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Clean drinking water is more than a convenience — it's a health investment. Whether you live in a city with aged plumbing, a rural area with well water, or you simply want an extra layer of protection against chemicals and microbes, a good water distiller or filtration system can make a noticeable difference. In this guide, I’ll walk you through top U.S. retailers that sell reliable water distillers and filter systems, explain the differences between technologies, and give practical buying and maintenance tips so you get pure water without surprises.
If you’ve ever boiled water and collected the steam, you’ve seen distillation in action. Distillation vaporizes water and condenses it back to liquid, leaving many contaminants behind. Filtration, by contrast, uses physical or chemical media — like carbon, reverse osmosis membranes, or ceramic — to remove particulates, chlorine, heavy metals, and other unwanted compounds. Each approach has pros and cons, and many people pair a distiller with a post-filter to polish taste and mineral balance. Want a simple rule of thumb? Distillation is a broad-spectrum purifier; filtration is targeted and often faster.
Below are reputable places to shop for water distillers and filters. I focus on stores that offer range, customer reviews, warranties, and helpful product information so you can compare models with confidence.
Pure Water US is known for dedicated water distillation units and accessories. If you want a store that focuses heavily on distillers and specialist filtration parts, Pure Water US is a top pick. They tend to carry countertop distillers, glass collection options, and replacement components like activated carbon post-filters. For buyers who prefer models designed specifically for home distillation, this type of specialist retailer makes comparisons easier and provides detailed specs in gallons per cycle and dimensions in inches.
Amazon is a go-to for shoppers who want fast browsing, user reviews, and competitive pricing. You’ll find everything from compact 1-gallon per 6-hour countertop distillers to larger systems that produce multiple gallons a day. The upside is choice and quick shipping; the downside can be too many options and variable seller reliability. If you shop on Amazon, filter by seller reputation and check verified buyer photos and reviews to avoid surprises.
Home Depot carries a selection of household filtration systems and some water distillers, and it’s particularly useful if you want in-person inspection. Their inventory often includes under-sink reverse osmosis systems, point-of-use filters, and professional-grade components measured in inches and gallons. If you’re pairing a filtration system with a new sink or plumbing work, Home Depot’s combination of online specs and store support can simplify installation planning.
Lowe’s is another national home-improvement chain that stocks reputable filter brands and under-sink systems. If your project will need installation hardware, shutoff valves, or replacement filters in the future, Buying from Lowe’s lets you get everything in one run. Look for units that list flow rate in gallons per minute and detailed cartridge replacement intervals so you know how often to plan maintenance.
APEC is a brand-store favorite for reverse osmosis systems that pair well with post-filters to improve taste after RO processing. While APEC focuses more on RO than distillers, their systems are robust, often producing multiple gallons per day. If your water issue is heavy dissolved solids or high total dissolved solids (TDS), an RO system from APEC might be a better match than a distiller.
Megahome and Waterwise specialize in countertop water distillers for home users. These brands offer predictable performance numbers — for example, many countertop units produce about 1 gallon every 5 to 6 hours — and they often come with glass collection bottles and carbon post-filters to improve taste. If you want a compact unit that fits on your counter and produces distilled water for drinking and cooking, these brands are easy to find online and in specialty retailers.
Pelican (now often called Pentair Pelican) and iSpring focus on whole-house and point-of-use filtration systems. They provide options from sediment pre-filters to carbon and UV treatments. These brands are best if you want consistent filtration across multiple faucets or need a dedicated drinking-water tap paired with an RO or carbon system under the sink. They typically publish specifications in gallons per minute and tank capacities, so you can match system performance to household demand.
Picking the right system starts with knowing what’s in your water. Have your water tested for TDS, lead, chlorine, VOCs, and hardness. Distillers remove most inorganic contaminants and many organics, but they strip out minerals too. Filters like carbon or RO focus on chlorine, taste, and certain dissolved particles. If your water test shows heavy metals or chemical contaminants, distillation or RO is often superior. If taste and chlorine are your main concerns, activated carbon filters are effective and cheaper to maintain.
How much distilled or filtered water do you use each day? A single person might need just 1 to 2 gallons for drinking and cooking, while a family of four might need 8 to 12 gallons for similar uses. Distillers often produce 1 to 4 gallons per day, depending on model and runtime. Reverse osmosis systems with a storage tank can deliver multiple gallons quickly, so match the output in gallons per day to your household routine.
Countertop distillers need a few square feet of counter space and a nearby outlet, and they produce heat during operation. Under-sink RO and filter systems require cabinet space measured in inches for tanks and filter housings and may need a dedicated faucet. Whole-house systems typically install at the point where water enters the house and involve more plumbing, so factor in clearance and pipe access before you buy.
