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Top-Rated Tankless water heater repair pros in Cassadaga - Updated Nov 2026

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

Serving Cassadaga, FL and surrounding areas

Approved

In business since 1996

Free estimates

Emergency services offered

"Excellent. Ron made time in his schedule to come over on less than 24 hours notice and checked everything out and replaced our old hot water heated very quickly. He called when he was finished and let us know he had left and locked up and that all was well. We will definitely use him again! (Cost of service was ~$1,000 and included the hot water heater and the service call)"
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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 - Repair

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 - Repair

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 - Repair

Serving Cassadaga, FL and surrounding areas

In business since 2008

Free estimates

Emergency services offered

"I would highly recommend this company. I need a hose bib replaced due to leaking and they responded and completed the repair within a few hours of my contacting them. The two service techs were very professional, knowledgeable and friendly. They did an excellent job with my repairs."
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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 - Repair

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 - Repair

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 - Repair

Serving Cassadaga, FL and surrounding areas

In business since 1994

Small jobs welcome

Credit card accepted

"Frank was friendly and efficient. I had a 15 year old water heater with a slow leak. Service was fast, got it replaced within a few hours of arrival and I feel the pricing was in an acceptable range. He cleaned up the area, better than it was when he arrived. I did find it odd that they only accept cash or checks, no credit cards. I really would have preferred to have paid for with a credit card for various reasons. I do not recall seeing or hearing that fact until it was time to pay, that to me was a bit of a bummer."
Response time6 hrs
Recommended by92%of homeowners
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