Manatee · Sarasota · Hillsborough · Pinellas · Charlotte
Tankless Reverse Osmosis Drinking Water
4.7★ from 212 Google reviews · WQA Gold Seal Puronics dealer · Our own techs, no subcontractors
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Tankless RO in Sarasota
Tankless reverse osmosis
for Sarasota kitchens.
We install tankless RO under kitchen sinks across Sarasota, Venice and Lakewood Ranch. A tankless unit makes water on demand, so there is no storage tank taking up the cabinet, which matters in condos and smaller kitchens. See water treatment for condos and villas.
Water treatment in Sarasota · Drinking water systems in Sarasota · Venice
Tankless Reverse Osmosis
All the bottled-water taste of reverse osmosis without the bulky storage tank — a compact, high-flow tankless RO that frees up the cabinet under your sink and delivers fresh water on demand.
Bottled-water taste — without the bulky tank
A tankless reverse-osmosis system gives you the same clean, great-tasting RO water as a traditional under-sink unit, but without the big storage tank eating half your cabinet. We install the AQUA FLO tankless RO — a slim, modern unit with a matching designer faucet. If you’ve seen WaterDrop online, this is our take on that idea, except we install it and service it locally, so you’re never chasing a filter online or waiting on a call center.
No bulky pressure tank under the sink. The whole system is one slim unit, so you get your cabinet back.
A built-in pump pushes water through the membrane on demand, so you get strong flow and more RO water at once — no waiting for a small tank to refill.
Filters twist in and out in seconds — no wrenches, no mess. Change them yourself in a minute, or we handle it on a service visit.
RO water comes out slightly acidic — carbon dioxide slips through the membrane and there is no alkalinity left to buffer it. An alkaline stage corrects that: a carbon/calcite cartridge polishes the water through coconut-shell carbon, then passes it over calcite, which dissolves just enough to put calcium back and bring the pH up. We test it at installation and again on service calls and it reads above 9. What you notice is the taste: smoother, slightly sweeter. It is a taste upgrade, not a health one — your minerals come from food, not your tap. The cartridge is a consumable — the calcite dissolves as it does its job, so it gets changed every three to six months depending on your water and how much you drink. We check the pH at every service visit. One cartridge we pulled after a full year, well past its interval, still read 8.5. Mention it and we’ll add it. It’s the upgrade more of our clients are asking for.
Not sure if tankless is right for you? We test your water free and walk you through the trade-offs between a tankless RO and a traditional tank system — no pressure, just the answer for your home.
- Reverse-osmosis purity — removes dissolved solids for crisp, clean drinking water
- Tankless design frees up the whole cabinet under your sink
- High-flow membrane delivers water faster than older tank systems
- Fewer stages to change and a lower drain ratio than traditional RO
- Perfect where space is tight — condos, smaller kitchens, RO at a second sink

Reverse osmosis is the gold standard for drinking water — it pushes water through a semipermeable membrane that removes the dissolved solids, taste and contaminants a carbon filter alone leaves behind. The one drawback of traditional RO is the bulky pressurized storage tank that eats up your under-sink cabinet. A tankless system solves that.
Instead of storing water in a tank, a tankless RO uses a higher-capacity membrane and an internal pump to produce water on demand, right when you open the faucet. That means a slim footprint that frees your cabinet, a faster flow than old tank systems, and fresher water because it isn’t sitting in storage. Most tankless units also waste less water to drain and use fewer, longer-lasting filter stages — so they’re simpler to own.
Tankless RO is ideal for condos, smaller kitchens, and anywhere counter and cabinet space is at a premium — exactly the situations we see all over the Suncoast. Pair it with a whole-home softener and the membrane lasts even longer, because it isn’t fighting hardness. We’ll show you both the classic and tankless options and match the system to your kitchen and your water. It’s also our pick when a household drinks a lot of water or wants RO at the refrigerator: the built-in pump keeps pressure steady, while a tank system’s pressure drops as the tank empties and the fridge dispenser slows down. It needs an outlet under the sink.
Common questions
→ See all frequently asked questions



What your neighbors say
4.7★ from 212 Google reviews.
“I cannot say enough amazing things about this company and system! We had three companies come out and Hydrology stood out on every level.”
“We’ve had our system now a month and absolutely love it. My wife is a hair beautician with over 30 years of experience and definitely can tell the difference with the water.”
“Wow, I can definitely feel a difference in my hair, skin, and when I wash my hands. I knew getting a water softener was a priority and I’m so glad I decided to go with Hydrology.”
Every review is on our Google profile — read all of them there. We don’t cherry-pick; we just answer the phone.
Straight answers
Common questions.
What people ask before they book.
More water answers →
What hard water does to a home: the Battelle study →
What’s the difference between tankless and regular RO?
Does tankless RO flow fast enough?
Does it waste a lot of water?
Will it fit under my sink?
Do I still need a softener with it?
Manufacturer literature
The full Aqua Flo brochure for this tankless system — features, specifications and connections, unedited.
Download the PDF →Every brochure we have: Product Brochures

