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2. Gas heater - Wikipedia

   en.wikipedia.org/wiki/Gas_heater

   Upright non-flued liquefied petroleum gas heater, 1970s 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 ...

3. Propane - Wikipedia

   en.wikipedia.org/wiki/Propane

   The density of propane gas at 25 °C (77 °F) is 1.808 kg/m 3, about 1.5× the density of air at the same temperature. The density of liquid propane at 25 °C (77 °F) is 0.493 g/cm 3, which is equivalent to 4.11 pounds per U.S. liquid gallon or 493 g/L. Propane expands at 1.5% per 10 °F. Thus, liquid propane has a density of approximately 4.2 ...

4. Catalytic heater - Wikipedia

   en.wikipedia.org/wiki/Catalytic_heater

   Catalytic heaters have high efficiency allowing smaller heaters to be used, therefore lowering initial costs and fuel consumption. [2] These heaters typically use propane (LP) or butane fuel, whereas many older types use either liquid fuel or alcohol. Handheld catalytic hand warmers have traditionally only used naphtha-type liquid fuel.

5. Liquefied petroleum gas - Wikipedia

   en.wikipedia.org/wiki/Liquefied_petroleum_gas

   LPG is composed mainly of propane and butane, while natural gas is composed of the lighter methane and ethane. LPG, vaporised and at atmospheric pressure, has a higher calorific value (46 MJ/m 3 equivalent to 12.8 kWh/m 3 ) than natural gas (methane) (38 MJ/m 3 equivalent to 10.6 kWh/m 3 ), which means that LPG cannot simply be substituted for ...

6. Fuel gas - Wikipedia

   en.wikipedia.org/wiki/Fuel_gas

   Fuel gas is widely used by industrial, commercial and domestic users. Industry uses fuel gas for heating furnaces, kilns, boilers and ovens and for space heating and drying . The electricity industry uses fuel gas to power gas turbines to generate electricity. The specification of fuel gas for gas turbines may be quite stringent. [5]

7. The 11 Best Gas Patio Heaters for Outdoor Entertaining - AOL

   www.aol.com/9-best-gas-patio-heaters-191700923.html

   48,000-BTU Stainless Steel Floorstanding Liquid Propane Patio Heater This propane heater probably looks familiar. That's because it’s graced the patios and decks of many restaurants, shops, and ...