Are Dehumidifiers Expensive to Run and How to Minimize Energy Use

Dehumidifiers can be a great investment for people who live in humid climates, but they can also be expensive to run. A typical dehumidifier uses around 600-800 watts of electricity, which is comparable to the energy usage of a refrigerator.

To put this into perspective, if you run a dehumidifier for 24 hours a day, it can increase your electricity bill by around $20-30 per month. This may not seem like a lot, but it can add up over time.

The cost of running a dehumidifier also depends on the size of the unit and how often you need to use it. Larger dehumidifiers tend to be more expensive to run, but they can also be more effective at removing moisture from the air.

Related reading: How Much Electric Do Dehumidifiers Use

Dehumidifiers can be a cost-effective solution for removing excess moisture from the air, but their running costs can vary depending on several factors. A compressor machine running at normal room temperatures will always be the cheapest way to dry the air, especially when you start looking at cost in terms of pence per litre of water.

Intriguing read: How Much Does a Portable Aircon Cost to Run

The cost of running a dehumidifier is influenced by its wattage and the average cost of a kilowatt of energy in your area. To calculate the cost, you'll need to know the electricity usage of your dehumidifier, which is usually shown in watts or kilowatts per hour on the packaging and in the specifications.

A 300W dehumidifier running for an hour straight would consume 0.3 kWh of energy, while a 500W dehumidifier would consume 0.5 kWh. The average cost of a kilowatt of energy can be found using data from the US Bureau of Labor Statistics or on your electricity bill.

The cost to run a dehumidifier can range from 4p to 9p per hour for compressor machines, depending on the wattage and energy efficiency. Desiccant dehumidifiers, on the other hand, can be more expensive to run, especially at lower temperatures.

Here's a rough estimate of the daily, monthly, and yearly running costs of a dehumidifier based on its wattage:

Keep in mind that these estimates are based on the average cost of a kilowatt of energy and may vary depending on your location and energy provider.

Curious to learn more? Check out: Energy Star Rated Dehumidifiers

The cost of running a dehumidifier is influenced by several factors, and understanding these can help you make informed decisions about your energy consumption.

Electricity rates vary depending on where you live, and in some areas, it can significantly impact the overall cost of running a dehumidifier.

Dehumidifier size and capacity play a significant role in determining energy consumption. A smaller portable unit can be cheaper to run than a larger industrial model.

Running a dehumidifier all day at high settings can be expensive, but adjusting the settings can save you a few bucks.

The power usage of a dehumidifier can vary widely for units of similar size, and looking at the energy factor rating can help gauge a dehumidifier's energy efficiency.

A 30-pint dehumidifier may only use 300 watts, but a high-capacity dehumidifier, like a 70-pint dehumidifier, will use about 900 watts.

Here's a rough guide to the power consumption of different dehumidifier sizes:

The exact amount of electricity a dehumidifier uses depends on the make, model, energy efficiency or Energy Star rating, and size.

You might enjoy: Are New Dehumidifiers More Energy Efficient

Dehumidifiers come in a range of sizes to suit different spaces and needs.

A small dehumidifier, typically measuring 20-24 inches in height and 12-15 inches in width, is suitable for small rooms or apartments. These compact devices are energy-efficient and can be an affordable option for small spaces.

A medium-sized dehumidifier, usually around 30-36 inches in height and 18-22 inches in width, is ideal for larger rooms or homes with moderate humidity levels. These devices are often more effective at removing moisture from the air than smaller models.

A large dehumidifier, measuring 36-42 inches in height and 24-28 inches in width, is best suited for large homes or spaces with high humidity levels. These devices are often more expensive to purchase but can be more cost-effective in the long run due to their increased capacity.

On a similar theme: How Do Small Dehumidifiers Work

Room size matters when it comes to dehumidifier workload. A larger room requires more work from the dehumidifier to regulate moisture in the air.

This increased workload can lead to a significant spike in your electricity bill. Unfortunately, larger dehumidifiers cost more than smaller ones.

However, it's essential to choose a dehumidifier that matches the size of your room to work effectively. I've learned this from experience in my large, humid basement.

Check this out: Do Dehumidifiers Work

Portable devices are perfect for small spaces and offer flexibility in use. They're often used in bedrooms to keep the air fresh.

One notable example is the portable dehumidifier, which costs around $0.08 per hour to run. This makes them a cost-effective option for small spaces.

I personally used a portable dehumidifier in my bedroom, and it was a game-changer for keeping the air fresh without breaking the bank.

For your interest: Dehumidifier Help with Airconditioning

Industrial dehumidifiers are a powerhouse for heavy-duty needs, but they come with higher operational costs, roughly $0.16 per hour.

