Apr 10, 2024 · We can use tonnage to describe the sizing of an HVAC system or how much a ship weighs. Basically, tonnage is the weight in tonnes (or tons for short) of massive volume objects, such as the contents of a cargo ship or earthworks like rocks and gravels. This calculator focuses on the latter, particularly the different aggregates used in ... Have a few carrier units need to know age and tonnage, M# 48TFD005---511-- S# 1702640092. M# 48TFE008---511-- S#0402621477. M# 48TJF016---58IYA S#2602F63529This allows ample cooling, whether it is a rainy, moist day or a hot, sunny, humid day. Let’s say the room is 12 feet wide by 15 feet long. That means 12x15=180 square feet. Take the 180 sq. ft. times 25 BTU …Free AC Sizing calculator. If you’re wondering “What size air conditioner do I need?” This BTU and AC tonnage calculator can help. *Super easy* to use based on your climate and insulation factors.27 Jan 2024 ... I usually use 500 square feet per ton to calculate tonnage requirem ... HVAC sizing. I didn't do the inspection ...If you follow these steps, you should have the ideal chiller size for your needs. Here’s an example of the formula in action: Scenario: What size chiller is required to cool 40GPM from 70°F to 58°F??T°F = 70°F – 58°F = 12°F; BTU/hr. = 40gpm x 60 x 8.33 x 12°F = 239,904 BTU/hr. Ton Capacity = 239,904 BTU/hr. ÷ 12,000 = 19.992 TonsFirst, find the square footage of your room and then check its corresponding BTU requirements. This chart is only a starting point, though, and you should not base your purchase decision on this information alone. For a more precise estimate, you can use our HVAC sizing calculator. The most accurate method of sizing is with a professional …Next. Enter Room Size (in feet) Back. Next. Enter Area of Windows (in square feet) Back. Next. Is your floor Basement or Ground Floor First or Higher Floor.Our free, easy-to-use HVAC load calculator will help you determine the necessary thermal output capacity ... 0 BTU / 0 Tons. Calculate. Add tool to your website. Home.The size (cooling capacity) of your air conditioner is measured in BTU (British thermal unit) and tons (12,000 BTU = 1 ton). How much cooling capacity should your air conditioner …Whether you have an established HVAC business or you're just getting started, our HVAC s list will help ensure you have everything you need. Selecting the right tools for HVAC is e...By Emma 09/24/2023. To calculate the tonnage of AC needed for a room, multiply the square footage of the room by 25 BTUs. For example, if the room is 200 square feet, the required tonnage would be 5 tons. Calculating the correct tonnage of air conditioning (AC) needed for a room is essential for ensuring proper cooling and energy efficiency.1 3/8. 1 5/8. 1 5/8. 1 5/8. Refer to DuPont Refrigerant Expert, Version 2.0 for actual velocities and pressure drops. Equivalent length is actual length plus friction losses caused by fittings and accessories. Line sizes are expressed in outside diameter of type “L” copper tubing. Line sizes are calculated at rated full load system capacity.4 Jan 2022 ... For every 500 BTUs required for your home, you will need approximately one ton of air conditioning or heating capacity (1 ton = 12,000 BTUs). Step 1: Measure the Room The first step is to measure the dimensions of your room. Use a measuring tape to accurately determine the length, width, and height of the room. Multiply the three measurements to obtain the total volume in cubic feet (ft³). Example: Let’s say your room measures 15 feet in length, 12 feet in width, and 10 feet in ... 3 tons – 1501 to 2100 square feet. 3.5 tons – 1801-2300 square feet. 4 tons – 2101 to 2700 square feet. 5 tons – 2401 to 3300 square feet. If you think your system may not be the correct size for your space, you are looking to get a new system or you have any questions regarding HVAC units, contact A/C Masters at 757-898-2894. How To Calculate Return Duct Size. Here is the step-by-step guide you can use (the all-encompassing chart is below the guide): Multiply the tonnage of your HVAC unit by 400 to get the CFMs.Example: 3-ton unit will require 3 × 400 CFM = 1,200 CFM airflow. Specify the shape of the ducts you are using: Return ducts can be either round or rectangular.; …1 3/8. 1 5/8. 1 5/8. 