enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   These furnaces were still big and bulky compared to modern furnaces, and had heavy-steel exteriors with bolt-on removable panels. Energy efficiency would range anywhere from just over 50% to upward of 65% AFUE. This style furnace still used large, masonry or brick chimneys for flues and was eventually designed to accommodate air-conditioning ...

3. Lennox International - Wikipedia

   en.wikipedia.org/wiki/Lennox_International

   Lennox International Inc. is a provider of climate control products for the heating, ventilation, air conditioning, (in the complex colloquially called: HVAC) and refrigeration markets. The company is based outside Dallas, Texas in the United States and has operations globally.

4. Industrial furnace - Wikipedia

   en.wikipedia.org/wiki/Industrial_furnace

   In a vertical, cylindrical furnace, the tubes are vertical. Tubes can be vertical or horizontal, placed along the refractory wall, in the middle, etc., or arranged in cells. Studs are used to hold the insulation together and on the wall of the furnace. They are placed about 1 ft (300 mm) apart in this picture of the inside of a furnace.

5. Thermal oxidation - Wikipedia

   en.wikipedia.org/wiki/Thermal_oxidation

   Vertical furnaces solve this problem by having wafer sitting horizontally, and then having the gas flow in the furnace flowing from top to bottom, significantly damping any thermal convections. Vertical furnaces also allow the use of load locks to purge the wafers with nitrogen before oxidation to limit the growth of native oxide on the Si surface.

6. Open-hearth furnace - Wikipedia

   en.wikipedia.org/wiki/Open-hearth_furnace

   Open hearth furnace workers at the Zaporizhstal steel mill in Ukraine taking a steel sample, c. 2012 Tapping open-hearth furnace, VEB Rohrkombinat Riesa, East Germany, 1982. An open-hearth furnace or open hearth furnace is any of several kinds of industrial furnace in which excess carbon and other impurities are burnt out of pig iron to produce ...

7. Massachusetts man who spent decades in prison for a murder he ...

   www.aol.com/news/massachusetts-man-spent-decades...

   FRAMINGHAM, Mass. (AP) — For the nearly three decades that he was behind bars, Michael Sullivan’s mother and four siblings died, his girlfriend moved on with her life and he was badly beaten ...