# Extractor Fan Energy Calculator (Cost and kWh Usage)

## Introduction

Extractor fans are a common household appliance found in many kitchens and bathrooms. These fans are designed to extract stale air and moisture from a room, which can help to prevent mold growth and improve air quality. However, the use of these fans comes at a cost. In this article, we will explore the energy consumption and cost of running an extractor fan, as well as provide some tips on how to save money while using this appliance.

## How To Use This Calculator

Using this energy calculator is a simple and will help you determine the costs of running your appliance. Click on ‘Calculate’ to use the predefined values, or enter your daily usage in hours, appliance watts, and your current energy costs in dollars. The calculator will provide you with the daily, monthly, and yearly results. It’s important to ensure the accuracy of the information entered to get the most accurate results.

### Hours Used Per Day

Enter the number of hours you estimate the appliance will be on throughout the day. To use fractions of an hour please use a decimal point in the form.

For example: 1 hour and 30 mintes would be 1.5, and 3 hours and 15 minutes would be 3.25

### Power Used in Watts

The calculator already includes a default average wattage. If your appliance uses a different wattage then enter it in the calculator.

### Your Energy Rate in kWh

The calculator includes an average energy rate (price in \$/kWh) to use for the calculation. This may not be the exact price that you’re currently paying for electricity. If you know your energy rate please enter your price per kilowatt-hour.

## Energy Consumption

Extractor fans come in a variety of sizes and models, but on average, they use around 12 watts of electricity per hour. This may not seem like much, but over time, the energy usage can add up. To put this into perspective, if you were to run your extractor fan for an hour every day for a year, it would use around 4.38 kilowatt-hours (kWh) of electricity, which would cost around \$0.53 per year (based on the default energy price of \$0.12/kWh).

## Importance and Relevance

The energy consumption of household appliances is an important topic, especially in today’s world where we are constantly striving to be more eco-friendly and reduce our carbon footprint. Understanding the energy consumption of extractor fans can help individuals make informed decisions about their energy usage, and can also help to promote sustainable living practices.

## Cost in Dollars of Energy Usage

To calculate the cost of running an extractor fan, you can use the following formula:

`Cost = (Power in watts x Hours of use x Days of use x Energy price) / 1000`

Using the default energy price and a 12-watt extractor fan that is run for one hour per day, the cost would be approximately:

• Daily cost: \$0.001
• Monthly cost: \$0.04
• Yearly cost: \$0.53

It’s important to note that the cost will vary based on the wattage of the fan, how long it is used for, and the cost of energy in your area.

## Money Saving Tips

1. Use the fan only when necessary: Instead of leaving the fan on all the time, only use it when you need it. For example, turn it on when showering or cooking, and then turn it off once you’re finished.

2. Clean the fan regularly: A dirty fan can use more energy than a clean one, so be sure to clean the fan blades and housing regularly to keep it working efficiently.

3. Upgrade to an energy-efficient model: If you have an older model of extractor fan, upgrading to a newer, more energy-efficient model can help to reduce your energy usage and save you money in the long run.

4. Use a timer switch: Installing a timer switch can help to ensure that the fan is only on for as long as it needs to be, which can help to reduce energy usage.

By implementing these money-saving tips, you can reduce your energy consumption and save money on your energy bills.

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