1 5/8. Refer to DuPont Refrigerant Expert, Version 2.0 for actual velocities and pressure drops. Equivalent length is actual length plus friction losses caused by fittings and accessories. Line sizes are expressed in outside diameter of type “L” copper tubing. Line sizes are calculated at rated full load system capacity.The refrigeration calculator includes an advanced refrigeration system calculation method, based on component simulation rules proposed by ASHRAE, refrigerant properties calculated using NIST’s REFPROP, and updated thermodynamic correlations from different authors for the calculation of heat exchange. HVAC design tools include such popular items as the Trane Ductulator™, psychrometric charts, and load estimating forms. Learn more about the order process here . Ductulator - Hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method. Step 1: Measure the Room The first step is to measure the dimensions of your room. Use a measuring tape to accurately determine the length, width, and height of the room. Multiply the three measurements to obtain the total volume in cubic feet (ft³). Example: Let’s say your room measures 15 feet in length, 12 feet in width, and 10 feet in ...27 Jan 2024 ... I usually use 500 square feet per ton to calculate tonnage requirem ... HVAC sizing. I didn't do the inspection ...23 Aug 2021 ... ... air conditioner. Simple Ways to Select the Right AC Size. split ac tonnage calculator. 1. Size of the Room. The first thing that you must keep ...The main factor is the size of the room. Room Size. The size of the room is the main factor in choosing a window air conditioner size. A larger room will naturally require more energy to cool and more airflow in CFM than a smaller room. Window AC Size Chart. The chart below from Energy Star shows how many BTUs are needed for a given room size.48,000 BTUs. 2500 sq. ft. 5-ton AC unit/5-ton heat pump. 60,000 BTUs. You can find your system’s current tonnage by looking in your owner’s manual, or at the information plate on the outdoor unit, usually located on the side or back of the unit. Look for the model number, and then within the model for an even number between 18 and 60.We can use tonnage to describe the sizing of an HVAC system or how much a ship weighs. Basically, tonnage is the weight in tonnes (or tons for short) of massive volume objects, such as the contents of a cargo ship or earthworks like rocks and gravels. This calculator focuses on the latter, particularly the different aggregates used in ...AC Tonnage Calculator accurately estimates the proper Central AC size in TONs & BTUs, as well as the cost to install your Central Air system in different climate zones, based on your house size & AC SEER rating, conditioned space size, heat load / loss, & other parameters. The size of your AC will determine the replacement costs & energy usage.48,000 BTUs. 2500 sq. ft. 5-ton AC unit/5-ton heat pump. 60,000 BTUs. You can find your system’s current tonnage by looking in your owner’s manual, or at the information plate on the outdoor unit, usually located on the side or back of the unit. Look for the model number, and then within the model for an even number between 18 and 60.By Emma 09/24/2023. To calculate the tonnage of AC needed for a room, multiply the square footage of the room by 25 BTUs. For example, if the room is 200 square feet, the required tonnage would be 5 tons. Calculating the correct tonnage of air conditioning (AC) needed for a room is essential for ensuring proper cooling and energy efficiency.Each ton of refrigeration can cool 12,000 BTUs each hour. Learn how to calculate air conditioning tonnage by multiplying the unit’s tonnage by 12,000. Using this formula: A 2-ton unit can cool 24,000 BTUs per hour. A 3-ton unit can cool 36,000 BTUs per hour. A 4-ton unit can cool 48,000 BTUs per hour.Example of big metal round and rectangular ducts (3,000+ CFM airflow). To figure out exactly how big ducts you need for central air conditioning systems, we have prepared complete CFM duct charts for all different kinds of ducts:. Duct sizing chart for flex ducts (round ducts with 5-20 inch diameter).; Duct sizing chart for metal ducts (round ducts …Find an Air Conditioner Installer. Discover what size air conditioner you'll need, how many BTUs your home requires per sq ft and which factors impact the size of an air …A cooling capacity of one ton is equal to 12,000 BTUh. Air conditioners for your home have a tonnage rating. Those ratings fall within 0.5-ton increments, and create a scale of 1.5, 2, 2.5, 3, 3.5, 4, 4.5, or 5 ton units. For example, when considering what size air conditioner is needed for a 2,000 square foot home, you would likely choose a 3 ...Jun 17, 2023 · As a general rule, an air conditioner needs 20 Btu for each square foot of living space. But other considerations, such as the ceiling height and the size of your windows and doorways, might call ... Choosing the right sized air conditioner can be as easy as using a tape measure and a little mathematics. Simply measure the length and width of a room and figure the square footage. Let's say it is a 10 foot by 15-foot room. Multiply the two together to get 150 square foot room. Using the sizing chart to calculate the appropriate BTU …The minimum SEER allowed for a new split system central air conditioner in the U.S. today is 14, which is at least 20 percent more efficient than minimum-efficiency models made even 10 years ago ... There are 12,000 Btu's per ton. The number 24 in the model number indicates