Firstly, check out the Seasonal Energy Efficient Ratio for each air conditioner brand. This rating will range from 13 to 21. The higher the SEER number, the higher the efficiency of the air conditioner.

Then, examine the features of each air conditioner brand. Some brands offer features that aren’t really necessary (like a remote control), as a result, the overall cost of the air conditioner is added.

Thirdly, find out what type of refrigerant is used. Refrigerants such as Freon deplete the ozone layer. Manufacturers must cancel the use of Freon by law. Look for the refrigerant Puron, which is EPA-approved and won’t make your air conditioner outdated after you buy it.

And then check the parts and labor warranties. Air conditioners are expensive to fix. Checking the warranty to ensure that your parts and labor are covered for an extended period of time (usually 10 years and 5 years, respectively) will free you from paying a considerable repair bill in the future.

Finally, get the Energy Star rating. Air conditioner brands that are not Energy Star rated are usually more expensive to operate than those that are not.