Frigidaire FMOS1846B 30 Inch Black OTR Microwave w/ 300 CFM

Frigidaire FMOS1846B 30 Inch Black OTR Microwave

amazon.com
4.3 (29 reviews)
In Stock
$279.00
Updated: August 3, 2026
Price as of Aug 3, 2026. We earn from qualifying purchases.

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When you’re simmering sauces or reheating leftovers above your 30-inch cooktop, good ventilation and quick access make all the difference. This 1.8 cu. ft. microwave delivers with 1500 watts, 10 power levels, convenient quick start options, and a 300 CFM fan across two speeds to pull away steam and odors. You’ll notice the LED lighting right away for spotting drips on the cooktop during evening prep, and while the push-to-open filter door with its indicator light keeps changes straightforward, it takes a brief moment to get the push motion down instead of twisting.

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Who Is This Product For?

This over-the-range microwave suits homeowners in their mid-30s to mid-50s updating kitchens in suburban homes, especially those with standard 30-inch ranges common in the Sun Belt or Midwest. Families with school-age kids or empty nesters dealing with older homes from the 80s or 90s often pick it during range installs or when the current unit fails. They cook most evenings-reheating leftovers, defrosting for weeknight meals, or boiling pasta-and need decent ventilation to handle steam and odors without a separate hood. Pain points include greasy filters that clog monthly during busy frying sessions, dim cooktop lighting at night that hides spills, and counter space already taken by kids’ lunch prep.

Key Features & Benefits

1.8 Cu. Ft. Capacity with Glass Turntable

The 1.8 cubic feet interior fits a standard dinner plate or casserole dish alongside a glass turntable that’s 12-3/8 inches across for even heating. In real use, this handles family-sized reheats without stacking food awkwardly, which helps during hurried evenings when juggling homework and dinner. Over time, the turntable’s smooth spin reduces hot spots in frozen meals compared to smaller units.

1500 Watts and 10 Power Levels

With 1500 watts across 10 levels, it heats or defrosts efficiently without overcooking edges. This matters most for quick tasks like softening butter or thawing chicken, where lower levels prevent rubbery results. Users notice steadier performance after repeated cycles, making it reliable for daily routines rather than just occasional use.

300 CFM Ventilation with 2 Fan Speeds

The 300 CFM exhaust fan on two speeds pulls steam and frying smells from the cooktop below. It clears the air during pasta boils or stir-fries without overwhelming noise on low, a trade-off since high speed can hum noticeably in open kitchens. This combo saves installing a separate hood, freeing up space above the stove.

Push-to-Open PureAir Filter Door and Indicator

The door pushes open for easy filter access, and an indicator light signals when to swap the included PureAir filter. Greasy kitchens mean monthly changes to avoid odors, and this setup cuts the hassle-no tools or wrestling clips. After a few months, people appreciate how the light prompts timely swaps before smells build up.

LED Lighting Inside and Out

Bright LED lights illuminate the interior during cooking and the cooktop below for better visibility. At night, this spots spills or simmering pots without fumbling for overheads, a small daily difference in dim setups. The exterior light aids prep work, though it draws a bit more power when left on.

Quick Start Cooking Options

One-touch buttons launch common tasks like popcorn or beverages instantly. For weeknights, this shaves seconds off routines, letting you focus on sides while it runs. It’s not for complex recipes but speeds up the basics when multitasking.

What to Consider When Buying

Focus on how it fits your space and routine-measure your cooktop area precisely since it’s 29-7/8 inches wide, 16-3/8 inches high, and 15-3/4 inches deep to ensure clearance above the range. Think about electrical setup too: it pulls 13.5 amps at 120 volts, so check your circuit. Usability comes down to the digital display for easy reading, but ventilation strength matters if you fry often.

  • Common mistake: Skipping dimension checks, leading to install headaches over cabinets.
  • Overlooking fan noise on high-test in-store if possible for open layouts.
  • Ignoring filter maintenance needs, as forgetting clogs vents faster in oily cooking homes.

How to Choose the Right One

Start with your cooktop width-match 30-inch models if that’s your setup. Next, prioritize vent CFM over wattage if steam is your issue; 300 CFM handles moderate cooking. Use this checklist: Does the capacity fit your plates? Is filter access simple for your cleaning habits? Will LED lights solve your visibility gripes? Compare heights for cabinet fit, and pick based on power draw matching your wiring. Narrow to units with indicator lights to avoid guesswork on upkeep.

Why This Is a Smart Choice

It combines microwave and venting without eating counter space, which pays off in smaller kitchens over years of use. The filter indicator and easy door mean fewer odor surprises, and LED visibility cuts nighttime mishaps. Realistic perks build gradually-like smoother defrosts after a month-balancing solid performance with expected fan hum on high. For standard ranges, it integrates without major mods.

Care & Maintenance Tips

Regular wipes keep it running smooth, focusing on the filter and turntable where splatters land first.

  • Push the door monthly to check the PureAir filter-swap when the light flashes to prevent weak venting.
  • Wipe the glass turntable after messy melts; it lifts out for soaking, avoiding buildup over time.
  • Clean vents with a vacuum hose quarterly, as grease accumulates from below despite the filter.
  • Avoid blocking LED lights with foil-dimming happens if covered during long cooks.

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FAQs

Q: Will this fit over my standard 30-inch range?

A: At 29-7/8 inches wide, 15-3/4 inches deep, and 16-3/8 inches high, it slots into most standard 30-inch cooktop spaces without issue. Just confirm your cabinet height above the range, as installation typically needs about 30 inches of clearance. Homeowners swapping out older models often find the footprint matches up closely.

Q: How does the vent fan perform when frying or boiling?

A: With 300 CFM across two fan speeds, it pulls steam and odors effectively for routine stovetop cooking like pasta or burgers. The low speed handles lighter tasks quietly, while high clears heavier grease buildup. Keep in mind the jump between speeds means no middle ground for very fine control.

Q: Changing the filter-how straightforward is that in a busy kitchen?

A: The push-to-open door makes it simple; just press and swap the included PureAir filter in under a minute without tools. The indicator light flashes when it’s time, usually every month or so depending on cooking frequency. This setup cuts down on forgotten changes that lead to lingering smells over time.

Q: Are the LED lights useful for checking the cooktop in the evening?

A: Interior and exterior LED lighting provides clear visibility over the cooktop, making it easier to spot spills or stir pots after dark. It’s a step up from dim halogens, illuminating without much glare. Daily users notice the difference most during late-night snacks or cleanup.

Q: For quick weeknight reheats, how do the start options work?

A: Quick start buttons cover common tasks like popcorn, pizza, or beverages, getting meals ready in minutes with the 1500-watt power and 10 levels. Pick a level to fine-tune for denser foods if needed. It streamlines routines without scrolling through menus every time.

Q: What’s the turntable like for larger dinner plates?

A: The 12-3/8-inch glass turntable accommodates most standard plates or a casserole dish for family reheats. Rotate it manually if something oversized fits loosely. Over repeated uses, wiping it down keeps rotations smooth without sticking.

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