
HVAC Contractor Bookkeeping: Maintenance Agreements, Refrigerant Compliance, and the KPIs That Predict Profit
How HVAC contractors should structure their books: deferred revenue under ASC 606 for maintenance plans, EPA Section 608 and AIM Act refrigerant recordkeeping after the 15-pound threshold and R-410A phase-down, Section 179 deductions for service vans, and the five KPIs that actually predict cash flow.