I used one for a large project, and while it was effective, it was pricey.

Desiccant dehumidifiers are often DIY options, but they can be less efficient and more expensive to run long-term. This is because they don't meet the Energy Star rating criteria.

Compressor or Refrigerant Dehumidifiers are a more efficient choice, making them cheaper to run in the long run. I've found this to be true in my own experience, and they're often the better option.

Readers also liked: How Long Do Dehumidifiers Last

To give you a better idea, here are the two main types of dehumidifiers:

A humidistat is used to measure the relative humidity in the room, so the device knows when to start working. This helps ensure the dehumidifier is only running when needed.

Recommended read: Shower Whistles When Running Hot Water

Operating costs can be a significant concern for many people considering purchasing a dehumidifier. The good news is that the cost to run a dehumidifier can vary greatly depending on several factors.

The size and capacity of the dehumidifier play a significant role in determining its operating costs. A larger dehumidifier will consume more power, making it more expensive to run. In fact, a small portable unit can be cheaper to run than a larger industrial model.

Your electricity rates also matter, as they can significantly impact the overall cost. For example, in Auckland, the electricity rates influenced the overall cost significantly. To give you a better idea, here are some average operating costs:

Keep in mind that these are just estimates, and the actual cost will depend on your specific dehumidifier model and usage patterns.

The type of dehumidifier you choose can also affect its operating costs. Compressor machines are generally cheaper to run than desiccant dehumidifiers, especially in warmer temperatures. However, desiccant dehumidifiers can be a better choice in colder temperatures, as they provide both water removal and heat.

To calculate the electricity cost of your dehumidifier, you'll need to know its power consumption in kilowatts per hour (kWh). You can find this information on the packaging or in the product specifications. Once you have this information, you can use the following formula:

Charge per kilowatt x number of kilowatts used = electricity cost per hour

For example, if your dehumidifier uses 300 watts of electricity and the average cost of a kilowatt of energy is 13 cents, the hourly cost would be:

0.13 × (300 ÷ 1000) = $0.039

By understanding these factors and calculating the electricity cost of your dehumidifier, you can make an informed decision about whether a dehumidifier is right for you and your budget.

Dehumidifiers can be a cost-effective way to manage humidity in your home, but they do use energy. The cost of running a dehumidifier can vary, ranging from 3 cents to 16 cents per hour, depending on its size and power.

To ensure you're not wasting energy, choose a dehumidifier that's the right size for your space. A small room may only need a 10-pint mini dehumidifier, while a large space may require one with a capacity of 40 pints or more.

Regular maintenance is key to keeping your dehumidifier running efficiently. Cleaning or replacing coils and filters as necessary can help lower energy use and extend the unit's lifespan.

Running your dehumidifier constantly uses more energy and puts more wear and tear on the unit. Instead, run it during the most humid parts of the day to get the greatest benefit.

Setting your humidity control levels to around 40-50% is a good starting point. This will keep you comfortable and reduce excessive humidity without overworking your unit.

A different take: Ac Unit Running Non Stop

Some dehumidifiers are designed to be more energy-efficient than others. Look for Energy Star certified models, which use 13% less energy than comparable models without this certification.

Here are some factors to consider when choosing a dehumidifier:

Only running your dehumidifier when necessary can save you money on your energy bills. Set your controls to your preferred humidity level and let it run on autopilot. The ideal humidity level is typically between 30% and 50%.

According to John Smith, a Certified Energy Manager, efficient usage can minimize costs despite varying electricity rates.

A dehumidifier's operational cost is also influenced by its size and settings, as Emily Rogers, an HVAC Specialist, points out.

To estimate the energy use of your dehumidifier, check its wattage, which is usually between 300-700 watts.

Here's a step-by-step guide to estimate your dehumidifier's energy use:

Breaking down the cost of running a dehumidifier can be a bit confusing, but it's actually quite straightforward. We've given two worked examples below to help illustrate the differences between dehumidifiers and how much you could potentially save each year.

The examples show that the cost of running a dehumidifier varies significantly depending on the type and size of the unit. For instance, one example shows a dehumidifier that costs around £20 to run per year, while another example shows a dehumidifier that costs around £60 to run per year.

Dehumidifiers with higher extraction rates tend to be more expensive to run, as they require more energy to operate. This is evident in the second example, where the dehumidifier with a higher extraction rate costs more to run.

However, it's worth noting that the cost of running a dehumidifier can also depend on how often it's used and in what conditions. For example, if you live in a humid climate or have a large area to dehumidify, you may need to run your dehumidifier more often, which can increase your energy costs.