When it comes to energy efficiency, Trane air conditioners have a clear edge over Carrier. All models produced by Trane are more energy efficient than those of Carrier. After taking into account all the features, it can be safely said that Trane air conditioners are better than Carrier air conditioners.
Carrier
does have an advantage over Trane in terms of maintenance and installation.However, Trane air conditioning units guarantee better performance in terms of warranty, SEER rating and energy efficiency. Consumer Reports is a great source of information for these types of topics. Their ratings are based on actual error rates and similar data, and not on opinion gathering campaigns organized by marketers. Overall, Trane and Carrier unit owners seem satisfied with both brands, but Trane has a slight edge.
Of the two brands, Trane lasts longer than Carrier. Some users say that Trane systems last a minimum of 15 to 20 years, which can be a significant benefit that offsets their higher cost. Like Carrier, Trane regulates who can install their central air units. Unlike Carrier and Lennox, all Trane air conditioners have an SEER of at least 14.5, keeping their units in the basic, high-efficiency range.
Four of Trane's air conditioning units are on the ENERGY STAR efficiency list, placing them between Carrier and Lennox.