Free tools
Run your own numbers. No email wall.
Every tool works instantly in your browser with the assumptions shown, nothing hidden. If you want the results as a board-ready report, we will email it to you.
Calculator · 3 minutes
Carbon tax calculator
Enter your building’s energy consumption and see your direct carbon tax liability under Phase 2, your indirect exposure through the Eskom tariff, the trajectory to 2030, and what a measured efficiency programme would recover through Section 12L.
Calculate your liability →EPC grade · 1 minute
EPC pre-assessment tool
Estimate your building’s Energy Performance Certificate grade from A to G before committing to an official SANAS-accredited audit, using the SANS 10400-XA:2021 reference values for your occupancy class and energy zone.
Estimate your EPC grade →Benchmark · 3 minutes
ESG benchmark tool
Compare your building’s energy, water and carbon intensity against South African norms, including the SANS 10400-XA reference, and get an indicative EPC band so you know where you stand before the assessor arrives.
Benchmark your building →Numbers worth acting on?
A calculator estimates. A SANEDI-registered assessment and a metered baseline turn the estimate into a number you can claim, report and defend.