Here are the three main types of dehumidifiers : Refrigerant dehumidifiers: This type of dehumidifier works very similarly to the way a refrigerator operates and uses metal plates or coils along with fans to move air through the unit. When a room is less humid, it’s more comfortable and pleasant and safe to spend time in. A dehumidifier is an electrical appliance that reduces and maintains the optimal level of humidity in the air. The sucking of air is done with the help of a fan. Desiccants work well in both warm and cooler environments, so are the better choice if you want a dehumidifier for a garage, conservatory, caravan or boat, or if you want one that you can use in a range of conditions. Rainbow International is a fellow member of the Neighborly® family of trusted home service brands. The Dehumidifier Work on the Following Basis: At one side of the machine, it sucks all the moisture from the room. Dehumidifiers work in one of two ways—by refrigeration (cooling air to remove moisture using similar technology to a refrigerator or air conditioner) or by absorption/adsorption (where moisture is absorbed into or adsorbed onto a drying material and then removed). How does a dehumidifier work? To understand how does a dehumidifier work, however, we have to look into the device itself. A dehumidifier uses a fan to move air in the room over refrigerated coils, removing moisture and collecting it in a tank. Refrigerant dehumidifiers work by drawing warm, moist air into the unit, via a fan. The dehumidifier takes in warm air through a fan that sucks air into metal coils that are cooled down by a refrigerant that uses chemicals to reduce the temperature of the coils. Helps with allergies. However, before moving into that, let’s look into the sole purpose of a dehumidifier. How Does A Dehumidifier Work? The workings of a dehumidifier are similar to that of an air conditioner, but where the air in a conditioner is cooled, down, the air in a humidifier is heated. As with any appliance, the key is to look for an Energy Star-rated, high-efficiency unit that is sized properly for the space and conditions. Our local service professionals are ready to help you choose the unit that’s right for you. Donna Boyle Schwartz, 11 Decorative Pillow Trends to Expect in 2021, Solved! Almost all the dehumidifiers in … Because a dehumidifier uses significantly less energy than an air conditioner, installing either a whole-house system or a smaller unit can cut cooling costs; not only does the air conditioner not have to work as hard, but it also may run less often or at a higher temperature. Standard dehumidifiers operate by drawing in moist air and passing it through a series of cooling coils, which are filled with a refrigerant. Use an extractor fan or open a window when taking a bath or shower. Not only do they reduce excess moisture in the air, but they also they work to prevent mold and mildew. A dehumidifier is an electrical appliance which reduces and maintains the level of humidity in the air, usually for health or comfort reasons, or to eliminate musty odor and to prevent the growth of mildew by extracting water from the air. Dehumidifiers work best when there is enough airflow around the unit. How Dehumidifiers Work. In contrast, a 50-pint dehumidifier is recommended for a 1,200-square-foot space with the same humidity level. Your health and safety are our highest priority during this time. A fan draws warm, humid air over a cold coil, which condenses the moisture into liquid; the water is removed via a drain pipe. Watch this short unboxing video showing how to get your De’Longhi dehumidifier set up correctly creating the ultimate comfort in your home. A dehumidifier does what the word says: it takes the humidity out of a room. How does a dehumidifier work? Dehumidifiers can usually be grouped into one of four types: Heat Pump Dehumidifier – These dehumidifiers need a fan, heat pump, and heat exchange coils to remove moisture from the air. Not to worry, we will provide you with great insight into the operation process of the whole house unit. Many allergens and allergy triggers, such as dust mites, mold, and mildew, … Dehumidifier capacity is measured in pints of water removed per 24 hours. Equipped with an evaporator coil, compressor, fan, and humidistat, dehumidifiers wring moisture from the air. They can be centrally ducted for whole-house dehumidification or unducted for moisture control in attics or smaller crawl spaces. A dehumidifier is a good way to cut down on excessively damp air. Mold and mildew, musty odors, condensation, warped wooden surfaces, and