BuildBridge · Construction calculators
Understand the scale of your project.
Choose a calculator and enter dimensions, material sizes and waste allowances to see an estimate. No sign-in is needed. Results support planning and purchasing; a professional must confirm the actual design and quotation.
The selected calculator appears below immediately. Your entries are kept when switching.
Current calculator: Air conditioning
Energy
Air conditioning
Estimate heating/cooling capacity from room volume and insulation
Planning note: The example starts at 45 W/m³. Adjust the allowance for insulation, glazing, sunlight and heat sources. Multi-split results show theoretical room loads and reference indoor/outdoor models from the Mitsubishi Electric New Zealand OmniCore / AP Smart ranges. This is not confirmation of compatibility, availability or final equipment selection.
Rooms / zones1
ZONE 1Rooms / zones2
ZONE 2Rooms / zones3
ZONE 3Renovation budget →
Organise a budget by scope, quantities and materials.
Rental estimate →
Explore a rental reference using location and property details.