At what temperature should you not run a dehumidifier?

Most dehumidifiers should not be operated in temperatures below 60° F, since the moisture removed from the indoor air can freeze when it condenses on the cooling coils, which can damage the unit.
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What temperature is too hot for a dehumidifier?

The refrigerant removes moisture from the air by condensing it on coils, working ideally between 70 and 90 degrees F.
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Can you use a dehumidifier in cold weather?

Be careful if you live in cold weather climates. Since the purpose of a dehumidifier is to attract moisture, the coils could freeze if the weather gets too cold. However, in rooms that are above 60 degrees Fahrenheit, such as a heated basement, then a dehumidifier would work just fine.
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Does a dehumidifier work in a cold garage?

Desiccant dehumidifiers can work effectively in much colder temperatures, even below freezing. These units are great for managing humidity levels in colder, unheated spaces. If your garage has heating, a compressor unit offers a great solution. If your garage is unheated, a desiccant model offers the best option.
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What should I set my dehumidifier in my basement in the winter?

Basement Humidity in the Winter

During the winter months, you'll want to keep your in-home humidity levels around 25 – 40 percent when outdoor temps range from 20° F to 0° F, with the lower percentages reserved for the colder temps.
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Why You Need to Keep Moisture Low this Winter



Do dehumidifiers use a lot of electricity?

The EPA calculates that dehumidifiers account for less than 1% of your annual electricity usage. But how much electricity your humidifier actually consumes per hour depends on the size and type of your humidifier. Some dehumidifiers are more efficient than others.
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Is 70 humidity in basement too high?

A relative humidity level of 70 percent or higher creates the perfect breeding ground for mold growth. Leaving basement mold unchecked could amount to unhealthy indoor air, causing sickness to your family and aggravated upper respiratory issues. Also, home-destroying mold could also cause costly foundation damage.
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Where should you not use a dehumidifier?

You want to place your machine in an area where there is good air circulation so the unit can efficiently work. We do not recommend placing a dehumidifier directly against a wall or piece of furniture. Instead, put it at least six inches away from these vent-blocking surfaces.
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Should doors be closed when using a dehumidifier?

While your dehumidifier's on, keep your doors ajar. Dehumidifiers can't attract the moist air with the doors closed! Opening your doors slightly allows sufficient airflow so your dehumidifier can do its job. Easterly-facing walls get less sunlight, so they suffer most from condensation.
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Can dehumidifiers make damp worse?

To put it simply the answer is no, however, if you are looking to reduce high humidity and the chance of condensation occurring then dehumidifiers can be a good solution. To get to the bottom of the problem it is important to understand why there are humidity levels in the first place.
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How long does a dehumidifier take to dry a room?

As long as the dehumidifier you choose is large enough for the area it is working in, and there are no specific damp problems, then a dehumidifier will normally reduce the humidity to the chosen level within a few days to a week.
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Is it OK to leave dehumidifier on overnight?

Can I leave the dehumidifier running at night? Yes, we recommend using a dehumidifier 24hrs, however, be aware that there will always be a noise generated from the machine when it is operating.
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Does a dehumidifier make a room hotter or colder?

Yes, dehumidifiers naturally create a small amount of heat as they operate. But most customers don't notice it for a few reasons: (1) it's a very slight increase and (2) since dehumidifiers remove moisture from rooms, they naturally make rooms feel cooler and more comfortable.
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Do dehumidifiers work in hot weather?

Using a dehumidifier in summer

To help keep your home environment as comfortable as possible throughout summer, running a dehumidifier is an ideal option to reduce the level of moisture in the air.
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Do dehumidifiers work in the heat?

During the summer months, many homeowners rely on their air conditioning (AC) system to cool down the home and remove the humidity from the air. While for many homes, the AC will be sufficient, for those in hot and humid climates, a dehumidifier can help carry some of the workload.
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What should your basement dehumidifier be set at?

Here's how to get the most from your dehumidifier. Set the humidity level. The optimal relative humidity level is between 30 and 50 percent, according to Energy Star (and 30 to 40 percent in colder areas during heating season).
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Where is the best place to put dehumidifier?

The best place to put a dehumidifier is in the location closest to the source of the moisture. In multi-level homes, this means that dehumidifiers should most often be placed in basements or upstairs close to the stairs to your basement. This is because the basement is the most humid place in your home.
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Should you run a dehumidifier in the basement all the time?

May said that, as a guide, it's best to use a dehumidifier when your basement feels humid or when you've spotted some of the signs outlined above. Running a dehumidifier for around 12 hours a day will enable you to manage indoor moisture while ensuring your energy costs aren't too high.
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How much water can a dehumidifier remove in a day?

Attention should be given to the placement of your unit. It should be positioned in proximity to a sump pump or drain and the hose should be placed outside of walkways to avoid a tripping hazard. Most dehumidifiers will remove between 30 and 70 pints of water per day.
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Will dehumidifier dry out damp walls?

Dehumidifiers work by removing moisture from the air. This can help to reduce condensation on walls and prevent mould and mildew growth. However, dehumidifiers will not necessarily dry out damp walls. If your walls are damp, you may need to use a combination of a dehumidifier and a fan to help dry them out.
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Can you dehumidify too much?

Can you dehumidify too much? There is a chance of dehumidifying your home too much with a dehumidifier, especially if you are leaving your dehumidifier running for several hours on a timer unattended. Over-dehumidifying your home can lead to an increased chance of respiratory illnesses and dry and cracked skin.
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Why you shouldn't use a dehumidifier?

Cons of Dehumidifiers

Moisture in the unit may cause mold growth if you don't clean and dry it regularly. You can use bleach to kill any mold and bacteria that collect in the unit as it's running. If you don't clean the unit, it may cycle mold spores back out into the air of your home.
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When should I turn off my basement dehumidifier?

When the temperature in the space where you run your dehumidifier starts getting down around 65° F, it's time to think of unplugging your unit and stowing it away for the winter. The lifetime of dehumidifiers usually ranges from five to 10 years.
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Why is my dehumidifier not lowering the humidity?

Check to make sure that all windows and doors are closed. Make sure the unit has proper air flow and that no curtains, blinds, or furniture is blocking the front or back of the dehumidifier. If used in a laundry area, install the dehumidifier away from the moisture laden air generated by the dryer.
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Is 60% humidity too high for a basement?

Is 60 Percent Humidity Too High for a Basement? Yes, 60% humidity is too high for basements. Generally, a safe humidity level is between 30-50%, but that can vary a bit depending on where you live and the conditions of your environment.
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