![]() ![]() calculation by an air conditioning professional, but it’s a start. It’s not anywhere near as precise as a Manual J. This Florida AC sizing chart can help you better understand the size of the air conditioner that’s right for your home. In coastal regions where there is plenty of airflow, an air conditioner may not run as much as in an inland zone where the humidity builds up quickly. Average humidity and temperatures in Florida also impact the work an air conditioner does to keep your home cool and dehumidified. When was your home built? If it’s an ENERGY STAR qualified home, it’s insulated to keep outside air from getting into the home.Į also breaks things down by the area you live in. You first need to know the size of your home or the area of the home you plan to cool. Knowing the right size air conditioner requires some information. A 1.5 Ton system is the smallest central air conditioning size you’ll come across. Most homes need a central AC unit that is 2 or 2.5 Tons. In terms of air conditioners, the BTUs help calculate how much airflow is needed to keep the indoor temperature at 78 degrees F. A British Thermal Unit (BTU) is a measurement of the energy that’s needed to increase one pound of water by one degree (Fahrenheit). The other number to pay attention to is the AC’s BTUs and Tons. If you haven’t had them cleaned and sealed or restored if needed, make sure that’s part of the installation process. Department of Energy minimum standards.Īn AC unit can only be as efficient as your home’s ductwork and vents allow. Florida AC systems have to be rated 14 SEER or higher to meet the U.S. To be an ENERGY STAR model, the SEER rating must be 14.5 or higher. Most air conditioners fall in the range of 13 to 21. It’s the maximum efficiency rating that tells you exactly how efficient the AC system is. What is the SEER Rating? It stands for Seasonal Energy Efficiency Ratio. It’s not an easy formula for a layperson. This is known as the Manual J professional load calculation. It also considers the number of heat-generation appliances in the home, people living in the home, etc. It involves your home’s square footage, the insulation grade, sun exposure, number of windows and what type they are, the height of your ceilings, and the SEER rating of the AC unit. The formula to determine AC unit sizing in Florida is trickier than that. If your home is 1,800 square feet after you subtract the garage space, you’d want a 3 Ton system. Divide that number by 600 to determine the AC’s Ton size. ![]() ![]() They take the square footage and subtract, if needed, the basement and garage area. Most people believe the best way to determine AC size is simply by looking at the square footage in the home. How do you find the right size air conditioner for your home’s size and build quality? Use Our Florida AC Unit Sizing Calculator to Best Understand the Size You Need Many people find themselves in the fairy-tale Goldilocks situation where it’s too big, too small, and nothing seems just right. The AC unit won’t last as long, so you spend more cash on repairs and replacements. Parts will wear out fast and require replacement. You also experience the same wear and tear from excessive use. You end up with warm spots within your home, and your power bills will be higher because your system is running constantly. It’s running all of the time to cool your home down, but it can’t do what it’s supposed to. If an oversized system is bad, how can a system that’s smaller than you need be just as detrimental? The system never shuts off. Asthma, skin rashes, nasal congestion, fatigue, and headaches are just a few of the symptoms you can experience. The impact mold has on your health is alarming. It’s also not running long enough to properly remove humidity, so you risk the build-up of mold and mildew from having a damp home. Because it wears out faster, you’re actually wasting money on repairs and replacements. You may think that you’re going to save money by having an AC that’s bigger than you need. The more it turns on and off, the faster components wear out. When a unit is oversized, it turns on quickly, runs for a short time, and turns back off again. The big question is, how much are you going to spend? How big of an AC system do you need? Use a Florida AC unit sizing calculator to be sure you don’t get a system that’s too big or too small for what you need. Or, you’ve never had more than room or window air conditioners and want to invest in central air to help cool your home without requiring a unit in each bedroom and the main living areas. Suddenly, you find that your current air conditioning system isn’t working anymore and a replacement is needed. ![]()
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