• Mon–Sat 8AM–8PM
  • 1374 Stuyvesant Ave, Union NJ 07083
  • 24/7 Emergency Line Always Open
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(973) 900-0430

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Water Heater Replacement in Union County, NJ — Same-Day in Most Cases

Old tank, leaking unit, or just want to upgrade to tankless? Most replacements we complete the same day you call — properly sized, code-compliant, warrantied.

CALL (903) 900-0430

A water heater replacement isn't something you should have to schedule three weeks out. Continental Plumbers stocks the most common sizes on our trucks — so when your tank fails on a Sunday morning, you don't spend the week taking cold showers. We size it correctly for your home (not the biggest one we can sell), we install it to code, and we'll let you know about every NJ rebate and tax incentive you qualify for.

NJ Master Plumber License #9142
Since 1985
4.7★
(1,377 reviews)
BBB
Accredited A+
Same-Day Service
Signs It's Time to Replace

Six Signs Your Water Heater Is Past Repair

Some water heater problems are still a repair. These usually aren’t:
Your Unit Is Over 10–12 Years Old

Tank water heaters typically last 8–12 years. Past that age, you're in borrowed time. Replacing on your terms costs less than emergency replacement after a flood.

The Tank Itself Is Leaking

Not a valve, not a fitting — water coming from the tank wall or seam. Once the tank goes, no repair will hold. Replace immediately to avoid flooding.

Rusty or Brown Hot Water

Internal tank corrosion. The unit is rusting from the inside out, and rust in your hot water is the warning sign.

Energy Bills Keep Climbing

Older units lose efficiency every year — sediment buildup, failing insulation, deteriorating elements. A new high-efficiency unit can cut your water heating costs significantly.

You're Constantly Running Out of Hot Water

If you used to get long showers and now you don't, the tank may be too undersized, full of sediment, or the elements may be failing. Often time for an upgrade.

It's Failed Multiple Times Recently

Two or three repair calls in a year is the unit telling you something. The next failure will probably be the last.

Not sure if it's repair or replace? Read about Water Heater Repair → or call (973) 900-0430 — we'll diagnose and tell you straight.

Choosing the Right Replacement

Tank, Tankless, or Hybrid — Which One Fits Your Home?

Three honest options. The right one depends on your usage, budget, and how long you plan to stay in the home.
Tank Water Heater

Best for: Most Union County homes. Simple swap, lowest upfront cost, 8–12 year lifespan. Gas or electric available.

Tankless Water Heater

Best for: Larger households, homes with high hot water demand, or anyone staying 10+ years. Lasts twice as long as tank, lower energy bills, on-demand hot water.

Hybrid Heat Pump Water Heater

Best for: Eco-conscious homeowners with the right basement setup. Most efficient option. Qualifies for the largest NJ Clean Energy rebates.

We'll walk you through which makes sense for your home, not the most expensive option. Learn more about the three types →

Our Replacement Process

How a Same-Day Water Heater Replacement Works

Four-step process:

Step 1
Phone Diagnosis (5 minutes)
Tell us what's happening, the age of your unit, and the type. Most of the time, we can give you a ballpark over the phone and schedule the same day.
Step 2
On-Site Quote
Licensed Master Plumber arrives, confirms the diagnosis, and gives you a flat-rate quote — including the new unit, install, removal of the old unit, and any code upgrades required. You decide before any work starts.
Step 3
Installation (Same Day in Most Cases)
Old unit drained and removed. New unit installed, vented, and connected. Code upgrades (expansion tank, sediment trap, drip pan) handled as needed. Pressure-tested and checked for leaks.
Step 4
Cleanup and Walkthrough
Old unit hauled away. Area cleaned. We walk you through your new unit — temperature settings, maintenance, warranty paperwork. You're back in hot water by end of day.

Honest note: Tankless conversions cost more upfront than a like-for-like tank replacement. They pay back in energy savings over time. We'll tell you straight whether the math works for your situation before recommending it.

We Get It

The Concerns We Hear About Replacements

"I'm getting three different quotes — and three different recommendations."

Normal in this industry. Some plumbers default to the biggest tank or push tankless because the ticket is bigger. We'll size your replacement based on your actual usage (number of people, bathrooms, peak demand). If a 40-gallon will do, that's what we quote. We don't oversize for sport.

"My old heater has been on borrowed time. I want to replace it before it fails."

The smartest move. Replacing on your schedule is far cheaper than replacing in an emergency — no flooded basement, no rushed decisions, no overpriced "we can come tomorrow" estimates. We can usually schedule planned replacements within a few days.

"Can I afford this right now?"

Most water heater replacements run between a moderate one-time cost and a financed monthly payment that's lower than people expect. We offer Wisetack financing — approved in minutes, no credit impact. NJ Clean Energy Program rebates can also reduce the cost of high-efficiency models significantly.

"I have rental property and the heater just died."

We handle emergency replacements for property managers daily. Same-day in most cases. Clear billing, documented for your records, communication with your tenant — so you don't spend the day on the phone.

The Neighbor Difference

Why Union County Chooses Continental for Replacements

Local since 1985

40+ years replacing water heaters across Union County. We know what fits in these basements.

Honest sizing

We size based on your actual usage, not what makes us the biggest sale.

Same-day replacement

Common sizes stocked on the truck. Most replacements done the same day you call.

Licensed & warrantied

NJ Master Plumber #9142. Manufacturer warranties stay valid. Our installation work is warrantied.

Where We Serve

Water Heater Replacement FAQs

Union Township
Elizabeth
Cranford
Westfield
Linden
Roselle
Hillside
Summit
Springfield
Clark
Rahway
Kenilworth
Scotch Plains
Fanwood
Garwood
New Providence
Berkeley Heights
Mountainside
Roselle Park

Don’t see your town? call (973) 900-0430

Water Heater Installation FAQs

Most replacements same-day or next-day. We stock common sizes on the truck. If yours is leaking or you have no hot water, call (973) 900-0430 — we'll prioritize.
Yes, often. Tankless requires upgraded gas line or electrical capacity, and proper venting — but we handle the assessment and the upgrade during the same install. Larger upfront cost, significantly lower bills long-term.
Yes. NJ Clean Energy Program offers significant rebates on heat pump water heaters and qualifying tankless units. We tell you what you qualify for during the quote — and handle the paperwork if needed.

Yes, through Wisetack — approved in minutes, no credit impact. Useful for tankless or hybrid replacements with higher upfront cost. Learn more →

Yes — included in every replacement. Old unit drained, disconnected, removed from the property, and disposed of properly.
Yes, for most replacements. NJ plumbing code requires permits for water heater installs to ensure proper venting and code compliance. We pull the permit and handle the inspection.