In order to stay comfortable during the hot summer months, without breaking the bank, you want to have an efficient and well-functioning AC unit. Older AC units take more time and consume more fuel to cool down a home’s interior, ultimately driving up utility expenses. According to Energy Star, the average American household spends about 15% of its yearly utility costs on cooling. If you want to save money on gas or electric bills, then consider switching to a modern and energy-efficient AC unit.

It is important to note that this article breaks down windows, walls, portable AC units, and other single room air conditioners—NOT CENTRAL AC SYSTEMS. We created this guide for homeowners who are in the market to purchase or learn more about single-room/mobile AC models. Continue reading to find out more about AC lifespans, the advantages of new models, and which air conditioner will work best for your particular needs.

It is recommended to replace your AC about every 7-10 years. The lifespan of your AC depends on how well your original installation was, how often you use it, and where your home is located. For example, if you live in an arid or desert-like environment, then you will probably use your AC more. This means your unit works harder each time it is turned on to bring your interior temperature down to a comfortable level. AC models in the desert tend to not last as long as those in more temperate environments. It is suggested that desert homeowners should replace their AC Units every 5-8 years.

Regardless of where you live there are 5 key signs that indicate it is time to upgrade to a new AC system.

Again, this article reviews single-room and portable systems, not central AC units. Central AC distributes conditioned air throughout the whole home, while these focus supplying a singular room or portions of the home with cool air, not your entire residence.

Below are the four main types of air conditioning units: window-mounted, wall-mounted, window/wall hybrids, and portables. Each is designed for certain use and excel in its own respected way. Units that cost less typically are basic and designed to do one thing: cool or heat the air in a singular room. More expensive units can have a humidifier, wireless controls, smart settings, and more.

If you are looking for a quick and easy economic option, this is your best bet. You can find second-hand options for as low as $100. Brand new entry-level units can be found around $200-$300; these will cool around a 100-200 square foot room. The price range goes up to about $800, with models at this end having the cooling ability to condition large rooms (~700-900 square foot rooms).

Wall mounted units designed to cool down a 400 to 700 square foot room will cost about $400-$500. For larger rooms up to 1,000 square feet will cost about $700 or more. Remember to add installation costs if necessary.

These costs are similar to wall-mounted units, but can tend to be more expensive because of the flexible design.

Arguably the most expensive option. It can cost $500 to $700 for a unit capable of cooling down a 300 square foot room. For larger rooms, the price can vary to around $1,000 or more.

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