Selling an HVAC business is a complex, multi-phase process with dozens of moving parts. Missing any one of them can delay your close, reduce your price, or kill a deal entirely. This master checklist gives you a phase-by-phase view of everything you need to do — and when to do it.
The Sale Process at a Glance
Phase 1
Preparation — 12–24 months before going to market
Phase 2
Market — finding and qualifying buyers (1–3 months)
Phase 3
LOI and due diligence (1–4 months)
Phase 4
Close — legal, final adjustments, wire transfer
Phase 1: Preparation Checklist (12–24 Months Before Sale)
Financial Preparation
- ☐ Separate all personal expenses from business P&L
- ☐ Move to accrual-based accounting (if not already)
- ☐ Normalize owner compensation to market rate ($80–130K salary)
- ☐ Document all add-backs with supporting evidence
- ☐ Reconcile 3 years of tax returns to P&Ls (no unexplained gaps)
- ☐ Clean up balance sheet — resolve old A/R, document fleet
Operational Preparation
- ☐ Hire or promote a service manager who can run operations without you
- ☐ Implement flat-rate pricing (documented, not in your head)
- ☐ Deploy and train on dispatch/scheduling software (ServiceTitan, Housecall Pro, etc.)
- ☐ Document hiring, onboarding, and training processes
- ☐ Grow maintenance agreement base (target: 25%+ of revenue recurring)
- ☐ Build Google review count to 500+ at 4.7+ star average
- ☐ Verify all licenses, permits, and certifications are current
- ☐ Review lease assignment clauses — confirm buyer can assume your lease
Phase 2: Going to Market Checklist
Market Preparation
- ☐ Select and engage an M&A advisor or business broker with HVAC experience
- ☐ Build data room with all due diligence documents pre-organized
- ☐ Review and approve CIM (Confidential Information Memorandum) draft
- ☐ Establish NDA template — all buyers sign before seeing CIM
- ☐ Brief any key employees who need to be involved in the process
- ☐ Engage M&A tax attorney to plan deal structure and tax implications
Phase 3: LOI Through Due Diligence Checklist
| Task | When | Who |
|---|---|---|
| Review and negotiate all LOI terms (price, structure, earnout, exclusivity, non-compete) | Upon LOI receipt | You + broker + attorney |
| Sign LOI and officially enter exclusivity | After negotiation | You |
| Grant buyer access to data room | Day 1 of due diligence | Broker |
| Respond to buyer information requests promptly | Throughout DD | You + CPA |
| Stay bonus agreements for key employees | During DD | You + attorney |
| Negotiate and agree on asset allocation (for tax purposes) | End of DD | You + CPA + attorney |
Phase 4: Close Checklist
Closing Tasks
- ☐ Review and negotiate definitive purchase agreement with your M&A attorney
- ☐ Confirm financing is in place (if buyer is using SBA or bank debt)
- ☐ Obtain landlord consent for lease assignment
- ☐ Prepare employee communication for day-of-close announcement
- ☐ Confirm final working capital calculation with both parties
- ☐ Sign all closing documents (bill of sale, non-compete, transition agreement)
- ☐ Receive wire transfer — verify funds before signing anything
- ☐ Begin transition period per agreement
Use the Checklist. Then Call Tim.
The checklist tells you what to do. The conversation tells you whether you should do it now or in 3 years — and what the number looks like either way. We help HVAC owners make the right decision for their specific situation. No pitch, no pressure.
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