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AAON Heating and Cooling Products

The AAON LL Series is a packaged outdoor mechanical room available with chillers boilers and pumping packages (35-540 tons cooling and 500-6000 MBH heating Natural Gas or Propane). It is engineered for high performance energy efficient operation while being easily serviceable and

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ENERGY STAR Most Efficient 2021 Geothermal Heat Pumps ...

The Bryant® GZ model offers high-efficiency geothermal cooling performance and is designed to be coupled with a gas/propane furnace or fan coil. It features a quiet two-stage scroll compressor and in the right combination can allow you to enjoy the benefits of Hybrid Heat®technology to gain efficient geothermal heating before switching ...

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In-Stock Packaged Rooftops | LennoxPROs.com

LGH072H4BH Gas/Electric Packaged Rooftop Unit High Efficiency 13.5 IEER 6 Ton 150000 Btuh R-410A Energence

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Open Hearth - an overview | ScienceDirect Topics

Open hearth furnaces are first charged with scrap and a small amount of limestone. Limestone is used as a reduction agent. Then the fueltypically oil natural gas coal tar and pitch or a combination of theseis ignited to melt the charge (Fig. 6).As the charge melts proportioned amounts of molten pig iron are added to the furnace and high-purity oxygen is blown in.

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