6825 E Southport Rd, Indianapolis, IN 46237 Mon-Fri 7am-7pm · Sat 8am-5pm · 24/7 Emergency Line
Call (317) 758-3935 Request Service Online

Tankless Water Heater Installation & Repair in Indianapolis, IN

Tired of running out of hot water? Our licensed technicians size, install, and service tankless systems built for real-world Indianapolis households.

Tankless water heater installation with copper manifold by 5Star Plumbing Indianapolis
Licensed & InsuredCode-compliant workmanship
Endless Hot Water

Upgrade to On-Demand Hot Water

Tankless water heaters heat water only when you need it, which means no more cold showers after a full tank runs out — and typically lower standby energy loss than a traditional tank unit. We handle sizing, gas and water line work, venting, and code-compliant installation from start to finish.

  • Free in-home or phone consultation and system sizing
  • Gas and electric tankless systems from leading manufacturers
  • Proper venting and code-compliant gas/water hookups
  • Repair and annual flush/maintenance service
Warning Signs

Signs You Need This Service

  • Running out of hot water with a growing household
  • Old tank water heater leaking, rusted, or over 10 years old
  • Rising energy bills tied to standby water heating
  • Renovating and want to free up closet or utility space
  • Inconsistent water temperature or long wait times for hot water
Our Process

What to Expect

1

Free Consultation & Sizing

We evaluate your household's hot water demand and recommend the right unit size and fuel type.

2

Removal of Old Unit

Your existing tank or unit is safely disconnected and removed.

3

Code-Compliant Installation

We install venting, gas or electrical connections, and water lines to local code.

4

Testing & Walkthrough

We test the system fully and walk you through operation and maintenance.

Common Questions

Frequently Asked Questions

Most standard installations are completed in a single day, though complex venting or gas-line upgrades may take longer.

They can reduce standby energy loss compared to tank units, though actual savings depend on usage, unit efficiency, and local energy rates.

It depends on your home's existing utility setup, hot water demand, and budget — we'll walk you through the tradeoffs during your free consultation.

Yes, an annual descaling flush is recommended to keep the system running efficiently, especially in areas with hard water.

Need a Plumber Today? We're Ready to Help.

Call now for 24/7 emergency service or request a free, no-obligation quote online.

More Ways We Help

Related Plumbing Services

Explore our other licensed plumbing services available across Indianapolis.

Emergency Plumbing Services in Indianapolis, IN

Emergency Plumbing Services

Burst pipe, no water, or a flooded floor? Our licensed plumbers answer around the clock and arrive fast with fully stocked trucks.

Learn more
Whole-House Repiping in Indianapolis, IN

Whole-House Repiping

Replace aging, corroded, or leak-prone pipes with clean copper or PEX repiping — done fast and with minimal disruption.

Learn more
Gas Line Installation & Repair in Indianapolis, IN

Gas Line Installation & Repair

Certified gas piping for water heaters, ranges, and dryers, plus leak testing and code-compliant repairs.

Learn more
Leak Detection & Repair in Indianapolis, IN

Leak Detection & Repair

Pinpoint hidden slab, wall, and under-floor leaks with precision equipment before they turn into costly damage.

Learn more
Call Now: (317) 758-3935