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2.2 cu. ft. Capacity Over the Range Microwave Oven with 1100 Cooking Watts, Non Ducted Venting, 400 CFM, EasyClean Technology, SmoothTouch Controls, ExtendaVent 2.0 in Stainless Steel


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Quick Specs:

  • Width: 29.875"
  • Height: 17.9375"
  • Depth: 15.875"

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  • List Price: $453.91
Price: $394.70
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This LG over-the-range microwave offers the ultimate cooking experience and comes packed with many different features, making it perfect for any kitchen! This microwave has a 2.2 cu. ft. interior capacity and a 400 CFM Venting System.  The sensor cooking controls automatically adjust time and power. Available at AppliancesConnection


ExtendaVent™ 2.0
Where most over the range microwaves only cover the rear of the cooktop, ExtendaVent™ 2.0 provides powerful ventilation over the entire cooktop, back to front

LG's EasyClean™ interior resists stains and buildup, so cleaning your microwave doesn't have to be a chore, simply wipe with a damp cloth - no chemicals, no scrubbing, no problem

Sensor cook
Eliminate the guesswork in cooking; humidity-sending technology determines when food is cooked and automatically turns off the microwave to help prevent the over or under-cooking of meals

Eco-on feature
Saves energy by turning off the display when not in use; the display will turn off when the unit is not active for 5 minutes; when this feature is in use the power consumption drops to below 0.1 watts

Automatically defrosts for a specified amount of time

1-touch settings
Makes it easy to cook and warm a variety of foods, from a cup of coffee to chicken nuggets

Add time controls
Adds cook time in 30 second or 1 minute increments

IntuiTouch™ controls
Offer fast and simple touch operation

With an Over-the-Range Microwave Oven, strong ventilation is key. That’s why LG has created the QuietPower vent, which does the job quietly, without interrupting your life. 

Reduce smoke and lingering cooking smells with LG’s enhanced ExtendaVent™ 2.0. Where most over-the-range microwaves only cover the rear of the cooktop, ExtendaVent™ 2.0 provides powerful ventilation over virtually the entire cooktop, back to front. That’s what we call clearing the air 


Oven Capacity 2.2 cu. ft.
Watts 1,000
Exterior Design WideView™ Traditional
Control Type Digital
Display SmoothTouch™ Glass Controls White, VFD Scrolling, 2 Line
Sensor Cook Options 8
Power Levels 10
Defrost Auto, Time and Rapid Defrost
Reheat Sensor Reheat
Popcorn Key Yes
EZ-On Yes
More/Less Yes
Melt/Soften Yes
Custom Set Yes
EasyClean® Yes
Energy Savings Key Yes
Bi-Level Cooking Rack Yes
Turntable Type DDS
Turntable Diameter 14.2"
Turntable On/Off Yes
Clock Yes
Kitchen Timer Yes
Completion Beeper Yes
Lighting LED
Child Lock Yes
Filtration Charcoal Filter
Vent Grill Type Hidden
Vent Air Flow (CFM) 400
Power Levels 4 (Hi/Mid/Low/Off)
Available Colors Stainless Steel (ST)
Interior Color Grey
Interior (WxHxD) 22" x 11 5/8" x 14 5/8"
Exterior (WxHxD) 29 7/8" x 17 15/16" x 15 7/8"
Shipping Qty. 288 sets / 40ft.
Shipping (WxHxD) 33 1/2" x 20 3/4" x 20 1/2"
Net Weight (lbs) 73.5 lbs
Shipping Weight (lbs) 78 lbs
Limited Warranty 1 Year Parts and Labor (In Home Service) 10 Years Limited on Magnetron (In Home Service)
UPC 048231 318983



  • Brand:LG
  • SKU:LMHM2237ST
  • UPC:048231318983
  • Stock Id:356196


  • Color:Stainless Steel
  • Capacity:2.2 cu. ft.
  • Style:Over the Range
  • Venting Type:Non Ducted


  • Convection:No
  • Volts:120 Volts
  • Cooking Watts:1100
  • Amps:15 Amps
  • CFM:400


  • Child Lock:Yes
  • Turntable:Recessed
  • Quick Cook:Yes
  • Sensor Cook:Yes
  • EasyClean Technology:Yes
  • SmoothTouch Controls:Yes
  • ExtendaVent 2.0:Yes


  • Width:29.875"
  • Height:17.9375"
  • Depth:15.875"

