Tankless Water Heater Installation in Saint Charles & St. Louis

S&S Plumbing Systems installs and replaces tankless water heaters for homeowners and businesses looking for efficient, space-saving hot water in the Saint Charles and St. Louis area.

Tankless systems need proper sizing, water connections, venting, and gas or electrical planning. Jeremy brings master plumber experience to make sure the installation is built around the property and its real hot water demand.

Tankless Installation Done Correctly

Before installation, the existing plumbing, fuel source, venting path, and fixture demand are reviewed so the right tankless water heater can be selected.

The finished installation is focused on safe connections, clean workmanship, and consistent hot water performance for everyday use.

Qualifying Tankless Systems May Earn $300

Residential Spire customers may qualify for a $300 rebate when S&S installs an eligible natural gas tankless water heater with a Uniform Energy Factor (UEF) of 0.80 or higher.

• The home must have an active Spire account.
• The qualifying unit must hold less than two gallons.
• The purchase and licensed installation must be documented.

Spire determines eligibility and approval. Program terms, funding, and rebate amounts can change.