the unit is 24,000 Btu's, divided by 12,000 Btu's per ton, equals 2 tons. 24,000 Btu's/ 12,000 Btu's per ton = 2 tons. Use the following conversion information to determine your existing system size (use the system model number NOT the serial number) AC Direct Pricing. This air conditioner size calculator, also known as an AC Tonnage calculator, air conditioner size calculator helps you to choose what size of air conditioner, so By using the existing heating/cooling ducts that …A cooling capacity of one ton is equal to 12,000 BTUh. Air conditioners for your home have a tonnage rating. Those ratings fall within 0.5-ton increments, and create a scale of 1.5, 2, 2.5, 3, 3.5, 4, 4.5, or 5 ton units. For example, when considering what size air conditioner is needed for a 2,000 square foot home, you would likely choose a 3 ...Calculate the square footage of each room by multiplying the width by the height. Add up the square footage of each room to get the total square footage served by the HVAC system. Multiply that figure by 20 to get the base BTU load requirement. Divide the BTU load requirement by 12 to get the tonnage. Given the above example, let's imagine you ...Our free, easy-to-use HVAC load calculator will help you determine the necessary thermal output capacity (in BTUs) of any residential building.This AC BTU calculator is the first step in getting the right size central air conditioning system to make your home comfortable – the right temperature and perfect humidity. Central AC Sizes. AC capacity is measured in BTUs – actually BTU/hour, or the number of BTUs the unit moves in one hour of running.The capacity in tons of a Trane outdoor unit can be determined by dividing the 7th and 8th digit of the model number by 12. So if the model number is #4TTX4036A1000AA, take 36 and divide by 12, equaling 3 tons. Lets decode the trane model number from the example above: First letter. The model number starts with 4.Now that we have the adequate BTU per sq ft estimate, we can calculate BTU for this room size like this: Air Conditioner BTU (400 Sq Ft) = 400 Sq Ft × 26.5 BTU Per Sq Ft = 10,600 BTU. We can see that we would need about 10,600 BTU to adequately cool this 400 sq ft room. In practice, we would install an 11,000 BTU or 12,000 BTU portable or ...Air Conditioner BTU Chart. The chart below is a great starting point for sizing your AC. These BTU calculations are based on a standard room with 8-foot ceilings, two windows and one door. If the room has more …This information supports our PickHVAC AC BTU calculator that gives you guidance on how many BTUs your air conditioner should be. There is a room size chart to assist in choosing the right size air conditioner. Window air conditioners range from 5,000 to 24,000 BTUs in most brands (a few are a little larger) Portable air conditioners are ...AN HVAC LOAD CALCULATOR THAT’S ACTUALLY FUN TO USE. For ages 8 to 80. How to perform an HVAC load calculation. Watch video. ... For example, a load calculation may call for a three-ton unit at 95-degree outdoor temperature, however, 97% of the time it is less than 95 degrees outdoors. A practical solution is to slightly undersize the unit but ...At AL Naveed AC System Installation LLC, we use a complex formula and factor in many details to determine the exact amount of Btu your new air conditioner should have, we provide you with this free online Btu and Tonnage calculator (also known as load calculation) to give you a estimate. Just fill in your home or office square footage, the ... When it comes to optimal AC performance, size does matter. A unit that’s too small for your home will cause the system to run constantly and leave you with an ever-rising energy bill. If the system is too big, the air will be cooled quicker than the system can dehumidify the space. You’ll be left with a humid, sticky environment. What is the proper size HVAC system for my home? Sizing the equipment load requires the consideration of several factors. Ceiling height, construction, window size and placement and dozens of other variables all need to be considered to properly size a heating and/or cooling system. A professionally conducted load calculation is the foundation ...Since most air conditioning units are provided in increments of ½ a ton (6,000 BTU/hour) sizes, this system should be quite close to the actual units that will be used. Note: This HVAC calculator is provided strictly as a quick method of computing general size and value conditions. Square foot methods are considered rule of thumb for use in ...How To Calculate Return Duct Size. Here is the step-by-step guide you can use (the all-encompassing chart is below the guide): Multiply the tonnage of your HVAC unit by 400 to get the CFMs.Example: 3-ton unit will require 3 × 400 CFM = 1,200 CFM airflow. Specify the shape of the ducts you are using: Return ducts can be either round or rectangular.; …1,000 - 1,200 sq. ft. small home, 3-4 bdrm apartment. 