EzeCalc is New Zealand’s leading HVAC tool, backed by a proven track record since 2008.
Fast Load Calculations
Calculate room heating/cooling loads in under 2 minutes
Duct Sizing & System Design
Built-in ductulator and multi-room ducted system design
Instant Report Generation
Polished customer or installer reports in PDF format
Fresh Air Compliance (G4)
Automatic G4 fresh-air calculations for NZ building code
Project Saving & Sharing
Save projects, access from any device, and share easily
Heat Pump Product Selector
Browse heat pump specs (Fujitsu, Daikin, Haier, MHI, etc.)
Get EzeCalc FREE for a Full Year!
Sign up for the Skillsure Heat Pump or Ducted Installers course and unlock 12 months of EzeCalc—completely free. After your free year, keep it going for only $75 + GST per year.
Want it now? Purchase EzeCalc outright for $245 + GST, then just $75 + GST per year to maintain access.