Swamp Cooler Efficiency Calculator

Are you tired of your swamp cooler consuming too much energy without providing the desired cooling effect? The solution to your problem could be as simple as using our Swamp Cooler Efficiency Calculator! Our calculator is designed to help you determine the energy efficiency of your swamp cooler and provide recommendations on how to improve its efficiency. With just a few clicks, you can input your cooler's data and receive an accurate report on the effectiveness of your swamp cooler. Our calculator is user-friendly and suitable for both residential and commercial use. It is an excellent tool for anyone looking to save on energy bills and reduce their carbon footprint. Give it a try today and experience the benefits of an energy-efficient swamp cooler!

Swamp Cooler Efficiency Calculator

Calculate the efficiency of your swamp cooler.

Swamp Cooler Efficiency Calculator Results
Airflow (in cubic feet per minute):0
Wet Bulb Temperature (in 0F):0
Dry Bulb Temperature (in 0F):0
Evaporative Cooling Effectiveness (in decimal):0
Fan Power (in watts):0
Swamp Cooler Efficiency:0

How to Use the Swamp Cooler Efficiency Calculator

The Swamp Cooler Efficiency Calculator measures the efficiency of a swamp cooler by considering factors such as airflow, wet bulb temperature, dry bulb temperature, evaporative cooling effectiveness, and fan power. The efficiency calculation helps users evaluate the cooling performance of their swamp cooler and optimize its operation. This information is crucial for improving energy efficiency, comfort, and cost-effectiveness in areas with dry climates.

Primary Applications

The Swamp Cooler Efficiency Calculator serves several important purposes:

  • Energy Efficiency Analysis: By calculating the efficiency of a swamp cooler, users can determine the energy consumption of their cooling system and identify opportunities for energy savings.
  • Cooling Performance Evaluation: The calculator allows users to assess the effectiveness of their swamp cooler in reducing the ambient temperature and maintaining comfort in indoor or outdoor spaces.
  • System Optimization: With knowledge of the swamp cooler's efficiency, users can make adjustments to enhance performance, such as optimizing airflow, adjusting the cooling effectiveness, or upgrading the fan power for better energy utilization.

Instructions for Utilizing the Calculator

To effectively utilize the Swamp Cooler Efficiency Calculator, follow these steps:

Input Fields

  1. Airflow (in cubic feet per minute): Enter the airflow rate produced by the swamp cooler. This represents the volume of air circulated by the cooler in a minute.
  2. Wet Bulb Temperature (in °F): Provide the wet bulb temperature, which indicates the lowest temperature that can be reached through evaporative cooling.
  3. Dry Bulb Temperature (in °F): Enter the dry bulb temperature, which represents the actual air temperature.
  4. Evaporative Cooling Effectiveness (in decimal): Input the effectiveness of the swamp cooler in reducing the air temperature through evaporation. This value ranges from 0 to 1, where 1 indicates perfect effectiveness.
  5. Fan Power (in watts): Specify the power consumption of the swamp cooler's fan.

Output Fields

The Swamp Cooler Efficiency Calculator provides the following output fields:

  1. Airflow (in cubic feet per minute): Displays the airflow value you entered.
  2. Wet Bulb Temperature (in °F): Displays the wet bulb temperature value you entered.
  3. Dry Bulb Temperature (in °F): Displays the dry bulb temperature value you entered.
  4. Evaporative Cooling Effectiveness (in decimal): Displays the evaporative cooling effectiveness value you entered.
  5. Fan Power (in watts): Displays the fan power value you entered.
  6. Swamp Cooler Efficiency: This field shows the calculated efficiency of the swamp cooler based on the provided inputs.

Swamp Cooler Efficiency Formula

The swamp cooler efficiency is calculated using the following formula:

Swamp Cooler Efficiency = ((1.1 x Airflow x (Wet Bulb Temperature - Dry Bulb Temperature) x Evaporative Cooling Effectiveness - Fan Power) / (1000 x Fan Power)) x 100


  • Airflow represents the rate of air circulation in cubic feet per minute.
  • Wet Bulb Temperature is the lowest temperature achievable through evaporative cooling.
  • Dry Bulb Temperature is the actual air temperature.
  • Evaporative Cooling Effectiveness indicates the effectiveness of the swamp cooler in reducing the air temperature through evaporation.
  • Fan Power represents the power consumption of the swamp cooler's fan.

The formula combines these elements to determine the efficiency of the swamp cooler.

Illustrative Example

Let's consider an example to understand how the Swamp Cooler Efficiency Calculator works. Assume the following input values:

  • Airflow: 500 cubic feet per minute
  • Wet Bulb Temperature: 75°F
  • Dry Bulb Temperature: 90°F
  • Evaporative Cooling Effectiveness: 0.85
  • Fan Power: 100 watts

By plugging these values into the calculator, we can calculate the swamp cooler efficiency as follows:

Swamp Cooler Efficiency = ((1.1 x 500 x (75 - 90) x 0.85 - 100) / (1000 x 100)) x 100

After performing the calculations, we find that the swamp cooler efficiency is approximately 46.25%.

Illustrative Table Example

The table below demonstrates multiple rows of example data:

Airflow (in cubic feet per minute)

Wet Bulb Temperature (in °F)

Dry Bulb Temperature (in °F)

Evaporative Cooling Effectiveness (in decimal)

Fan Power (in watts)

Swamp Cooler Efficiency


The Swamp Cooler Efficiency Calculator is a valuable tool for assessing the efficiency of swamp coolers. By utilizing this calculator effectively, users can evaluate the performance of their cooling system, optimize energy consumption, and improve cooling effectiveness. Calculate the efficiency of your swamp cooler today to enhance comfort, reduce energy costs, and make informed decisions for a more sustainable and efficient cooling solution.

About the Author

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Shuvo Shaha
Python Developer

Shuvo Shaha is a skilled Python developer with expertise in developing efficient and user-friendly web applications. He is passionate about writing clean and maintainable code and is always exploring new technologies to improve his skills. With a strong background in computer science, Shuvo has experience working with a variety of frameworks and libraries, including Django and Flask. He is a collaborative team player who is dedicated to delivering high-quality work on time and on budget.