calculate_led_savings
Calculate energy and cost savings by switching from incandescent to LED bulbs. Input old and LED wattage, hours, and price to get yearly savings.
Instructions
Compute energy and money saved by switching from incandescent/halogen to LED. Use for energy audit. Inputs: old wattage, LED wattage, daily hours, kWh price, bulbs. Returns yearly savings. See list_bundles for related 'energie' calculators.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| old_w | Yes | Old bulb wattage | |
| led_w | Yes | LED replacement wattage | |
| hours_day | No | Hours per day | |
| num_bulbs | No | Number of bulbs | |
| price_kwh | No | EUR/kWh |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | No | Computed result. Object whose fields depend on the tool (e.g. {tax, marginal_rate, brackets} for tax tools, {volume_l, gallons} for volume tools). | |
| formula | No | Human-readable formula or method used (e.g. "I=P·r·t", "Magnus formula"). | |
| source | No | Authoritative source for the rule or formula (e.g. "Article 197 CGI", "NF DTU 21"). | |
| reference_url | No | Link to a calcul2 page documenting the calculation in detail. |