A 2-ton air conditioning unit is capable of cooling between 800 and 2,000 square feet of interior space. A single ton, in the central air sense, indicates the air conditioner system can cool 12000 BTUs an hour. The 1-ton units are very rarely installed as they are too small for a “CENTRAL AC” application. If a Room sq ft is between 100-200 sq ft, then go for 1 Ton AC. ft./3 tons If you are looking for the most accurate size calculation for a central air system, the best course of action is to get free estimates from licensed HVAC installers. The smallest unit is 18,000 BTUs (1.5 tons), while the largest is 60,000 BTUs (5 tons). Now if your room is situated just below the terrace then the area which 1 ton AC covers will vary due to excessive heat radiations.So in that situations it would cool an area of around 100 sq.ft. If the house does not have a ductwork system, the cost of installing central air will skyrocket to as much as $8,000-10,000+. How much area does 1 ton AC cover? Use the following equation: ((House sq.ft. In addition to sizing, its important to consider other features of a central air unit, such as the SEER rating, 1 vs 2 cycle system, fancy extras that high-end brands like to include, etc. – number of heat generating appliances How Much Space Can a 2-Ton Air Conditioning Unit Cool. So you would want to install a 3.5 ton unit. Most can easily cover areas as large as 2,000 square feet. Yelena G. has been working in the remodeling and construction industry for over 15 years. If the HVAC contractor recommends a 2.5 ton unit, many are tempted to install a 3 ton or even 3.5, just to make sure that the house will be cool enough. This estimate is used to determine the amount of cooling needed for your house as a whole. 48,000 BTUs – 4 tons Thus, a two-ton central air system can cool 24000 BTUs an hour. Method 1: Manual J Calculation. First locate the zone that your state is in, based on color: Next, look at the chart below, and find the appropriate zone as well as the square footage of your house. If your house is well insulated and energy efficient, you can estimate down. (600 sq.ft./1 ton). An air conditioner or furnace unit that’s too small won’t cool or warm your house properly, and a unit that’s too big will cost more than necessary. For a home that has around 2000 sq. For example, any given central air unit size will cool about 200-300 sq.ft. Is he accurate? Using your calculation I come up with needed 2.2 tons for the AC Unit. For example, if you live in the yellow zone, your home is well insulated, and you have 1900 heated square feet, the equation will look like this: 1900 square feet X … Over the open beam there is 2 inch Styrofoam 1 inch plywood roofing felt and medium brown asphalt shingles. If your home is 2000 square feet, you can calculate your HVAC needs the same as you would for a 1600 square foot home. This means that if your house requires a 24,000 BTU unit (2 tons), you should not install one that is larger than 30,000 BTU’s (3 tons) to maintain energy efficiency. I thought a good rule of thumb was between 500 to 700 square feet per ton. How Many Square Feet Does A 2 Ton Air Conditioner Cool? The average commercial A/C size ranges from 2 tons for small buildings to as much as 30 tons for very large buildings. This means that they save energy by running in cycles, which results in your home being cooled at a slow and steady, rather than a rapid pace. You should not trust an HVAC contractor who does a quick walk through your home, and gives you the AC tonnage your home needs just off the top of his head. Using your formula I figured a total square footage in my home at 1595.25 sq ft. Over 40% of all HVAC systems, including central air conditioners, fail due to incompetent, hack job installation. So while you will be saving money, you will not have the optimal temperature control. Final pricing for central AC also varies based on brand name, as well as other features. Here is another very quick and basic way to figure out the size of an AC unit based on the number of square feet in your house. In order to size your mini split correctly, you will need to know the square footage of the room, and check it against our table. I thought it was to easy to just t copy what I had,, one installer thought a 31/2 Ton would be perfect. The best course of action is to hire a licensed installer who has a comprehensive, professionally designed HVAC calculator. of area. The central air conditioners that are installed in your home range from 1.5-ton to 5-ton units and increase in half-ton increments (2-ton, 2.5-ton, 3-ton, etc…). Absolutely you need 2.5 ton for good cooling. – number of people in your home This means that your house requires a central unit of 4 to 4.5 tons. Pro Tip: In general, you should have approximately 1 ton of ac capacity to cool 600 sq.ft. 18,000 BTU per hour= 1.5 Ton. 30,000 BTUs – 2.5 tons The manufacturers do not list the air conditioner size on the unit. ft of our house is 1800. Mini splits do not have this issue because the cold or hot air is produced right inside the room. On the other hand, getting a system that is too small will not keep your house cool, so while you will save money, you will not have the optimal temperature control. ft./4 tons Then, look at the corresponding unit size. So the new formula looks like this: ((2,350 x 25) / 12,000) + 0.5) = 5.39. There are two types of Manual J calculations ( whole house and room by room) and your contractor will decide which one is best to do, depending on your particular situation. – ceiling height What size AC unit for 2000 square feet ; Would you consider your home to be on the larger size, but definitely not a mini-mansion? 2. It will usually be found toward the end of the model number, immediately followed by a letter or single digit. Divide that two-digit number by twelve to get the tonnage of the unit. If you live in Southern Ontario, you may use the following charts to estimate the correct size of the heating or cooling product that you may need for your home. Here are unit prices for different tonnage (prices do not include installation): 2 ton AC unit costs $1,700 – $2,200 Hot Appliances If the room you are planning on installing an air conditioner in is the kitchen, you need to factor in additional BTUs for the stove, oven, and microwave. Do not include the square footage of your basement or garage in the calculation. Prices for central air units vary primary based on size (tonnage). So a 2.5-ton system would be 2.5 tons x 12,000 BTU/ton = 30,000 BTU. An air conditioner’s cooling capacity is expressed in BTUh (British Thermal Units per Hour) or tons (often referred to as “tonnage”). Don’t settle for a ball park estimate based on a quick visual assessment, as it will not be accurate. Overall, a room by room cooling load calculation is more accurate than a whole house one. I hope that an AC will make things a lot more comfortable in the long run. A building's energy efficiency, including air leaks, insulation and shading, and the climate it's located in impact how many tons of air conditioning are needed to cool it down. Yelena also has a personal interest in interior design, as well as in unique DIY remodeling projects. 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