Understand your building
Enter energy use, utility prices and budget, or import a year of utility data.
Compare building energy upgrades, estimate costs and savings, and explore a package that fits your budget. WattWise is ArforEarth’s first publicly launched planning tool.
Enter energy use, utility prices and budget, or import a year of utility data.
Explore editable lighting, controls, HVAC, refrigeration, motor and solar measures.
Compare estimated returns, payback and avoided emissions, then save or print your plan.
The planner uses a numerical decision engine and a rule-based guide. The public version requires no paid AI API and no account.
Read the methodology✓ Building inputs processed in your browser
✓ Scenarios saved locally on your device
✓ Editable costs and savings assumptions
✓ Clear sensitivity cases and limitations
WattWise currently uses USD and an illustrative US building profile. Estimates need actual utility data and engineering validation before investment. INR and India-specific assumptions are planned. Optional browser-based AI is being explored and is not active.
No. The public beta runs its calculations and rule-based guidance in your browser. Scenarios can be saved locally on your device.
No. Savings and payback are modeled from your inputs and assumptions. Confirm equipment costs, utility tariffs and engineering feasibility before investing.
The current model uses USD and an illustrative US building profile. INR support and validated India-specific assumptions are planned.
Building managers, educators and sustainability practitioners can share feedback or discuss a pilot.