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  2. Gas heater - Wikipedia

    en.wikipedia.org/wiki/Gas_heater

    Gas heater. A wall mounted gas heater that runs on either propane or natural gas. 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 .

  3. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Gas water heaters have an exhaust vent or one to two exhaust pipes on the top, and still require electric power for electronics, sensing and ignition. A three-phase, 21 kW, 400-volt tankless water heater in Europe, with new European color coding for three-phase power. There are also heaters that use several single-phase circuits instead.

  4. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Natural gas heaters are most popular in the US and most European countries, since the gas is often conveniently piped throughout cities and towns and currently is the cheapest to use. In the United States, typical natural gas water heaters for households without unusual needs are 150–190 L (40–50 US gal) with a burner rated at 10.0–11.7 ...

  5. Kerosene heater - Wikipedia

    en.wikipedia.org/wiki/Kerosene_heater

    A kerosene heater is an appliance in which kerosene is gasified by surface evaporation and burned. The amount of kerosene evaporated and heat generated can be increased in direct proportion to the area of the contact surface between the kerosene and air. The wick used in a kerosene heater consists of many bundles of fine fibers and, in ...

  6. Rinnai - Wikipedia

    en.wikipedia.org/wiki/Rinnai

    Rinnai Corporation. Rinnai Corporation is a Japanese multinational company based in Nagoya, Japan, that manufactures gas appliances, including energy-efficient tankless water heaters, [ 4] home heating appliances, kitchen appliances, gas clothes dryers and commercial-use equipment such as rice cookers, grillers, fryers and salamanders. Rinnai ...

  7. Radiant heating and cooling - Wikipedia

    en.wikipedia.org/wiki/Radiant_heating_and_cooling

    Radiant heating and cooling is a category of HVAC technologies that exchange heat by both convection and radiation with the environments they are designed to heat or cool. There are many subcategories of radiant heating and cooling, including: "radiant ceiling panels", [ 1] "embedded surface systems", [ 1] "thermally active building systems ...

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