Want endless hot water and a cleaner mechanical room? H2Flow Plumbing installs and upgrades tankless water heaters with owner-led standards, clean workmanship, and clear options. Appointment-only service with fast response by text.
Text name + address + “tankless install” to (864) 606-0000. If you can, include: current heater type (tank/tankless), fuel (gas/electric), number of baths, and a photo of the current setup.
Tankless replacement
Swap an existing tankless unit with a clean, tested install and corrected piping/valves as needed.
Tank → tankless conversion
Upgrade from a traditional tank to tankless with smart routing, clean valves, and performance-first setup.
New installs
Add tankless where none existed (or in remodels) with practical options and owner-led standards.
Locally veteran-owned and owner-led — we don’t rush tankless installs. We focus on clean workmanship, clear communication, and a system you can trust.
We’ll explain sizing and options clearly so you can choose what makes sense — no pressure.
Yes. That’s a common upgrade. We’ll look at your current setup, your hot water demand, and the most practical install route for long-term reliability.
Sizing depends on your simultaneous hot water use (showers, laundry, dishwasher) and your incoming water temperature. We’ll help you choose a realistic setup for your home.
Yes. Periodic maintenance helps protect performance and lifespan. Ask us about a maintenance plan appropriate for your water conditions.
Yes — Greer is our home base, and we serve Simpsonville, Greenville, and surrounding Upstate communities.
