CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. When it comes to something like drain cleaner, you may ...

Ajay has worked in tech journalism for over a decade as a reporter, analyst, product reviewer, and editor. He got his start in consumer tech, breaking Android news at Newsweek before going to ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling.