Let’s consider a light bulb that is rated at 50 Watts. This is because energy consumption is measured/calculated by multiplying the power usage of an appliance, by its usage time:Įnergy Consumption (Wh) = Power Usage (W) x Usage Time (hours) Since air conditioners don’t really run 100% of the time when they’re on, estimating their energy consumption can be a little confusing. The following table provides estimates of the energy consumption of 5000 BTU air conditioners based on their run time: Run time Energy consumption in Watt-hours (Wh) 1 hour 350 Wh – 450 Wh 2 hours 550 Wh – 700 Wh 3 hours 800 Wh – 1000 Wh 4 hours 1050 Wh – 1250 Wh 6 hours 1600 Wh – 1900 Wh 8 hours 2200 Wh – 2600 Wh 10 hour 2700 Wh – 3200 Wh 12 hour 3200 Wh – 3800 Wh 16 hour 4400 Wh – 5000 Wh Energy consumption of a 5000 BTU air conditioner The energy consumption of a 5000 BTU AC depends on many factors, such as the outdoor temperature, the age of the unit, insulation, etc… However, on average, these units consume 300 to 400 Watt-hours of energy per hour. While power is measured in Watts, electrical energy is measured in Watt-hours (Wh) or kiloWatt-hours (kWh), with 1 kWh equal to 1000 Wh. How much energy does a 5000 BTU air conditioner use? However, these devices are even more useful when it comes to measuring energy consumption (in Watt-hours), which brings us to the next section. In the video, you can see the power usage of the unit in Watts. Here’s a video of a 5000 BTU unit plugged into a Kill-A-Watt meter: The device will display the exact power usage of your unit. You can use one of these devices by plugging it into the wall socket (or inverter) and plugging your air conditioner into it. If none of these labels is provided, and you can’t find information about your unit on the web, you can use an electricity monitoring device such as the Kill-A-Watt or the Poniie meters. Power Rating (Watts) = Capacity (BTU) ÷ CEER (or EER) You can then calculate the rated wattage of your 5k unit by dividing its capacity by the provided CEER (or EER) rating: In the label, you’ll find an Energy Efficiency Ratio (EER), or a Combined Energy Efficiency Ratio (CEER) for new units. Once you find the Amps and Volts of your unit, you can calculate the power rating of your unit by using this formula:Įven if you don’t yet own the unit, these pieces of information are usually provided by the manufacturer or the retailer.Īnother way to estimate the power usage of these units is to use the EnergyGuide (yellow) label that comes with the AC. Usually, these units are rated at around 4 Amps. Look for the voltage rating in Volts (V)Īt 115 Volts, the Amperage of a 5000 BTU unit should be between 3.5 and 5.5 Amps. The amperage: this rating is measured in Amps (A) and is usually labeled as Amps, Current, Rated Amps, Rated Current, Current Input, etc….If the wattage is not specified, look for: This rating can be labeled as Watts, Rated Input, Power Input, Rated Power, etc… In the specification label, look for the wattage rating specified in Watts (W). The easiest way is to look at the technical specification label, which is usually stuck somewhere on the unit. There are many ways to determine the specific wattage of these units. However, some units that have a high EER (or CEER) rating of 12 or more, will use around 400 Watts of power. At 115 Volts, these units draw around 4 amps of current (around 40 amps at 12 Volts). On average, a 5000 BTU air conditioner uses 450 to 500 Watts of power when it’s running. In addition to that, I’ll later show you how to estimate and measure the energy consumption of these units. In this article, I’ll discuss the power requirements of these units, and I’ll show you a couple of ways to determine the wattage of your unit. The precise wattage of a 5000 BTU air conditioner depends on the Energy Efficiency Ratio (EER) of the unit itself, which means different units will have different power requirements.
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