Top Water Heater Repair & Replacement Companies in Dallas
1.Harlen Johnson HVAC, Plumbing & Electrical
4.8★ (1,208 reviews)
4.8★ from 1208 reviews
Water Heater Repair & Replacement Cost in Dallas
Local ranges, adjusted for area wage and cost-of-living data.
| Service | Typical range in Dallas |
|---|---|
| Water heater repair | $192–$672/job |
| Tank water heater replacement | $1,152–$2,400/job |
| Tankless water heater install | $1,920–$4,800/job |
| Flush and maintenance | $96–$240/visit |
Water Heater Repair & Replacement prices in Dallas run about 4% 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 Dallas, rated 4.7★ on average across 2,956 customer reviews.
Dallas Climate & Seasonal Timing
What Dallas's weather means for scheduling water heater repair & replacement.
- Last spring frost
- March 3
- First fall frost
- November 29
- Annual precipitation
- 37.57"
- Heating degree days
- 2,135
- Cooling degree days
- 2,945
| Month | Low | High | Precip |
|---|---|---|---|
| Jan | 37.3° | 56.8° | 2.06" |
| Feb | 41.1° | 60.8° | 2.59" |
| Mar | 48.5° | 68.7° | 3.49" |
| Apr | 56.2° | 76.7° | 3.07" |
| May | 65.4° | 84.2° | 4.92" |
| Jun | 72.8° | 91.6° | 4.11" |
| Jul | 76.7° | 96° | 2.21" |
| Aug | 76.8° | 96.4° | 1.87" |
| Sep | 69° | 88.7° | 2.84" |
| Oct | 58.2° | 78.5° | 4.79" |
| Nov | 47.6° | 67.1° | 2.88" |
| Dec | 38.5° | 57.5° | 2.74" |
NOAA station data 5.09 miles from Dallas.
Permits & Regulations in TX
Permit typically required
- Plumbers are licensed by the Texas State Board of Plumbing Examiners, which licenses the individual plumber rather than the contracting business
- License tiers are Tradesman Plumber-Limited, Journeyman, Master and Plumbing Inspector, each requiring an examination
- Licensees must complete six hours of continuing professional education annually to renew
License required: Texas State Board of Plumbing Examiners license (Journeyman or Master)
Sources: tsbpe.texas.gov
Water Heater Repair & Replacement FAQs for Dallas
How much does water heater repair cost in Dallas?
Water heater repair in Dallas typically runs $192-$672; full tank replacement costs considerably more.
How many water heater pros serve Dallas?
We track 6 water heater specialists and plumbers serving Dallas.
Do I need a permit to replace a water heater in Dallas, TX?
In TX, Plumbers are licensed by the Texas State Board of Plumbing Examiners, which licenses the individual plumber rather than the contracting business. Water heater replacement commonly requires a permit in Dallas because of gas, venting and relief-valve requirements.
Is water heater work in Dallas more expensive than average?
Water heater work in Dallas runs about -4% versus the national average.
Why does my water heater struggle in Dallas winters?
When Dallas lows reach 37F, 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 Dallas?
Dallas averages 2,135 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 Dallas?
Once a year is standard in Dallas; flushing removes sediment that shortens tank life. Repairs caught early typically cost $192-$672.
Does summer heat affect water heaters in Dallas?
Less than winter: with highs near 96F in Dallas, incoming water is warm and heaters work least, which is why summer is a good time to schedule a replacement.
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