Central Air Conditioning vs Window Units | Which Is Best?

As the heat of summer bears down, the long-standing debate over A/C window units vs. central air comes back to the forefront of many minds. Air conditioning transforms a hot, humid, sticky room into a cool oasis during hot summer months. If your current system isn’t performing well enough to keep you comfortable, you might need a new air conditioner.

“Like many other decisions homeowner make, it isn’t always easy to choose between A/C window units vs. central air. If you expect to relocate soon or have a very small space, a window unit is probably your best bet. If you plan to stay in your home for a long time or have a large area, the efficiency and increased home value you will get from a central air system places it on top.”

A/C Window Units vs. Central Air | The 2 Basic Options

There are two basic options to choose from. Depending on how many rooms you want to cool, the current infrastructure in your home, and the budget you have to work with. And choice between A/C window units vs. central can be difficult. It’s important to spend the time carefully evaluating your needs before buying a new air conditioner.

The first consideration is the area that you need to cool. If you only have a few rooms to cool, window units are convenient and cost effective. Central air is best if you are looking to cool a large house or open space. Measure the length, height, and width of the are you want to cool. A small unit might not be able to keep up with the heat in larger spaces, and a large, powerful unit in a small space will waste energy.

Consider How Your Home Is Equipped

If your home is not already equipped with a central air conditioning system, the question of which option might already be answered. The costs for installing the required duct work may be prohibitive, and the stress and hassle of a major home renovations might not be convenient.

If you already have the needed duct work, or don’t mind having it installed, then a central air system might be the right choice. Not only is it more effective, but central air is more energy efficient. It will also increase the resale value of your home.

Window Unit Features

If you decide to get a window unit, make sure you get one with fan speed control. Being able to choose between speeds helps you to keep your air cool without wasting electricity. A built in thermostat is also a must. You want to keep your home comfortable without running the system unnecessarily.

Benefits Of Central Air

Central a/c has a few unique benefits that traditionally give it the edge in the A/C window units vs. central air debate. Understanding these might help you to make your decision.

Central air not only cools air, it removes humidity as well. In hot, humid areas, especially along the coast, this is vital in providing comfort during the summer. Comfort isn’t the only consideration. Hot humid weather can cause damage to your home and possessions. Warped wood and musty basements can be controlled.

Special Filters

If allergies are a concern, central a/c wins the debate. In addition to the standard filters, you can choose special filters that eliminate allergens from the air. Not only will outside pollens and other offenders be kept out of the home, but the dust and dander that a fan window unit might stir up is filtered out of the air as well.

Budget Considerations

Budget and cost is the final concern for homeowners. Central a/c is definitely going to cost more to install. Window units are inexpensive, and can be taken with you in the future if you move. For large spaces, however, central air is much more energy efficient and will cost you less to operate. In a small space, the window unit will be more efficient because you won’t be wasting so much potential.

Long Term A/C Costs

While central a/c is more expensive initially, the system can last for many years. You may have to replace A/C units many times during the life of a central system. When comparing the prices of the two options, be sure to consider how the prices contrast over time, not just the initial purchase costs.

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Central Air Conditioning Maintenance
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