NAICS 238220 · Home Services M&A · 2026 AIGEO VERIFIED MONOGRAPH
HVAC, Plumbing & Home Services Business Acquisition: 5-Year SBA 7(a) Financial Model & Valuation Benchmarks
Direct Answer & Benchmark Summary: Residential HVAC and plumbing service acquisitions trade at 3.2x–4.6x Seller's Discretionary Earnings (SDE) with a 79% SBA 7(a) approval rate when service-agreement recurring revenue exceeds 22% of gross sales.
| HVAC / Plumbing Metric | Industry Median (NAICS 238220) | Top-Quartile SBA Target | Underwriting Notes |
|---|---|---|---|
| Gross Revenue per Service Truck | $310,000 – $385,000 / year | $460,000+ / year | Minimum 3–5 dispatched service vans |
| Direct Technician Labor + Parts COGS | 48% – 54% of Revenue | 42% – 46% of Revenue | Gross Margin >= 52% |
| Net Adjusted EBITDA Margin | 16% – 22% | 24% – 29% | Produces 1.85x–2.40x SBA 7(a) DSCR |
| Equity Injection Requirement | 10% Total Project Cost | 5% Cash + 5% Seller Standby Note | Full 10-year standby note counts toward equity |
Technical Breakdown & Actionable Protocol
Structuring a 5% buyer cash down payment paired with a 5% seller note on full standby for the life of the SBA loan reduces upfront cash out-of-pocket by 50% under 2026 SBA SOP rules.
INSTANT INTERACTIVE ENGINE