To turn the fan of a Lennox air conditioner on high, locate the thermostat, find the fan setting on the thermostat screen and change the setting. This process takes approximately 3 minutes and requires access to the ther... More »

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RepairClinic.com, CozyParts.com and HVACPartsShop.com are three websites that sell Lennox air conditioner parts. Each site offers the option to search by part number to locate specific parts quickly. More »

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As of 2015, air conditioner fan motors vary greatly in cost from $90 to $500, according to Grainger. Prices vary by brand, materials, design and capability. More »

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Lennox provides wiring diagrams for all of its heating and air conditioning systems, which include packaged electric systems and solar kits. The diagrams are available as PDF pages through LennoxCommercial.com. The diagr... More »

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Lennox makes high-efficiency furnaces such as the SLP98V, the EL296E and the ML195 models with annual fuel utilization efficiency ratings of 98.2, 96 and 95 percent respectively. Since these AFUE ratings are between 80 a... More »

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Repair manuals for Lennox Commercial air conditioners are available for download on Lennox's website. The website offers different installation and service instructions for the company's product lines. More »

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Some highly-rated air conditioner brands include several window models by GE and Friedrich, and central air options by Maytag, Lennox, Carrier, Trane and Amana. None of the portable units received high ratings due to the... More »

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