Water Distillers USA offers a complete line of water distillers, Y2K water distillers, Y2K food, Y2K foods, non-electric water distillers and solar-powered water distillers.
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This section answers many of the most frequently asked questions about water distillation, distillation versus filtering and reverse osmosis, water quality and the cost of water distillation versus other water sources.

If you don't find the answers your looking for, please contact us by e-mail or telephone and we'll be happy to get you an answer to your question.


1. How does a distiller work?
2. Why do I need a distiller if I have city water?
3. Is well water safe?
4. Does a distiller kill bacteria?
5. So why not just boil water on the stove?
6. What about minerals in water, are they not beneficial to my diet?
7. Isn't reverse osmosis and carbon filtration just as good as distillation?
8. How expensive is it to distill water in my home?

9. Isn't bottled water just as clean as distilled water?

Do you have a question about drinking water quality?
E-mail us, we'll do our best to get you an answer.  And, we may add your question to our 'Frequently Asked Questions' section. E-mail us at waterdistillersusa.com

How does a distiller work?
Distilling water is a very simple process. As water is boiled in the boiling chamber, steam rises from the boiling water and enters a condenser where, with the aid of a fan, the steam cools and returns to its liquid state as clean, healthy drinking water. The contaminants that were originally in the water before distilling remain in the boiling chamber as the process continues.

Why do I need a distiller if I have "city water"?
The city is charged with giving you water that meets standards set by the EPA.  While they usually do a good job of meeting those standards, occasionally problems occur.  For example, in 1993 cryptosporidium found its way into the municipal water supply in Milwaukee, Wisconsin causing 400,000 people to get sick.  Not only that, chlorine is typically used to control bacterial contamination in our water.  There are many people who believe that consuming chlorine is really unhealthy.

Finally, let's assume your local municipality does a great job of removing the bad stuff from your water.  The water enters your home through pipes in the street that may be contaminated or possibly through old lead pipes.   This once clean water is now contaminated and entering your home.  Also the pipes in your home maybe lead or have lead soldered copper.  The best way to provide healthy water for you and your family is to take charge yourself.  An in-house water distiller can ensure a continual supply of healthy, delicious water.

Is well water safe?
Well water may contain bacteria and other contaminants. The major advantage that municipally supplied water has over well-water is that it is unlikely to contain (living) bacteria and other micro-organisms.

Does a distiller kill bacteria?
Yes, the boiling process kills bacteria and other micro-organisms.

So why not just boil my water on the stove?
Convenience is one factor.  Do you really want to boil all your consumable water on the stove?  More important is the fact that as you boil the water the concentration of contaminants can be increased!   Example: If you take a gallon of water that contains a teaspoon of sand and boil away half of the water, the end concentration of sand to water will be a teaspoon to each half gallon...twice as much as you started out with!  All of the pure water escaped as steam and many of the contaminants, like lead, mercury, iron, calcium, magnesium etc. still exist in the pot of water.. 

What about those minerals, are they not beneficial to my diet?
The dietary benefit of the minerals found in water is the cause for a good deal of debate.  Some feel that those minerals are essential for good health.  Others believe that those minerals are not readily absorbed by the body; and that the best ways to get essential minerals is with a healthy diet and/or high quality vitamin/mineral supplements.  The problem with relying upon your water to provide minerals for your health is that it is an "all or nothing" proposition.  If you drink water that you think contains the minerals you desire, there's also the possibility that you're consuming the minerals that are harmful, like lead or mercury.   Therefore, we recommend distilling your water to remove the contaminants and then supplementing your diet with only the minerals you want to consume.  This way you really take control of what you put into your body.

Isn't reverse osmosis and carbon filtration about the same as distillation?
Not at all.  Carbon filters are designed to control pesticides, chlorine and other hydrocarbon based chemicals; and they do that very well. But these methods are not very effective at removing metals, bacteria or other micro-organisms.

Reverse osmosis is quite effective at removing metals but will not kill microorganisms. In fact, bacteria can begin to grow on a reverse osmosis membrane or on activated carbon.  Both systems require regular replacement of elements or membranes. The moment you place a carbon filter or reverse osmosis system into operation, its efficiency begins to drop off. A distiller kills bacteria and removes metals and many other contaminants consistently. As long as your distiller is running and properly maintained it will produce the same, high quality water forever.

Isn't it expensive to distill water? Doesn't a distiller use a lot of electricity?
Not really.  It takes about 3 kilowatt hours to make a gallon of distilled water.  A kilowatt = 1000 watts, a kilowatt hour is 1000 watts per hour.  The power company sells you electricity by the kilowatt; the average kilowatt cost is about 8 cents. Since the distiller will use three kilowatt hours to make a gallon of water the cost is about 24 cents per gallon.  That is a whole lot cheaper than bottled water and your sure of its purity.

Isn't bottled water just as clean as distilled?
The bottled water you buy may not be any better than your tap water.  In most states water bottling companies are not required to meet any government regulations unless the bottler ships the water across state lines.  Some bottled water is simply bottled tap water.  Also, if you buy 1000 gallons of bottled water a year at 89 cents a gallon, compared to distilling it yourself can save you $600 or more a year; and you'll have water that you know is of the highest quality.