Tankless Water Heater Repair
Endless Hot Water. Zero Headaches.
Experiencing issues with your tankless water heater? Our licensed technicians provide fast, expert repairs across Greater Cleveland and Akron — 24/7, with no hidden fees.
What We Do
Expert Repairs for All Tankless Water Heater Brands
Tankless water heaters are energy-efficient and compact — but when they stop working, it disrupts your entire day. At Black Diamond Plumbing and Drain, we specialize in diagnosing and repairing issues with tankless units quickly and reliably.
Energy-Efficient Fixes
We ensure your system runs at peak performance with repairs that preserve its efficiency and lifespan.
All Makes & Models
Whether you have a Navien, Rinnai, Noritz, or another brand, we have the tools and experience to repair it right.
Know When It’s Time
Common Signs Your Tankless Water Heater Needs Repair
If you notice any of these issues, don’t wait — call us to prevent bigger problems.
Fluctuating Water Temperature
If your water runs hot, then cold, then hot again, it could be a sensor or flow issue.
Fluctuating Water Temperature
If your water runs hot, then cold, then hot again, it could be a sensor or flow issue.
Fluctuating Water Temperature
If your water runs hot, then cold, then hot again, it could be a sensor or flow issue.
How It Works
Our Proven Tankless Repair Process
We follow a clear, professional approach to get your hot water back without the stress.
Schedule Service
Book online or call us anytime — we offer same-day service and 24/7 emergency repairs.
Diagnose the Problem
Our technician arrives promptly, ready to diagnose the issue and walk you through the solution.
Upfront Pricing
You get a clear estimate before any work begins — no hidden fees, no upselling.
Expert Repairs or Installation
We handle the job with care, clean up after ourselves, and ensure you’re 100% satisfied.
Why It Matters
Trusted by Homeowners and Businesses Alike
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Hear From Our Happy Customers
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Tankless Water Heater Repair FAQs
Common questions we get from homeowners across Northeast Ohio:
We don’t recommend it. Tankless units are complex and require specialized tools and diagnostics best handled by a licensed technician.
We repair all major brands, including Navien, Rinnai, Noritz, Bosch, Takagi, and more.
Common causes include mineral buildup, sensor malfunctions, gas or electrical issues, and blocked venting.
Pricing varies by the issue, but we always provide upfront estimates before we begin work.
If your system is under 10 years old, it’s often worth repairing. We’ll assess your unit and give you honest advice either way.
Need Plumbing Help Now?
From Cleveland to Akron and all surrounding suburbs, we provide expert plumbing and drain services throughout Northeast Ohio. If you’re in the area — we’re already on our way.
