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  • Average homeowner rating star icon3.9
    Average homeowner rating
  • Verified reviews icon10
    Verified water heater services reviews

Top-Rated Water heater pros in Waterloo - Updated Nov 2026

Avatar for Halter Plumbing & Water Works
Halter Plumbing & Water Works
4.9(
99
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Waterloo, NY and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"My wife and I just purchased our first home. We knew before we closed that the water heater seen better days and the previous owner put it in a really tight spot, also backwards. After taking two showers, the water heater set off our carbon monoxide detector, having two kids this worried us a bunch. Halter Plumbing & Heating came out at 8:00 pm to help us, got it all figured out, and stuck around for a while to make sure it would be safe for us. Upon fixing it, I decided to go with a new one, like I said in the beginning, the water heater was in a tough spot, a lot of bad pipes, and backwards. He came in with the best price regardless of all the extra things he would have to do to get it in there. Besides that his price was definitely worth it, his willingness to take on the challenge of a backwards, crammed between a wall, and a fernes"
Response time6 hrs
Response rate87%
4 neighbors recently requested a quote
W. Gray Service-Repair-Installation, LLC
4.8(
72
)
Tankless Water Heater - RepairWater Heater - Repair or Service

Serving Waterloo, NY and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Bill fit me into his busy schedule the same day. He diagnosed a bad zone valve. despite being an obsolete part he found one and was here the next day to install it. a true dedicated contractor. we need more like him."
Response time3 hrs
Response rate100%
Recommended by96%of homeowners
Avatar for Frank N Frank Mechanical Contracting
Frank N Frank Mechanical Contracting
5.0(
5
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair - For Business+3 more

Serving Waterloo, NY and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

Thank you for considering hiring us for your project! At Frank N Frank Mechanical Contracting we pride ourselves on quality work, integrity and competitive pricing. We believe in giving our absolute best, no matter how big or small your project. \n \nWe are experts in our trade, and we will keep you educated and informed throughout the completion of your project. We treat your property like it's our own, with the utmost respect, just like we would our own family! \n \nAs the owner, my aim is to earn a 5-star review on the completion of your project. So, please let me know if at any time we are not living up to earning your perfect 5-star review. \n \nWe look forward to earning your business, so please ask us for references!

1 neighbors recently requested a quote
Astar Heating & Air Conditioning Inc
4.8(
138
)
Solar Water Heater System - InstallTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Waterloo, NY and surrounding areas

In business since 1976

Free estimates

Emergency services offered

"Very glad I did it. I need a new furnace. There's a lot wrong with it. Found out it's almost 15 years old and could die during winter. The tech will get me prices on different ones and will go from there."
Red Carpet Treatment
Furnace
AC
Recommended by98%of homeowners
Avatar for Payne Plumbing, Heating and Air Conditioning, LLC
Payne Plumbing, Heating and Air Conditioning, LLC
4.7(
17
)
Water Heater - Install or ReplaceWater Heater - Repair or Service

Serving Waterloo, NY and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Chris is very organized and easy to work with. He was able to schedule our maintenance visit at our convenience. We appreciated his checking our water heater and he was able to repair a potential leak. We look forward to being a regular customer by signing up for his Priority Partner Plan."
New Steam Boiler
New Toilet
Response time9 hrs
Recommended by93%of homeowners
Areti Plumbing Heating and Cooling
4.4(
40
)
Water Heater - Install or ReplaceWater Heater - Install or Replace - For BusinessWater Heater - Repair or Service+1 more

Serving Waterloo, NY and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"We hired Areti to completely gut and remodel our master bathroom, as well as repair several other aspects of our home (replacing the foyer tile and swapping the closet flooring from carpet to hardwood, installing a new water pump system, resealing skylights, etc). When we initially researched Areti, we learned that it is a young business, but I would encouraged people not to worry about that because they know what they're doing and their work is good. Throughout the process they always emphasized they wanted to make everything exactly the way we wanted it so we would love it--and we do LOVE it! ALL of their employees were VERY friendly and approachable, so I was at ease having them in our home when we weren't there. They were also very prompt at getting back to us with any questions/concerns via phone, text, email, and app. They were always on time when we had an appointment face to face, and we especially appreciate how quickly they came out to fix our water pump when it failed (and this was not part of the original scope of work; but they tackled the extra work without a problem). The quality of their work seems good, however there were a few things that weren't done quite right the first time and that they had to re-do. They do warranty their work, so it didn't cost us more for those hiccups. And Josh and Isaac (who managed our project) seem very thorough in checking the work after its done. Josh also looked over our whole house, basement to roof, and made some suggestions for minor repairs we could do on our own to make our house more functional, safe, and beautiful. We would definitely hire them again for our future home projects. We are very, very pleased with all the work Areti did on our home."
Response time1 day
Recommended by100%of homeowners
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Water Heaters FAQs, answered by experts

When the water expands in a hot water heater, it puts pressure on your hot water pipes and can cause leaks or a rupture in the hot water tank under certain conditions. Pipes or water heaters may split due to the pressure where there is a backflow preventer that prevents the hot water heater from diffusing pressure by releasing water back to the public water line.

In these scenarios, a hot water heater expansion tank provides a place for the hot water heater to relieve pressure and prevent bursts and leaks.

If your water heater is about to celebrate the big 2-0, you may want to consider sending it off to greener pastures. While the water heater may seem to be working well, any conventional, tanked water heater over 10 years of age is at risk of failure. If your water heater is 20 years or older, your best move is to replace your aging heater before it completely breaks down.

The good news is that most home warranty plans cover hot water heaters, regardless of whether you have a tank or a tankless model. Your hot water heater should be covered by your home warranty because it's considered an essential home appliance.

Gas water heaters last between eight and 12 years on average. You can help them reach their maximum lifespan with regular cleanings, maintenance, and professional checkups, though don’t hesitate to swing for a full replacement if the total cost of repairs is greater than that of purchasing and installing a new unit. 

One of the primary benefits of a heat pump water heater is how cost-effective it is. How much you save will depend on your water usage and electricity costs. That being said, we can ballpark savings for the average home of between $100 and $500 per year. You can increase that savings rate by researching and applying available energy incentives available in your area. If you really want to focus on cost, consider a tankless water heater.

The Waterloo, NY homeowners’ guide to water heater services

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