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2.2 cu. ft. Over the Range Microwave in Stainless Steel with Sensor Cook
  • LG Electronics
  • Model # LMHM2237ST
  • Internet # 205178387

2.2 cu. ft. Over the Range Microwave in Stainless Steel with Sensor Cook


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Discontinued Model


LG Electronics

Model # LMHM20

Internet # 202192437

2.0 cu. ft. Over the Range Microwave in Stainless Steel

This item has been discontinued.
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Model # LMHM20

Internet # 202192437

Store SO SKU # 803069

The LG Electronics 2.0 cu. ft. Over-the-Range Microwave utilizes humidity-sensing technology to determine when food is cooked and automatically turns off the microwave to prevent over- or under-cooked meals. The microwave's QuietPower system ventilates the microwave without interrupting your life, and its Extenda Vent covers the entire cooking surface to provide greater ventilation.

  • 2.0 cu. ft. capacity fits a variety of dishes and dish types
  • 1,100 Watt of power deliver fast, effective cooking. 10 power levels and 7 sensor cook functions offer a variety of cooking options
  • LG revolutionizes microwave cooking with the introduction of Warming Lamp technology - The warming lamp uses a radiant heating element to keep food warm, as opposed to microwaves or a hot bulb; Can keep your entrees warm for up to 90 minutes
  • Sensor cooking system uses humidity-sensing technology to determine when food is cooked and automatically turns off the microwave to help prevent over- or under-cooked meals
  • Monitor Style, horizontal digital control panel has a VFD scrolling display for a sleek look and ease of use
  • Auto, time and rapid defrost options help you quickly thaw fridge or freezer items Melt-and-soften functions soften butter, chocolate and other foods and help prevent burning
  • QuietPower Ventilation - 400 CFM exhaust fan with 3 power levels (Turbo, High, Low) for efficient odor and smoke control, and it does the job quietly without interrupting your life
  • Extenda Slide Out Vent covers the entire cooking surface to provide added ventilation
  • Custom Set Option for added convenience
  • Turntable on/off feature uses dual distribution technology to improve the circulation of microwaves with a top stirrer fan. Turntable provides even, thorough cooking and defrosting
  • Incandescent cooktop lights for your convenience, and there is a nightlight option, too
  • Vent is hidden to create a more elegant, seamless appearance and the professional design offers accessibility and a modern, stylish asymmetrical look.
  • Click Here for details on the services included with Delivery & Basic Hook-up and Installation options for Major Appliances

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The Home Depot Protection Plan

  • If we can't repair it, we'll replace it - with a fast, Home Depot eGift Card
  • Food loss reimbursement up to $300 per claim on refrigerators and freezers
  • 25% reimbursement on parts for preventative maintenance
  • No lemon policy
  • No deductibles on repairs
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Assembled Depth (in.) 
33.12 in 
Assembled Height (in.) 
20.75 in 
Assembled Width (in.) 
20.25 in 
Capacity of Microwave (cu. ft.) 
Cut-Out Front to Back Depth (in.) 
15.87 in 
Cut-Out Height (in.) 
17.75 in 
Cut-Out Left to Right Width (in.) 
30 in 
Microwave Size 
30 in. 
Product Depth (in.) 
Product Height (in.) 
Product Width (in.) 
Turntable Diameter 
14.2 in 
Appliance Type 
Over the Range Microwave 
Stainless Steel 
Color/Finish Family 
Door Swing/Style 
Right to Left Swing 
Exhaust Fan Speeds 
Exhaust Maximum CFM 
Microwave Door Release 
Microwave Features 
Charcoal Filter,Clock,Cooking Light,Cooktop Lighting,Interior Light,Microwave Rack,Nightlight,One Touch Cooking,Removable Filter,Safety Lock,Timer,Turntable,Turntable On/Off Option 
Number of One-Touch Settings 
Number of Power Levels 
Oven Settings 
Defrost,Sensor Cook 
Product Weight (lb.) 
73.5 lb 
Sensor Cook 
Vent Type 
Wattage (watts) 
Warranty / Certifications
Certifications and Listings 
4-UL Certified,ETL Listed 
Manufacturer Warranty 
Full 1 Year Parts and Labor, 10 Years Limited On Magnetron 
Safety Listing 


