Cory Salisbury
Founder & Fractional CFO • Salisbury Bookkeeping
What HVAC Contractors Must Know About Financial Systems in 2026
HVAC work is deceptively complex from a financial standpoint—service calls, maintenance contracts, new installs, warranty work, emergency jobs, and fluctuating material costs.
The Hidden Costs HVAC Contractors Miss
- Unbilled service time
- Truck stock shrinkage
- Warranty and callback labor
- Permit and inspection fees
- Untracked subcontractor costs
What Is a Financial System for HVAC Contractors?
Three connected pieces: field management platform (ServiceTitan, Buildertrend, Knowify), accounting backbone (QuickBooks Online), and financial dashboard showing top KPIs.
What KPIs Should HVAC Contractors Track?
- Gross Profit Margin by Job Type (target 35-50%)
- Labor Burden Percentage (aim for 25-35%)
- Work-in-Progress (WIP)
- Days Cash on Hand (30-45 days minimum)
- Accounts Receivable Aging
Implementation Timeline
- Week 1-2: Clean up QuickBooks, set up job costing
- Week 3-4: Integrate field management software
- Week 5-6: Build custom financial dashboard
- Ongoing: Monthly reviews
Cost
Most HVAC contractors spend $1,500-$4,000 per month for a full financial system and fractional CFO support.
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