OEM Lennox Scroll Compressor — 91W12

The genuine OEM Lennox 91W12 is a scroll compressor engineered to serve as the heart of your Lennox condensing unit or heat pump. It circulates and compresses refrigerant to move heat out of the conditioned space, and its scroll design delivers quiet, efficient, and highly reliable operation. Built to the exact factory specifications, the 91W12 is a direct fit for the Lennox systems it was originally supplied with.

When a scroll compressor begins to fail, you'll typically notice warm air from the vents, a system that runs constantly without cooling, tripping breakers, hard-starting or grinding noises, or a unit that won't start at all. These symptoms usually mean the internal scrolls, motor windings, or valves have worn out and the compressor needs replacement.

Choosing an OEM Lennox compressor matters because it is matched to your unit's electrical characteristics, refrigerant type, and capacity. Aftermarket substitutes can introduce oil-charge mismatches, incorrect displacement, and voided warranties. The 91W12 arrives factory-specified so your Lennox equipment returns to its rated efficiency and enjoys a long service life.