    Technical Details

  • Weight:73.5 lbs.
  • Control Type:Electronic touch pad
  • Power Levels:10
  • ADA Compliant:No
  • Delay Start:Yes
  • Kitchen Timer:Yes
  • Number of Speeds:4
  • Light:Yes
  • Defrost Type:Yes
  • Door Swing:Left Swing
  • Commercial:No
  • Turntable Diameter:14.2"
  • Number of Racks:1
  • CSA Safety Listing:No
  • ETL Safety Listing:No
  • Cooktop Light:Standard (incandescent)
  • Convection Oven:No
  • UL Safety Listing:Yes
  • Wattage (Watts):1100
  • Non-Stick Interior:Porcelain Coated
  • Child Safety Locks:Yes
  • With Turntable:Yes
  • Microwave Size:30"
  • Controls Location:Bottom
  • Reheat:Yes
  • Speed Cook:Yes
  • Steam Cook:No
  • Interior Light Type:Standard (incandescent)
  • Exhaust Fan Maximum Capacity (CFM):400.0
  • Number of Vent Speeds:3
  • Recirculating Filter:Yes
  • Convenience Cooking Controls:Yes
  • Kids' Menu Option:Yes
  • Number of Convenience Control Pads:14
  • Grilling Option:No
  • Melting/Softening Option:Yes

With the new EasyClean interior, you can have quick and high performance cleaning inside and out without using chemicals.

With an Over-the-Range Microwave Oven, strong ventilation is key. That’s why LG has created the QuietPower vent, which does the job quietly, without interrupting your life.

LG offers the perfect harmony of style and convenience with intuitive SmoothTouch controls. These attractive centralized electronic controls are easy to use and effortless to wipe clean.

ExtendaVent 2.0

Ventilation for the entire cooktop or range. Most over-the-range microwaves only capture smoke from the back burners of a cooktop or range. The ExtendaVent from LG covers the entire cooking surface, including the front burners, for better, more complete vent

One Touch Settings

Makes it easy to cook and warm a variety of foods - from a cup of coffee to chicken nuggets.

Energy Saving

This product saves energy by turning off the display when not in use. The display will turn off when the unit is not active for 5 minutes. When this feature is in use the power consumption drops to below 0.1W

Associated Service Corporation ASA

10 Year Major Component Warranty


Qty: Add to Cart Free Shipping

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Bundle and save up to $1200 on LG Appliance Package

LG Kitchen Appliance Saver Package Builder is the easiest way to build a great deal on refrigerators, dishwashers, ranges and built in appliances all on one simple page to use. Buy four (4) eligible kitchen appliances: refrigerator, range/wall oven, microwave oven/cooktop and dishwasher and save up to $400

(Valid: 12/21/16 - 05/03/17) Build Your Bundle & Save

Current Rebates

LG Winter Kitchen Bundle Up To $400 Rebate

Consumers purchasing four (4) eligible LG Kitchen Major Appliance models between December 21, 2016 and May 03, 2017 will be qualified to receive up to $400 mail-in rebate. Must purchase one item from the following categories: Refrigerator, Range/Wall Oven, Microwave/Cooktop and Dishwasher. This offer cannot be combined with any other special programs or rebates.
Save your time and Submit Claim Online

(Valid: 12/21/2016 - 05/03/2017) Download Rebate Form

LG - January Rebate with Bonus Up To $75

Bonus: Earn up to $75 with the purchase of washer and dryer pair or qualifying Range and Over-the-Range Microwave;

Must purchase between January 1 - January 31, 2017

(Valid: 01/01/2017 - 01/31/2017) Download Rebate Form

Expired Rebates

LG - December Rebate with Bonus Up To $75

Bonus: Earn up to $75 with the purchase of washer and dryer pair or qualifying Range and Over-the-Range Microwave;

Must purchase between December 1 - December 31, 2016

(Valid: 12/01/2016 - 12/31/2016) Download Rebate Form

Please Note: It is the sole responsibility of the customer to download, fill up and mail the rebate within the allotted time period. Please make sure to follow all instructions. AppliancesConnection cannot be held responsible for rebates which are denied or not claimed.

