What How BTU Air Conditioner FAQ Guide [ Do not miss out 51 ]

Today I’m going to answer all your BTU Air Conditioning questions. In fact, you will get the idea what we should know before buying perfect BTU Air Conditioner. 🙂

Table of Contents

What is a BTU in Air Conditioning?

British Thermal Unit (BTU) is an international unit for measuring energy. Basically, it is an amount of heat required to raise one pound of water by one degree Fahrenheit. In the HVAC systems, BTU measures the amount of heat an air conditioning unit can eliminate per hour from the room. 1 BTU/hour equals 0293 watts.

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What is the BTU requirement for an AC?

Air conditioners generally possess a cooling capacity from 5000-12,500 BTU/hr. The rule says that an AC requires around 20 BTU/sq. foot of the living area. But you should avoid buying AC on the basis of BTU alone.

How can you Calculate BTU?

Start measuring the actual square footage of the room you intend to cool or heat up. Then, accumulate the square foot for all the rooms together. The calculation ends on multiplying the total square footage with 20. This will give you an estimate of the BTUs you will require per hour to cool or heat the space.

Are higher BTUs better?

No doubt that a heater with a high BTU rating will be more powerful. In other words, it will generate more heat in lesser time as compared to the low BTU rating unit. It can also operate to increase the room temperature on an hourly basis. This will either heat your room quickly or heat up a larger area.

How much BTU is required to heat up a 20*20 area?

This is quite simple! You need to simply multiply the total square footage by the number 20 BTU/sq. foot. For instance, if the room size is 1,000 sq. feet, you shall need 20,000 BTUs for effectively heating up the room.

How many BTUs are required for a 2,000 sq. foot area?

If you reside in moderate climatic conditions like Pacific Northwest, you only require 25-30 BTU/sq. foot. In case of harsh climatic conditions like Dakotas, around 45 BTU/sq. the foot is sufficient. A 2,000 square foot of home will require a minimum 60,000 BTUs and maximum of 90,000 BTUs.

How much area a 6,000 BTU AC can cool?

First of all, you should know your room size for this. Generally, a 5,000-6,000 BTU AC can cool somewhere around 100-300 square feet of area. Also, 7,000-8,200 BTUs are sufficient to cool an area of 250-550 square feet. However, 9,800- 12,500 BTU AC can cool around 950 square feet.

What is the coverage area of a 5,000 BTU air conditioning unit?

The total size of the room determines the actual cooling capacity required. The budget ACs comes in a range of 5,000 BTU and they can cover up to 150 sq. feet, to 12,000 BTU, which is sufficient to cover around 550 sq.  feet. Needless to say, air conditioners with advanced capacities come at a higher price.

What is the cooling capacity of a 15,000 BTU?

The cost of 12,000 to 15,000 BTU is somewhere around $450 – $600. Whereas the larger BTU units cost around $1,200! 15,000 BTU capacity air conditioners are generally sufficient to cool about 875 sq. feet areas.

What is the number of rooms that a 5,000 BTU air conditioner can cool?

You see, the size of the area determines the essential cooling capacity. The budget air conditioners come in a range of 5,000 BTU that can cool around 150 sq. feet area, to 12,000 BTU that can cover around 550 sq. feet.

How can you determine the size of your air conditioner?

The model number contains 3 digits that determine the capacity of the AC in thousands of BTU/hr. as mentioned earlier, every 12,000 BTU/hr. is equal to 1 tone of the AC capacity; it’s quite easy to ascertain the capacity and size of your AC.

What is the BTU capacity of a car AC?

In the words of an electricity expert, Mr. Michael Bluejay, an average refrigerator utilizes around 488 BTUs/hr. the Ac in-car must be around 5 tons or 60,000 BTUs at highway speed.

What is the cooling capacity in kW?

