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Humidifier Vs Dehumidifier: Complete Guide

Last Updated: 10 June 2022

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Editor-in-Chief of the Handy Home Master

You surely must have already heard that it’s strongly advised to ventilate your home or office for around twenty minutes a day to improve the quality of the surrounding air. The next questions on users’ lips have always been: should I go for a humidifier or a dehumidifier? Do humidifiers help with a cough?

The long and short of it’s that it depends on your situation. Both are effective in helping to regulate the humidity level in your atmosphere. But the question of which to go for depends largely on factors such as weather condition, the season, amongst others.

What does humidity level even mean? Humidity-level refers to the concentration of water vapor—an invisible gaseous state of water in the air. Health-wise, it’s recommended to keep the humidity level in your space within the range of 35-45%. A hygrometer should help you with that.

Let’s take a brief look at a humidifier and a dehumidifier:

A Humidifier is a device used in building interiors that are too dry in cold weather due to the use of heating or in summer in strong heat. The device is designed to humidify the air and make it healthier, by spraying water vapor. It’s especially helpful in preventing drying up of skins, lip cracking, eye irritation, managing allergies, and some other respiratory problems often associated with dry air.

A dehumidifier, on the other hand, helps to extract moisture from the air. It reduces and maintains an optimal level of moisture in the atmosphere. It eliminates musty odor and makes the growth of mildew in homes impossible.

Available in different shapes and sizes, these devices fit very easily into interiors to provide on-demand atmosphere management at home or offices.

Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier - Premium Unit Lasts Up to 25 Hours with Whisper-Quiet Operation, Automatic Shut-Off, Night Light Function, and BPA-Free
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Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier - Premium Unit Lasts Up to 25 Hours with Whisper-Quiet Operation, Automatic Shut-Off, Night Light Function, and BPA-Free
  • INSTANT DRY AIR RELIEF: Ultrasonic cool mist technology safely and quickly moisturizes dry air for up to 25 hours of continuous operation so you can breathe easy and get more restful sleep
  • YEAR-ROUND COMFORT: High and low-speed settings combined with a 360° mist nozzle help you consistently balance and regulate the humidity in your home all year long for relief from cold-like symptoms and sinus issues
  • LARGE EASY-FILL TANK: 1.5 liter water tank provides ideal coverage for bedrooms, offices, nurseries, and other medium-sized rooms
  • NIGHT LIGHT & AUTO SHUT-Off: An optional night light offers a soothing glow, while the automatic shut-off feature turns the humidifier off when water level is low or the water tank is removed
  • WHAT YOU GET: Humidifier, AC power adapter, disk cleaning brush, user manual, and Pure Enrichment’s guaranteed 5-Year Warranty. Our customer support team provides daily quality service and peace of mind to millions worldwide all from a brand you can trust.

Humidifier or dehumidifier for allergies

Humidifier or dehumidifier for allergies

Suffering from regular allergies can be quite challenging because of the numerous caution that must be adhered to in order not to trigger the allergy(ies). If you’ve got an allergy, then you must already know that one of the common triggers of allergies, is the humidity level of the environment.

Whenever the humidity level is below the recommended level, a humidifier is needed to forestall the triggering of allergies, especially for people who suffer respiratory-related allergies. But if the humidity level is above the range, you can bet that dehumidifiers are good for allergies, particularly in tempering them down. Wondering which to use when you suffer cough-related allergies? A humidifier is for cough.

With a humidifier, you can effectively control the allergens in the air such as pollen, dust or certain other “floating objects” likely to be found floating freely. When the humidifier is running, dust particles, pollen or other very light allergens are soaked in moisture. They thus get heavier and naturally start to fall to the ground instead of floating around in the atmosphere. Automatically, the chances of inhaling them become considerably lower. So, if you’ve been wondering whether to purchase a humidifier or dehumidifier for asthma, a humidifier sounds best.

So, does a dehumidifier help with allergies, more than a humidifier? You can bet it does.