cracked, peeling, or blistering paint can all result from elevated humidity levels inside your home. You agree that BobVila.com may process your data in the manner described by our Privacy Policy. Here's how to make certain you're using the device properly. However, if you are using a larger dehumidifier with a manual pump, it will be a challenge emptying the drip pan every now and then, why not place it near the sink or toilet so it won’t be a hassle carrying around. A dehumidifier works by drawing warm air currents into its coils via a fan. They also carry a MERV (Minimum Efficiency Reporting Value) rating of 11. The unit can draw the moisture from your indoor air in two ways. Moisture then condenses and collects. The desiccant moisture absorber is held on a slowly rotating wheel. Fan Compressor – The fan compressor compresses and expands the refrigerant to cool the dehumidifier… A fan draws warm, humid air over a cold coil, which condenses the moisture into liquid; the water is removed via a drain pipe. (MERV ratings, which measure filter performance, range from 1 to 16; the higher the number, the better the air filtration.). A dehumidifier removes excess moisture from your premises by taking in air the moisture-laden air and giving out dry air. How Does A Dehumidifier Work? © 2020 Dwyer Franchising, LLC All rights reserved. How does it do that? If it gets cool outdoors and you keep the dehumidifier in the basement, the coils will freeze up if the dehumidifier is switched on. Believe it or not, where you place your dehumidifier … But taking these simple steps could help nip it in the bud before it gets to the dehumidifier stage. Honeywell's TrueDRY DR120 Whole-House Dehumidifier. Desiccant dehumidifiers work by using a ‘desiccant’ chemical to ‘absorb’ moisture from the air. Click here for our precautionary measures. Dehumidifiers regulate humidity by drawing moisture from the air. Measure the square footage of the main room where you’ll use the dehumidifier. The moist air then crosses over refrigerant-cooled coils. Wipe down wet walls and floors in your bathroom after use. And, when the air is damp and sticky indoors, you’re not the only one who senses it—so does your air conditioner. You can use a dehumidifier when you notice signs of damp, such as condensation on your windows. Choose the right size dehumidifier for your room’s square footage. Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. Dehumidifiers come in a variety of models and sizes, ranging from large, whole-house models to smaller, portable units designed for individual rooms and problem areas, such as attics, basements, and crawl spaces. Call Aire Serv® today at (855) 679-0011 or request an appointment online to learn more about your dehumidifier options. If you do choose a model with a motorized pump, connect a water hose to the dehumidifier's drain pump hole. The Recommended Humidity Level at Home, Radiant Surfaces: Heat Where You Least Expect It, 20 Bad Habits That Could Burn Down Your House. Shop top brands like Frigidaire, Danby, and more that are available on Amazon, Walmart and Home Depot. Dehumidifiers are important in the fight against overly humid air and poor indoor air quality. The dry air then passes over a warm coil and is added back into the room. Dehumidifiers remove water vapor from the air to keep a room dry. Experts share how to buy the best dehumidifiers of 2020. Where there’s moisture, there are likely bugs. These coils condense the air to remove excess water content. Its facts and opinions are those of BobVila.com. It's fairly simple, but very effective: A fan collects air from the surrounding area and pulls it into the dehumidifier. In technical terms, the dehumidifier uses a refrigeration-based and heater-based system to reduce relative air humidity from 50-100% to 30-50%. Some common dehumidifier problems include excessive noise, leaking water or a fan that isn’t working. As the air passes through, it comes into contact with the dehumidifier's cooled coils. Each works to remove water from the air a little differently: Not sure how a dehumidifier could benefit your life? Disclosure: BobVila.com participates in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for publishers to earn fees by linking to Amazon.com and affiliated sites. From there, moisture condenses out and collects in a removable basin while a fan blows the newly dried air out of the unit. But one big question is how does a whole house dehumidifier work to moderate the overall humidity inside your home. Hot and muggy summer weather outside can mean excess moisture inside. Copyright © 2020 Acton Media Inc. All rights reserved. “It can promote mold growth and the potential for respiratory ailments, and make your air conditioner work harder by having to cool damp, heavier air.” By removing excess moisture from the air, a dehumidifier can level the playing field and improve the overall comfort and health of your home. Most of these repairs don’t require a lot of mechanical skill, … Indeed, rising energy costs are one of the primary reasons for dehumidifiers’ growth in popularity: To conserve energy, today’s homes are built more tightly, but with less air exchange comes the potential for moisture buildup. “Excess moisture in your home can cause major issues over time,” points out Daniel O’Brian, a technical expert at online retailer SupplyHouse.com. This post has been brought to you by SupplyHouse.com. The moisture collects in a container/tank as liquid water, which you should empty often. Generally, desiccant dehumidifiers work via either absorbing the water, where it soaks right into a desiccant material or by adsorption, where the … By Donna Boyle Schwartz. We'll look at each of these in turn. Honeywell’s TrueDRY line of dehumidifiers are all Energy Star rated and come backed by a five-year warranty. Refrigerant: Most dehumidifiers use a refrigerant (i.e., Freon) to pull moisture out of the air. By reducing that moisture, dehumidifiers can ensure a continuous flow of cool, dry air. They use four basic parts to pull moisture out of the air. For more on the Honeywell TrueDRY Dehumidification system, including a video demo, visit SupplyHouse.com. According to the U.S. Energy Star program, a homeowner can save up to 6 percent on cooling costs for every degree the thermostat is turned up. [1] X Research source It can be used for household, commercial, or industrial applications. A higher-capacity dehumidifier won't have to work as hard to keep a space dry as one that's exactly the recommended capacity for the room. The best size of dehumidifier to buy depends on how big the room is that you want to dehumidify. Learn how to keep silverfish at bay with tips from our friends at Rainbow International. The dehumidifier’s heat recovery system then passes warmer, dryer air back into the room. Read on to learn the top three ways a dehumidifier may improve your home and health …. A fan draws the wet air into the dehumidifier where it is passed over the desiccant. A fan pulls the moist air into the dehumidifier and through cooling coils, which use condensation to draw dampness from the air. The appropriate capacity for a dehumidification unit or system is determined by the size of the space and its conditions. With these factors in mind, let’s take a deeper dive into how dehumidifiers work, how to pick one for your home, and some of the benefits they bring. Refrigerants do have their advantages though. The unit then releases recycled, less-humid air back into the room with the help of a second fan. It attracts all the air into the machine. If the room you’re trying to dehumidify has a humidity level between 80-100%, then a 25-30-pint dehumidifier is recommended for a 300-square-foot space, while a 60-pint dehumidifier is recommended for a 1,200-square-foot space with the same humidity level. In simplest terms, a dehumidifier is an HVAC device that removes moisture from indoor air. Match that to the size of dehumidifier. Now, after taking the moisture inside the machine, it will pass through the pipe. Learn More About Aire Serv Indoor Air Quality Services, Condensation on the inside of your window panes, Improves Your Health and Protects Your Home. There are three types available to homeowners. Dehumidifiers are controlled by an instrument called a dehumidistat, which turns the unit on and off depending on the amount of moisture detected in the air. How to Set a Dehumidifier. All dehumidifiers work to take water from the air, but there are several types that operate in different ways. A comfortable moisture level during the summer is 35 to 40 percent. Guidelines suggest that slightly damp rooms, with a 50-60% humidity level, require a 20-pint dehumidifier for a 300-square-foot space. How does a dehumidifier work? If you notice any of the following in your home, we recommend purchasing and using a dehumidifier(s): The two most significant factors that determine the size of the dehumidifier you'll need are 1) the size of the space you're looking to dehumidify and 2) the humidity level within that space. Using a fan, air gets sent past the heat exchange coils, which are extremely cold. 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