Majority of the domestic air conditions have a capacity of 1-5 tons of cooling or 3.5 kW ~17.5 kW, or 12,000 BTU/h~60,000 BTU/hr. The larger chiller systems used in industries offers around 800 tons of cooling (2.8 MW or 9.6 million BTU/hr)

How can you calculate the cooling capacity of the air conditioner?

You simply have to multiply the total length to the width of the area or room you intend to cool. Then, as a practical number, multiply that total times 25 BTU.

What is the capacity of AC of a car?

What is the maximum power that an automotive air conditioner exerts? In most of the cases, sedans have air conditioning systems that can reach up to 40,000 BTU ( 3.3 Tons) when it comes to the capacity. To cool down a regular 3,000 square foot house a system of capacity 36,000 BTU (3 Ton) is effective enough.

What is the general cooling capacity for AC?

The amount of heat removed by the air conditioner in an hour is called ‘ton’. The measuring unit for the removed amount of heat is in British Thermal Units (BTU). Hence, as the BTU gets higher the cooling capacity also increases, which means the AC will cool a much larger area. 2 ton= 24,000 BTU/hr and so on.

How to define the rated cooling capacity of an air conditioner?

RATED COOLING CAPACITY – It is cooling capacity. It helps in measuring how to determine Air Conditioning or Heat Pump Equipment Rated Cooling Capacity. BTUs or tons is used to express the cooling capacity of an air conditioner. One ton of cooling capacity equals 12,000 BTU's/hour of cooling capacity.

What is cooling watts in AC?

For 1200 watts of electricity an AC of the capacity of one ton is the typical size. If you decide to use AC for about 8 hours a day the consumption will be about 9600 watts per day.

What do you understand by BTU?

The full form of BTU is the British Thermal Unit. Funnily enough unlike its name, it has no more use in the United Kingdom. BTU helps in the measurement f energy. To raise the temperature of one pound of water by one degree Fahrenheit the amount of energy required is equal to one BTU.

How many square feet will a 12000 BTU air conditioner cool?

When the energy is at 12000 BTU a typical air conditioner can cool from anywhere between 450 to 550 square feet of floor space. A 25 feet long and 20 feet wide room can be cooled at this energy if the floor space id 500 square feet.

How do I calculate BTU?

For this, you will need the measurement of each room by square footage that needs the heating or the cooling. Then you will need to find the total of each of the measurements together. Then by simply multiplying that sum by 20, you will get the total BTUs needed for your purpose.

What does DOE mean for air conditioners?

DOE is the short form for the Department of Energy. It has proposed new rules to increase the efficiency of portable air conditioners which are expected to cut down on the consumers’ electricity bills.

How many BTUs is a ton?

For 12000 BTU per hour or 3.5 kW, the equivalent is a refrigeration ton. In the U.S. the capacity of both refrigeration equipment and air –conditioning is generally specified in tons.

How many BTUs do I need?

With the total square footage of the area, you want to cool or heat just multiplying the amount by 20 will give the product that will be the BTUs needed per hour. For example, if you're trying to heat or cool 1,000 square feet, you will need to multiply 1,000 by 20 and get 20,000 BTUs per hour.

What is the calculation for BTU for a room?

So if we are to calculate BTU per square foot, the first thing that is to be done is that we need to measure the square foot length of each room that needs the temperature control. Then the amount of each room must be added together. After getting the total square footage You can simply multiply the sum by 20, therefore, finding the BTUs per hour that will be consumed for the temperature change.

How do you convert BTU to HP?

The BTU's per hour unit number 2,544.43 Btu/h converts to 1 hp I, one Mechanical horsepower. It is the EQUAL power value of 1 Mechanical horsepower but in the BTU's per hour power unit alternative.

How many BTUs do I need to heat my garage?

To understand this measurement it is a good idea to follow a simple thumb rule for forced-air heaters. To heat a 2 or 2 ½ garage you will need 45000 BTU and for a garage of capacity for three-car, you will need 60000 BTU. In case of low-intensity tube heaters, about 30000 BTU should be able to heat a two to two and a half car garage and 50000 BTU for a three-car one.

