Water Heater Services
Water Heater Repair & Installation in San Ramon & the Tri-Valley
Water heaters are what VIP Plumbing does best. Owner Vince and the team install, repair, and replace both tank and tankless systems, and we're Navien certified for high-efficiency tankless installs. Whether your tank is leaking, your tankless unit is throwing an error code, or you're ready to switch from one to the other, we'll walk you through the options in plain language.
"Value in Plumbing" means an honest, upfront quote before any work starts, and a promise to match and beat competitors' prices. Same-day and next-day appointments are often available across San Ramon and the Tri-Valley.
What we handle
- Tank water heater repair and replacement
- Tankless water heater repair, installation, and Navien systems
- Pilot light, ignition, and thermostat issues
- Leaking tanks and corroded fittings
- Sediment buildup and flushing-related performance problems
- Conversions from a tank to a tankless system
- Sizing and selecting the right unit for your household
Tank vs. tankless
Tank
- Stores and continuously heats a set volume of hot water
- Lower upfront installation cost
- Simpler installation in most homes
- Hot water can run out if demand exceeds tank capacity
- Takes up floor or closet space
Tankless
- Heats water on demand as it flows through the unit — no storage tank
- Doesn't run out of hot water the way a tank can
- Smaller, wall-mounted footprint
- Generally more energy-efficient over the life of the unit
- Output is limited by flow rate, so sizing to your fixtures matters
Navien certified
We're Navien certified, which means our team is trained specifically on Navien's tankless and condensing water heater systems — proper sizing, venting, and installation. Navien is one of the major manufacturers in the high-efficiency tankless space, and getting a tankless install right depends on matching the unit and venting to your home, not just bolting one to the wall.
How we size your water heater
The right size depends on your household, not a one-size-fits-all number. For a tank system, we look at how many people live in the home and how hot water gets used at peak times — back-to-back showers, laundry, dishwashing. For a tankless system, sizing comes down to flow rate: how many fixtures might realistically run at once and how much your incoming water needs to be heated. Undersizing either type leads to running out of hot water or a tankless unit that can't keep up; we size to how your household actually uses water.
How it works
- 1Tell us what's going on
Call or request a free estimate and describe the symptoms — no hot water, leaking, strange noises, an error code. We'll ask a few questions to get a read on the likely cause before we arrive.
- 2On-site diagnosis and options
We inspect the unit, explain what's wrong in plain language, and lay out your options — repair vs. replace, tank vs. tankless — with an upfront quote before any work begins.
- 3The work, done right
Repairs or a full install, completed by a licensed plumber. For installs, we size the unit to your household and fixtures so it's set up to perform from day one.
- 4Walkthrough when we're done
We show you the finished work and explain anything you should know about running or maintaining your new or repaired water heater.
Common questions
Should I repair my water heater or replace it?
It depends on the age of the unit, the cost of the repair, and how it's been performing overall. A younger unit with a minor issue — a thermostat, a heating element, a pilot assembly — is usually worth repairing. An older unit with a tank leak, heavy corrosion, or repeated problems is often better replaced. We'll give you a straight answer on which makes more sense for your situation.
What's the difference between tank and tankless water heaters?
A tank water heater stores and continuously heats a set volume of water, so it's ready to go but limited by tank size. A tankless unit heats water on demand as it flows through the unit, so it doesn't run out — but it delivers hot water at a fixed flow rate. See the comparison below for more detail.
Are you certified to install tankless water heaters?
Yes — we're Navien certified. Navien is a major manufacturer of high-efficiency tankless and condensing water heaters, and that certification means we're trained on proper sizing, venting, and installation for their systems.
What size water heater do I need?
For a tank system, sizing is generally based on household size and peak usage — how many people are showering, running laundry, or running the dishwasher around the same time. For tankless, sizing is based on flow rate: how many fixtures might run hot water simultaneously and how much temperature rise is needed for your incoming water. We size the unit to your actual household and fixture count rather than guessing.
Do you offer same-day water heater repair?
Same-day and next-day appointments are often available, and a water heater problem is exactly the kind of thing we try to get to quickly. Call us and we'll let you know the soonest we can get a plumber out.
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Tell us what you need — we'll call you right back. Same-day appointments often available.
- Call or Text(925) 222-5590
- ServingSan Ramon & the Tri-Valley
- HoursMon–Fri6 AM – 8 PMSat–Sun9 AM – 4:30 PM
- Licensed & InsuredCA CSLB #1054446
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