Samsung WF7500 AddWash Washing Machine Review
We debunk AddWash, a feature that doesn't live up to the hype
About the Samsung WF50K7500AW
While Samsung's shorthand for this model is simply "WF7500," the full model number is "WF50K7500AW." That "AW" suffix denotes the white version of this machine, which carries an MSRP of $1,399.
About the Samsung WF50K7500AV
While Samsung's shorthand for this model is simply "WF7500," the full model number is "WF50K7500AV." That "AV" suffix denotes the "Black Stainless" version of this machine, which carries an MSRP of $1,499.
We measure cleaning performance in an objective manner. Instead of eyeballing stains, we use computers and sensors to judge stain removal. We start by using strips of cloth that have been mechanically dipped in various stains ranging from cocoa to pig's blood. Taking these strips, we place them in test loads of laundry made up of towels, bedsheets, and pillowcases. When the wash is done, each strips gets analyze by a photospectrometer, which determines how much of each stain is lifted.
Unsurprisingly, the Heavy Duty cycle did the best. The 1 hour and 40 minute cycle powered through all the stains we presented it, using 21 gallons of water and getting as warm as 117ºF. Whites cycle came in second place, removing 8% less stains than Heavy Duty. However, Whites crossed the finish line one hour. Normal came in third, lagging 10% behind Heavy Duty.
Delving into individual stains, the WF50 also followed pretty standard patterns. It did best against cocoa and protein stains. Cleaning both these stains require a well-honed temperature profile, meaning heating up the water at the correct time. The WF50 did the worst against oil and sweat stains. These two stains don't need finesse to clean, just lots of hot water.
Since doing laundry involves washing and drying, we view efficiency as a two-part process. Efficiency during washing involves water and watt meters. After taking into account average cost and use patterns, we concluded that the Samsung WF50K7500AW will cost around $31.61 a year to run. That's very typical of washer that pass the 4.5-cu.-ft. range.
A washer can also make it easier to dry your clothes. If a washer spins out excess water, then your laundry can spend less time in the dryer, one of the most energy-hungry appliances in your home. The WF50 did an okay job of getting laundry ready for the dryer. On average, it spun out 37% of a test load's weight in water. We like to see numbers closer to the 50%, so 37% is slightly below average.
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