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In terms of energy efficiency, however, a refrigerant dehumidifier is often cheaper to run. Desiccant dehumidifiers have a warming effect though, which can mean you don’t need to heat your home as much during the winter months. They are also faster at removing water in cooler conditions, which may mean they don’t need to be run for as long to maintain low humidity. Are Dehumidifiers Energy Efficient? If there’s a problem room, the dehumidifier should be kept in there, preferably with doors and windows closed,” says Chris Wood, also from Aircon Centre. “If it is to be used to control the moisture for the whole house, however, then it should be located centrally, on a landing or in the hallway, and the air from the rooms should be able to flow towards the units. So keep the interior doors open and the exterior windows shut.” How much does a dehumidifier cost to run?
If you have a small space that’s prone to damp air, like a kitchen or a bathroom, you need a dehumidifier that’s compact and quiet. Standing 22cm high and weighing little more than a bag of sugar, unlike some dehumidifiers The ProBreeze is easy to move around and won’t stand out like a sore thumb once it’s in place. Compressors are generally efficient at room temperature, but they can’t handle the winter cold so well. If the temperature drops below three or four centigrade, they will tend to stop working. That’s not the case with desiccants, although they can be more expensive to run. How to use a dehumidifier We often get asked how much it costs to run a dehumidifier. It’s an important topic, as rising energy bills have forced everyone in the UK to be more aware of how much their appliances cost to run. Once this baseline has been established, you probably won’t need to run the dehumidifier for more than a few hours per day. You might also only need the low or medium settings, which reduces energy usage further.For a bathroom, you should position the dehumidifier just outside the bathroom door and ensure the door is left open so the unit can draw the moist air towards it. If you’re drying clothes, just place the dehumidifier in the room, making sure the door and windows are all closed. There’s also the endless debate between desiccant and refrigerant (compressor) dehumidifiers. We talk more about the general differences here, but a refrigerant dehumidifier works best in warmer temperatures, while a desiccant is the better option for low temperature applications. The cost of one kiloWatt-hour of electricity is capped at 30p under the Energy Price Guarantee as of July 2023. Although prices do vary by region and contract (economy 7 tariffs are more expensive by day and cheaper by night, for example), we use the capped price to estimate running costs. It’s simply a matter of setting the desired humidity level and the unit will do the rest. What you will need to do is empty the water tank from time to time. Where should you place a dehumidifier?
Humidstat + Smart Control. If a dehumidifier monitors the humidity and only switches on when needed, it’ll use less energy.
Dry out your home for healthier living with the best dehumidifiers tried and tested
Lowering humidity can prevent mould growth on walls, tiles and ceilings, which is costly to remove. As you’ve probably realised, it’s often difficult to estimate the cost of running a dehumidifier. Aside from the machine’s power rating, the ongoing costs are affected by humidity, temperature, energy saving features and running time.
Look for one which draws less than 330 Watts and you will never spend more than 10p per hour. It’s often much less on lower power settings. Dehumidifiers are generally cheap to run. What size dehumidifier do I need? Dryer homes also feel warmer, so you can turn down the thermostat. Even turning down the thermostat by one degree can lead to significant savings. Things are a bit more complicated than this though. While a dehumidifier is sold with a power rating, that doesn’t mean it uses this power all the time. This data is based on running the dehumidifier for 12 hours a day at the listed wattage. If you only need to run a dehumidifier for 2-4 hours per day, which is common once a baseline humidity has been established, the energy costs (per day or week) are likely to be lower. If you need to run the dehumidifier for 24 hours per day until the humidity is brought down, then the costs will be double.
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We all want to save energy at the moment – and that’s where the Meaco 20L Low Energy comes into its own,” adds Kandola. It uses a HEPA ( High Efficiency Particulate Air) filter which will remove 99 percent of dust mites, pollen or other allergens, making a cleaner and healthier atmosphere in your home. It’s a difficult question to answer, as the cost varies wildly. Factors such as the temperature, type of dehumidifier ( desiccant or refrigerant) and energy-saving features all affect the running costs. Manufacturers also confuse the issue by adding the phrase “energy efficient” to every product description – whether it’s deserved or not.
Perhaps the best-looking dehumidifier on our list, the Midea Cube is only a foot tall when collapsed for storage but extends upwards in use to hold 11 litres of water. That’s about three times more than traditional dehumidifiers and means you need to empty it less often. Another option is to just use the top half and run its hose into a sink or drain so that you never have to empty it at all.A compressor dehumidifier is almost like a mini-fridge that cools the air and converts it into water that you can pour away,” says Ryan Kandola, a dehumidifier expert from Aircon Centre, “whereas desiccants take the air and run it over a rotating flywheel which absorbs the moisture, before heating it so the wheel doesn’t get saturated.” How do you know when you need a dehumidifier? Of course, energy usage isn’t the only consideration when buying a dehumidifier. If you’re tired of condensation or mould, a dehumidifier is one of the fastest ways to reduce humidity. The recommended humidity for your home is 40-60 per cent in the summer months and between 30-50 per cent in the winter. You can measure it with a hygrometer (a humidity gauge - they’re not expensive). If it goes over 70 per cent, you run the risk of condensation, damp, mould, fungi and bacteria. That’s when you need a dehumidifier. Which is better, a compressor or desiccant dehumidifier? Fast Water Extraction. The faster a dehumidifier removes moisture from the air, the shorter time it’ll need to be switched on. The key is to choose the right dehumidifier for the environment (i.e. a desiccant for colder rooms or a refrigerant for warmer ones)
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