Kero World KW-24G Indoor Kerosene Heater, White -- The Kero World portable indoor kerosene heater is great for heating small to medium indoor spaces (up to 900 square feet). Matchless ignition makes this a convenient source of instant heat--without having to plug it in, either. The built-in 1.9-gallon tank gives you up to 12 hours of heat. The manufacturer recommends using only clean kerosene. Two-year warranty.--Josh DettweilerWhat's in the BoxHeater, C batteries (2) Five Tips for Buying a HeaterChoosing a space heater is a matter of sifting through a bewildering array of types, power ratings, and fuel sources. Let's break it down a little to make the process easier.What are the different types of space heaters?Radiant heaters emit infrared radiation that directly warms the objects in front of the heaters (rather than the surrounding air). If you only need heat by a desk or in a small section of a room, a radiant heater is quiet and will use very little power.Forced-air heaters use a fan to blow air that has been warmed by metal or ceramic heating elements. A forced-air heater is appropriate for quickly heating up a small- to medium-sized room, but can be noisy.Convection heaters draw cold air from the floor; the air is warmed by heating coils and emitted from the top of the heater. A convection heater is appropriate for quickly heating up a small- to medium-sized room, but also can be noisy.Radiators work by heating oil enclosed in a reservoir, gradually heating the surrounding air. If heating speed isn't an issue, you might want to opt for a radiator. These are extremely quiet and effective--perfect for bedrooms.Should I buy an electric or a combustion model?If you want a heater that will be available in emergencies, or that can heat areas larger than a single room, choose a "combustion" model--one that is powered by a gas or fuel like propane, kerosene, natural gas, or diesel. Which fuel type you choose depends largely on convenience and local availability. For example, diesel would be appropriate for a heater you take with you on long car trips.How powerful a heater do I need?Heaters are rated by BTU, which stands for British Thermal Unit (the amount of heat needed to heat one pound of water by 1 degree F). To find out how many BTU you need: Calculate the volume of the space to be heated by multiplying square footage by height. Multiply that number by 4 if your insulation is poor, 3 if it's average, or 2 if it's good.The resulting number is a ballpark figure for how many BTU you'll need.Do space heaters cost a lot to operate? As a general rule, electric space heaters are more expensive to use than combustion models. To ensure energy efficiency, a thermostat is a must-have feature for any heater. For radiant heaters, models with a 360 degree heating surface can heat larger spaces. If you need a forced-air heater, models with ceramic elements tend to be more efficient.Are space heaters a fire hazard?Space heaters are implicated in about 25,000 residential fires every year. To ensure proper safety, always follow the manufacturer's usage instructions and fill out the warranty card to receive informational updates from the manufacturer. Also, look for extra safety features such as an automatic shutoff switch that can shut down the unit if, for example, it gets upended. In addition, choose a model where the heating element is adequately enclosed within the unit. Product Description The Kero World portable indoor kerosene heater is great for heating small to medium indoor spaces (up to 900 square feet). Matchless ignition makes this a convenient source of instant heat--without having to plug it in, either. The built-in 1.9-gallon tank gives you up to 12 hours of heat. The manufacturer recommends using only clean kerosene. Two-year warranty.--Josh Dettweiler Features 23,000-BTU indoor kerosene heater for up to 1000 square feet Simple matchless ignition; 360-degree protective grill promotes safety Built-in 1.9-gallon tank for up to 12 hours of heat; use clean kerosene only Delivers efficient convection heat; portable design; 2 C batteries included Measures 18 by 18 by 22-1/5 inches; 2-year limited warranty USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.