WM3477HW (new version of LG WM3455HW)

by Jaro

RANK #1:

LG washer dryer combos have a really great name in this industry and this model represents it very well. As you can see, I actually ranked it #1 because it has the best features, reliability (according to users who shared their experiences all over the internet) and still not expensive. The features and technical details are exactly the same as with LG WM3477HS. The only difference is the color – the last letter W in the model name WM3477HW stands for white.

This is the new version of my previously #1 ranked WM3455HW and it proved to be a reliable successor. All the details and features are the same. The only difference is that WM3477HW  has one drying cycle less than the older model.


Dimensions (WxHxD): 24” x 33 1/2” x 25 1/4”
Weight: 159 lb.
Capacity (cu.ft.): DOE 2.3 (Wash: 15 lb, Dry: 10 lb)
Drying System: Ventless Condensing
Number of Wash Programs: 9
Number of Dry Programs: 6
  • 6Motion™ Technology – combines up to 6 different wash motions to provide a revolutionary cleaning experience.
  • Dial-A-Cycle™ – allows to easily find the right setting every time.
  • SenseClean™ System – sets the water level and wash time automatically, based on the weight and size of each load.
  • Above-average capacity – 2.3 cu.ft.
  • Anti-wrinkle system – prevents forming wrinkles.
  • Sensor Dry – multiple sensors evaluate when to stop drying, based on how much moisture is present. This sensor is great for your clothing and energy efficiency.
  • LoDecibel™ Quiet Operation – reduces noise and vibration.  When the washer senses that the load in the drum becomes uneven, it relaxes the drum adequately to allow the load even out itself.
  • Ventless Condensing – you don’t need any external venting to dry your clothes.
  • Child Lock – a safety feature so that you children cannot open it.
  • Delay Wash – you can easily preset start time of the program you want to run within the range of 19 hours.
  • No Water Reservoir – the water drains out automatically through the same hose that is used to drain water during the wash cycle.
  • Other: End of Cycle Beeper, Auto Suds Removal, Forced Drain System, Status Indicator(s), Internal Water Heater, Lint/coin filter (the small panel door on front lower right when looking at the picture)…
Spin Speed (Max): 1300 RPM
Warranty: 1 Year Parts and Labor, 10 Years Motor, Lifetime on Drum
Wash Programs: Cotton/Normal, Perm. Press, Delicates, Hand Wash/Wool, Rinse & Spin, Speed Wash, Cotton Quick, Sanitary, Bulky/Large
Dry Programs: Speed Dry, Cotton Quick, Sanitary, Cotton/Nomal, Perm. Press, Rinse & Spin
Wash/Rinse Temps: Extra Hot/Cold, Hot/Cold, Warm/Warm, Warm/Cold, Cold/Cold
  • Stain Cycle – perfect for bad stains.
  • Water Plus – will add approximately 2 – 4 extra gallons of water to the current selected wash cycle. Not at once, but evenly throughout the whole cycle.
  • Drum Light – you can activate it by pressing and holding the rinse+spin button for 3 sec. It turns of automatically in 4 minutes. The light also activates at the end of the wash cycle for 4 minutes and turns off automatically.
  • Tub Clean – removes any detergent buildup or residue from the washer drum.
  • SpinSense™ – can reduce the noise and vibrations even more.
  • Other: Delay Wash(up to 19 hours), Child Lock, Prewash, Extra Rinse, Cycle-Finished Signalling ON/OFF…
Tray Dispenser: 3 slots: Prewash, Main Wash, Softener
Materials: Drum: NeveRust™ Stainless Steel, Cabinet: Painted Steel, Control Panel: Plastic, Top Plate: LPM Board, Door Rim: Chrome
Color: White
Ratings Electrical Requirements: Runs on standard voltage electricity (UL Listed /120V, 60Hz, 10Amps) – uses the standard 115-120 volt, 15-20 amp wiring.
The video is for this model, only that it’s in a silver color instead of white.
Pros and Cons:
  • Well-designed unit with a stylish and luxury look.
  • Great performance, features and energy efficiency – saves money on your electric bill.
  • Easy to install, easy to use.
  • It’s very quiet. Should be mounted on a solid flat floor or vibration isolation pads to solve any vibration issues.
  • Excellent capacity for the overall size of the machine. Just to compare, it washes the same amount of clothes as the typical smaller commercial machine you find at a New York City laundromat.
  • If half loaded, it takes just 1 hour for clothes to wash and dry and just 1.5 hour for jackets and heavy wool items.
  • The clothes that come out feel great. They are soft without using fabric softener and clean with a minimum of soap.
  • It’s ventless and uses condensation to make the vapor release its moisture and be pumped out along with cold water used for this purpose.
  • Uses very little water (70% less water).
  • You can interrupt the program at any time, change any setting or open the door, and then resume.
  • Plays a nice little melody tune after the cycle has finished instead of the typical annoying beeping or loud buzzes. The melody can be turned off to have no signalling at the end.
  • No negatives other than the common ones below.
Negatives common to all combos:
  • There is no exterior lint trap for the dryer. The lint tends to collect around the rubber seal and you have to empty that once a month depending on the frequency of use.
  • The clothes need to be free to tumble in order to dry completely. Fill only half of the drum if you’re going to use the dry function.
  • Noisy water pump that expels the water from the machine – although active only intermittently during the wash and rinse cycle.
  • Produces a bit of heat.
Design: 9/10 Capacity: 9/10
Features: 10/10 Wash & Dry Programs: 10/10
Money Savings: 10/10 Quiet: 9/10
Quality of Wash: 10/10 Quality of Dry: 10/10
Affordable: 7/10 Reliability: 9/10
Total Score: 93
Reviews and Prices:
Here you can find and compare user comments and prices from different online stores. Just a small advice – if you find a lot of positive reviews and some negative ones, it usually means that the complaining people don’t use the machine properly, or received some defective piece.
Online Store Price Link
Compact Appliance $1,285 (Free shipping) Purchase
Amazon $1,487.99 Purchase
PC Richard $1,599.97 Purchase

