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  2. Primus stove - Wikipedia

    en.wikipedia.org/wiki/Primus_stove

    As the flame dies down, a further gentle pump will either ignite the main burner or dispense more kerosene into the spirit cup. Prior to the introduction of the Primus, kerosene stoves were constructed in the same manner as oil lamps , which use a wick to draw fuel from the tank to the burner and which produce a great deal of soot due to ...

  3. Kerosene heater - Wikipedia

    en.wikipedia.org/wiki/Kerosene_heater

    The Japanese non-vented "fan" heater burns kerosene gas and is known as a gasification type heater. The liquid kerosene fuel is pre-heated via an electric heating element to vaporize the fuel. The resulting gas is collected and forced into the burn chamber where it is ignited and burns with a blue flame, similar to propane.

  4. Bunsen burner - Wikipedia

    en.wikipedia.org/wiki/Bunsen_burner

    The yellow flame is considered "dirty" because it leaves a layer of carbon on whatever it is heating. When the burner is regulated to produce a hot, blue flame, it can be nearly invisible against some backgrounds. The hottest part of the flame is the tip of the inner flame, while the coolest is the whole inner flame.

  5. Colored fire - Wikipedia

    en.wikipedia.org/wiki/Colored_fire

    A campfire burning with blue and green flame colorants Different colors of natural flame from a bunsen burner, without additives. Colored fire is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over.

  6. Gas heater - Wikipedia

    en.wikipedia.org/wiki/Gas_heater

    A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane, or butane. Indoor household gas heaters can be broadly categorized in one of two ways: flued or non-flued, or vented and unvented .

  7. 10 Signs Your Heater Isn’t Working as Well as It Could (and ...

    www.aol.com/lifestyle/10-signs-heater-isn-t...

    Ultimately, the older a heater gets, the less efficient it will become, so if the heater is 15 to 25 years of age, it may be time to start saving for an upgrade.