How many BTU furnaces do I need for visible results?

In the case of cooler climates, the furnace sizing should have a broad estimate. The selection should be such that it should generate 40 to 45 BTUs per square foot. For this amount, you would need a furnace of the capacity of about 100,000 to 112,500 BTU considering the size of the room is 2500- square-foot home.

What is a good energy efficient ratio?

The AC energy efficient ration is its BTU capacity over its wattage. For instance, if 1,200 watts id consumed by a 10,000 BTU air conditioner, the rating comes out to be (10,000/ 1,200) 8.3. the higher the rating, the higher the efficiency of the AC unit is.

What is the meaning of energy ratio?

Energy ratio is the efficiency measurement of the cooling or heating system, like the air conditioner or heat pump, equivalent to the ratio of BTU/hr. output to the input in watts. A high efficacy domestic air conditioner comes with an EER of above 7.5.

Is a high energy efficiency ratio good?

An air conditioner’s competence is calculated as per the energy efficiency ratio or EER. The ratio is calculated in BTU/hr. unit. It is to be noted that, higher EER means a more efficient unit. Make sure you check the EER when you go out to shop for a new AC.

What is a good CEER Rating?

CEER, combined energy efficiency ratio is used for residential ACs and calculates the efficiency of the AC when it is on standby and is actually operating to cool a space. You see, higher the CEER, higher is the efficiency of the unit is.

How is 16 SEER more efficient than 14 SEER?

As per the Kobie SEER energy saving calculator, 16 SEER units consume around 13% less energy for producing the similar cooling as of a 14 SEER unit. In other words, for every $100 you will pay to operate a 14 SEER unit, you can save up to $13 by advancing it to a 16 SEER unit.

Is 15 SEER a good rating?

Generally, 14 or 16 SEER rating is considered a good rating for the majority of the applications. You should be alert of some marketing tactics used in the industry. You would be surprised to know that it won’t pay unless you operate it for 24 hours daily for the next 15 years. In the long run, a high SEER will be less reliable than a strong 16 or 14 SEER AC systems.

How efficient is a 13 SEER air conditioner? Is a 14 SEER rating well?

Advanced air conditioners come with a minimum SEER value from 13 or 14 SEER depending upon the requirements of the state. While the maximum range is around 21 or 25 SEER based upon the advanced technology limitations. Also, a SEER rating is a maximum rating and not a fixed value.

What is a good SEER rating?

A high SEER rating refers to higher energy efficiency. The minimum SEER is 13 for air conditioners. Majority of the advanced air conditioners come with SEER ratings from 13-21. Trane ACs come in a range of 14.5-22 SEER.

Which is a better one, 14 SEER or 16 SEER?

As per the Kobie SEER energy saving calculator, 16 SEER units consume around 13% less energy for producing the similar cooling as of a 14 SEER unit. In other words, for every $100 you will pay to operate a 14 SEER unit, you can save up to $13 by advancing it to a 16 SEER unit.

What is the ideal AC size for 1,000 sq. feet house?

Considering the minimum cooling capacity of 400 sq. feet/ton, a 16,000 sq. feet house will need 4 tons of AC to cool. Your HVAC unit needs to eliminate around 48,000 BTUs or 4×12, 000 BTUs/hr to keep the entire house cool.

How many tons of AC is sufficient for per square foot area?

Every square foot shall contain around 12,000 BTUs that are required to be removed on an hourly basis, like the commercial areas. Now if we assume the minimum cooling strength of 400 sq. feet/ton for your house, 4 tons of AC should be sufficient to cool a 1600 sq. ft. house.

Why is the capacity of an AC measured in tons?

Do you know why the capacity of an AC measured in tons? Basically, a ton is the amount of heat required to convert and ice into water. However, the capacity of an AC indicated the amount of heat that it can effectively remove. Simply stated, 11,917 BTU/hr. is 12,000 BTU/hr. that is 1 ton of the AC capacity.