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Shipping Methods & Details

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LMHM2237ST 30" Over-the-Range Microwave Oven with 2.2 cu. ft., 400 CFM Venting System, Sensor Cooking, EasyClean, ExtendaVent, QuietPower Ventilation System, and 1-touch Settings in Stainless Steel is rated 4.6 out of 5 by 73.
Rated 5 out of 5 by from GREAT VENTILATION DESIGN I could not be happier with this unit. Was worried that only having one light underneath would not be substantial, but was pleasantly surprised about how bright the one LED light is. The pull out vent is the ultimate design for getting cooking odors out of the house as it pulls foreward to ventilate the front burners of the stove. We enjoy cooking and cook alot and venting out was always a problem with the previous over the range microwave we had. This has a powerful and quiet 4 speed fan that really pulls the smells out of the house. (we vent to outside) Very powerful microwave, cooks much faster than the old one. I highly recomend this unit.
Date published: 2014-10-31
Rated 5 out of 5 by from SUPER MICROWAVE We've owned quite a few microwave's since there invention. This one however stands out amongst the rest. I have never owned one that is so quite. It does a fantastic job. It's extremely easy to use and has outstanding features. We've owned this microwave about 3 months now and love it. Kudo's to LG for coming up with such a fantastic product. We are so impressed that we recently bought an LG refrigerator. We'll review it once we've owned it for a while.
Date published: 2015-07-11
Rated 1 out of 5 by from Needs more that the 30 inches wide as advertise. When the door is open it needs at least 31" of clearance. Beware if you have any walls or cabinets sticking out past the left (hinge) side. The door will not open. Life is Bad
Date published: 2015-07-20
Rated 5 out of 5 by from Nice-looking microwave that works well. We are very happy with this microwave. Having the "buttons" on the bottom took a bit of time to get used to, especially for the kids. Interestingly, the fan has turned on automatically every time I have run the self-clean cycle on my LG range and it starts to get hot and smoky - a feature I was not expecting at all! The only thing I don't like about the microwave is the light - I would prefer to have a warm LED bulb rather than the glaring blue-white one. (This is such a minor thing that I haven't even bothered to figure out if I can replace it, so I doubt it would be a deal-breaker for many people.) We get so many compliments on the microwave's appearance - I've recommended it to everyone I know who is considering new appliances.
Date published: 2014-12-15
Rated 5 out of 5 by from LG Amazing with all features and ease to use! Life is Good with LG. Love even more than the G.E. Advantium micro/oven in previous house.. The exhaust fan levels for power the best I ever had in my 52+ yrs. of cooking. The excellent light over the stove for these aging eyes a pleasure to enjoy cooking with ease. Thank U ~ LG ~ for a most wonderful product!
Date published: 2015-07-25
Rated 2 out of 5 by from I'm really disappointed! My microwave is less than two weeks old. The vent does not even pull enough exhaust to hold up a tissue and the extenda-vent already broke and will not lock back into place. Taking forever to find out about the little part that needs to be replaced. I'm ready to just take this back to the store but don't want to give up on LG. Hoping they can set this right.
Date published: 2015-04-03
Rated 5 out of 5 by from Well built with a variety of features. We bought this make/model to replace a similar microwave that lasted us approx. 7 years. The microwave is very well packaged in order to protect it from general shipping and banging, I mean handling. You should heed caution after removing the contents and read the installation instructions prior to drilling holes, hammering wall anchors, or driving screws. Unless of course you do these installs on a professional basis, at that point, I say have at it. The install was a breeze for me as I took the time to read the installation instructions. I'd say I have a decent amount of DIY experience in this area so I had no need for the installation templates they supplied. A few simple measurements, new holes drilled, screws driven, a little muscle and it was in place. Upon operation the microwave is extremely quiet. The exterior of the stainless steel has the "easy clean" logo on it and they aren't joking. A couple of wipes with a damp cleaning cloth and it's as if hands never touched it. The different cooking, thawing, and reheating features are very nice. The defrost/thawing system is the best I've use. It truly defrosts with out cooking. The venting system is a force to be reckoned with if you are steam or smoke. It should say hurricane speed instead of turbo for the highest fan speed. The extended range filter seems to work just fine and saves the above cabinetry from a hot steam bath. No to mention that it can be pushed out of the way when not in use. The buttons take very little pressure to activate, which I find quite agreeable. Bottom line: The product is worth its price. I am a believer that you usually get what you pay for. If it were not so, I would bare witness to the honest truth. I have had no troubles thus far.
Date published: 2015-03-03
Rated 5 out of 5 by from A Really Great Microwave Bought this microwave in mid-December 2014 and installed it a few days after receiving it above a new double over LG gas stove. I really love the feature that extends the ventilation over a greater surface area of the stove below. The installation instructions were really good and the templates for where to drill holes and how to modify how the microwave vents was excellent. The ventilation fan is powerful but is not noisy. The microwave interior is very nice and it is large. I have nothing negative to say about this LG product. If you get one you will be very happy with it.
Date published: 2015-01-25
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