Conclusion: This model is a little bit smaller than the huge LG WM3987HW, but provides the same performance and efficiency and is so far the best washer dryer combo I’d recommend to buy.


Hi, my name is Jaro and I'm the founder of this website. If you wanna read more about me, please check out my ABOUT page.

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  • Myrna Crystal Campbell

    Does this unit require a hot water connection or does it heat the water on it’s own?

    • http://www.washerdryercomboz.com/ Jaro

      Hi Myrna,

      you’ll probably wanna need the hot water connection as well. Although this unit has a 1000 W internal water heater, only its “Sanitary cycle” option can use it to heat cold water for the load you wash. It’s a NSF-certified feature that heats water up to 158 degree Fahrenheit to remove even the toughest stains and bacteria. It also saves energy it reduces your need to utilize hot water.

  • Ariella

    I just got a great deal on an almost new one for sale on Craigslist and they delivered it to me from a town two hours away. The seller only used it twice and needed a bigger machine. My question is is it okay to put this on wheels with brakes?

    • http://www.washerdryercomboz.com/ Jaro

      Hi Ariella,
      congrats on the deal. Yes, you can put it on wheels. In my FAQ section, question #18: http://www.washerdryercomboz.com/faq/#18
      you can find a link to buy them exactly for LG models.

  • Recreational Vehicleing

    Hello, we bought the unit almost a year ago now, to go full-time RVing with. Though the actions and menus seem somewhat quirky; overall, we’ve really liked the unit. However, about two weeks ago, while running a rinse cycle on my jeans, the unit just ‘lost power’. Nothing else, just the w/d machine. I can’t find an ’emergency’ release for the door, so, I think it’s time for a new wardrobe, I did unscrew the drain in the lower right front of the unit, to try and ‘drain’ the water, but the jeans are still soaked. I’ve been actively ‘traveling’ on the road, so – they took a back seat, until now, I’ve the time and resources to address the problem. I guess I have 3 questions:

    1) is there an emergency mechanical release somewhere that will allow me to open the door if it was locked when the unit lost power? (Because without power… time has done nothing to release the lock)

    2) is there any sort of ‘reset’ button or fuse to check anywhere on or in the machine? (Yes, I’ve already looked outside and inside for anything intuitive – nothing found/spotted. I don’t have any sort of engineering degree, so – circuit boards ‘looked’ ok? It’s not the plug, that’s been switched. It’s something internal to the machines electronic components — somewhere.

    3) Is there any sort of repair manual anywhere (other than the 7 page, mufti-language users pamphlet available?

    We’re currently in Las Vegas, but will be heading back east this week.

