Top Water Heater Repair & Replacement Companies in Knoxville
1.Pipe Wrench Plumbing, Heating & Cooling
4.8★ (5,863 reviews)
4.8★ from 5863 reviews
Water Heater Repair & Replacement Cost in Knoxville
Local ranges, adjusted for area wage and cost-of-living data.
| Service | Typical range in Knoxville |
|---|---|
| Water heater repair | $188–$657/job |
| Tank water heater replacement | $1,126–$2,345/job |
| Tankless water heater install | $1,876–$4,690/job |
| Flush and maintenance | $94–$235/visit |
Water Heater Repair & Replacement prices in Knoxville run about 6% below the national average, based on what this trade earns in the metro area — so neighbouring cities in the same metro see similar rates.
Quotes on this page come from 6 companies serving Knoxville, rated 5.0★ on average across 8,568 customer reviews.
Knoxville Climate & Seasonal Timing
What Knoxville's weather means for scheduling water heater repair & replacement.
- Last spring frost
- April 11
- First fall frost
- October 30
- Annual precipitation
- 51.93"
- Heating degree days
- 3,955
- Cooling degree days
- 1,339
| Month | Low | High | Precip |
|---|---|---|---|
| Jan | 27.2° | 47° | 4.84" |
| Feb | 29.6° | 51.6° | 4.63" |
| Mar | 36.1° | 61° | 4.64" |
| Apr | 43.7° | 69.8° | 4.31" |
| May | 53.4° | 77.6° | 4.8" |
| Jun | 62.6° | 84.9° | 3.9" |
| Jul | 66.8° | 87.8° | 5.57" |
| Aug | 65.5° | 87.5° | 3.35" |
| Sep | 58.2° | 82.1° | 3.74" |
| Oct | 46° | 71.5° | 2.84" |
| Nov | 36.3° | 60.4° | 4.24" |
| Dec | 29.7° | 49.5° | 5.07" |
NOAA station data 5.01 miles from Knoxville.
Permits & Regulations in TN
Permit typically required
- Plumbing falls under the CMC-A Plumbing and Gas Piping classification of the Tennessee Board for Licensing Contractors
- A full contractor license is required once the plumbing portion of a project reaches $25,000 including materials, equipment and labor
- Projects under $25,000 may instead require the state Limited Licensed Plumber credential, plus local permits and inspection
License required: Tennessee CMC-A contractor license ($25,000+) or Limited Licensed Plumber
Sources: www.tn.gov
Water Heater Repair & Replacement FAQs for Knoxville
How much does water heater repair cost in Knoxville?
Water heater repair in Knoxville typically runs $188-$657; full tank replacement costs considerably more.
How many water heater pros serve Knoxville?
We track 6 water heater specialists and plumbers serving Knoxville.
Do I need a permit to replace a water heater in Knoxville, TN?
In TN, Plumbing falls under the CMC-A Plumbing and Gas Piping classification of the Tennessee Board for Licensing Contractors. Water heater replacement commonly requires a permit in Knoxville because of gas, venting and relief-valve requirements.
Is water heater work in Knoxville more expensive than average?
Water heater work in Knoxville runs about -6.2% versus the national average.
Why does my water heater struggle in Knoxville winters?
When Knoxville lows reach 27F, incoming water is much colder, so a tank takes longer to recover and a heater with sediment or a weak element runs out of hot water sooner.
Is a tankless water heater worth it in Knoxville?
Knoxville averages 3,955 heating degree days a year. The colder the incoming water, the larger a tankless unit has to be to keep up with showers, which drives its price.
How often should a water heater be flushed in Knoxville?
Once a year is standard in Knoxville; flushing removes sediment that shortens tank life. Repairs caught early typically cost $188-$657.
Does summer heat affect water heaters in Knoxville?
Less than winter: with highs near 88F in Knoxville, incoming water is warm and heaters work least, which is why summer is a good time to schedule a replacement.
Explore nearby
Water Heater Repair & Replacement in nearby cities
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- Water Heater Repair & Replacement in Nashville159 mi
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- Water Heater Repair & Replacement in Chattanooga96 mi
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