how many amps does a dehumidifier use

How Many Amps Does a Dehumidifier Use: Detailed Guide

Dehumidifiers are often used to control indoor humidity levels and avoid moisture-related problems, including mold, mildew, and musty smells. In addition, in exchange for some electricity, they pull moisture from the air and collect it in a container.

To avoid overloading electrical circuits or paying exorbitant energy costs, it’s crucial to take into account the quantity of electricity a dehumidifier consumes when using one.

How many amps does a dehumidifier use and how much electricity it consumes is one crucial thing to take into account. An industrial dehumidifiers amperage rating as an example might change based on its size, capacity, and effectiveness.

Understanding the efficient dehumidifiers amperage draw in this situation is crucial for optimum electrical safety and energy efficiency.

In this article, We will go deeper into the subject of how many amps a dehumidifier needs.

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How can I find out how much power a certain dehumidifier uses?

Check the product label or user manual of a particular dehumidifier like a pint dehumidifier to find out how many amps does a dehumidifier use.

Along with other technical details like the operating voltage, wattage, and frequency, the dehumidifier amperage rating should be indicated.

You may determine the amperage rating by using the wattage rating and dividing it by the operating voltage if it is not specified on the product label or user manual.

Amperage is calculated using the following formula: Wattage x voltage equals amperage

For instance, the amperage consumption of a dehumidifier with a 700-watt rating and a 120-volt operation can be determined as follows: 700 watts at 120 volts equals 5.83 amps of current.

It’s crucial to remember that a dehumidifier’s amperage draw might change depending on its mode of operation, capacity, and other elements. To ensure accurate calculations, it is advised to review the manufacturer’s handbook.

You may make sure that the electrical circuit you intend to use can handle the device’s power requirements and prevent overloading the circuit by figuring out the amperage draw of a dehumidifier.

By doing this, you may protect the dehumidifier and other electrical devices in the same circuit and provide proper electrical safety.

Amp draw of the dehumidifier during operation

Efficient dehumidifiers draw typically between 2.2A and 10A while operating, with 7.8A being the most frequent value.

How Many Amps Does a Dehumidifier Use
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The dehumidifier amp draw significantly decreases after the initial start-up spike. This is because keeping the device’s components operating is more energy-efficient than starting and starting them.

In the vast majority of circumstances, it is safe to operate the portable dehumidifiers on typical household appliances protected by a 10A/13A breaker.

To make sure this is true, though, read the dehumidifier running product descriptions and manuals before you buy.

In addition, it’s okay to keep the dehumidifier running all night long as long as it is used at too low a temperature.

The dehumidifier amperage only draws between 3.5 and 7.5 dehumidifier amps of electricity. Air conditioners, hair dryers, and water heaters all consume more electricity When they run.

A dehumidifier’s ability to draw amps tends to grow with size.

Dehumidifiers have a long operating life:

  • Dehumidifiers, like air conditioners, don’t function effectively or at all in low temperatures, so long as they don’t accumulate ice or aren’t used at too low a temperature.
  • Dehumidifiers won’t be able to remove enough moisture from the air to make much of a difference if they aren’t functioning properly, which includes those with coolant leaks, low refrigerant levels, and other issues.

As a result, they will continue to operate continuously without doing much good and will raise your energy costs because the compressor might never stop!

Tips for lowering the energy consumption of dehumidifiers

Here are some tips to reduce the dehumidifier amps consumption.

Use energy-saving technology

For the same amount of water removal, an energy-efficient dehumidifier consumes less electricity.

Products having an Energy Star label accreditation are frequently evaluated as being 13% more efficient than those without one.

Additionally, buying a new pint dehumidifier instead of an old one can save you money, particularly in the winter. In an older pint dehumidifier, ice may accumulate in the collecting container instead of dripping into it. The water can easily evaporate back, which is worse.

Use an automatic or smart dehumidifier

Many dehumidifiers have “Auto” capabilities that allow them to operate on a defined humidity level and turn on and off automatically. Some even have smart functions that switch on and off at set periods. Using these options can cut down on the amount of electricity used.

Regularly clean or replace the air filter

A filthy or clogged air filter can limit airflow, lower the dehumidifier’s energy efficiency, and increase energy consumption.

How Many Amps Does a Dehumidifier Use
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Use a humidistat or a timer

A dehumidifier use and have a humidistat or built-in timer that let you program the appliance to switch on and off based on a predetermined schedule or humidity level.

How Many Amps Does a Dehumidifier Use
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Correctly place the dehumidifier

Put the dehumidifier in a place where it can function effectively, such as close to a source of extra moisture or in the middle of the room.

Moreover, in comparison to many electric heaters, air conditioners, ovens, electric motors, and other appliances, dehumidifiers use just a minimal amount of energy — typically several hundred watts.

In addition, your dehumidifier might also use a significant amount of electricity for various reasons, which might result in excessive energy costs on your bill.

These are a few of them:

  • Using a dated or damaged dehumidifier.
  • Using an air conditioner and it simultaneously.

The dehumidifier draw in amps at startup

The dehumidifier can use up to five times as much electricity at startup as it does while running. This idea underlies the operation of many household products with electric motors. The same is true with dehumidifiers.

The dehumidifier requires a lot of electricity to start because of the compressors, coils, and fans that are within. After turning it on, the dehumidifier uses a lot less electricity to operate.

Standard programs are created to handle such increases in electricity demand. Typically, an automated switch that is activated by a 13 A spike in power protects domestic circuits. The switch won’t operate if the jump is marginally above 13A.

That is if you can generally operate your home dehumidifier securely using a typical household plug.

A particular installation will be needed for them if we’re talking about dehumidifier amps for the entire house or an industrial dehumidifier.

Read Also: How long does it take for a dehumidifier to work

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How many amps does dehumidifier draw?

A dehumidifier’s capacity, efficiency, and size can all affect how many amps the dehumidifiers draw. A smaller or medium-sized dehumidifier will often consume 2 to 4 amps, whereas a bigger one will likely need 10 amps or more.

The exact amperage rating of your particular dehumidifier type should be indicated on the product label or in the user manual, thus it is crucial to check the specs of that model.

To prevent overloading the circuit, you need also to make sure that the electrical circuit you intend to use to power the dehumidifier can support the device’s amperage consumption.

Does a dehumidifier need its own circuit?

Depending on the device’s amperage rating and the capacity of the electrical circuit it will be attached to, a dehumidifier may or may not need its own circuit.

Smaller dehumidifiers with lower amperage ratings (between 2 and 4 amps) can usually be connected without a problem to a standard 120-volt electrical outlet on a shared circuit with other home appliances.

To make sure that there is enough power available and to prevent overloading the circuit, larger dehumidifiers with a higher amperage rating (about 10 amps or more) could need a dedicated circuit.

If you’re confused about whether a dedicated circuit is required, it’s crucial to review the specifications of your dehumidifier type and speak with a certified electrician.

To assure safety and compliance with electrical rules and regulations, a certified electrician should be hired if you do decide to create a dedicated circuit for your energy-efficient dehumidifier.

Does dehumidifier use a lot of electricity?

The size, capacity, and energy-efficient dehumidifier are just a few of the variables that help in estimating dehumidifier energy consumed. In general, smaller versions of energy-efficient dehumidifiers with lower wattage ratings and capacities will use less power than larger models that have more wattage ratings and capacities.

The typical domestic dehumidifier amp draws roughly 700 watts of power, or 0.7 kilowatts per hour (kWh), according to the U.S. Department of Energy. Accordingly, the dehumidifier amp draw 7 kWh of electricity daily if it ran for 10 hours each day.

You may multiply the amount of kWh used by your power rate, which can vary based on your region and supplier, to get an approximation of the cost of using dehumidifier energy-efficient models.

For instance, the answer to how many amps does a dehumidifier use for 10 hours a day and its energy bill is, it would cost you roughly $1.05 per day or $31.50 per month if your power costs $0.15 per kWh.

Overall, standard household dehumidifiers use some electricity, but compared to many household appliances like the air conditioner, the electric heater, or the refrigerator, their energy consumption is typically regarded as low. To reduce energy use and costs, it’s still critical to pick an energy-efficient model and use it wisely.

How many watts does a 50-pint dehumidifier draw?

Below, you will see how many amps 50-pint dehumidifiers consume.

A 50-pint dehumidifier’s power consumption might change based on the brand and how cost-effective it is. A 50-pint dehumidifier, however, normally dehumidifier amp draw 500 to 700 watt of power as a general rule, and 4.7 if dehumidifier amperage.

You can look up a specific 50-pint dehumidifier model’s characteristics on the product label or in the user manual to get a more precise idea of how much power it uses. Watts (W) or kilowatts (kW) should be used to indicate power consumption.

It’s also crucial to keep in mind that a dehumidifier’s power usage might change depending on the energy-efficient models and how frequently the dehumidifier draws and the area it operates in. Energy-efficient dehumidifiers, for instance, may consume more energy if they are operating in extremely humid conditions or if they are left on for an extended period.

It is advised to use the most energy-efficient dehumidifiers and to only operate them when essential to maintain a comfortable and healthy humidity level.


The answer to how many amps does a dehumidifier use and how much electricity it uses is, depending on a dehumidifier’s size, capacity, and efficiency, the number of amps it consumes can change.

Larger models with greater capacities and wattage ratings typically use more amps than smaller versions with lower capacities and wattage ratings.

The actual amperage rating of your particular dehumidifier type should be indicated on the product label or in the user manual, thus it’s vital to check the specifications of that model.

In addition, we advise purchasing a dehumidifier with an automatic mode function if you want to utilize it as effectively as possible. In this instance, the dehumidifier will shut off once the humidity level you specified is reached and turn on once it is exceeded.

To prevent overloading the circuit, it’s also critical to make sure the electrical circuit you plan on using to power the dehumidifier can support the dehumidifier amperage pull.

Even though a dehumidifier draws some electricity, it typically has a low energy consumption when compared to other home equipment. It is advised to use the most energy-efficient dehumidifier model and to only operate it when necessary to maintain a pleasant and healthy interior humidity level to reduce energy consumption and expenditures.

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