Best Overall
Megahome Countertop Water Distiller
Key details
- Power
- 580 watts
- Capacity
- 1 gallon per batch
- Steam Path
- Stainless steel to glass bottle
- Distilling Time
- 5.5 hours per gallon
The stainless here isn't a trim detail. The boil chamber, the steam dome, and the condensing coils are all 304 steel, and the finished water drops into a glass bottle, so metal and glass are the only things the water touches from tap to storage. That's why this is our top pick. Distilling is hard on materials — hours of hot vapor, then a descaling scrub, then the same again tomorrow — and a machine whose entire steam path is built for that cycle is the one we trust to still be doing it in a few years.
A gallon takes about 5.5 hours at 580 watts, the slowest cycle in this group. That sounds worse than it is, because the run is unattended: fill it, switch it on, and there's a full bottle by morning. The rhythm that works is one batch overnight and a second during the day if someone is home. No distiller here gives you water on demand, and this one keeps up with a gallon-a-day household as long as you plan the night before.
The water is the part we keep coming back to. It comes out with no aftertaste and nothing registering on a TDS meter, and the glass bottle means you aren't undoing that by pouring it into plastic. Cleaning is the other quiet win: the chamber opens wide, scale lifts off after a citric acid soak, and the steel wipes back to new rather than holding a stain.
At 7 pounds and roughly 10 inches square, it moves between a kitchen counter and a laundry shelf without a fuss — more than we can say for the widest unit on this page. Nothing about it is fiddly, which is the nicest thing you can say about an appliance that runs for five hours while you sleep.
Pros
- All-stainless steam path, coil included
- Glass bottle keeps finished water out of plastic
- UL listed for the U.S. market
- Scale lifts off without heavy scrubbing
Cons
- One-year warranty at the highest price tier
Our default for a kitchen that wants a gallon of pure water a day: an all-steel steam path and a glass bottle, with the slowest cycle here as the price of admission.