Buying guides
Start here if you're shopping for a heater. These four guides cover the decisions that matter, in the order you'll face them.
What Size Heater Do I Need?
Interactive sizing tool — enter your room, ceiling height, insulation, and climate to get the watts and BTU you need, the heater class that fits, and what it costs to run at your electricity rate.
Interactive tool
Space Heater Types, Explained: Ceramic vs. Oil-Filled vs. Infrared vs. Fan vs. Micathermic
They all make the same 1,500 watts — so why do they feel so different? What each type is good at, bad at, and which room it belongs in.
7 min read
Space Heater Safety: The Rules That Aren't Optional
The 3-foot rule, why power strips are a fire, tip-over and overheat protection, sleeping with a heater, propane and carbon monoxide, and heaters around kids and pets.
6 min read
The Cheapest Way to Heat a Room
Zone-heating math, heated bedding vs. room heating, why humidity makes you feel warmer, and thermostat setbacks — how to cut the winter bill without being cold.
8 min read