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Tankless Water Heater Installation & Conversion in Tulsa

Converting from a tank to tankless changes more than the heater. We size the unit to your actual hot-water demand, verify the gas line and venting can support it, and install it so it performs the way the brochure promised.

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What a conversion really involves

A tankless heater fires at three to five times the BTU rating of the tank it replaces. The half-inch gas line that fed your old 40,000 BTU tank almost never supports a 180,000 BTU tankless unit, so a proper conversion usually includes gas line work. Venting changes too: tankless units need dedicated stainless or PVC venting, not the old B-vent. Condensing models also need a condensate drain.

None of this is a reason not to convert. It is the reason conversions cost more than a tank swap, and the reason a cheap tankless install tends to become a service headache. When the gas line is undersized the unit starves at high demand, throws codes, and delivers lukewarm water at the worst moment.

When tankless makes sense in Tulsa

Tankless shines when hot water demand is spread out through the day, when space is tight, or when a household is tired of running out during back-to-back showers. It makes less sense when a home has very high simultaneous demand on a single unit, or when the existing gas service cannot be upgraded economically. Our Tank vs. Tankless guide walks through the tradeoffs without a sales pitch.

Tulsa’s moderately hard water means every tankless unit here needs periodic descaling. We install isolation valves on every unit so that service takes minutes instead of an afternoon.

When to call

  • You want to compare tank and tankless replacement options
  • The existing tank location limits available capacity
  • The property has sustained or simultaneous hot-water demand
  • You are planning a remodel or mechanical-system upgrade

How we approach it

  • Calculate expected flow and temperature rise for your household
  • Verify gas supply, venting path, electrical, and condensate drainage
  • Explain the conversion scope and equipment options
  • Install, commission, and set up the maintenance schedule

A practical recommendation

Tankless is not automatically the best choice for every property. Utility rebates come and go, so verify current programs with the provider before counting on one.

Common questions

Will a tankless heater give me instant hot water?
No. It gives you endless hot water, but the water still has to travel from the heater to the tap. Instant hot water at the fixture requires a recirculation system, which we can discuss.
How often does a tankless unit need descaling?
In Tulsa, roughly once a year for most households. Homes with a water softener can stretch that.

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Related services

This page covers: Tankless water heater installation · Tankless water heater conversion · Tankless water heater replacement

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Featured reviews
This is a good company. Very trustworthy.
A. T.A. T.
I am a repeat customer of Wise plumbing. I always receive excellent communication on the services recommended and the technician worked around my schedule. In the end I am happy with the outcome. I highly recommend.
C.C.
The technicians we're prompt, polite, and honest about pricing. Whole install took less than 2 hours, awesome job!
G. S.G. S.
Absolutely. For Google Maps, I’d make it more concise and review-focused: I had Wise Plumbing out today and had a great experience. Matthew, the owner, was professional, knowledgeable, and very focused on doing the job right without trying to upsell unnecessary work. I’ve spent about 15 years in construction, maintenance, and the trades, so I pay attention to workmanship, communication, and how a company treats its customers. Wise Plumbing impressed me on all three. Matthew also took the time to talk through the work and made it clear that quality, fair pricing, and long-term customer relationships matter to him. That stood out. Based on my experience today, Wise Plumbing is a company I would use again at home and professionally. Highly recommended.
M. E.M. E.
Great company!
T. T.T. T.
Prompt, clear communications, honest
H. W.H. W.
This is an amazing team! Fast response and great price. They went above and beyond! First time using them in the Tulsa area and I was really impressed with the guys who came out and the manager.
C.C.
Conscientious and hardworking technicians, always explains the progress of the work, and cleans and mops up any messes at the end of the day.
K. M.K. M.
I love Wise Plumbing!!!! They have saved me time and time again! Cody is always kind and respectful and they have never ripped me off when many company’s around tulsa have surely tried. Their estimates have come in sometimes even $2000 cheaper than competing companies! Very pleased to work with Wise Plumbing! You can trust this company.
T. V.T. V.
Needed a new garbage disposal. Plumbers at Wise got it in promptly. Works great and sounds quiet. Highly recommend
A. E.A. E.
Thank you guys!
C. G.C. G.
Cody did an amazing job. Thank you so much. And Matthew was very professional on the phone. I highly recommend wise plumbing. Reasonable rates. Thank you guy's very much.
M. C.M. C.
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