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Tankless systems

Tankless water heater installation built around real flow demand

Tankless units heat water as it flows, so hot water doesn't run out. The catch is that the unit has to be sized to your flow rate, and the install often touches gas sizing, venting or electrical.

Tankless water heater installation built around real flow demand from Hot Water Express

Why homeowners call us

What you get

Best for

Households that want continuous hot water and want their floor space back.

Pros

No standby losses, compact wall-mounted unit, continuous supply when sized correctly.

Considerations

Higher up-front cost, possible gas/venting/electrical upgrades, and descaling matters in hard water.

What the visit covers

  • Flow-rate sizing based on simultaneous fixture use
  • Gas line capacity and venting assessment before commitment
  • Condensate handling for condensing models
  • Isolation valves installed for future descaling
  • Commissioning and temperature verification

How it works

  1. 1

    Feasibility check

    We confirm your gas, venting and electrical can support the unit.

  2. 2

    Size for flow

    We calculate gallons-per-minute at your incoming water temperature.

  3. 3

    Install and commission

    Mount, vent, connect, test and walk you through maintenance.

Good to know

Frequently asked questions

Send three photos. Get a fast water-heater quote.

Show us the full heater, the model label and the vent or connections. Our team reviews the job and follows up with clear options.

Equipment experience

A. O. Smith is the line we stock and install most. We also work on the leading tank, tankless and hybrid systems already found in DMV homes.

Compare brands
  • Hot Water ExpressTHE HOT WATER EXPRESS
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Manufacturer names identify equipment we install or service. Hot Water Express is an independent local company; manufacturer authorization or endorsement is not implied.