Why Businesses Trust QuickBilling

Encrypted In Transit And At Rest

HTTPS on every connection; stored data encrypted at rest by our database and storage providers.

Separate Workspaces

Every request is checked against your workspace and role.

Your Data Stays Yours

Export your account as JSON and invoices or reports as CSV, or delete your account.

Never Sold, Never Used For AI Training

No selling, no advertising, no training AI on your content.

Clear About Where Data Lives

Servers and files in Sweden (EU); database and email in the US. Operated from Sharjah, UAE.

A Record For Every Signature

Each signed estimate has a record: name, time, IP, device and SHA-256 fingerprint.

Simple Plans, Free To Start

In US dollars. Save 10% yearly. Cancel any time.

Free $0/ month

For your first invoices and seeing when clients open them.

  • Up to 5 customers
  • Unlimited invoices and estimates
  • 2 invoice templates
  • See when and how often links are viewed

Premium $15/ month

For freelancers with a steady client list.

  • Unlimited customers
  • You + 2 team members
  • All 14 templates plus your own
  • IP, location and device tracking
  • Your own branding

Unlimited $30/ month

For agencies, several businesses or API work.

  • Everything in Premium
  • Unlimited workspaces and team members
  • REST API keys
  • 1,000 AI assistant messages a day

HVAC Invoice Software FAQs

Short answers to what people ask before they start.

What Is HVAC Invoicing Software?

Billing software for service calls, install quotes and maintenance agreements. QuickBilling handles all three in one workspace.

Can I Bill Maintenance Agreements On A Schedule?

Yes. Set the start date, cycle and end once; each invoice is prepared as a draft on its date for you to send.

Can I Invoice From The Job Site?

Yes, from your phone’s browser. Pick a template, add parts and labor, and send a link.

Can I Quote System Replacements?

Yes. Send an itemized quote with equipment, labor and tax, then convert it once approved.

Can I Track Parts Costs?

Yes. Log equipment, parts, refrigerant and fuel against the customer, next to your revenue.

Can Dispatchers Or Office Staff Invoice?

Yes, on Premium or Unlimited. Invited members get full admin access, and Unlimited adds a workspace per brand.

How Do Customers Pay?

By bank transfer or PayPal, shown on the invoice, share page and PDF. Customers don’t need an account.

Is There A Free Plan?

Yes. Free covers up to 5 customers with unlimited invoices and estimates, and needs no card.

Is This HVAC Business Invoicing Software?

Yes: send the invoice from your phone's browser after the call, quote installs as estimates and keep maintenance contracts as recurring drafts.

Get Through Peak Season Without A Billing Backlog

Start your free HVAC invoice and set up your agreements once.

QuickBilling overview: setup checklist, last month's result, cash flow and overdue invoices