When you’re comparing models on Pure Water US, Amazon, Home Depot, or brand sites, keep an eye out for these critical features.
Look for stainless steel boilers, glass collection containers, and BPA-free plastics where applicable. Stainless steel resists corrosion and lasts longer than cheaper metals. Glass collection bottles are preferred by many because they don’t leach flavors and are easy to clean. Make sure tanks and housings list dimensions in inches and material specs so you can evaluate durability.
Distillation can be energy-intensive because it relies on boiling. Check wattage and expected cycle time — for countertop units, many require roughly 500 to 1200 watts and take 4 to 6 hours to produce 1 gallon. Filters and RO systems don’t use as much electricity but may waste water: some RO units can use 2 to 4 gallons of feed water for every gallon produced. If energy bills are a concern, compare operating cost estimates in your decision matrix.
Search for NSF or WQA certifications, which indicate independent testing for contaminant reduction claims. Not every distiller or filter will have NSF certification for all claims, but manufacturers that publish lab reports or certification numbers inspire confidence. If a seller lists reduction rates for lead, VOCs, or bacteria, verify those claims through third-party documentation when possible.
Buying the right unit is step one; keeping it running is step two. I’ll share practical tips that save time and extend equipment life.
Distillers need periodic cleaning to remove mineral scale — frequency depends on your water hardness and how much you use the unit. Glass collection bottles and carbon post-filters should be cleaned or replaced per the manufacturer’s schedule, often every 3 to 6 months for carbon filtration. RO membranes usually last 2 to 3 years, while pre- and post-filters can be changed every 6 to 12 months depending on use. Keep a simple maintenance log in gallons produced to track replacements and cleanings.
Countertop distillers are usually plug-and-play: place the unit on a heat-resistant counter, fill the reservoir with tap water, and run. Under-sink and whole-house systems are best installed by someone comfortable with basic plumbing: they’ll need a shutoff valve, drain connection, and in some cases a dedicated faucet. If you do install yourself, follow the manufacturer’s inch- and gallon-based specs for clearances and tank sizes so flow rates match household demand.
Upfront cost is only part of the picture. A $150 countertop distiller may seem cheaper than a $600 RO system, but energy and filter replacements add up. Consider the system’s warranty, expected lifespan, and ongoing consumables like carbon cartridges or membranes. For instance, a mid-range RO system might cost $400 up front but require $50 to $200 a year in replacement filters, while a distiller’s main cost could be electricity and occasional descaling supplies. Balance those running costs against the quality of water you need.
Don’t forget to compare prices across Pure Water US, Amazon, Home Depot, and brand websites. Seasonal sales, bundled filters, and free shipping can shift value quickly. Also consider buying replacement cartridges in multi-packs to lower per-cartridge cost, and check whether extended warranties or service plans are worth the extra few dollars for peace of mind.
Distilled water is very pure, often described as neutral or flat in taste because minerals are removed. If you prefer a mineral taste, consider remineralization cartridges or blending distilled water with a small amount of mineral-rich filtered water. Filtration systems like carbon or RO preserve or selectively remove minerals and often yield a more familiar taste profile. Always balance health goals with taste preferences — there’s no one-size-fits-all answer.
Yes, distillation removes both harmful contaminants and beneficial minerals like calcium and magnesium. For most people who get those minerals from food and supplements, drinking distilled water isn’t a health risk. If you’re concerned, look for systems that add minerals back in or use a combined approach: distill for purity, then pass water through a mineral cartridge for taste.
Every system has environmental trade-offs. Distillers use electricity and therefore carry an energy footprint; RO systems waste some water during the purification process. Carbon filters require periodic replacement, creating waste. To minimize impact, choose energy-efficient models, recycle used cartridges where programs exist, and size systems correctly so you aren’t producing more purified water than you use. Sometimes the greenest choice is the right-sized, well-maintained system that avoids wasted resources.
Choosing the best water distiller or filter for your home comes down to water quality needs, daily volume in gallons, space, and budget. Specialist retailers like Pure Water US make distillation-focused comparisons easy, while big-box stores such as Home Depot and Lowe’s, and marketplaces like Amazon, provide variety and convenience. Brands like Megahome, Waterwise, APEC, Pelican, and iSpring cover the spectrum from compact countertop distillers to whole-house and under-sink RO systems. Test your water, weigh energy and maintenance costs, and pick a system with clear specs in gallons and inches so it fits your life. With the right choice and a bit of routine care, you’ll enjoy cleaner, better-tasting water every day.
