Is Lennox better than Trane?

Is Lennox better than Trane depends on whether you prioritize absolute highest efficiency and quietness or durability and easier service. Lennox furnaces and ACs like SLP99V gas furnace at 99 percent AFUE and XC25 AC at 26 SEER are known for highest efficiency in industry, most efficient gas furnace at 99 percent and most efficient AC at 26 SEER, extremely quiet operation at 59 decibels due to SilentComfort technology, and innovative features like solar ready, but have proprietary parts that are expensive at 20 to 30 percent more than Trane, higher first-year service call rates around 9 to 12 percent versus Trane at 8 to 10 percent, and smaller dealer network that can make service harder. Trane furnaces and ACs like XC95m and XV20i are known for heavier construction with thicker gauge steel cabinets and spine fin coils that are more durable, lower service rates around 8 to 10 percent, easier parts availability with standard parts, and excellent build quality with every unit factory tested, but max efficiency slightly lower at 97.3 percent AFUE for furnace and 22 SEER for AC versus Lennox 99 percent and 26 SEER, and operation slightly louder at 60 to 65 decibels. Both cost similar at 4,500 to 9,000 dollars installed. If you want absolute highest efficiency and quietest operation to minimize bills, Lennox is better. If you want most durable with lowest repair rate and easier service, Trane is slightly better overall for most homeowners.