    • http://www.washerdryercomboz.com/ Jaro

      Hi there, first of all it looks like you have the Midea combo and not LG as I can see in the photo, but anyway for the solutions on how to open a locked machine please look at my FAQ page here: http://www.washerdryercomboz.com/faq/#20

  • Vanessa

    Hello Jaro,
    Your great website has brought a lot knowledge and reassurance to my possible purchase. I was originally looking at the LG 3997 model until I found your site. Now, I’m thinking of purchasing the 3477 model thanks to your sound advice and knowledge. I have questions about the machine’s portability and vibrations. I live in NYC and the first thing I will need is portability. I found a trolley/dolly made by Panda on Amazon which seems like it would be the right fit but someone said that it might not work because of LG’s high rpm. Are you familiar with this statement?

    And secondly, I’m aware that it might be overkill but I do not want to disturb neighbors with vibration and noise. So, I’m considering adding a Rubbercal recycle tired mat under the dolly. Could you see the mat under the dolly being an issue?
    Thank you in advance.

    • http://www.washerdryercomboz.com/ Jaro

      Hi Vanessa, I really appreciate that you find my website useful, thanks. On the following link you can actually buy the WM3477 with original LG portability kit included.

      Regarding the rubber cal mat, it shouldn’t be a problem as long as you make sure the machine doesn’t incline and stays firm on the same place.

  • Amit Patel

    Does this unit need a lot of space around it to vent moisture? We were going to put it in the space under our counter where our older, smaller combo unit sits but there will not be much space around the unit anymore. Just concerned about potential moisture & mold issues

    • http://www.washerdryercomboz.com/ Jaro

      Hi Amit,
      yes, combos and dryers need some extra space to allow the air to circulate around them – at least one inch at the sides, and four inches at the back. You might also want to look at my question #1 in the FAQ section: http://www.washerdryercomboz.com/faq/#1 for some more information on installing a combo.

      Also you can try it out and see if there’s too much moisture: To tell if walls are damp from exterior water or condensation from humid interior air, tape a 2-ft. square sheet of plastic to the masonry below grade. If moisture collects on the front of the plastic, it is condensation.

      If you find out there’s too much of moisture, here are some possible solutions:

      1.) Insulating:
      Insulate surfaces where condensation is likely to occur, such as cold water pipes and ductwork. Installing continuous insulation along the foundation wall will help prevent air from cooling and reaching its dew point (see sidebar below). Having a continuous air barrier at the same location will also help.

      2.) Air sealing:
      Because air movement can carry potentially moist air into walls and ceilings caulking and foam sealing any gaps in the building envelope is a must

      3.) Dehumidifier:
      Install a dehumidifier to remove excess moisture from the air. For continuous dehumidifying connect the unit(s) collection reservoir to a drain.

      Hope that helps..

  • Philip Frey

    Hey Jaro, Great site and reviews. Thank you! I live in rural Maine and am wondering about the availability of parts and service for this machine. A local appliance and repair shop said it was hard to find parts for it. It was difficult to tell if they wanted me to buy their brands or not, as the did not carry LG. Thank you!

    • http://www.washerdryercomboz.com/ Jaro

      Hi Philip, regarding the service I would say that parts for LG should be easier to find than any other brand. With that said, the way how it usually works is that if you don’t have an LG service close to your location (http://www.lg.com/us/support/repair-service/find-repair-provider), your local repair service can simply order the necessary parts to repair from the nearest LG repair service provider.

      • Philip Frey

        Hi Jaro, Excellent! Thank you. I think I’m going to go with this model based on the reviews and as I have very limited space to put a machine, whether stackable or combo. Needs to be 24×24 max. Thanks, again.

  • Chi Wright

    Hi Jaro,

    Thanks so much for this site. What a life saver!

    One question: I need a ventless washer/dryer combo unit that where I can turn off all buzzes and beeps and that operates as quietly as possible. Which of your top 10 provide both these features?


    • http://www.washerdryercomboz.com/ Jaro

      Hi Chi, thank you very much for your message, it helped me improve my site even more as I realized I had to research this subject deeper as it’s important for a lot of people. I’ve just updated my site, and as you can see the first two washers in my top10 list (both LGs) seem to be the best choice for people looking for an especially quiet operation with an option to turn off the signalling totally. Even with it turned on, it shouldn’t bother most people as it’s just a nice little musical tone appealing to the ears – as most users say.