How long should a water heater last?

Tank water heaters typically last 8 to 12 years. Tankless water heaters can have a lifespan of up to 20 years with proper care, which usually means annual flushing to remove mineral scale. Philadelphia water has moderate hardness, so scaling is a real factor on tankless units that go years without service. Heat pump water heaters fall in between, typically 10 to 15 years.

How much does a water heater cost in Philadelphia?

Pricing depends on the type of water heater, the size, the existing install conditions, and any code or venting changes the new unit requires. Standard tank-to-tank replacements are the lowest-cost option. Tankless and heat pump installs typically run higher because of the additional gas, electrical, or venting work. We provide the firm price on-site after seeing the actual setup. Estimates are free.

What size water heater do I need for my home?

This depends on household size and hot water usage. For tank water heaters, a 40-gallon unit usually serves 1 to 3 people, 50 gallons for 3 to 4, and 75 gallons or larger for 5 or more. Per the U.S. Department of Energy, the better sizing metric is First-Hour Rating (FHR), which measures how much hot water the unit can deliver in one hour of use. We size based on FHR, not tank gallons.

Is it better to repair or replace my water heater?

The answer depends on the unit's age, the failure type, and the repair cost. Older units (over 10 years) with major failures (heat exchanger crack, tank corrosion, sectional leak) are usually better candidates for replacement, especially when the repair cost approaches half the price of a new install. Newer units with a single failed component (thermocouple, dip tube, T&P valve) are almost always worth repairing.

Tankless or tank: which is better?

Depends on the home. Tankless saves significantly on the gas bill (24 to 34 percent for typical-use homes per the U.S. Department of Energy) and lasts longer, but the install cost is higher because of gas line, venting, and electrical requirements. Tank is simpler, cheaper to install, and still the right choice for many Philly row homes where the conversion to tankless is not practical.

Do you install heat pump water heaters?

Yes. Heat pump water heaters are 2 to 3 times more efficient than standard electric tanks because they pull heat from the surrounding air rather than generating it from scratch. They may qualify for a PGW EnergySense rebate or a separate PECO rebate, depending on your utility and the equipment installed. Installation requires sufficient unconditioned space, electrical capacity, and condensate drainage, which we verify during the on-site estimate.

Do you handle gas line work for tankless water heater conversions?

Yes. Gas line work is a regular part of tankless conversions because existing 1/2-inch gas lines are rarely sufficient for tankless flow rates. We pull the L&I permit, do the gas piping upgrade, run the pressure test, and coordinate with PGW for any meter sizing changes. All under our Master Plumber license.

Are there rebates available for water heater installation in Philadelphia?

Yes, for high-efficiency natural gas installs. PGW EnergySense offers rebates to PGW customers for qualifying high-efficiency gas and tankless water heater installs. PECO runs a separate rebate program for its electric customers. Program terms shift year to year, so we pull the current numbers when we're on-site and handle the paperwork your application needs.

Do you offer financing for water heater installation?

Yes. For larger installs (tankless conversions, heat pump installs, full system replacements), we offer instant-approval financing through GoodLeap. That allows you to start the work without paying the full amount upfront, and you can apply any utility rebate you qualify for against the financed balance.

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Water heater repair and installation in Philadelphia, PA

The water heater experts Philadelphia calls for high-quality service and parts

Choose Philadelphia, Bucks County, and Montgomery County’s favorite water heater specialists

Guaranteed Plumbing & Heating specializes in water heater services for homes across the Greater Philadelphia area. We handle the full range: gas tank, electric tank, tankless gas, tankless electric, and heat pump water heater installations and repairs. Per the U.S. Department of Energy, water heating accounts for nearly 20 percent of the average home’s energy use and is typically the second-largest energy expense after heating and cooling, so the system you choose and the way it is installed matters for what shows up on your gas or electric bill every month.

We provide our customers with constant support throughout the process. We answer the phone, we make follow-up calls to confirm the install or repair is performing the way it should, and our Master Plumbers diagnose before quoting so you are not paying for guesses.

I recently just moved into a South Philly Rowhouse. The house needed a few plumbing and heating repairs upon moving in. I have been very impressed by the techs this company sends out! They were helpful, ethical, and fairly priced. As a first time homeowner it is intimidating to have repairs done and not have fear you are being taken advantage of. Everything they quoted was fair and repairs were completed quickly. Very thankful I gave this place a call!

Rachel

Snyder

Guaranteed Plumbing Review

I had a problem with my AC and Antony came over which is one of the foreman. It was very nice very respectful very quick. Explain to me everything so I’m happy.

Kujtim

Bakalli

tenant sent me a text at 7:00 that heat wasn't coming out of vents. I saw the text just after 8 and immediately called Guaranteed and told them the problem. After giving them my tenant's name and # I was done! In less than a couple of hours the service rep was at the property and had uncovered th...

Gary

Lean

The great team of your Plumbers…Ray, Jarron, Brian, & Colin who completed major plumbing repair work @ my Philly home in the past 2 days were phenomenal!🏡🪏🚰 They all worked very hard & steadily; much of the repairs & replacement parts needed involved extensive lifting & digging to reach undergrou...

Patrice

Romanofsky

Service guys was very pleasant and knowledgeable their work is impeccable. My security door didn’t close properly. It was no fault of their own. They didn’t leave until they fixed my door. These guys were great!

Denise

Levins

Water heater repair and installation in Philadelphia, PA

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