Appliance Energy Calculators

Look up wattage for any household appliance and estimate running costs.

Searchable database of common household appliance wattages with daily usage and category filters.

How much will a geyser timer or blanket save on your SA electricity bill?

Variable-speed vs single-speed pool pump — annual savings and payback.

LED vs CFL vs incandescent — annual savings, payback, and bulb count.

How much does any appliance cost to run? Enter wattage, hours, and your rate.

How much is vampire power costing you? Find and eliminate phantom loads.

Is it worth replacing an old appliance? Compare old vs new and find the payback.

How much do you save switching to LED? Enter your bulbs and see the instant payback.

Not sure which calculator you need?

Start with the Energy Audit to see where your electricity actually goes.