Choose what to explore
Choose the upgrades you want to compare.
Whole-home energy planning
See what home energy upgrades could really save
Compare upgrade costs, energy savings and how solar, batteries, heating, cooling and electric vehicles work together.
How the planner works
Build a like-for-like comparison in three steps
Add the relevant current energy
Add the energy details needed for those upgrades.
Compare the results
Compare costs, energy use and payback with your current home.
Your results
How the upgrades perform
Compare annual costs, savings and energy flows.
Electricity-only comparison: heating-fuel costs are excluded because these upgrades do not change them.
Before you decide
Use the results to compare your options
Check the assumptions, compare quotes on the same basis, and ask a qualified installer to confirm equipment sizing and installation details.