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Top-Rated Tankless water heater installers in Cassadaga - Updated Nov 2026

Avatar for Certified Plumbing Services Inc
Certified Plumbing Services Inc
4.8(
123
)
Tankless Water Heater - Install

Serving Cassadaga, FL and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"The situation was more difficult than imagined. The stonecutters had cut the faucet hole too near the sink and the washers and screws could not be installed. He came up with an ingenious solution of filing the washer down, buying longer screws and manually screwing the faucet from above. Two other companies could not figure it out. He also took care of the leaks another plumber could not fix, and came immediately after being called on a Saturday morning!"
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+18

Response time1 day
Response rate100%
Recommended by94%of homeowners
Avatar for Mr. Rooter Plumbing of Melbourne
Mr. Rooter Plumbing of Melbourne
4.6(
16
)
Tankless Water Heater - Install

Serving Cassadaga, FL and surrounding areas

Approved

In business since 1968

Free estimates

Emergency services offered

At Mr. Rooter® Plumbing, we put your plumbing needs first. From clogged sinks to damaged sewer lines, our professional plumbers provide dependable service day or night—with upfront pricing and no overtime charges. Our services include emergency plumbing repairs, drain cleaning, sewer line services, water heater installation and repair, and water filtration system installation and maintenance. Using advanced tools such as camera inspections, HydroScrub® drain cleaning, and trenchless pipe repair, we help keep your plumbing running smoothly. For courteous service and expert care, call your local Mr. Rooter today.

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+5

53 neighbors recently requested a quote
Recommended by46%of homeowners
Avatar for Juniper Home Services LLC
Juniper Home Services LLC
4.4(
7
)
Tankless Water Heater - Install

Serving Cassadaga, FL and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

Licensed and insured plumbing contractor\nLocally owned & Operated\nFull service & remodels\n\n-Thorough communication\n-Thorough diagnosis of your problem with the best possible solutions for you and your budget. \n-We know you are busy and your time is valuable. We strive to be on time and get right to work to quickly diagnose and resolve your issues.

10 neighbors recently requested a quote
Drain Genie Plumbing Services
4.9(
197
)
Tankless Water Heater - Install

Serving Cassadaga, FL and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"We had our main water pipe burst out in the middle of night, and while we lost a lot of water overnight (the bill from the water company hasn't arrived yet), the first one who responded with assistance in less than 24 hours were the guys from Drain Genie Plumbing. John, the owner, sent two plumbers, Adrian and Aaron, who had worked for more than 4 hours until 12:00am (!) and didn't leave before patiently making sure everything was working and in order. The finished the repair and cleaned everything showing the professionalism and patience. I'd definitely hire them again!"
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Bathtub Plumbing
Bathtub Plumbing Pipes

+9

Recommended by97%of homeowners
Avatar for Glenn Tatum Video Camera & Sewer Line Service
Glenn Tatum Video Camera & Sewer Line Service
4.6(
160
)
Tankless Water Heater - Install

Serving Cassadaga, FL and surrounding areas

In business since 2014

Emergency services offered

Credit card accepted

"I called Chris at Glenn Tatum Plumbing Service to give me an estimate on the cost of installing a hot water heater that we had purchased. He quoted me an amount for installation and that was the amount I paid. He estimated that it would be 2 hours to install and it only took 1 1/2 hours. When Chris took the new hot water heater out of the box he noticed that it was dented, he suggested contacting the store we purchased it from to get a refund or a discount. I did call the store and they were able to give me a discount. I had used Chris from Glenn Tatum Plumbing Service just the month prior using Angie's List coupon and he had done such a great job I called him back.
"
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+4

Recommended by89%of homeowners
Avatar for Serviceone Air Conditioning & Plumbing, LLC
Serviceone Air Conditioning & Plumbing, LLC
4.3(
728
)
Tankless Water Heater - Install

Serving Cassadaga, FL and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"After the tankless hot water heater was installed it was throttling the temperature. I called the team and they came out to explain this particular module they installed was ‘demand based’. It required I set the shower to a very warm temperature to engage the water heater or else it would turn off. Seemed strange and untrue since the sinks which have significantly less demand don’t experience this issue no matter how low I turn the temperature. The specialist also suggested it could be my brand new shower head since new hardware can often be low flow. Mine was not but he insisted on removing the gasket for the shower head. Now it leaks and the water still gets cold unless set to very hot. Disappointed."
Response time3 hrs
Response rate88%
Recommended by93%of homeowners
Avatar for Eco One Plumbing Services, Inc.
Eco One Plumbing Services, Inc.
4.1(
183
)
Tankless Water Heater - Install

Serving Cassadaga, FL and surrounding areas

In business since 1994

Small jobs welcome

Credit card accepted

"Scheduling was simple. Chris was my technician and he arrived exactly at the time they promised which was excellent. Chris did a wonderful plumbing repair. Super friendly, kept the workspace clean and exceeded my expectations on the repair quality. Job well done on time and right price. I highly recommend EcoOne Plumbing."
Response time6 hrs
Recommended by92%of homeowners
Avatar for Joseph Grimaldi Plumbing LLC
Joseph Grimaldi Plumbing LLC
5.0(
7
)
Tankless Water Heater - Install

Serving Cassadaga, FL and surrounding areas

In business since 1969

Free estimates

Emergency services offered

"I bought a new hot water heater that needed to be installed. I also had a new toilet to be installed. The water heater was a typical install. The toilet, however, was a different story. The old toilet's bolts had rusted and the flange in the floor had also rusted and was no longer attached. Joe went to the plumbing supply to get the parts needed and was able to install the new toilet without further complications."
Recommended by100%of homeowners
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