24,000 BTU. 1,400 - 1,500 sq. ft. medium home, 4-bdrm apartment. 30,000 BTU. 1500 - 1700 sq. ft. medium home, 4-bdrm apartment. Now, let’s discuss how this table will help you choose the right size air conditioner for the room or zone you want it to serve.Learn how to calculate the amount of AC tonnage required for a room with our Tonnage Calculator. Try it now and make a smart decision.We can use tonnage to describe the sizing of an HVAC system or how much a ship weighs. Basically, tonnage is the weight in tonnes (or tons for short) of massive volume objects, such as the contents of a cargo ship or earthworks like rocks and gravels. This calculator focuses on the latter, particularly the different aggregates used in ...The SEER Rating Savings Calculator then compares that existing data with a higher-efficiency air conditioner or heat pump to show customers A/C energy savings ...Most homes need ACs that range from 18,000 to 60,000 BTUs. Sometimes you’ll see air conditioner size measured in tons instead of BTUs. Tonnage is just another way of expressing an air conditioner’s cooling performance. Below is an AC sizing chart to help you compare tonnage with BTU output: 1 ton = 12,000 BTUs.Below is a room air conditioner sizing chart by room size. The air conditioner sizes (BTU & Ton) are rounded to the actual common air conditioner sizes rather than just the result of the calculated cooling capacity. Hence, you can conveniently match the exact air conditioner based on your room size. Room Size (ft) BTU.service technicians to demonstrate how to size refrigerant piping. Using This Guide This Guide covers R-22, R-407C, R-410A, and R-134a used in commercial air conditioning systems. It does not apply to industrial refrigeration and/or Variable RefrigerantVolume (VRV) systems. Illustrations and figures are not to scale.Locate the second set of numbers within the larger M/N number (the numbers after the first dash, characters 6-8). This number indicates the BTUs/ hour of the unit. For example, 024 equals 24,000 BTUs. Divide the BTUs by 12,000 (one ton). This number will equal the tonnage of the AC unit. In this example, the unit is a two-ton unit (24,000 ...How To Use Our AC Tonnage Calculator. Simply input the estimated square footage of your home into the calculator and click “Calculate.”. Our tool will provide you with the recommended air conditioning unit size, taking into account energy efficiency and optimal cooling capacity. By following these personalized recommendations, you can ...Further below, you can find an AC tonnage calculator chart with the necessary power according to your size in square feet: Keep in mind that many other factors influence the …A cooling capacity of one ton is equal to 12,000 BTUh. Air conditioners for your home have a tonnage rating. Those ratings fall within 0.5-ton increments, and create a scale of 1.5, 2, 2.5, 3, 3.5, 4, 4.5, or 5 ton units. For example, when considering what size air conditioner is needed for a 2,000 square foot home, you would likely choose a 3 ...AC Tonnage: It takes one ton of heat to remove 288,000 Btus from the air in a day. That’s the amount of Btus that must be removed to melt one ton of ice over 24 hours. Thus, a one-ton AC unit would be rated 12,000 Btus per hour. The total square feet in a home is the primary factor involved in calculating which AC is best.AC Tonnage: It takes one ton of heat to remove 288,000 Btus from the air in a day. That’s the amount of Btus that must be removed to melt one ton of ice over 24 hours. Thus, a one-ton AC unit would be rated 12,000 Btus per hour. The total square feet in a home is the primary factor involved in calculating which AC is best.Further below, you can find an AC tonnage calculator chart with the necessary power according to your size in square feet: Keep in mind that many other factors influence the …AC Calculator. Size matters. And when it comes to choosing an AC there’s no such thing as one size fits all. Taqeef’s AC calculator gives you a quick guide to choosing the right AC for your space. Welcome to interactive presentation, created with Publuu. Enjoy the reading!This air conditioner size calculator, also known as an AC tonnage calculator, helps you choose the right size air conditioner for your room. It takes into account factors such as room size, city of use, number of people, and number of appliances in the room to recommend the appropriate AC size in tons. Use a tape measure to determine the length ...AN HVAC LOAD CALCULATOR THAT’S ACTUALLY FUN TO USE. For ages 8 to 80. How to perform an HVAC load calculation. Watch video. ... For example, a load calculation may call for a three-ton unit at 95-degree outdoor temperature, however, 97% of the time it is less than 95 degrees outdoors. A practical solution is to slightly undersize the unit but ... HVAC design tools include such popular