This Sub-$200 Window A/C from Frigidaire Is a No-Frills Workhorse That Shines in Small Rooms

6 min readLiving in a historic Pittsburgh home without central air means my family has to heavily rely on window air conditioners. Our house was built in 1904, with radiator heat and no ductwork, so every spring involves the annual hauling, lifting, shimming, and mild marital tension of getting window units into place before the first truly swampy week hits.Over the years, I’ve used several versions of Frigidaire’s small, simple window air conditioners, so I was excited to test the Frigidaire FFRA051WAE in my daughter’s room. While I’ve tested sleek, app-connected units with digital thermostats, scheduling, and voice controls, this unit is not that. Instead, it’s a compact, 5,000-BTU window air conditioner that uses just two dials.This basic setup means you can’t set routines or choose an exact temperature, but it also means you can pull it out of the box, install it, and understand how it works immediately. For anyone who does not want one more appliance begging to join your WiFi, that is a feature, not a flaw.After testing the Frigidaire FFRA051WAE in my daughter’s third-floor bedroom, I found it was exactly what it claimed to be: This is a basic, affordable window A/C that works best in small rooms. It cooled her 10-by-16-foot bedroom noticeably in about 15 minutes, and fully cooled the space in about 30. It’s louder and less customizable than smarter, more expensive models, but it’s easy to install, simple to operate, and priced low enough that those trade-offs feel reasonable.ProsEasy, app-free setup with simple mechanical dialsCools a small bedroom (150 sq ft) quickly without guessworkCompact and manageable to install, weighing about 35 poundsConsNo thermostat, timer, remote, app or smart schedulingKey SpecsCooling Area150 sq ftBTU5,000CEER11Dimensions12 x 16 x 13 in.Weight35 lbHow I TestedFrigidaire’s website says this A/C is good for rooms up to 250 square feet, but the box notes 150 square feet as the optimal size. The room I tested in is 160 square feet, so it’s basically right in this A/C’s sweet spot. Actual performance, however, depends on other factors like windows, sunlight, and insulation. Overall, this felt like the best size for her space.Her bedroom is in the third story of an American Foursquare, tucked under the eaves and covered by shingles. Her room gets hotter because of two factors: heat that rises through the house, and roof shingles above the room that absorb and radiate heat into the upper floor during the day. When bedrooms sit under the roofline, that can make a top-floor room feel stuffier and slower to cool than rooms below.We used the A/C during hot summer weather in a particularly rainy and muggy August, testing both fan speeds and multiple cooling settings. I tested the unit’s ability to maintain a cool feeling throughout the night, as well as its ability to cool the room after it sat stuffy, hot, and empty all day.Since this model does not have a digital thermostat, app, or remote, testing was blissfully uncomplicated. I adjusted the cooling dial and fan switches directly on the unit, noted how quickly the room felt comfortable, and paid attention to noise, airflow, setup, and whether the simple controls felt limiting in daily use.Installation Is EasyInstallation is also manageable because the unit is compact and weighs about 35 pounds. It is still a window air conditioner, so nobody is calling it fun, but it is far easier to maneuver than larger models like the GE Profile ClearView.The setup is foolproof. I installed the top support rail with four included Phillips-head screws, attached the side panels, and popped it into place. Foam and tape are included for a tighter fit, but we got a pretty good seal right out of the box.A slight tilt helps water drain away from the windowsill, and the placement of the top and bottom rails positioned it correctly without issue. There’s a removable filter you’ll have to remember to check, but it’s easy to wash and replace.The included window kit fits standard single- or double-hung windows, though, as with any window unit, older or nonstandard windows may require extra finessing.The Controls Could Not Be SimplerThe most notable thing about the Frigidaire FFRA051WAE is what it does not have. There is no app, no remote, no thermostat, no digital display—not even a timer. For some folks, that’s a drawback, but for others, it’s a selling point. In a world where it feels like a lot of smart appliances have made life too complicated, it’s nice to plug and play with this unit.Meg St-EspritThe A/C has knobs that control temperature and fan speed.Instead of an app, there are basic mechanical controls on the front of the unit. One dial controls the cooling level, while the other controls the fan speed. There