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
Three Steps From Call To Cash
No office trip needed.
Quote Or Invoice
From a saved template with your labor rates.
Send From Your Phone
A mobile-friendly link the homeowner opens.
Let The Follow-Up Run
Reminders go out; you see opens.
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.”
“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.”
“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.”
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
Invoicing For Other Trades
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.






