Which Heats Building Such as a House

A space heater is a device that heats a single enclosed area. This contrasts with a central heater, which heats an entire building such as a house. They are self-contained, and include wall-mounted units as well as portable units. They also have specific advantages and disadvantages over central heating, which you must consider carefully when choosing your device:

Savings
The primary advantage of a heater is that it can reduce the cost of heating your house. They are most often used to heat a room that is significantly colder than the rest of the house. This prevents the central heating unit from running unnecessarily just to heat one room in the house. A portable space heater can also be moved so that it heats only an occupied room.

Convective Heaters
A convective space heater uses a heating element to heat the air surrounding the heater. This includes heaters that use a wire heating element and those that circulate a hot fluid such as oil. This type is best for providing constant heat, especially in rooms with effective insulation. Space heaters with wire heating elements reach their operating temperature more quickly than oil heaters, but they also have a greater chance of catching on fire.

Radiative Heaters
Produce heat by directly radiating energy. This type primarily includes halogen heaters, which consist of a tungsten filament inside a quartz container. The container is typically mounted in front of a reflective material to concentrate the heat. A halogen heater is very similar to a light bulb, except that it radiates most of its energy in the infrared spectrum, rather than the visible spectrum. The primary advantage of this type of heater is that skin and clothing absorb the heat directly without heating the air first. A radiative heater is generally much more efficient than a convective heater, and is suitable for rooms with poor insulation.

Electric Heaters
Most space heaters use electricity as their power source and are plugged directly into an electrical outlet. These heaters have a specific power rating, which is usually measured in kilowatt-hours. For example, an electric heater with a rating of 1 kilowatt-hour consumes 1 kilowatt per hour. This rating allows you to calculate the cost.

Safety
All space heaters carry some risk of fire, and they routinely have safety features to minimize this possibility. These heaters often have a switch that cuts off the heater's power when it falls over, which is most common in halogen heaters. Heaters also have a thermostat that turns the space heater off when it reaches a certain temperature.

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