Like most standalone washers and dryers, a stackable model usually comes with at least a one-year warranty. While it’s usually not recommended to opt for an extended warranty for freestanding washers and dryers, it can often be worth it for a stackable model. That’s because all-in-one or combined appliances are more likely to experience issues, so a three- or four-year extended warranty can help protect your investment. Some users decide to purchase a home warranty that covers most or all of their appliances. We recommend you read up on our research on the best home warranty;prior to any purchase, and also read home warranty reviews as needed as well.;