The main difference between the two is that electric towel warmers use—you guessed it—electricity, while hydronic towel warmers use hot water from your plumbing system to heat its exterior bars.

To find the best towel warmers on the market, we tested 29 towel warmers, evaluating each on setup, design, performance, features, and overall value. We also spoke to Maclaren-Taylor and Akkins to get ...