Invoice Otter

HVAC Contractors

Made for HVAC contractors handling service calls, maintenance agreements, changeouts, and installs.

Invoice Otter helps HVAC businesses quote diagnostics, refrigerant, equipment, labor, and maintenance visits so techs can close tickets and larger jobs without sloppy paperwork.

Service Calls Maintenance Plans Changeouts Diagnostics

How HVAC Contractors teams use Invoice Otter

  • Build quotes for tune-ups, repairs, system replacements, duct work, thermostats, and emergency calls.
  • Invoice recurring maintenance visits while keeping one-off repair and replacement work on the same customer history.
  • Track equipment deposits and final balances for install jobs without rebuilding the invoice after the work is done.
  • Save addresses, unit notes, and service history for faster repeat visits and seasonal follow-up.

Start free now and upgrade only when you need more.

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