Rated 4.3 out of 5 by 142 reviewers.
Rated 5.0 out of 5.0 by Great microwave with some excellent features Considering the spotty reviews many microwaves get, we are very pleased with this unit we finally decided on. Basic microwave functions work very well: EZ timer, cooking modes, and defrost is right on the money. It is quiet and more powerful than our previous model. Super features: 2 lights that, when we changed up to 40w from 30w give lots of light. Powerful fan with clever slideout intake that get's the front burner smoke. And the food warming feature is an incredibly useful idea. This was part of a kitchen remodel and we are very pleased with it's looks and performance. September 6, 2011
Rated 2.0 out of 5.0 by LMHM2017SW worked for 10 minutes only!!! We decided to take back to Home Depot because the unit quit working after one week and 10 minutes of cook time. It was a very attractive microwave and was flawless, other than the typical misaligned vent which was no big deal and is standard on all. We would have replaced with the same model if LG had this in stock at this time. I think things worked out for the best because we figured out the extenda vent is not very practical. It made cooking awkward because you had to stand to the side to see your pots on the back of the stove because the vent blocked your view and arm range. Also, after reading other reviews on the vent cracking and melting, we just decided we would pass on this particular model. We rated this microwave a 2 because of the appearance and because we love Home Depot for helping us out with this big problem. April 17, 2012
Rated 5.0 out of 5.0 by Fully Featured and Easy to Use The microwave was delivered on time; the old unit removed and the new one installed faster than I could have unpacked it. LG makes a number of highly rated appliances and this microwave is no exception. The product I purchased appears well made and is operating flawlessly. This model has all the standard features you would expect plus a warming lamp and extended range hood that works almost as effectively as an external venting system. The controls and preset cooking options are very intuitive and most can be used without reading the manual. September 21, 2011
Rated 3.0 out of 5.0 by Pretty, but not powerful I have this over the range microwave in stainless steal and while it is pretty and matches my LP gas/convection range, it is way less powerful than the old microwave we replaced it with. So much so that I have to add time to nearly everything I make to get it to cook properly. I wish it came with a beverage setting to warm up coffee! It can warm up a plate, but not coffee (with one button.) August 24, 2012
Rated 1.0 out of 5.0 by BUYER BEWARE We ordered this micro in stainless in Sept 2010 finally after the 3rd attempt in mid Oct. we finally got one that worked(mind you they took the old one so we had no vent fan for cooking) Seemed ok until I was cooking X-mas dinner and wouldn't you know the display went crazy. It was flashing and swirling and the micro. would not work. Well it is Feb 18 2011 and LG has sent the repair person 2 new doors and both times neither worked. I think it is clear that since we have had 3 micros and then 2 doors that this has got to be the worst micro out there. February 18, 2011
Rated 5.0 out of 5.0 by All that I was expecting I was replacing a 17 year old microwave that died. Upon reviewing the major brands of ovens, I was drawn to the LG's features, mainly Extenda, Quiet Vent, and the warming mode. Of all the makes that I reviewed, LG appears to be the only one that offers a 10 year warranty on the tube. After installing the oven myself, I can say, that the LG appears to be well made and carefully assembled with attention to detail and fit. I used the existing external venting duct work, and can report that the 400 cfm Quietpower vent performs as advertised in regard to volume and quietness. The Extenda hood appears to have plenty of draw. The microwave itself is quiet while in operation. Judging by the fore mentioned features, I'll be more than happy with the rest of the product. December 1, 2010
Rated 4.0 out of 5.0 by Very Pleased We purchased this unit on several points: larger capacity, increased ventilation, simple controls, and controls mounted lower. Generally we are happy with the performance of the unit, but it's only been in service for a few weeks so we haven't given it a thorough workout yet. It's physically larger than our old microwave and for me (6' tall) it cuts off my view of the range top controls compared to the unit it replaced (which I'm adjusting to). Fit and finish are good. January 17, 2012
Rated 4.0 out of 5.0 by Satisfied costumer We purchased this microwave in white 5 months ago. Like its clean lines and modern design, easy to operate and the keep warm features. Not as quiet as we expected and the touchpad had some contact problems initially when the display went awry and the micro did not work. Fortunately this problem resolved after some firm swipes of the touchpad. Overall we are satisfied with its quality and performance. June 27, 2011
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