What is a ton in AC?

You see, a ton is nothing but the cooling capacity of an AC system. In other words, 1 ton is equivalent to the amount of heat needed (2, 88,000 BTU) to thaw 1 ton of ice completely in a period of 24 hours. 1 ton AC is rated at (2, 88,000/24) 12,000 BTU/hr.

How should I choose AC ton?

First of all, you need to calculate the area of the room. You will get the basic capacity figures by dividing the area by 600. For instance, if the room’s area comes out to be 100 sq. feet, the AC capacity needed is somewhere around (100/600) 0.167 tons. Now, add 0.5 tons to the basic capacity figure for every 5 persons present in the area.

Which is better 1 ton or 1.5 tons AC?

You see, larger the area of cooling, better will be the AC rating. It is to be noted that a 1.5 ton AC will have 50% higher cooling capacity as compared to a 1 ton AC. In other words, 1.5 ton can give a lot of cooling.

How much area 1.5 tons of AC can cool?

If the room area is somewhere between 80-120 sq. feet, 1 ton of air conditioner is sufficient to effectively cool the entire room. However, a 1.5-ton air conditioner shall be sufficient for a room of 120-190 sq. ft. and a 2 ton AC is a must for the rooms ranging from 190-300 sq. ft.

Is a 1 ton AC sufficient?

1-ton air conditioners cover around 80-120 sq. ft. area. However, 144 sq. ft. is on the higher side. If you have sun-facing windows in your room, a 1.5 ton AC can prove to be a good choice. You can get a better idea by a chart given-below.

Is 2 ton AC suitable for what room size?

A 0.75 ton AC is sufficient for a bedroom whose area is less than 80 sq. ft. The 1-ton air conditioner is sufficient for a room size of 120 sq. ft. and a 1.5-ton air conditioner can be sufficient for 190 sq. ft. room area.

How much area does a 2-ton air conditioner cover?

See, a properly insulated 100 sq. ft. the room will require a half-ton (4000-6000 BTU) AC. Whereas, a 1 ton (12,000 BTU) AC can cool up till 500 sq. ft. of the area. And a 2-ton air conditioner can cool an area of 1500 sq. ft. residence effectively.

What is the difference between a 1 ton and 1.5 ton AC?

Please note that ton here refers to the volume of heat removed by an AC in 1 hour. This volume is measured by BTU (British thermal unit). Needless to say that high BTU indicates a better cooling capacity. High BTU ACs can cool a larger area in a less time period. For this, you should go for 2 ton (24,000 BTU/hr) or higher.

What do 3 stars and 5 stars in AC indicate?

The concept is, higher the star rating, lesser will be the electricity bill. A 3-star air conditioner comes with an energy-efficient ratio to 2.9-3.09. Whereas, a 5-star air conditioner has an EER of over 3.3

How a 3 star AC different than a 5 star AC?

Both can be differentiated on the basis of their efficiency. Simply stated, a 3 star AC will be less efficient than a 5 star AC. The energy usage is high in it. 3 star AC uses more power accelerating a higher monthly electricity bill.

Is an inverter AC worth investment?

Do you know that a 3-star inverter AC is more capable of a standard 5 star AC available in the market? Once you have recovered your extra cost, you can enjoy savings with this inverter AC. An inverter AC is user-friendly and also saves a lot of electricity cost.

Now you turn,

If your question is not listed, you want to add your question in the list or have any other query,

feel free to drop in the comment box.

Cheers 🙂

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What How BTU Air Conditioner FAQ Guide [ Do not miss out 51 ]
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What How BTU Air Conditioner FAQ Guide [ Do not miss out 51 ]
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You need to know A to Z BTU Air Conditioner FAQ Guide. You will find all your BTU Air Conditioning Questions with descriptive Answers.
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BTU AIR Conditioner
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