Water Heater Installation & Replacement

Any Problem. Anytime. Anywhere.

Trusted Water Heater Installation and Replacement

When your water heater starts leaking, aging out, or falling behind your household’s demand, it’s time to replace it.

TJ’s Plumbing & Heating, Inc. provides water heater installation and replacement services across Western New York and Northwestern Pennsylvania, covering all major system types, including tank, tankless, gas, electric, and hybrid.

We handle everything in a single visit, from removing the old unit to the final connection. Every installation is done to code with workmanship that holds up for years.

Why Choose TJ's Plumbing & Heating, Inc. for Your Installation?

A hot water heater installation sounds straightforward until you’re dealing with the wrong size, a mismatched fuel source, or venting that doesn’t meet code.

Getting it right from the start is what we have been doing since 1990. Here’s what you get when you work with us.

30+ Years of Local Experience: Our water heater installers have been working across Western New York and Northwestern Pennsylvania homes and commercial properties since 1990. That hands-on history means we know the venting, drainage, and layout configurations that work best for your specific property. When drainage issues arise, you can also count on our drain cleaner in Erie, PA to keep your plumbing system flowing properly.

24/7 Emergency Plumbing Service with Same-Day Response: When a water heater fails without warning, a same-day, around-the-clock response means a replacement unit from a top manufacturer gets installed fast, and hot water is restored the same day.
Silver Status Navien Rewards Partners: We’ve met the highest standards for training and product knowledge on high-efficiency tankless systems. That means you’re getting an installation backed by manufacturer-level expertise.
Financing and Rebates Available: We offer flexible financing options and help you qualify for the highest available rebates on your new system.
Free Estimates: Get a clear, honest assessment of whether repair or replacement is the right call, at no cost and with low diagnostic fees that make it easy to act fast.
Licensed and Insured: Every installation is performed by licensed professionals (P2600019), covered by Federated Insurance, and backed by our 100% Satisfaction Guarantee.

Get Your Free Estimate Today

Water Heater Installation & Replacement Services

Every water heater installation and replacement we do starts with your specific situation — your current system, daily usage, and what you need from the next one. Here’s how we handle both.

Water Heater Installation

No two homes have the same plumbing configuration, load demands, or fuel setup.

Our water heater installation process accounts for all of it. Here’s what we cover:

Evaluating household hot water demand
Confirming electrical or gas supply capacity
Verifying venting and clearance requirements
Installing shutoff valves and safety components
Testing temperature delivery and system performance

Water Heater Replacement

When water heater repairs are no longer keeping up with the wear on your system, replacement becomes the more practical call.

We assess your existing setup and recommend a system that performs better and costs less to run long term.

Our water heater replacement process includes:

Removing the existing unit safely
Inspecting plumbing connections and infrastructure for signs of leaks or damage that need attention
Updating components to meet current code requirements
Installing the new system with proper support and connections
Testing operation for consistent performance

Types of Water Heaters We Service

Every system requires a different installation approach based on how it operates and connects to your home. Here’s what we handle.

Tankless Water Heaters

Our tankless water heater installation includes sizing the unit to your home’s peak flow demand, configuring inlet pressure, and setting up venting to prevent backdrafting — details that determine whether the system performs consistently or struggles under load.

High-Efficiency & Hybrid Systems

These systems rely on two heating methods working in sync. A hybrid water heater installation requires calibrating both the heat pump and electric resistance components to make sure yours draws from the most efficient source for your home’s conditions.

Traditional Tank Water Heaters

Still the most common system in Western New York and Northwestern Pennsylvania homes. We size the unit correctly, install pressure control and safety components, and verify consistent heat delivery before we call a traditional tank water heater installation complete.

Gas Water Heaters

Combustion setup, venting, and gas line connections all have to be precise. Every gas water heater installation we do follows manufacturer and local code specifications, so the system runs safely from the first use.

Electric Water Heaters

Before anything gets connected, we verify electrical capacity, wiring compatibility, and breaker load.

That upfront check is what makes an electric water heater installation run efficiently and safely from the moment it’s switched on.

Solar Water Heaters

Collectors, circulation pumps, controls, and backup heating all have to work as one. Our solar water heater installation covers every component in the system and includes a full operational test before the job is called complete.

Our Brand Partners

The brand you choose affects how your system performs, how long it lasts, and what your warranty covers. We’re trained on the specific components and installation requirements for every brand we work with, so the setup is done to manufacture specs from the start.

Upgrade Your Hot Water System Today

One call starts the process. One visit gets it done. Everything after that is just hot water, whenever you need it. At TJ’s Plumbing & Heating, Inc., our water heater installation and replacement services have earned six consecutive People’s Choice Awards across Western New York and Northwestern Pennsylvania. That recognition reflects the standard we bring to every job. Call now or schedule online, and let’s get started.

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Our Locations

TJ’s Plumbing & Heating, Inc. serves Western New York and Northwestern Pennsylvania across three locations — bringing the same standard of service to every corner of the region.

Erie, PA

1406 East 28th Street, Erie, PA 16504

Warren, PA

Jamestown, NY

1005 Allen Street, Jamestown, NY

Dunkirk, NY

Ferdonia, NY

Fairview, PA (Coming Soon)

6550 West Ridge Road, Fairview, PA 16506

Frequently Asked Questions

How do I choose the right water heater for my home?

The right system comes down to household size, water usage, energy preferences, and available utilities. An on-site evaluation of your setup points to a system that delivers consistent hot water without overloading your budget.

What is the difference between tank and tankless water heaters?

Tank water heaters store and heat a fixed volume of water. Tankless systems heat water on demand, making them more energy-efficient and capable of delivering continuous hot water — provided they’re properly sized and installed for your home.

How long does water heater installation take?

Most installations and replacements finish within a few hours. Tankless systems or jobs requiring gas line or electrical upgrades take longer, and you’ll have a confirmed timeline before work starts.

When should I replace my water heater instead of repairing it?

A system that’s 8 to 12 years old, breaking down repeatedly, or struggling to meet your household’s hot water demand is a strong candidate for replacement over repair.

Are high-efficiency or tankless water heaters worth it?

High-efficiency and tankless systems lower energy costs and perform better under high hot water demand. Whether the upgrade makes sense for your home depends on usage patterns, current setup, and budget — all factors worth reviewing before a decision.