Tankless Water Heater Installation

St. Louis, MO Metro Area

24/7 Emergency Services

Same-Day Services

New Customer Discounts Available

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Upgrade Your Home With an Efficient Tankless Water Heater

Imagine having endless hot water while lowering your energy bills. Flow King Rooter Plumbing installs tankless water heaters throughout the St. Louis, MO metro area. We'll replace your bulky tank with an on-demand hot water system. Our skilled technicians install reliable systems from trusted brands like Halo, Rheem, and Ruud. We cater to both homes and businesses, ensuring you get the ideal solution for your needs.

  • Space-saving design
  • Lower energy consumption
  • Non-stop hot water
  • Increased durability
  • Less chance of water damage


Ready to enjoy the perks of tankless water heating?
Contact us today for a consultation.


The Smart Choice for Modern Water Heating

Tankless water heaters are changing how we heat water in our homes and businesses. Here's why you might want to make the switch:

  • Reduced monthly energy bills
  • Boost in property value
  • Adjustable temperature settings
  • Environmentally friendly operation
  • Flexible installation options


With Flow King Rooter Plumbing, you're investing in a more efficient and comfortable future for your property.


Why Choose Flow King Rooter Plumbing

Flow King Rooter Plumbing excels in tankless water heater installation. Here's what makes us stand out:

  • Round-the-clock emergency services
  • Quick and efficient service
  • Fully equipped trucks for prompt repairs
  • Master Plumber on staff
  • Estimates provided within 24 hours
  • Over 40 years of experience
  • Fully licensed and bonded
  • Local family-owned business since 2018
  • Same-day service when available
  • One-year labor warranty on all work
  • Discounts for new customers


Reach out to discuss your property's water heater needs.



Contact Us

Ready to upgrade your water heating system? Flow King Rooter Plumbing will guide you through every step of the tankless water heater installation process. We'll help you select the right unit, install it professionally, and provide ongoing maintenance.


Start enjoying endless hot water and energy savings today.
Contact us now to schedule your tankless water heater installation consultation.

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New Customer Savings!

First-time customers enjoy exclusive discounts on all our plumbing services

Call Today for Details!

(314) 254-2316
  • How long does it take to install a tankless water heater?

    Installing a tankless water heater usually takes 4 to 8 hours, depending on the job's complexity and whether it's a replacement or new installation. Our skilled technicians at Flow King Rooter Plumbing work efficiently to minimize disruption to your daily routine.
  • What are the main benefits of switching to a tankless water heater?

    Tankless water heaters provide endless hot water, use less energy, save space, last longer than traditional tanks, and reduce the risk of water damage. They also offer precise temperature control and can increase your property's value.
  • Do tankless water heaters require special maintenance?

    Tankless water heaters need less maintenance than traditional tanks, but they benefit from yearly check-ups. This includes flushing the system to remove mineral buildup, checking the burner, and ensuring all parts work correctly. Flow King Rooter Plumbing offers maintenance services to keep your tankless water heater running smoothly for years.

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Same-Day Service Available

Don't let plumbing problems disrupt your day. We're ready to tackle your issues right away, ensuring you get back to normal fast.

Call Flow King Rooter Right Away!

(314) 254-2316

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