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Heat Pump Dryers Save Energy and Eliminate Potential Fire Hazards Conventional dryers heat the air using electric resistance or gas combustion and blow it over tumbling clothes and vent the warm, humid air outside. The dryers that use heat pumps do not require vents. This helps save energy and prevents fire hazards caused by lint accumulation in the ducts. These machines also operate at lower temperatures, and are gentler on clothes. They may take longer to dry than traditional machines. Aztec Appliance provides more details regarding these ventless washing machines. Efficiency You can save a significant amount of money on your electricity bill by using the heat pump dryer. It consumes up to 28% less energy than a traditional clothes dryer according to Energy Star. That may not sound like much however, when your family is doing 20 loads of laundry per week in Massachusetts, where electricity rates are among the highest in the nation and you'll save hundreds over the course of a 12 year lifespan with a heat pump dryer. The way a heat-pump dryer functions is similar to that of the dehumidifier. It begins with air that is heated by a compressor, and then pushed through a second set of coils to warm it even more. In this process, the hot air draws moisture from the clothing and into the heat exchanger, where it becomes condensed. It drips into a pan that can be manually empty or connected to drain tubes. The moist, cooled air is then circulated through the coils of the condenser to be reheated. They don't require an exhaust vent. They can be used in places where a traditional dryer would not be able to fit. They are also quieter and more versatile which makes them suitable for apartment spaces and other rooms with small space. In addition, they are safer than dryers that have vents, which could be dangerous if not cleaned regularly. However, since they operate at lower temperatures than conventional dryers, it will take longer for your laundry to dry when using the help of a heat pump dryer. It is also essential to clean the heat pump dryer frequently because it works like an air dehumidifier and can produce lots of moisture during drying. This is especially important if you reside in an area that is humid or if your clothes are soaked with a lot of moisture trapped in the dryer. It is possible to do this by checking and cleaning the lint screens and the condenser coils. click through the next website page should also clean out the drain tube regularly. Regular cleaning will keep the evaporator in good shape. Condensation The traditional method to dry clothes is by using the use of a fan to blow hot air over the tumbling laundry, then venting that warm, moist air outside. This method uses lots of energy and requires an outdoor space vented to allow for the venting. Heat pump dryers—also known as ventless dryers, recycle the air instead. They heat the air by reusing energy used to run the machine. They then condense it into water that drains out of the bottom of the drum. They're also smaller than vented dryers and can be incorporated in a laundry room or even in an attic. While they're widely used in Europe and Japan, heat pump dryers are new to the American market. They're now available in sizes that would fit in most laundry rooms, and they offer significant energy savings and other climate benefits. And because they don't exhaust indoor air to the outdoors it isn't necessary to clean your venting system periodically or deal with the potential problems that can occur when you have a dirty venting system. Heat pump dryers are similar to the refrigeration system of a refrigerator. They are equipped with an air compressor that pressurizes refrigerant through one set of coils, which releases heat. The evaporator coils absorb warmth from air passing through. The heated refrigerant flows through two coils to help condense the moist air, and that cooled refrigerant then flows back into the original coils, and is heated to repeat the process. Like other dryers with electric motors, a heat pump dryer requires maintenance to ensure its energy efficiency is at its peak. Lint can accumulate on the filters and evaporator coils. It is important to clean these regularly to prevent excessive wear. They also use refrigerants that have high GWP or Global Warming Potential. They need to be recycled. Another issue to be considered is the fact that heat pump dryers typically take longer than vented ones to complete a load. That's because their maximum temperature—about 120degF, is lower than electric and gas resistance dryers, which means they're required to tumble for an additional time before they're completely dry. Lint Screens The dryers of heat pumps have an air lint filter and venting system that must be maintained regularly. A clogged dryer vent can increase drying time and pose an fire risk. A vented dryer's exhaust can reach temperatures that are sufficient to ignite volatile oils and chemical on clothes. The vent system in a heat pump requires a dehumidifier to remove moisture from the air prior to it exits the dryer. A dehumidifier can also help you save energy by reducing the temperature at which hot water is heated to warm the air. The lint filter in a heat-pump dryer is finer and must be cleaned more often than the one in traditional dryers. The lint screen inside the door's opening can accumulate lint. It is recommended to clean it regularly. The models that have heat pump also have heated drum walls which means that the inside of the dryer has to be kept free of lint fabric softener, dryer sheet residue. The heated drum walls also require regular cleaning and inspections, since they could require to be replaced as specified in the user's manual. Lint buildup in the dryer's exhaust hose isn't only a nuisance, it's also a major danger to fire and can cause an average of 2,900 house fires each year according to the U.S. Fire Administration. Clean your dryer's lint-exhaust hose once a year using wire brushes, or use an air blower from the exterior to remove lint from the inside of the hose, as this Today's Homeowner how-to video explains. It's better to do this from the outside, since you will avoid getting lint in your eyes. If you're not sure of your ability to clean the duct, you can hire an expert to handle it for you. If you cannot feel air moving in your dryer vent, or your dryer takes longer to dry, it could be that there is a lint obstruction inside the duct. Pick a day in the year to clean your vents – Labor Day, the beginning of spring, or the start or the end of daylight saving time. Then stick to it. Installation Modern electric dryers are among the best conveniences for homeowners. But picking the right dryer is essential for those who want to cut down on their energy bills and have a positive impact on our environment. Heat pump dryers are an excellent choice for a variety of. They differ from traditional vented dryers that use electricity or gas combustion for heating air, and then blowing the hot, dried air into the drum to remove moisture. They reuse the air, removing the humid air and cooling it, permitting it to be returned to the laundry room so that it can again be used. They do not require chimneys, ducting, or chimneys to vent outside. They can be placed in small rooms such as laundry closets. This makes them ideal for tiny homes as well as accessory dwelling units (such as a laundry room in the basement or an apartment above the garage) or even additions. They are often better than traditional vented models because they are ENERGY STAR certified. Heat pump dryers can operated on standard 120-volt 15-amp circuits. This is a huge benefit for older homes that have older wiring and can reduce the cost of installation. They have lower power than other dryers, so they take longer to complete the cycle. They also don't have the back-and-forth motion of conventional dryers, large items like towels and sheets could end up in a laundry sausage that is difficult to remove. Some manufacturers attempt to resolve this issue by reversed tumble cycles for short durations during a cycle. In addition, heat pump dryers need more regular maintenance than other dryers. Lint can build up on the heat exchanger coils and evaporator coils, requiring periodic vacuuming or professional cleaning to ensure that they run efficiently. Because dryers with heat pumps do not vent, they could also collect moisture inside the dryer, causing mold.