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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon127
    Verified water heater services reviews

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Avatar for Modern Plumbing Systems, LLC
Modern Plumbing Systems, LLC
4.8(
523
)
Water Heater - Install or ReplaceWater Heater - Install or Replace - For BusinessWater Heater - Repair or Service+1 more

Serving Fulton, MD and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"What can I say, other than WOW! I first talked to the owner (Brian) at 8:19am to tell him that I needed a water heater replacement and I sit here typing this review at 11:42am after the job is done . What, a complete hot water heater replacement in 3.5 hours from the time of first contact? Who does that!? Technicians Sam and Joseph were top notch. Super courteous guys who know their trade. Price? How about $1000 cheaper than the Len the Plumber! Call Brian at Speedy Water Heaters/Modern Plumbing Systems, you won't regret it!"
 Dirty Jobs
 We repair underground plumbing
 We install every kind of sink and faucet
 Modern Plumbing Systems on the scene
 Under Ground Plumbing

+15

Recommended by98%of homeowners
Avatar for Ehrhardt Brothers Quality Plumbing, Inc
Ehrhardt Brothers Quality Plumbing, Inc
4.8(
432
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Fulton, MD and surrounding areas

Approved

In business since 1992

Warranties offered

Small jobs welcome

"Vince told me outdoor spigot could be repaired and did not need to be replaced which saved me money. He also replaced a vanity faucet which I provided. He was quick, efficient and honest. The most important thing was he discovered a serious problem with the way my water heater was vented. The exhaust pipe had been cut wrong and glued together. It was ready to come apart and could have vented carbon monoxide into the basement. (We do have CO detectors but this is still scary) We had this water heater installed a couple of years ago by another well known local firm that I don't know if I can name here. It did fail inspection by Howard County 3 times after initial install. Failure was all related to the vent and probably should have never passed. Anyway, by pure luck it was discovered and fixed. Thank you Vince!!"
Water Heater
Water Heater
Water Heater
Water Heater
Additional Photos

+40

Recommended by96%of homeowners
Avatar for GAC Services
GAC Services
4.8(
292
)
Water Heater - Install or ReplaceTankless Water Heater - Install

Serving Fulton, MD and surrounding areas

Approved (Corporate)

In business since 1970

Free estimates

Warranties offered

"Fritz B. was my sales rep and he clearly knew what he was doing, including making a few minor recommendations that were in my financial interest. Easy to set up the scope of work. The grew was great, came in and did a great job, took about 6 hours. They even rerouted the exhaust flue for my hot water heater even though they did not replace the heater because the install guy Chris said "they did this dumb". Overall a great experience and I would recommend."
Additional Photos
27 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Water Field, LLC
Water Field, LLC
4.8(
133
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Fulton, MD and surrounding areas

Approved

In business since 2014

Emergency services offered

Warranties offered

"Tess was exceptional. he replaced a leaking old water heater. When I made the call, he was on another job but since water was leaking he came later that evening to address the leakage. He was respectful and hardworking. He came on time and finished the job on time, the project was top notch. His price was very reasonable compared to others."
Internal Excavation
Sewer line extention
Gas water heater
Gas water heater
Sewer line replacement

+4

Response time20 mins
2 neighbors recently requested a quote
Recommended by99%of homeowners
Avatar for Supreme Service Today
Supreme Service Today
4.4(
476
)
Water Heater - Repair or ServiceTankless Water Heater - Repair

Serving Fulton, MD and surrounding areas

Approved

In business since 2004

Free estimates

Credit card accepted

"They were up front with what is wrong. Provided explanation of the quote. Asked permission to get access to places. They explain the reasoning for the cost and the risks if ignored. Pricing was fair. Went above an beyond to solve the water heater issue we had. Even calling in an electrician to help with a fix. They were on-time to early on their scheduled appointments. Excellent customer service."
23 neighbors recently requested a quote
Avatar for Aqueduct Plumbing Services
Aqueduct Plumbing Services
5.0(
29
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Fulton, MD and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"This was a last second thing. Our hot water heater died on us. Left him a message on Tuesday afternoon. He showed up first thing next morning. Right on time. Discussed the job and he gave me a estimate with a small window. And he said he could have me back with hot water in a few hours. Sure enough less then 3 hours later I’m back running. Very good and clean job. Very professional with all aspects of the job which was nice. Best part of it all when it’s time to pay his his price was barely over the low end of his estimate. Everyone else would most likely been barely under the top end of their estimate. So a very good clean job done as a rush for a good price."
Navien Tankless Water Heater with Scale Filter
Moen Pulldown Kitchrn Faucet, Garbage Disposal, & Continuous Waste Drain
Steeped Tea Cafe - Multiple Tasks
PVC Closet Flange Replacement
Moen MotionSense Kitchen Faucet

+19

1 neighbors recently requested a quote
Recommended by65%of homeowners
Avatar for DAY & NIGHT PLUMBER LLC
DAY & NIGHT PLUMBER LLC
4.8(
90
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Fulton, MD and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"Called the main number and the lady I spoke with was very pleasant and easy to work with. Was looking to have a 50 gallon hot water heater installed, 2 drains snaked and a new faucet installed. She booked my appt for the next day. Zam came to the house to provide us the quote and even offered to do half the job then and come back in a few days to do the hot water heater. He was incredibly professional and did a great job on all the work. I highly recommend them and will call them again."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

3 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Mr. Rooter of Maryland
Mr. Rooter of Maryland
4.3(
1,083
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceWater Heater - Install or Replace - For Business+1 more

Serving Fulton, MD and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

"A1 Tech Stephen Loyd with Mr. Rooter Plumbing provided excellent service in removing the old water heater and installing the new water heater. He was professional and provided awesome customer service. Well done!"
Mr. Rooter of Baltimore fleet
Response time50 mins
15 neighbors recently requested a quote
Recommended by84%of homeowners
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Showing 1-10 of 152
Water Heaters questions, answered by experts

The time it takes to install or replace a water heater depends on the type of heater and the complexity of the job. A professional can typically replace a standard tank-style water heater in one to three hours. However, if the work area is tight, such as a small closet or crawl space, the job could take four to five hours. Replacing an existing tankless unit takes about two to three hours, while upgrading from a tank-style to a tankless water heater is more complex and can take four to six hours. The project will take longer if you are switching fuel sources, such as installing a gas heater which can add about an hour to the timeline, or if the unit needs to be relocated.

Due to the high temperature, using stainless steel vent pipes for your tankless water heater’s exhaust vent is best. Also, it is safe to use a flexible vent duct as the exhaust fan. If installing the exhaust fan yourself, make sure you are using heat-resistant silicon to connect the exhaust vent and the duct on your water heater.

Depending on the brand of water heater, you may need to install an expansion tank in order to meet the conditions for warranty coverage. It’s important for consumers to read the fine print of the warranty to see if an expansion tank is necessary. Even if an expansion tank isn’t required for the warranty, it’s usually mandated by building codes—although not for tankless water heaters.

Yes, a water heater can be replaced in a day and can take between two and three hours to install from start to finish. Even if you encounter extra tasks that need to be completed, the job can still be completed in one day.

A tankless water heater with a flow rate of 10 GPM should replace a conventional 50-gallon water heater. To avoid a surprise cold shower or two and to keep your energy costs in check, it's important to replace a conventional tanked water heater with the equivalent tankless water heater. Your household size and the number of hot-water-using devices you use at once can help you determine the best-size tankless water heater.

The Fulton, MD homeowners’ guide to water heater services

From average costs to expert advice, get all the answers you need to get your job done.