are seven cooling levels and four fan settings: high fan, low fan, high cool, and low cool. It is very much a “turn the knob until the room feels good” situation.For some shoppers, this is going to feel too basic. If you want to set the room to 68 F before you leave work or schedule the A/C to kick on before bedtime, this is not your machine, and you should look at smarter models. In my daughter’s room, though, the simplicity was refreshing. At 8 years old, she can turn it on, adjust it, and understand the settings without needing adult help. This is a great window unit for tech Luddites, kids’ rooms, guest rooms, older relatives, college apartments, or anyone who just wants cold air without a digital commitment.It Cools a Small Bedroom FastIn my daughter’s 10 by 16–foot bedroom, the Frigidaire FFRA051WAE made the room feel noticeably cooler in about 15 minutes. That does not mean it fully brought the entire room down to a set temperature, especially since there is no digital thermostat to track that precisely, but the room went from stuffy to comfortable quickly. Within 30 minutes, the room was fully cool.That lines up with what many online reviewers say. Customers frequently praise this model for cooling small bedrooms, offices, and other enclosed rooms quickly. The FFRA051WAE comes in one 5,000-BTU size, though Frigidaire sells similar window units in larger capacities.This is not the unit I would choose for a large living room or an open first floor. It is a small-room problem solver. Since my daughter does not spend a lot of time in her room during the day, we don’t need to run an A/C on the third floor for hours on end as utility costs rise.I like that she can flip the dials before she brushes her teeth, and by the time we are reading stories, the room is comfortably cool. I actually found the room to be a bit icy in the mornings when she chose the highest settings—though she is generally burrowed under a down comforter, unconcerned.It May Be Loud for SomeIf you look at Amazon reviews for the product, you’ll see that many buyers repeatedly praise the product’s value, simple controls, bedroom use, and cooling performance. The negative reviews mostly fall into predictable categories: Some people find it louder than expected, some had installation issues, and some expected it to cool more space than a 5,000-BTU unit realistically can.In our usage, we found the unit to be louder than some other window units we’ve tested, but not oppressively loud. If anything, it serves as white noise to keep sleep peaceful.Final ThoughtsAs a writer who covers techy products, I find myself actually appreciating that the Frigidaire FFRA051WAE isn’t trying to be the fanciest A/C on the block. Its price is far below smart window units, saddle-style models, and higher-BTU machines. For a bedroom or small office, the value is evident.This unit is not exciting in the way some newer A/Cs can be—it doesn’t preserve your window view, connect to your phone, or let you set elaborate cooling schedules. It’s a basic window unit with mechanical controls and modest power.That’s also why I like it. After years of using different versions of this small Frigidaire A/C, the appeal remains the same—it’s easy to install and is effective in the right-sized room. In my daughter’s bedroom, it cooled the space quickly enough to make a real difference, and the steady low hum was not a dealbreaker.If you want smart features, an exact thermostat, or remote access from bed, you’ll likely want to look elsewhere. But if affordability is a must, and you’re looking to cool a small bedroom, office, or guest room, the Frigidaire FFRA051WAE is a practical little workhorse.Shop the Frigidaire FFRA051WAE Window Air ConditionerMore Window Air Conditioners We RecommendGE Profile Clearview Air ConditionerNow 24% OffMidea U-Shaped Window Air ConditionerBest for Open Space Living AreasGE 14,000 BTU Smart Window Air ConditionerMeg St-Esprit (she/her) is a freelance writer chasing down and covering the most interesting and quirky ideas about parenting, home design, education and travel. She lives with her husband, four kids and way too many pets in Pittsburgh. Her work has appeared in a variety of publications including The New York Times, Washington Post, Romper, Fodor's, and more. When she's not writing, she's definitely camping. Follow her on Twitter, on Instagram or at her website.Xavier Piedra is a Senior Reviews editor at Popular Mechanics, Runner’s World, and Best Products. Xavier’s previous experience includes editing shopping, home, and lifestyle content at major outlets such as Real Simple, Better Homes & Gardens, Popsugar, and more. When he isn’t thinking about the best products for readers, Xavier is likely watching the latest flicks at a nearby AMC, or filling out his physical video game collection.