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Water Heaters

Water Heater Repair & Tankless Installs in Oklahoma City

Never run out of hot water again. Expert water heater repair, replacement and tankless installs — sized right for your home.

  • Licensed, bonded & insured
  • 145+ years combined
  • Non-commissioned techs
Rheem Performance Platinum water heater installed by Stanley Plumbing in an Oklahoma City home
5.0 rating

"Honest, on time, and the pricing was exactly what they quoted."

Overview

What to expect on your water heaters job.

From morning showers to running the dishwasher, hot water isn't optional. If your water heater is knocking, leaking, or struggling to keep up, we'll diagnose the issue and give you an honest repair-or-replace recommendation. We service traditional tank heaters and specialize in high-efficiency tankless systems that deliver endless hot water on demand while lowering utility bills. We'll help you pick the right size for your family and install it flawlessly.

AO Smith ProLine gas water heater installed in an Oklahoma City home
Whole-home water filtration installed alongside a new water heater
Fresh copper and PEX supply lines connected to a replacement water heater
Why Stanley

Why OKC homeowners choose us for water heaters.

  • 01

    Tank & tankless expertise

    We service and install both — including Navien tankless systems.

  • 02

    Right-sized for your home

    We pick the right capacity so you're never short on hot water.

  • 03

    Honest repair vs. replace

    Sometimes a repair is smarter — we'll tell you when it isn't.

  • 04

    Lower utility bills

    High-efficiency tankless systems can meaningfully cut your monthly cost.

Common problems

Sound familiar? We fix these every week.

If any of these sound like what you're dealing with, don't wait for it to get worse — get an honest diagnosis and clear pricing upfront.

Book a diagnosis
  • No hot water
  • Knocking or popping tank
  • Water heater leaks
  • Fluctuating water temperature
  • Rusty or discolored hot water
  • Undersized system for the household
Why choose Stanley

Local. Family-owned. In it for the long haul.

  • Family-owned since day one
  • 145+ years of combined experience
  • Fully licensed, bonded and insured
  • Salaried, non-commissioned technicians
  • Financing available for qualifying jobs
  • Serving the entire Oklahoma City metro
Detailed water heater venting and supply-line work by Stanley Plumbing
Free estimate

Request a free estimate

Tell us what's going on and we'll follow up with a clear, honest quote — usually the same business day.

By submitting, you agree to be contacted about your request. We'll never spam you or sell your info.

FAQ

Water Heaters — common questions.

Don't see yours? Call us at (405) 702-4900 — we're happy to walk you through it before you book anything.

  • Should I switch to tankless?

    Tankless is a great fit for many homes, offering endless hot water and lower utility bills — we'll walk you through the trade-offs for your specific setup.

  • How long does an install take?

    Standard tank replacements are typically completed the same day. Tankless conversions take longer depending on venting and gas line requirements.

  • Do you haul the old unit away?

    Yes — we remove and dispose of the old unit as part of the install.

Stanley Plumbing Services technician arriving at an Oklahoma City home with a service truck parked in the driveway
Ready when you are

Let's fix it before it gets worse.

Small leaks turn into big repairs fast. Talk to a Stanley technician today — upfront pricing, no pressure, and work backed by 145+ years of combined experience.