Tankless Water Heater Installation & Service in Overland Park & the Kansas City Area

Joe Lillis Plumbing installs and services tankless water heaters for homes and businesses throughout Overland Park and the surrounding Kansas City area.

Licensed Master Plumbers

Experienced, knowledgeable professionals you can trust.

Honest Recommendations

We explain your options clearly and recommend the solution that makes sense.

Clean & Respectful Work

We treat your property with care and leave the work area cleaner than we found it.

Workmanship Guarantee

Our workmanship is guaranteed for 30 days, and we stand behind manufacturer warranties on products we supply.

EXPERT TANKLESS WATER HEATER SERVICES

Efficient Hot Water Designed for Your Needs

Tankless systems heat water on demand and can provide dependable performance when properly sized, installed, and maintained.

Joe Lillis Plumbing provides tankless water heater installation and service throughout Overland Park and nearby Kansas City communities. We evaluate hot-water demand, fuel or electrical requirements, venting, water quality, and available space.

Whether you are considering a new system or need help with an existing unit, we explain practical options and installation requirements.

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WHY CHOOSE JOE LILLIS PLUMBING?

Proper Sizing. Professional Installation.

Tankless performance depends on more than choosing a unit. Flow rate, incoming water temperature, fuel supply, venting, and electrical needs all matter.

Our Licensed Master Plumbers review the complete installation and explain what is required for reliable operation.

We provide straightforward recommendations, careful workmanship, and clear communication.

Diagnose Before We Recommend

We take the time to identify the source of the problem before recommending a repair or replacement.

Repair When It Makes Sense

If a practical repair can solve the issue, we’ll explain that option before suggesting a larger replacement.

Solutions Built to Last

We focus on correcting the underlying problem, not just covering up the symptoms.

Clear Communication

We explain what we found, what your options are, and what to expect before the work begins.

OUR SIMPLE SERVICE PROCESS

From System Evaluation to Reliable Hot Water

  • Inspect

    We assess the issue and determine what needs to be addressed.

  • Explain Your Options

    We review the available solutions and answer your questions.

  • Complete the Work

    We perform the repair or replacement with quality workmanship.

  • Get Back to Normal

    We make sure everything is working properly and leave the area clean.

COMMON SIGNS YOUR TANKLESS SYSTEM NEEDS SERVICE

Is Your Tankless Water Heater Performing Properly?

Changes in temperature, flow, or system operation can indicate maintenance or repair is needed.

  • Water that does not get hot
  • Temperature that changes during use
  • Reduced hot-water flow
  • An error code or warning light
  • A unit that shuts down unexpectedly
  • Unusual sounds during operation
  • Mineral buildup or overdue maintenance
  • Ignition or burner problems
  • Leaks at the unit or connections
  • Hot-water demand exceeding system capacity
Proudly Serving the Kansas City Area

Your Local Plumbing Experts

Joe Lillis Plumbing provides trusted residential and commercial plumbing services throughout Overland Park and the Kansas City metro. From plumbing repairs and water heaters to remodeling and commercial service, we bring experienced workmanship and dependable service to every job.

  • Overland Park
  • Olathe
  • Lenexa
  • Shawnee
  • Leawood
  • Spring Hill
  • Kansas City, KS
  • Prairie Village
  • Mission
  • Merriam
  • Roeland Park
  • Stilwell
  • Prairie Village
  • Mission
  • Merriam
  • Roeland Park
  • Stilwell
  • Johnson County
  • Wyandotte County
  • Spring Hill
  • Kansas City, KS
  • Johnson County
  • Wyandotte County
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What Our Customers Say

Real Reviews. Real Results.

Excellent4.9159 reviews
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Joe Lillis Plumbing was referred to me by a fellow Realtor and they were amazing. Caleb was very friendly and explained everything in detail including the exact cost, total for repairs needed. He did a great job and would definitely recommend.

I would use Lillis plumbing again!

Always fast, courteous, and fairly priced. I've had all my plumbing needs taken care of by joe lillis plumbing for years now and I'm always highly satisfied. It's hard finding honest people that get work done right and this company is definitely one Ill use for the long run.

Kaleb worked diligently to find where the leak was coming from in our house. He found it and fixed it. Thank you!!!

Best in the business A+++

Joe Lillis plumbing is the best experience we have had with our remodeling. Their workers were on time, polite, respectful and accommodating to our needs. We felt confident having Tab and Matt in our home. We will definitely be using them again in the future. Many thanks to them for taking good care of us!

We’ve used Joe Lillis’ Plumbing before and they’ve always provided great work at a good price. Recently we were lucky to have Mathew, one of their plumbers, install a new Utility sink in our garage. He showed up on time; did a great install and left the worksite in clean condition, all at a great price. I can highly recommend Joe Lillis Plumbing for all your plumbing needs!

FREQUENTLY ASKED QUESTIONS

TANKLESS WATER HEATER FAQS

How does a tankless water heater work?

Is a tankless water heater right for every property?

How do you size a tankless water heater?

Can a tankless unit run multiple fixtures?

Do tankless water heaters need maintenance?

Why does my tankless water heater show an error code?

Can you replace a tank water heater with tankless?

Do you service existing tankless water heaters?