Best Accounting & Invoicing Software for Plumbing & HVAC Companies in 2026
Plumbing and HVAC companies deal with an accounting challenge that most office-based businesses never face: invoicing happens in a customer's basement at 9pm, materials costs need to be tied to specific jobs, and profitability varies wildly by job type. A water heater replacement looks nothing like a drain cleaning call in the books. Job costing — tracking labor and materials per job to understand which work is actually profitable — is the core accounting capability that separates field service businesses from generic small businesses. The right software handles mobile invoicing, syncs with your field service management platform, and gives you per-job profitability data without a dedicated accountant.
Last updated: 2026-04-23
QuickBooks Online
The most widely adopted accounting platform for trades businesses, with direct integration into leading field service management software.
Why it fits this industry
ServiceTitan, Jobber, Housecall Pro, and most major field service platforms push job data directly into QuickBooks, eliminating double-entry. The Projects feature in QuickBooks Plus enables job costing by tracking income and expenses per job, and QuickBooks Payroll handles hourly technician pay with overtime, commissions, and benefits.
Pros
- ✓Direct integration with ServiceTitan, Jobber, Housecall Pro, and FieldEdge
- ✓Projects feature enables true job costing per service call or installation
- ✓QuickBooks Payroll handles hourly pay with overtime for field technicians
- ✓Widest accountant familiarity in the trades
Cons
- ✕Projects/job costing only available on Plus plan or higher
- ✕Mobile invoicing is limited — most field invoicing is better handled in the FSM platform
- ✕Subscription costs increase significantly with payroll add-on
Pricing: Simple Start $35/month; Plus $65/month; Payroll add-on from $45/month + $6/employee
Best for plumbing and HVAC companies that use a dedicated field service management platform and need QuickBooks as the financial back-office.
ServiceTitan
Purpose-built field service management platform for HVAC and plumbing with built-in invoicing, job costing, and QuickBooks integration.
Why it fits this industry
ServiceTitan is the industry-standard platform for larger HVAC and plumbing companies, combining dispatch, CRM, mobile technician apps, invoicing, and financial reporting in one system. Technicians invoice in the field from the mobile app, dispatchers see real-time job status, and owners get revenue and job-level profitability reports without manual data transfer. It integrates with QuickBooks for full accounting.
Pros
- ✓Industry-standard for HVAC and plumbing — deep workflow integration
- ✓Mobile invoicing with payment collection in the field
- ✓Built-in job costing, pricebook, and flat-rate pricing
- ✓Strong reporting on revenue per technician and job type
Cons
- ✕Premium pricing — typically $250-500+/month depending on team size
- ✕Significant implementation effort and learning curve
- ✕Overkill for owner-operator or very small shops
- ✕Still requires QuickBooks or Xero for full accounting and payroll
Pricing: Contact for pricing (typically starts around $250/month for small teams)
Best for growing HVAC and plumbing companies with multiple technicians that need an all-in-one operations and invoicing platform.
Jobber
Popular field service management and invoicing platform for small to mid-size home service businesses, with QuickBooks and Xero integration.
Why it fits this industry
For plumbing and HVAC companies that find ServiceTitan too expensive or complex, Jobber hits the sweet spot between capability and simplicity. Technicians can create and send invoices from the mobile app after completing a job. Scheduling, client management, and online payment collection are included. Jobber syncs with QuickBooks Online and Xero for accounting.
Pros
- ✓Mobile invoicing with on-site payment collection
- ✓Clean, easy-to-learn interface for field technicians
- ✓Syncs with QuickBooks and Xero for accounting
- ✓Automated follow-up reminders for unpaid invoices
Cons
- ✕Job costing less detailed than ServiceTitan
- ✕Not purpose-built exclusively for HVAC/plumbing — less industry-specific depth
- ✕Reporting is adequate but not as rich as enterprise platforms
Pricing: Core $49/month; Connect $149/month; Grow $249/month
Best for small to mid-size plumbing and HVAC companies that want field invoicing and scheduling without the complexity or cost of ServiceTitan.
Xero
Cloud accounting platform with strong bank reconciliation and job tracking, a good QuickBooks alternative for trades businesses.
Why it fits this industry
Xero's tracking categories function as a lightweight job costing tool, letting plumbing and HVAC companies see income and expenses by job type or crew without a full project accounting add-on. Its bank reconciliation handles mixed payment types from field service jobs, and the unlimited-user model suits businesses where the office manager, technicians, and an external bookkeeper all need access.
Pros
- ✓Tracking categories enable basic job-type profitability analysis
- ✓Unlimited users on all plans
- ✓Integrates with Jobber and other field service platforms
- ✓Clean mobile app for expense review and approval
Cons
- ✕Payroll requires a third-party add-on
- ✕Less accountant familiarity in the trades than QuickBooks
- ✕Fewer direct FSM integrations than QuickBooks
Pricing: Starter $20/month; Standard $47/month; Premium $80/month
Best for plumbing and HVAC companies that prefer Xero's interface or unlimited-user pricing and are comfortable with Gusto for payroll.
FreshBooks
Simplified invoicing and accounting for service businesses, well-suited to owner-operator plumbers and small HVAC shops.
Why it fits this industry
Owner-operators who handle their own books need software that gets out of the way. FreshBooks lets solo plumbers and HVAC technicians send invoices from the field, track parts and material expenses, and see their monthly income without an accounting degree. Time tracking is built in for service calls billed by the hour.
Pros
- ✓Mobile invoicing suitable for owner-operators
- ✓Built-in time tracking for hourly service billing
- ✓Simple expense tracking for parts and materials
- ✓Accepts credit cards directly from invoices
Cons
- ✕No field service management features — scheduling, dispatch, routing
- ✕No job costing
- ✕Not suitable for businesses with multiple technicians
- ✕No native payroll
Pricing: Lite $19/month; Plus $33/month; Premium $60/month
Best for solo plumbers or HVAC owner-operators who want simple invoicing and expense tracking without field service management complexity.
Buyer's Guide
The most important accounting question for a plumbing or HVAC company is: do you need standalone accounting software, or a field service management platform with accounting integration? For companies with two or more technicians, a dedicated FSM platform (Jobber, ServiceTitan, Housecall Pro) handles the field-side workflow — scheduling, dispatch, mobile invoicing, customer communication — while QuickBooks or Xero handles payroll and the financial close. For a solo owner-operator, FreshBooks or even QuickBooks Simple Start may be sufficient. Job costing is the differentiator: if you want to know whether your HVAC maintenance agreements are more profitable than your emergency plumbing calls, you need a platform that tracks material and labor costs per job. QuickBooks Plus or a dedicated FSM platform are your best options for that level of insight. When evaluating, confirm that your FSM platform of choice has a native QuickBooks or Xero integration — data entry between two systems is where profitability data gets lost.