Carbon Heater Sizing Guide

Warmup’s UL Listed Carbon Heating Panels are custom-cut for each room and delivered direct within 7-10 business days for your convenience.

Remember, only measure the floor area (exclude areas under units or cupboards). Please refer to the table below for sizing details.

120V Carbon Heater

Panel Width	kW / sq ft	kW / linear ft	Amps / sq ft	Amps / linear ft
Warmup® Heaters Panels
12 inch Custom-Cut Carbon Panels (Minimum order is 5 sq ft)	0.012	0.012	0.1	0.1
36 inch Custom-Cut Carbon Panels (Minimum order is 15 sq ft)	0.012	0.036	0.1	0.3

240V Carbon Heater

Panel Width	kW / sq ft	kW / linear ft	Amps / sq ft	Amps / linear ft
Warmup® Heaters Panels
12 inch Custom-Cut Carbon Panels (Minimum order is 5 sq ft)	0.012	0.012	0.05	0.05
36 inch Custom-Cut Carbon Panels (Minimum order is 15 sq ft)	0.012	0.036	0.05	0.015