Tankless Water Heater Replacement in Mebane & Raleigh, NC
Is your tankless water heater getting old, breaking down, or leaving you with cold water? We replace gas and electric tankless water heaters. We’ll help you choose the right new system and give you a price up front. That price won’t go up, even if the work gets harder. It’s our No Change Order Policy!

Tankless Water Heater Replacement Services
Gas Tankless Replacement
Old gas tankless heater failing? We’ll help you replace it.
Electric Tankless Replacement
Need a new electric tankless heater? We’ll check your options.
Tankless Heater Sizing
We’ll help you choose a system that meets your hot water needs.
Updated Venting & Connections
We’ll check the gas, water, and venting needs of your new heater.
Tankless System Upgrades
Want a newer tankless model? We’ll explain your choices.
Why Choose Poseidon Plumbing?
We believe in clear prices, good work, and treating your home with care. Here’s what you can expect from our team.
Same Day Service
Need a plumber today? We come out the same day!
Veteran Owned
Proud to serve our local community.
No Change Orders
The price you agree to is the price you pay. Even if the work gets harder!
Signs You May Need Tankless Water Heater Replacement
Some tankless heaters can be repaired. Others may be better to replace. Here are signs it’s time to look at a new system.
Your Heater Keeps Breaking Down
Does your tankless heater keep needing repairs? We’ll help you compare your options.
No Hot Water
Does your heater stop making hot water? We’ll check whether it can be fixed.
Repair Costs Are Adding Up
Are you paying for repairs again and again? A new heater may make more sense.
Your Heater Is Getting Old
Older tankless heaters may wear out. We’ll check the condition of yours.
Rust or Water Leaks
See rust or water around your heater? We’ll find out where it’s coming from.
Your Heater Can’t Keep Up
Not getting enough hot water for your home? We’ll check if your system is the right size.
Know What to Expect
You’ll know when we’re coming, what we’ll do, and when the work can be done.
When Will We Be There?
We offer same-day visits, and we’ll let you know when to expect us.
How Will We Replace It?
We’ll check your old heater, help you choose a new one, and give you a price up front. Once you approve, we’ll replace it.
What Happens After Replacement?
We’ll test the new heater, show you how to use it, and explain how to care for it.
Not sure whether your tankless heater needs to be replaced? Learn about our tankless water heater repair services before you decide.
