Repair it, or replace it right.
When your water heater stops keeping up, the first question is always the same: fix it or replace it? We can repair your existing water heater when that's the smart, cost-effective call. When it has reached the end of its life, we remove the old unit and install a new one in its place.
We dispose of the old heater for you, so there's nothing left in your garage or utility closet to deal with. And before we install anything, we make sure the new heater fits the space you have available — the right capacity, the right footprint, and the right connections for your home.
- Honest repair-or-replace recommendation for your unit
- We haul away and dispose of the old water heater
- New heater sized to fit the space you have available
Hot water on demand.
Tankless water heaters heat water as you use it, so you get hot water on demand instead of waiting on a tank to recover. Because they only run when you need them, they help save electricity and water over the life of the unit.
Tankless units cost more than traditional heaters up front, but they take up far less space in your home and add value to the property. If you're tight on room or planning to stay in your home for years, a tankless system is often well worth the investment — and we'll help you decide whether it's the right fit.
- Endless hot water on demand, no tank to refill
- Saves electricity and water, frees up floor space
- Adds value to your home over the long run
Plumbers you can trust with the job.
From the first call to hauling away the old unit, you work with one accountable team.
Same-Day Service
No hot water can't wait. We move fast to get your water heater diagnosed and back up and running.
We Do Our Own Work
Our own certified, trained plumbers handle the job — never unknown subcontractors on your property.
Honest Recommendations
We tell you straight whether a repair makes sense or a replacement is the better value — no upselling.
Licensed #994963
Fully licensed California contractor serving San Jose, San Francisco, Oakland and the Bay Area.
Water heater FAQs.
Should I repair or replace my water heater?
It depends on the age and condition of the unit. We can repair your water heater when that's the cost-effective choice. If it has reached the end of its life, we'll recommend replacement, remove the old one, and install a new one in its place — and we'll give you a straight answer either way.
Is a tankless water heater worth it?
Tankless heaters cost more than traditional units up front, but they deliver hot water on demand, save electricity and water, take up less space, and add value to your home. For many homeowners that makes them worth the investment — we'll help you weigh it for your situation.
How long does a water heater installation take?
A straightforward tank replacement is typically done in a few hours. Tankless conversions can take longer depending on gas, electrical, and venting needs. We'll give you a clear timeframe before we start.
Do you haul away the old water heater?
Yes. We remove the old water heater and dispose of it for you, so there's nothing left for you to deal with after the job is done.
Need hot water back today?
Call Unlimited Master Plumbing for water heater repair, replacement, and tankless installation across San Jose and the Bay Area.
📞 Call (408) 995-0120