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Heat Pump Dryers Save Energy and Eliminate Potential Fire Hazards Conventional dryers heat air using gas or electric resistance and blow it over clothing that is tumbling and then vent the warm, moist air outside. Heat pump dryers don't require vents. This helps save energy and eliminates potential fire hazards caused by lint accumulation in the vents. They also have lower temperatures and are gentler on clothing, which means they might take longer to dry than traditional machines. Find out more about these ventless washing machines from Aztec Appliance. Efficiency A heat pump dryer can save you a significant amount of money every year on your electric bill. It uses up to 28 percent less energy than a traditional clothes dryer, according to Energy Star. It might not seem like much, but if you do 20 loads of laundry per week in Massachusetts where electricity prices are among the highest in the United States and you can save hundreds of dollars over the course of a 12 year lifespan. read the full info here that a heat pump dryer works is similar to the way it works the dehumidifier. The heat pump dryer starts with heated air that is then sent through coils to heat it up further. During this process the heated air draws moisture from the clothing into the heat exchanger where it is condensed. It drips out into an empty pan or a tube that can be connected to drain it. The cooled, moist air is then circulated over the coils of a condenser to be reheated. Heat pump dryers don't require an exhaust vent. They can therefore be installed in places where a traditional dryer would not fit. They also are quieter and more versatile and suitable for apartment spaces and other rooms that have limited space. In addition, they are safer than dryers that have vents, which can be a fire hazard if not cleaned regularly. Heat pump dryers take longer to dry your laundry since they operate at lower temperatures. Furthermore, since they function much like a dehumidifier and generate a lot of water during drying It is important to clean your heat pump dryer frequently. This is particularly important if your clothes are damp or you reside in a humid region. It is possible to do this by regularly checking and cleaning the lint screens and the condenser coils. You should also clean out the drain tube occasionally. The evaporator coil can be susceptible to mold and bacteria, but regular cleaning should keep it in good shape. Condensation The traditional method of drying clothes is using fans to blow hot air over the clothes. This air is then vented to the outside. This method uses a lot energy and requires an outside space for the venting. Heat pump dryers – also referred to as ventless dryers re-use the air instead. They make use of the heat to repurpose energy to run the machine. They then condense it into water that drains out of the bottom of the drum. They are also smaller than vented dryers, and they can be built into a laundry room or even in an attic. The dryers with heat pumps, while popular in Europe and Japan are relatively new on the American market. These dryers are now available in sizes to fit in most laundry rooms and can provide significant energy savings. Because they do not exhaust the indoor air outdoors it is not necessary to clean your venting system or fix any potential problems. The heat pump dryers function like a refrigerator's refrigeration system with an air compressor that presses refrigerant through one set of coils to release heat and an evaporator set of coils which absorb heat from air passing through them. The refrigerant that is heated circulates through another set of coils to help condense the moist air, and that cool refrigerant flows back into the original coils, and is heated to continue the process. Similar to other electric dryers the heat pump dryer still needs maintenance to keep its energy efficiency at peak performance. Lint can build up on filters and the evaporator coils. It is important to clean these coils regularly to avoid excessive wear. They also employ refrigerants that have high GWP or Global Warming Potential. They must be recycled. The heat pump dryers take longer than vented dryers to dry loads. This is because their maximum temperature, which is around 120degF—is lower than that of gas and electric resistance dryers. Therefore, they're required to tumble for an additional time before they're dry. Lint Screens Heat pump dryers have an air lint filter and venting system that need to be maintained regularly. A clogged vent can significantly extend drying times, and is a fire hazard. The exhaust of a vented dryer can reach temperatures high enough to ignite volatile oils and chemicals on clothing. A heat pump vent system requires an air dehumidifier to remove moisture before the air leaves the dryer. Dehumidifiers can also cut down on energy costs by lowering temperature of the hot water that is used to heat the air. The lint screen of the heat pump dryer is more fine than conventional dryers, so it must be cleaned more frequently. The lint trap that is located in the door opening is also a good place for lint to build up and must be checked and removed regularly. Models with heat pumps have a heated drum, which means the inside of the machine must be kept clear of lint and residues from dryer or fabric softener sheets. The heated drum walls might be required to be cleaned and inspected periodically, as they could need to be replaced, as per the user's guide. According to the U.S. Fire Administration, the buildup of lint inside the dryer's exhaust pipe isn't just an inconvenience. It's also a fire hazard that causes 2900 house fires per year. Clean your dryer's lint exhaust hose once a year using a wire brush or make use of an air blower from outside to remove lint from the inside of the hose as this How-to video explains. It's safer to do it from the outside, as you won't be able to see lint on your face. If you're not confident in your ability to clean the duct, you can hire an expert to handle it for you. If you cannot sense air movement in your dryer vent, or your dryer is taking longer to dry, it could mean that there is a lint obstruction deeper in the vent. Pick one day each year to clean your vents—Labor Day, the beginning of spring or the beginning or the end of daylight saving time—and stick to it. Installation Modern electric dryers are one of the most useful features for homeowners. However, choosing the right dryer is also an important choice for those who wish to lower their utility bills and make a positive impact on the environment. Heat pump dryers are a great option for many. They differ from vented dryers like traditional ones that use electricity or gas combustion for heating air, and then blowing the hot, dried air into the drum in order to remove moisture. They reuse the air, pulling the humid air and cooling it, permitting it to return to the laundry area where it can be used again. Heat pump dryers don't require ducting, chimneys or chimneys to vent outside. They can be installed within small spaces, such as laundry closets. They're ideal for tiny homes, accessory dwelling units (such a laundry room 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 be used on standard 120-volt 15 amp circuits. This is an advantage for older homes with older wiring, and can reduce the cost of installation. The dryers that use heat pump have lower power than other dryers, and therefore take longer to complete a cycle. Because they don't go around like traditional dryers do, big items such as towels and sheets can become a laundry sausage that is difficult to remove. Some manufacturers attempt to resolve this issue by reversing tumble cycles for short durations during the cycle. Heat pump dryers also require more maintenance than other dryers. Lint can accumulate on heat exchanger coils and evaporator coils, requiring periodic vacuuming or professional cleaning to keep them running efficiently. Since heat pump dryers don't vent, they can also gather moisture inside the dryer, causing mold.