Home Best Heaters Categories
Indoor Propane HeatersOutdoor & Patio HeatersPorch & Screened-Space HeatersRadiant & Infrared HeatersForced-Air & Construction HeatersWall-Mount, Cabinet & Tank-Top HeatersMr. Heater Buddy SeriesDyna-Glo Propane HeatersCamping-Brand HeatersKerosene HeatersDiesel HeatersGarage & Workshop HeatersCamping, Hunting & TailgatingRV, Off-Grid & Van-LifeIndoor Safety & Carbon MonoxideBTU, Sizing & Running-Cost GuideTroubleshooting & RepairTanks, Hoses & Accessories
Compare Reviews Deals About Contact

Tools

Home/Tools

Quick, free calculators to help you size a portable propane heater and estimate how long it will run — no sign-up, nothing leaves your browser.

Propane Heater Size Calculator Enter your room or area size and where you’ll use it — get the recommended BTU range, the right heater type, and roughly how long it runs on a 1 lb cylinder or 20 lb tank. Open tool