As part of its ongoing Black Friday sale, Best Buy is offering the GE Profile 4.8 cu. ft. UltraFast Electric 2-in-1 Washer & Dryer with Ventless Heat Pump for $1,749.99 shipped.

Washer and dryer sets like the LG WashTower—which features a center control panel to operate both machines, a rarity among ...

The LG smart front-load washer spins at 1,300 RPM to extract more water before they go into the dryer, plus a turbo-wash setting uses spray jets to zip through a load in under 30 minutes.

But washer-dryer combos are hardly flawless, with some of their best attributes offset by drawbacks. Our tests revealed that these all-in-one machines wash better than they dry.