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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. Direct vent fireplace - Wikipedia

   en.wikipedia.org/wiki/Direct_vent_fireplace

   Direct vent fireplaces operate off of propane or natural gas, and are completely sealed from the interior of the building in which they are installed. Thus, no harmful byproducts are released into the room. They also release much less pollution into the atmosphere than a wood-burning fireplace. [2]

4. Alice H. Parker - Wikipedia

   en.wikipedia.org/wiki/Alice_H._Parker

   At the time, gas central heating had yet to be developed, so people relied on burning coal or wood as their main source of heating. [8] [9]Parker felt that the fireplace was not enough to keep her and her home warm during the cold New Jersey winter, and designed the first gas furnace that was powered by natural gas and the first heating system to contain individually controlled air ducts that ...

5. Singer Model 27 and 127 - Wikipedia

   en.wikipedia.org/wiki/Singer_Model_27_and_127

   White Sewing Machine Company's "Number 8", a copy of the model 127. At about USD100 apiece (about USD2500 adjusted), Singer sewing machines were pricey, even considering the payment plans and trade-in allowances that were offered. The high prices created a demand for similar machines made by competitors.

6. Gas cabinet - Wikipedia

   en.wikipedia.org/wiki/Gas_cabinet

   Different types of gas cabinets can be used, depending on the gas type in the cylinder. Automatic gas cabinets with multiple sensors are useful and fulfill many other requirements. A gas cabinet can also be manufactured specifically for a company's needs and at lower cost. It is required that a gas cabinet is used for fire safety for gas cylinders.

7. Storage heater - Wikipedia

   en.wikipedia.org/wiki/Storage_heater

   A domestic storage heater which uses cheap night time electricity to heat ceramic bricks which then release their heat during the day. A storage heater or heat bank (Australia) is an electrical heater which stores thermal energy during the evening, or at night when electricity is available at lower cost, and releases the heat during the day as required.