Understanding Fridge Power Consumption: Watts, Cost & kWh

How can I calculate the cost of running my fridge?

How can I calculate the cost of running my fridge?


Domestic fridges are essential appliances in our daily lives, but have you ever wondered how much power they consume? In this article, we will delve into the world of fridge power consumption, discussing watts, cost, and kilowatt-hours (kWh). We will explore the factors that affect fridge power use, the significance of fridge star ratings, ways to cut power consumption, and the overall impact of refrigeration power usage.

What Affects Fridge Power Use:

The energy consumption of your fridge or freezer is influenced by various factors. These include the size and model of the appliance, temperature settings, how well-ventilated it is, and even the location where it is placed. To accurately determine your fridge’s power usage, you can use a plug-in power meter. By measuring the actual consumption, you can make changes to reduce energy consumption.

The Significance of Fridge Star Ratings:

Energy efficiency star ratings are useful indicators when purchasing a fridge. However, due to the variability of factors mentioned above, the best way to determine your fridge’s power consumption is by using a plug-in power meter. This device provides accurate measurements and helps you understand the real energy consumption of your fridge.

Fridge Wattage of Different Models:

By using a power meter, it was discovered that a small office fridge consumed between 90 and 100 watts when the compressor was running. This resulted in approximately 0.6 kWh used over a 24-hour period, adding up to around 221 kWh per year. Commercial refrigeration is more complex to measure, but it presents significant opportunities for energy savings. Some businesses spend a considerable portion of their electricity costs on refrigeration, making it an area worth addressing.

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Four Strategies to Reduce Fridge Power Consumption:

  1. Ensure proper ventilation for fridges, avoiding cramped spaces that increase power consumption.
  2. Consolidate the number of fridges in use. If you have an underutilized fridge, consider switching it off or emptying it to save energy.
  3. Use timer switches on drinks fridges and bar fridges, ensuring they are only turned on when needed.
  4. Regularly check and adjust temperature settings, as freezers are often set colder than necessary. Aim for 4˚C for the fridge and -15˚C for the freezer, which is both sufficient and safe for domestic refrigeration.

Is Refrigeration Power Usage a Concern?

Refrigeration accounts for around 10% of energy usage in most households and can be even higher in businesses like cafes, clubs, and restaurants. If you are looking to reduce your energy consumption, addressing refrigeration power usage is an excellent starting point. Additionally, consider installing a wireless energy monitor to track your overall power usage, upgrading to energy-efficient LED lighting, opting for more efficient heating and cooling systems, and utilizing energy-saving devices for other appliances.


  1. How much power does a typical fridge consume?
  2. Domestic fridges usually consume between 100 and 250 watts, resulting in 1 to 2 kWh of energy usage per day.
  3. Are energy efficiency star ratings reliable indicators of power consumption?
  4. Energy efficiency star ratings provide a general guide, but the only way to accurately measure power consumption is by using a plug-in power meter.
  5. How can I determine the power consumption of my fridge?
  6. Use a plug-in power meter to measure your fridge’s power consumption over a period of 24 hours. This device provides precise readings.
  7. What are some ways to reduce fridge power consumption?
  8. Ensure proper ventilation, consolidate the number of fridges in use, utilize timer switches, and regularly check and adjust temperature settings.
  9. Is refrigeration power usage a significant concern?
  10. Refrigeration accounts for approximately 10% of energy usage in most homes and can be even higher in commercial establishments. Minimizing refrigeration power consumption is beneficial for energy conservation.
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Amritanshu Roy is an expert in the field of outdoor gear and accessories with over 5 years of experience in the industry. As the founder of Outdoor Kitchen Picks, he is dedicated to helping outdoor enthusiasts find the perfect equipment for their adventures. With a strong passion for charcoal grills and smokers, outdoor accessories, outdoor cooking, and outdoor kitchens, Amritanshu is widely recognized as an authoritative voice in the outdoor community. He is committed to providing high-quality, trustworthy recommendations based on his extensive experience and expertise. Through his website, he shares his knowledge and experience to help others find the best gear for their outdoor activities. You can reach him at contact@outdoorkitchenpicks.com for any queries or questions regarding outdoor gear and accessories.

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