Best Water Purifier with Hot Water, as per Reddit (2026)

Reddit’s answer to “which water purifier with hot water should I buy?” is more useful than a ranking. For a home, the threads keep landing on the same design: a good RO purifier that heats water instantly as you dispense it, holds purified water in a steel tank rather than plastic, and puts the hot button out of a child’s reach. If you only want hot water once in a while, the top reply is usually “just buy a kettle”, and for many homes that is honest advice.

How We Read the Threads

We read around 45 threads from 2023 to 2026 on r/india, r/IndianHomeImprovement, r/delhi, r/gurgaon, r/bangalore and r/indianparents where people asked about hot water, hot and cold, or “instant hot” purifiers. We grouped replies by theme and noted which advice came up most often. As with any Reddit research, we left brand names out: individual brand verdicts swing with the last service visit, while the design questions below come up again and again.

The First Reply Is Always: Why Not a Kettle?

In almost every thread, someone asks why you would not just fill a kettle from your existing purifier. It is a fair challenge.

The replies that push back come from a particular kind of household: several people, several rounds of tea and warm water a day, elders who prefer warm water through winter, or parents making feeds at night. For them, the arguments are:

• Leftover reboiling. Kettles get filled for four cups and used for one, then reboiled by the next person.
• Scale. In hard-water cities, kettles crust up quickly. Purified water carries far less hardness, as our guide to white residue from hard water explains.
• Counter clutter. A wall-mounted purifier with hot water frees the counter of a kettle, its base and cord.

And one honest point from the kettle side: boiling alone does not purify. It inactivates most microbes but leaves dissolved salts and chemicals in, as our comparison of boiling water vs RO shows. A kettle only makes sense if it is filled from a purifier.

Stored Hot vs Instant Hot

The most technical, and most useful, threads are about how the purifier heats water.

• Stored hot designs keep a separate tank hot through the day. A glass is ready immediately, but the heater keeps working to replace heat lost to the room, used or not. Several owners also mentioned the hot tank running out after a few cups, then waiting for it to heat again.
• Instant hot designs heat water as it is dispensed. Only the water you draw is heated, nothing sits hot for hours, and there is no small hot tank to empty.

The rough consensus: stored hot suits offices and pantries where cups are poured back to back all day; instant hot suits homes. Our guide to choosing a hot water purifier for home goes deeper into both designs.

Plastic, Steel and Hot Water

The second big theme is what the water sits in.

Food-grade plastics are used widely in purifiers and are made to be safe. But many Redditors simply prefer stainless steel for anything that holds drinking water for long periods, especially near heat: it does not absorb odours, it does not stain, and it is easy to trust. Our comparison of steel vs plastic purifier tanks sets out the trade-offs without the scare stories.

Do You Really Need Cold Too?

Hot and cold purifiers come up often, and the replies are mixed.

• For cold: offices, large families in hot cities, and homes without fridge space.
• Against cold: a cooling system adds parts, power use and size, and “most of us keep bottles in the fridge anyway” is one of the most upvoted kinds of reply.

If chilled water from the purifier matters to you, buy a unit that does it. If it does not, hot and ambient keeps the machine simpler.

Kids, Hot Buttons and Mounting Height

Parents on Reddit are blunt about this: anything that dispenses hot water needs a plan for small children.

• Check whether the hot button has a lock or a two-step press.
• Mount wall units above a small child’s reach; avoid countertop units at their eye level.
• Teach older children the hot button is for adults.
• For formula, follow the pack and your paediatrician on how to prepare water. If they say to use boiled water, boil it; do not assume a purifier’s hot setting is the same.

Reddit’s Verdict, Distilled

Where Boon Homie Pro Lands

Boon Homie Pro is built around three things that line up with the threads. A stainless-steel storage tank, so purified water is held in steel, with a stainless-steel nozzle. Instant hot water, heated as it is dispensed rather than kept hot all day. And Track, which gives each family member a user ID in the app so they can switch to themselves on the unit and set a daily goal.

Underneath, it is a full UltraOsmosis RO with in-line LED UV, rated for input up to 2000 TDS, with WaterAI monitoring input and output TDS and filter health. Its five buttons are Active, Daily, Bev, Hot and Track. It is wall-mounted, installed by Boon’s own team, and ₹25,900 at the time of writing, with a 10-day money-back guarantee.

What Reddit would want you to know before buying it:

• It has no cold water. If chilled water from the purifier matters, this is not it; look at Boon Tall for hot, cold and ambient in a freestanding unit, especially for offices.
• Plan the mounting height so the Hot button sits above small children’s reach.
• If you need water at a rolling boil, keep a kettle for that job.

Frequently Asked Questions

Which is the best water purifier with hot water according to Reddit?

Reddit does not settle on one model, but it does settle on a design. For homes, the recurring advice is an RO purifier that heats water instantly as you dispense it, holds purified water in a stainless-steel tank, and is mounted so the hot button is out of children’s reach. For offices and large groups, a hot and cold unit with a larger capacity makes more sense.

Is a hot water purifier worth it, or should I just buy a kettle?

If you already own a working purifier and use hot water only occasionally, a kettle filled from that purifier is the cheaper, sensible choice. A hot water purifier earns its price when several people use hot water every day, because it dispenses purified hot water on demand, ends the reboiling of leftovers and keeps scale out of the picture.

Is instant hot better than a hot water tank in a purifier?

For most homes, yes. Instant heating warms only the water you dispense, so nothing sits hot all day and there is no small hot tank to run out. A stored hot tank gives a glass immediately but keeps its heater working whether or not anyone uses it. Stored hot suits offices where hot water is poured constantly.

Is it safe to store purified water in a plastic tank?

Food-grade plastic tanks are designed to be safe for drinking water and are used widely. Many people still prefer stainless steel for water that is stored for long periods, because steel does not absorb odours or stain and is easy to clean. If tank material matters to you, check what the storage tank and the parts that touch hot water are made of before you buy.

Does Boon Homie Pro have cold water?

No. Boon Homie Pro dispenses purified water at room temperature and instant hot water, but it has no cooling and no cold water. If chilled water from the purifier is important to you, look at a hot and cold unit instead, such as Boon Tall for offices and large families. Many homes simply keep purified water in bottles in the fridge.

Can I use hot water from a purifier for baby formula?

Follow the formula manufacturer’s instructions and your paediatrician on which water to use and how to prepare it. If they say to use water that has been boiled, boil it, and do not assume a purifier’s hot setting is equivalent. Purified water is a sound starting point, but the preparation method should come from your paediatrician.