Shinco 1,500 Sq.Ft Energy Star Dehumidifier, Ideal for Medium Living Room, Basements, Bedrooms, Bathrooms, Auto or Manual Continuous Drain, Quietly Remove Moisture & Control Humidity
  • 【POWERFUL DEHUMIDIFIER】- ENERGY STAR certified dehumidifier removes 30 Pints per day (Please note: under 86°F, 90%RH condition,the max dehumidification capacity up to 60 pints) of water a day and adjust humidity from 80% to 30%, Perfect for use in Home, Basement, Cellar, Garage, Bedroom, Bathroom.
  • 【QUIET AND ENERGY-SAVING】- This Energy Star certified dehumidifier is fit to quickly and effectively absorb moisture with minimal energy consumption in medium to large rooms, without racking up your energy bill. Energy Star appliances are not just better for the environment, they also cost 30% less to operate compared to non-Energy Star appliances.48 dB peak sound so that you hardly notice it's there. In general, 50 decibels is probably just as loud as normal conversation.
  • 【EASY TO USE】- Adjust to the ideal dehumidification setting, then let it run its continuous 24-hour cycle until the tank is full, it will automatically shut-off (Water Tank Capacity 4L) . If you don't have time, you can choose continuous drainage mode. You can use the gravity drain hose connection to empty water into your sump pump or floor drain, eliminating the need to empty the collected water by hand every few hours.(Length of hose: 1.96ft)
  • 【GREAT CONVENIENCE】- Quickly dry clothes with one button. If experience a power outage due to a storm, you do not want to have to go around resetting all of your appliances and electronic devices. Shinco dehumidifiers will revert back to their previous set. The LED screen visually shows current room humidity levels and your desired target humidity. You can change the fan speed, set a 2/4 hour sleep timer, auto defrost in low temperature environment. Easy to move, removable water reservoir.
  • 【Perfect After Service】- All of Shinco Dehumidifiers are covered with 30-Days Money Back, 1 Year Warranty and lifetime expert tech support. If you have any problems, please CONTACT our team to get help.we will reply to you within 24 hours and help you solve the problems.

Humidifier or Dehumidifier for cold

Humidifier or Dehumidifier for cold

During cold weather, the atmosphere is moisturized. Excessive moisture can typically lead to difficulty in breathing and give rise to the thriving of some organisms such as mites. To keep the moisture level in check, a dehumidifier is useful at this time. A dehumidifier for winter, which typically captures water from the air and warms the same, appears to be the reasonable choice in such a cold period.

Dehumidifier vs. humidifier for summer

Wondering when to use a humidifier, summer is perhaps the best time.

Winter is accompanied by hot and dry air. Inhaling of dry air is a potential health hazard that can cause respiratory ailments such as asthma, bronchitis, sinusitis, and nosebleeds, or general dehydration since body fluids are depleted during respiration.

Shortness in the body’s moisture content can also cause skin irritations, cracking and eye itching. Low air humidity, especially below 30%, also facilitates the easy spread of airborne viruses and bacteria.

To keep dry air out and bring succor to dried-out lungs, nose, lips and respiratory tracts, a humidifier is better used in this case. Air humidifiers typically raise the humidity level in confined spaces by spraying water.

Humidifier or Dehumidifier for mold

Humidifier or Dehumidifier for mold

Excessive humidity in the air, greater than 50%, promotes the appearance of mold and the proliferation of mites. That’s because molds love damp areas. Whereas, the presence of molds can irritate eyes, skin, nose, throat, lungs and other varieties of health effects

That’s why a dehumidifier that draws in air and cools it, is recommended over a humidifier in this situation. Although a dehumidifier for crawl space won’t kill the molds in your space, it will prevent their growth by helping to dehydrate your homes.

Does a dehumidifier help with mold allergies? You can bet it does, far and above a humidifier.

Do I need a Humidifier or Dehumidifier?

Do I need a Humidifier or Dehumidifier

Right after knowing about the two devices, it appears the next bee in your bonnet is the choice that best captures your needs. It’s worth mentioning that these two devices assist a great deal in providing comfort to humans, just as they also help in reducing health complications. However, they each work best in different conditions as explained above.

Deciding on which humidity device to get out of the duo of a humidifier or dehumidifier, should not, therefore, create confusion. The humidifier would not work as a dehumidifier, nor would dehumidifier work as a humidifier. They each perform distinct functions.

Thus, in deciding, what size of dehumidifier do I need? You may first need to measure the moisture content in the atmosphere of the confined space that you’d like to use the device in. A hygrometer should help you with that.

If it falls below the recommended range of 35 – 45%, a humidifier is needed. But if it’s above the range, what you rather need is a dehumidifier.

It’s important to note that the presence of high humidity in the air can destroy floors, walls and your surroundings, just as it can potentially cause damage to your health. More so, a low level of moisture can also make floors and ceilings start to break and crack too.

Because best whole house humidifiers serve a distinct purpose and best basement dehumidifiers serve another, you may consider getting the two so that you aren’t left hanging, whatever might be the season or weather.

The Bottom Line

Personal health must be a top priority for anyone who lives where the weather goes extreme. But you wouldn’t have to worry about all that once you get both a humidifier and a dehumidifier. This way, you can prevent serious health issues from rearing their ugly heads. We hope HandyHomeMaster has been able to solve your contention about the humidifier vs dehumidifier battle and our recommendations, capable of guiding your choice.

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