items as the Trane Ductulator™, psychrometric charts, and load estimating forms. Learn more about the order process here . Ductulator - Hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method. Our free, easy-to-use HVAC load calculator will help you determine the necessary thermal output capacity (in BTUs) of any residential building.The SEER Rating Savings Calculator then compares that existing data with a higher-efficiency air conditioner or heat pump to show customers A/C energy savings ...What is the proper size HVAC system for my home? Sizing the equipment load requires the consideration of several factors. Ceiling height, construction, window size and placement and dozens of other variables all need to be considered to properly size a heating and/or cooling system. A professionally conducted load calculation is the foundation ...To estimate the air conditioner size you'd need to cool a specific room: Measure the square footage or area in square meters of the room. For that, multiply its …Air conditioning condenser units for cooling your home all summer long. Get an efficient, reliable, and budget-friendly air conditioner unit from RunTru by ...1,000 - 1,200 sq. ft. small home, 3-4 bdrm apartment. 24,000 BTU. 1,400 - 1,500 sq. ft. medium home, 4-bdrm apartment. 30,000 BTU. 1500 - 1700 sq. ft. medium home, 4-bdrm apartment. Now, let’s discuss how this table will help you choose the right size air conditioner for the room or zone you want it to serve.Fluid Power Engineering. Copper Tubing HVAC Size Chart- Size and Physical Characteristics of Copper Tube: ACR (Air-Conditioning and Refrigeration Field Service) (A= Annealed Temper, D=Drawn Temper) Nominal or Standard. Size, inches. Nominal Dimensions, inches. Calculated Values (based on nominal dimensions)Both offer a measurement of an air conditioner’s cooling ability over an hour’s time. One ton of cooling capacity is equal to 12,000 BTUh. Residential air conditioners usually range from 1.5 to 5 tons (or, 18,000 – 60,000 BTUh). Anything with larger cooling capacity would be considered light commercial. Tonnage ratings are typically ...Here are some of the common HVAC Questions that most users of air conditioners or heat pumps asked. Expert Advice On Improving Your Home Videos Latest View All Guides Latest View A...An air conditioner generally needs about 20 BTU per square foot of living space. Once you've calculated the square footage of the room or home, multiply the result by 20 to find the air conditioner size for the home. For example, if the square footage of the home is 2,000 square feet, you can find the right air conditioner size by multiplying ...Sep 2, 2022 · A cooling capacity of one ton is equal to 12,000 BTUh. Air conditioners for your home have a tonnage rating. Those ratings fall within 0.5-ton increments, and create a scale of 1.5, 2, 2.5, 3, 3.5, 4, 4.5, or 5 ton units. For example, when considering what size air conditioner is needed for a 2,000 square foot home, you would likely choose a 3 ... Sizing systems. It’s important to install the right Trane matched system size for your home, depending on a number of factors. The wrong system size could cost you. A system that is too large will cool or heat your house quickly, but you still may not feel comfortable. It will satisfy the temperature setting on your thermostat before it can ...Below is a room air conditioner sizing chart by room size. The air conditioner sizes (BTU & Ton) are rounded to the actual common air conditioner sizes rather than just the result of the calculated cooling capacity. Hence, you can conveniently match the exact air conditioner based on your room size. Room Size (ft) BTU.First, measure the length and width of your AC unit in feet. Then, multiply those two numbers together to get the square footage. Next, take that number and divide it by 12. This will give you the tonnage of your AC unit. For example, if your AC unit is 10 feet long and 8 feet wide, the square footage would be 80.There are 12,000 Btu's per ton. The number 24 in the model number indicates the unit is 24,000 Btu's, divided by 12,000 Btu's per ton, equals 2 tons. 24,000 Btu's/ 12,000 Btu's per ton = 2 tons. Use the following conversion information to determine your existing system size (use the system model number NOT the serial number) AC Direct Pricing.The basic formula for determining the required tonnage of a central air conditioning system is as follows: ( ( House square footage times 30 then divided by 12,000 ) – 1.0 ) = Required Tonnage ... (such as 110 degrees in the desert) then don’t subtract 1 in the formula above. To determine a more accurate size for your region, use …
service technicians to demonstrate how to size refrigerant piping. Using This Guide This Guide covers R-22, R-407C, R-410A, and R-134a used in commercial air conditioning systems. It does not apply to industrial refrigeration and/or Variable RefrigerantVolume (VRV) systems. Illustrations and figures are not to scale. . El presidente supermarket near me
