Tank Vs. Tankless Water Heater Comparison
Feature/Issue | Tank | Tankless |
|---|---|---|
Do We Service? | Yes ✅ | Yes ✅ |
System Lifespan (w/ repairs) | ~8-12 years | ~15-20 years |
Maintenance Needs | Periodic flushing to remove sediment | Regular descaling; especially in hard water areas |
Energy Efficiency | Lower; always heating stored water | Higher; only heats when in use |
Typical Repair Time | 1-2 hours | 1.5-3 hours |
Parts Replacement | Thermostat, heating elements, pressure relief valves | Flow sensors, ignition modules, heat exchangers |
System Type | Stores and heats a set volume of water in a tank | Heats water on demand, no storage tank |
Common Repair Issues | Leaking tank
Faulty thermostat
Sediment buildup | Error codes
Ignition/firing issues
Scale buildup |
Repair Complexity | Generally straightforward; parts are more standardized | More complex; may require manufacturer-specific diagnostics |

Water Heater Repair Services
Get your water heater up and running quickly with Scott Cole Plumbing! Whether is a sudden breakdown, a leak, or fluctuating temperatures, our plumbers deliver fast & reliable solutions for your home. It doesn't matter if you're calling from Anaheim Hills or Rancho Cucamonga, we're there for you.
We'll diagnose your water heater and let you know exactly what your home needs and what makes the most sense.
We offer 24-hour emergency plumbing repairs along with our sewer line inspection services.


Tank & Tankless Water Heater Repair
We're able to repair both tank and tankless water heaters, each coming with its own issues and repair methods.
When your water heater malfunctions, sometimes a quick fix won't do it. The same issue could continue recurring. Instead, you may need a long-lasting repair or a complete water heater replacement.
Whether you're dealing with a pilot light that won’t stay lit, a leaky tank, or inconsistent water temperature, our team responds swiftly and solves the root issue.

Frequently Asked Questions
How quickly can you repair my water heater?
We offer same-day or next-day scheduling depending on availability and urgency. Don't hesitate to give us a call if you are having a plumbing emergency.
Can you repair both tank and tankless units?
Yes, our technicians are skilled in repairing both traditional tanked and modern tankless water heater systems.
When is repair versus replacement more cost-effective?
We'll assess the condition, age, and efficiency of your unit and inform you whether a water heater repair or replacement makes the most sense for your home and wallet.
Do you offer emergency plumbing services?
Yes! We offer 24/7 emergency repairs to prevent further damage to your home. If you have a plumbing emergency, don’t wait! Call us immediately at (951) 833-8572 for fast and reliable service.

