HVAC billing software
HVAC billing software for maintenance agreements and the repairs around them. Members pay a monthly agreement fee through your client portal, their spring and fall tune-ups are scheduled without a second invoice, and commercial rooftop contracts bill every visit the day it closes.
14 days free · No credit card · Built in Florida

Agreement members pay monthly
Sell your maintenance agreement as a monthly or yearly plan. Homeowners join from your client portal; Stripe then bills the card on schedule, and every payment lands as an invoice with a receipt emailed to the member.
Recurring plansTune-ups without a second bill
The two included tune-ups are booked with a zero-priced tune-up service, so members are never billed for work their agreement covers, and a six-month maintenance reminder flags the next one. Repairs found on the visit are quoted on their own.
SchedulingRooftop contracts for businesses
A restaurant's rooftop units get a quarterly visit at the agreed rate, and with auto-invoice on, the bill exists as soon as the visit is closed.
Recurring jobsAgreement cards that fail
When a member's renewal is declined, the plan turns past due and you get an email, so the office calls before the member expects a priority visit.
PaymentsRepairs on members' accounts
Repair invoices sit on the same statement as the agreement payments, and anything past due shows in the aging columns.
ReportsHVAC billing features
What it does
- Maintenance agreement plansMembers enroll online
- Included tune-ups not billedZero-priced tune-up service
- Commercial service contractsInvoice on completion
- Declined renewal alertsEmail to the office
What it doesn't do
- Member discounts on repairsPrice the repair lines
- Agreement renewal lettersStripe renews the plan
- Plan pause for snowbirdsCancel and rejoin
- QuickBooks syncCSV export
Smarfle vs ServiceTitan for HVAC
| Smarfle | ServiceTitan | |
|---|---|---|
| Entry plan | Solo $19, 1 user | From around $398 per user |
| Mid plan | Starter $99, 5 users | Quoted, plus modules |
| Payment links and auto-charge saved cards | Yes | Yes |
| Equipment or unit records per customer | Yes | Yes |
| Prices published on the website | Yes | No |
HVAC billing pricing
Agreements and contract visits come with all plans; each agreement payment carries Stripe's fee and a 0.5% platform fee.
Starter
Small teams adding tools and growth
- Up to 5 users (1 owner + 4 techs)
- Up to 2,000 clients
Professional
Growing service businesses
- Up to 10 users
- Up to 5,000 clients
SMS, email, AI, and voice are billed pay-as-you-go. See every plan and usage rate →
HVAC billing questions
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