How much do tankless water heater services typically cost?
- Knoxville, Tennessee Average$3,309
- Typical Range$2,510 - $4,271
- Low End - High End$700 - $4,500
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Service Pros
Knoxville, TN·
"Super quick and responsive when scheduling the service. Although he didnâ t know about it before hand, he was actually able to move the whole spigot to the other side of the house and barely charged me more. Will definitely have him back in the future when more projects arise."
Nathan W. in August 2024
Seymour, TN·
Plumbing Installations
"Ben has put in a tankless hot water heater for our home, as well as install new gas logs in both fireplaces. He recognized we needed to re-route our gas lines and did so for us. We also sent him to my in laws and he installed new gas logs there as well. Benâ s work is exceptional and immaculate. He pays attention to details and always communicates what he is doing or needs to do. If you are in the market for any gas related work, Mayo Gas Systems should be your first call."
Ronnie M. in November 2021
Knoxville, TN·
Hot Water, Gas Systems, Water Treatment , and 7 more
"Logan took time to explain everything.I love how detail oriented he was .also very clean.Neat, quick and efficient.Thank you. So much logan, it was a wonderful meeting.You"
0F1155854396A867395FECEDAB02078A99B1690A6404F8DC55C0EAC9DC7AC6F0 A. in December 2025
Knoxville, TN·
WATER/ SEWER LINES, DRAIN CLEANING, TANKLESS WATER HEATERS , and 5 more
"Well done work, no problems 7 months after completion! also provided great recommendations on things to look into but did not shove extra services down our throats, will be using again next time I need any plumbing work"
Ramzey O. in December 2023
Knoxville, TN·
Drain Clearing, Water Heaters/Tankless, Plumbing Service , and 2 more
"James Slaven was very courteous, clean, and professional. After evaluating the spigots that we thought needed replacement, he actually talked us out of replacing and at no charge tightened it up & told us to watch for any future leaks. He did replace one spigot and installed a toilet. We will definitely call on him again."
Joyce M. in December 2014
IP
Dandridge, TN·
Plumbing
"Great job ant it took them only 45 minutes"
4EAD13B3B5C9E15BD3F1172F3A0CB83F68D9B7DAB1BD2D5895C7F395BC4C840C 9. in December 2025
Showing 1-6 of 6 results
Costs for related projects in Knoxville, TN
- Hire a Plumber$185 - $509
- Install a Bathtub$2,770 - $7,676
- Install a Sewer Main$546 - $1,907
- Install a Water Heater$1,192 - $2,239
- Repair a Clogged Drain$146 - $422
Related Projects in Knoxville, TN
HomeAdvisor Community Rating
Overall Rating:
Knoxville Plumbers are rated 4.7 out of 5 based on 883 reviews of 883 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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Things to Consider Before Installing a Tankless Water Heating System:
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Recent Job Requests for Plumbers in Knoxville, TN
Project Location: Knoxville, TN Date: 01/31/24Desired Completion Date: Within 1 weekRequest Stage: Ready to HireType of heat source : PropaneLocation: Home/ResidenceIs this an emergency?: YesProject Location: Knoxville, TN Date: 01/22/24Type of Water Heater: TanklessType of heat source : ElectricComment: Diagnose current eco smart 27 tankless hot water heater. A quote to replace it with the same make and model that I will purchase if current one cannot be fixed or is too expensive to repai.
