We researched the market to find the best energy-efficient air conditioners currently on the market. For an ultra-efficient central air conditioning unit, it’s difficult to top the Lennox...

With a Seasonal Energy Efficiency Ratio (SEER) rating of 28 and smart features that make it easy to optimize its operation, the Lennox SL28XCV Air Conditioner is our recommended choice for...

Our HVAC pros have selected the 10 most energy efficient central air conditioners. The units are divided by performance: 4 variable capacity options and 3 each for two-stage and single-stage models. Our strategy is to give you the most efficient options based on the performance level you want, as will be clear in the model reviews.

This guide to the 10 most efficient central air conditioners includes their SEER rating and any features that set them apart. We also discuss pros and cons and potential problems to be aware of when installing one of the most

ZDNET scoured the market and found the best cheap air conditioners under $500, so you can cool off for less. Our top pick is the Windmill Air Conditioner due to its smart home capabilities...