How Do I Sell My HVAC Business?Step One – Get the Proper Valuation. Your HVAC business could be worth a lot, and your assets and liabilities do not tell the whole story.Step Two – Sell when Profits are High. Investors want to buy businesses when they are doing well. …Step Three – Hire an Experienced HVAC Business Broker. Do you need a business broker? Will you get the best value for your business without one? It’s unlikely.