Step one is simply figure out the room size in square feet of the room you would like to keep cool. Next, figure out the amount of heat or "heat load" that the room receives. For example, if the room has a lot of windows or is next to a kitchen, that room would probably have a high heat load. Based on those two parameters, you should be …Our free, easy-to-use HVAC load calculator will help you determine the necessary thermal output capacity ... 0 BTU / 0 Tons. Calculate. Add tool to your website. Home.The capacity in tons of a Trane outdoor unit can be determined by dividing the 7th and 8th digit of the model number by 12. So if the model number is #4TTX4036A1000AA, take 36 and divide by 12, equaling 3 tons. Lets decode the trane model number from the example above: First letter. The model number starts with 4.Here’s the calculation: Mini-Split Heat Pump Size (1,500 sq ft) = 1,500 sq ft * 30 BTU per sq ft = 45,000 BTU. For a 1,500 sq ft home, you would need about 45,000 BTU heat pump. Let’s convert that to tons and kWs; that’s 3.75 tons (about 4 tons) and about 13 kW.This number is typically between 18 and 60. Divide this number by 12 (representing 12,000 BTU/hr, or one ton of cooling capacity) to get the overall tonnage of the unit. This chart may also be useful when converting the numbers: 18 = 1.5 tons. 24 = 2 tons. 30 = 2.5 tons.This allows ample cooling, whether it is a rainy, moist day or a hot, sunny, humid day. Let’s say the room is 12 feet wide by 15 feet long. That means 12x15=180 square feet. Take the 180 sq. ft. times 25 BTU per square foot and you get the minimum BTU air conditioner you should buy. That means 180x25=4500 BTU cooling capacity is needed.To calculate the required equipment size, divide the HVAC load for the entire building by 12,000. One ton equals 12,000 BTUs, so if a house or office needs 24,000 BTUs, it will take a 2-ton HVAC unit. If you get an uneven number, such as 2.33 for a 28,000 BTU load capacity, round up to a 2.5-ton unit.In case you know the power in watts but want to know how many BTUs it is equivalent to, you would only have to multiply the power in BTUs by 3.412. 1 Watt = 3.412 BTU/hour. You will often find that thermal power is expressed in kilowatts (kW). 1 kilowatt equals 1000 watts. Thus, an air conditioning system requiring 2322 W will be equivalent to ...To calculate the required equipment size, divide the HVAC load for the entire building by 12,000. One ton equals 12,000 BTUs, so if a house or office needs 24,000 BTUs, it will take a 2-ton HVAC unit. If you get an uneven number, such as 2.33 for a 28,000 BTU load capacity, round up to a 2.5-ton unit.AC Tonnage Chart. If you know the height of your room ceiling, you can get an even more accurate idea of the AC tonnage that you need with online AC tonnage calculators. It doesn’t even matter whether you’re looking for a window or split AC ton calculator. You can use any but this AC capacity calculator from Carrier is particularly useful:Step 1: Measure the Room The first step is to measure the dimensions of your room. Use a measuring tape to accurately determine the length, width, and height of the room. Multiply the three measurements to obtain the total volume in cubic feet (ft³). Example: Let’s say your room measures 15 feet in length, 12 feet in width, and 10 feet in ...hvac heat load calculation formula latent heat formula hvac hvac tonnage calculator chart furnace size calculator ac unit for house cooling capacity air ...This number is typically between 18 and 60. Divide this number by 12 (representing 12,000 BTU/hr, or one ton of cooling capacity) to get the overall tonnage of the unit. This chart may also be useful when converting the numbers: 18 = 1.5 tons. 24 = 2 tons. 30 = 2.5 tons.Contact Us. This calculator should only be used to estimate your building’s BTU needs. You should get a professional BTU estimate done by your local HVAC Company to get a better picture of what size unit you need. Need help? Give us a call today 602.349.6922.The size of air conditioner you need depends primarily on your home’s square footage. Measure the square footage of each room. Measure the length and width of each room in your home. Multiply those numbers together to determine the room’s square footage. Calculate your home’s total square footage. Next. Enter Room Size (in feet) Back. Next. Enter Area of Windows (in square feet) Back. Next. Is your floor Basement or Ground Floor First or Higher Floor. 29 Jun 2018 ... In laymen term, AC Tonnage is simply the cooling capacity or the cooling output of the air-conditioner. The calculation is quite simple. The ...Free AC Sizing calculator. If you’re wondering “What size air conditioner do I need?” This BTU and AC tonnage calculator can help. *Super easy* to use based on your climate ….