
Fire Extinguisher Service Bookkeeping: Tag Routes, 6-Year Tear-Downs, and the NFPA 10 Calendar That Pays You
How a fire extinguisher service company should structure its books around the NFPA 10 calendar — separate revenue lines for annual tags, recharges, 6-year internal maintenance ($30–$60 per unit) and hydrostatic testing ($20–$100 per unit), deferred revenue for prepaid contracts, MACRS depreciation for vans and recharge rigs, and the route-density KPIs that decide whether the truck earns money.










