What does 3 ton capacity mean?

In the context of boilers, a “3 ton” capacity refers to the boiler’s ability to generate 3 tons of steam per hour. This is a measurement of the boiler’s capacity to produce heat and, subsequently, steam. A 3-ton boiler can produce a substantial amount of steam suitable for various industrial or residential applications.

The tonnage is calculated based on a measurement called pounds per square inch (PSI). To convert PSI to pounds, you simply multiply it by 14.7. So, for example:

A boiler with a pressure of 100 PSI would produce 1,400 lbs/hr or 0.67 tons (1,400×14.7). This is considered an industrial-grade unit and suitable for use by businesses with high demands for hot water or steam production such as laundries and factories where large volumes need heating up quickly.

3 ton steam boiler

How many BTU in a 3 ton boiler?

To calculate the BTU (British Thermal Units) output of a 3-ton boiler, you need to know that one ton of cooling is equal to 12,000 BTUs per hour. Therefore, a 3-ton boiler can produce 3 x 12,000 BTUs per hour, which equals 36,000 BTUs per hour. This is the amount of heat energy the boiler can generate per hour.

What is the working pressure of a 3 ton boiler?

The working pressure of a 3-ton boiler can vary depending on its design and purpose. Typically ranging from low-pressure boilers (up to 15 psi) used for residential heating to high-pressure boilers used in industrial processes (100 psi and higher). The specific working pressure of a 3 ton boiler would be determined by the manufacturer and its intended application. It’s essential to consult the boiler’s specifications to ensure it meets your specific needs.

How do you calculate boiler tonnage?

Boiler tonnage is calculated based on the amount of heat energy required to produce a certain amount of steam or heat. The formula typically used for this calculation is:

Boiler Tonnage = Steam (or Heat) Output ÷ Heat Input

The heat input is measured in BTUs per hour, and the steam or heat output is also measured in BTUs per hour. By dividing the desired heat output by the heat input efficiency factor, you can determine the appropriate tonnage for your boiler.

What size tonnage do I need?

The size of a boiler is calculated in tons, which refers to its capacity to heat water. The more tonnage your boiler has, the larger its heating system will be. In order to calculate how much heat you need in your home or apartment building, it’s important that you first consider factors such as:

  1. How many people live in your house or apartment?
  2. What are their ages? Do they have any special medical conditions that require extra care when it comes to temperature control (such as elderly people)?
  3. How much space do these people occupy? Is there only one bedroom or several rooms for sleeping and living? Is this an open-concept home with no walls separating spaces from each other?

Once you know these answers, then use them together along with some basic math skills (or our handy calculator) so that we can determine what size boiler would best meet those needs!

3 ton boiler price

How much does a 3 ton boiler cost?

The cost of a 3-ton boiler can vary significantly depending on various factors, such as the type of boiler (e.g., gas, oil, electric), its brand, efficiency rating, features, and installation requirements. A standard 3-ton residential boiler could cost anywhere from $3,000 to $7,000 or more, including installation. Industrial boilers can be considerably more expensive.

Fuel Type Unit Cost Installation Cost Total Cost
Natural Gas $2,500 – $5,000 $2,000 – $4,000 $4,500 – $9,000
Heating Oil $3,500 – $6,000 $2,500 – $5,000 $6,000 – $11,000
Electric $1,000 – $3,000 $1,500 – $3,500 $2,500 – $6,500
Coal $3,000 – $6,000 $3,000 – $5,000 $6,000 – $11,000
Biomass $5,000 – $10,000 $3,000 – $6,000 $8,000 – $16,000


In conclusion, a 3-ton boiler’s capacity is an impressive measure of its ability to generate heat and steam. Its BTU output, working pressure, and suitability for your needs will depend on various factors. Whether for residential or industrial use, investing in the right boiler is crucial for efficient and reliable heating and steam generation.


What does 3 ton furnace mean?

A 3 ton furnace refers to its heating capacity, typically in terms of cooling output. It can effectively heat or cool a space equivalent to the cooling power of 3 tons of ice melting in a day, which is about 36,000 British Thermal Units (BTUs) per hour.

What is the minimum capacity of boiler?

The minimum capacity of a boiler varies based on application and needs. It's essential to determine your specific requirements, but residential boilers often start at around 50,000 BTUs per hour.

How do I calculate boiler pressure?

The formula for calculating boiler pressure using the ideal gas law is as follows: P = (n * R * T) / V Where: P is the absolute pressure in pascals (Pa). n is the number of moles of gas. R is the specific gas constant for the gas (for steam, R = 461.5 J/(kg·K) or 8.314 J/(mol·K) if using moles). T is the absolute temperature in kelvin (K). V is the volume occupied by the gas.

What is one ton of heating?

One ton of heating is equivalent to 12,000 BTUs per hour, commonly used to measure the heating capacity of furnaces and boilers. It represents the amount of heat needed to raise the temperature of one ton (2000 pounds) of water by one degree Fahrenheit in one hour.

About the author

About the author

Yunchong Shang

Yunchong is a seasoned boiler expert with over five years of hands-on experience in the boiler industry. He has expertise in various types of boilers, including fire-tube, water-tube, and steam boilers, while also staying up-to-date with the latest technological boiler.

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