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TRUSTED BY MORROW, GA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon33
    Verified water heater services reviews

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

Avatar for Atlanta Tankless and Water Heater LLC
Atlanta Tankless and Water Heater LLC
5.0(
47
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Morrow, GA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Warranties offered

Credit card accepted

"Donald Rogerson responded very quickly, analyzed the photos I sent him, knew exactly what to bring, and provided a very reasonable quote over the phone. He reassured me from the start, and took control of the situation with the utmost professionalism and clear communication. His work was impeccable, and he even insisted on cleaning up. I heartily recommend him, not only for water heater issues, but for any indoor plumbing need. He will certainly be my plumber from now on."
Dual Navien Tankless
Dual Navien Tankless
Canton Dual Tankless
Hotel Water Heaters
Water Heater Replacement

+7

Response time2 hrs
Response rate90%
Recommended by82%of homeowners
Avatar for Cool Air Mechanical LLC
Cool Air Mechanical LLC
4.7(
279
)
Tankless Water Heater - Install - For BusinessTankless Water Heater - RepairTankless Water Heater - Repair - For Business+4 more

Serving Morrow, GA and surrounding areas

Approved (Corporate)

In business since 2011

Emergency services offered

Credit card accepted

"Cool Air Mechanical replaced two heaters and AC units in my house that were old and end of life. I have to say one major thing about this company: They are fully professional. 1. They show up on time. 2. They accepted a last-minute request that made the installation superb. 3. They were meticulous on all details. 4. Everything was as clean as when they came in. 5. They were all so very polite and accommodating with any question I had. 6. It is a fully competent staff that, after looking at a job they completed, leaves it looking better than when they started. Of all the contractors that I have had in the past 10 years, they are the only one that has surpassed my expectations. Great job by Elio, Moises, Jean P., Berny and Morris. You guys are the greatest!"
Cool Air Mechanical Techs preparing for a day's work serving customers!
Filter Change
Cool Air Mechanical's Service Team
Loading filters in the trucks. We ensure our trucks are stocked and we have equipment and tools on hand to best serve you!
Cool Air tech headed to a job!

+35

2 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Rooter Pro Plumbing GA
Rooter Pro Plumbing GA
4.8(
37
)
Water Heater - Install or ReplaceWater Heater - Repair or ServiceTankless Water Heater - Repair+5 more

Serving Morrow, GA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"I had a water leak in my front yard & after researching the highest rated Plumbers, I found Rooter Pro Plumbing of Georgia. They had great ratings on Trust Dale Caldwell, Angi's List, & Google. I scheduled a visit with them & Jerimey Jackson came by & did a leak detection. It was determined that I had multiple leads in my water line and he gave me all of my options & pricing. He is an expert on everything to do with plumbing & a great guy too. My water heater is 23 years old, so I decided to replace that as well. Jerimey led the work crew the next day in replacing my water line & water heater replacement. All the work was complete that day & the results are very good! I am very pleased with Rooter Pro Plumbing and the work they performed & the people I dealt with. Even the people in the office were great! I will use them again & recommend them to my friends & family! Paul Taylor"
Well Pump Installation After
Well Pump Installation Before
Well Pump Installation During
Sewer Main Repair
Sewer Main Repair During

+5

Response time4 hrs
Response rate92%
131 neighbors recently requested a quote
AC Plumbing Solutions, LLC
5.0(
16
)
Water Heater - Repair or ServiceWater Heater - Repair or Service - For Business

Serving Morrow, GA and surrounding areas

Approved

In business since 1988

Credit card accepted

Customers say: Quick response

"AC Plumbing Solutions does Awesome Work! Very HONEST, professional, and informative from start to finish. I contacted AC Plumbing after I had a water heater installed by another plumbing company. The prior company (nonstop plumbing) left the gas value open and did not adjust the pressure, so my pipes were making a bunch of noise. We tried to get nonstop plumbing to come back, but they stop answering the phone. My husband managed to stop the gas leak, but we needed someone to come out and fix the knocking noise. That is when we called AC Plumbing Solutions, LLC. They came out quickly and knew exactly what they were doing. Mr. Clayton fixed the problem, was in an out in a short period of time and it did not cost me a fortune. I highly recommend AC Plumbing Solutions, LLC for all your plumbing needs. I will never use another company again."
Response time50 mins
Recommended by100%of homeowners
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Water Heaters FAQs, answered by experts

No. Expansion tanks must be installed on the supply side (where heated water flows out) of the boiler. There’s also a list of other requirements for most boilers, including being above the pressure relief valves, being on the inner side of any circulator, and more. Your installation manual should have more information on expansion tank installation requirements and what sort of tank the system is made for.

Water expands when heated and also when freezing. When water is heated, it expands by around 4%. For a full water heater, this is one of the main reasons malfunctions occur—the hot water has nowhere else to go but out. Due to the constant expansion and reduction in volume, it’s recommended (required in most places) that an expansion tank be installed.

Excessive pressure (above 80 psi) puts too much stress on plumbing pipes, joints, and fixtures. This can lead to leaks and burst pipes. Plus, it shortens the lifespan of appliances, can waste water, and can raise your utility bills. High water pressure might feel like a gift, but it’s actually a silent threat to plumbing.

On average, a tankless water heater should last between 10 and 15 years. Its lifespan will be affected by how much it's used, the effect of weather where your home is on the unit—colder is harsher and will shorten lifespan—and if the heater is maintained appropriately and regularly. There are many signs your water heater needs to be replaced, so pay attention to anything that changes with your heater or hot water.

Several things can void the warranty for your water heater. Many water heater manufacturers state that installing your own will void the warranty. However, even if you get away with performing the task yourself, incorrect installation, lack of a building permit, and improper repair work, regardless of licensing status, can all render your water heater unprotected by both the manufacturer's warranty and any installation warranties. 

The Morrow, GA homeowners’ guide to water heater services

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