Water Heater Flush Cost
On February 16, 2025 By newsroom Topic: Home Services
- Average Cost: $160
- Cost Range: $75–$250
- Factors Influencing Cost:
- Type of water heater (tank vs. tankless)
- Tank size
- Labor charges
- Location and water hardness
Cost by Water Heater Type
| Type | Cost Range | Average Cost |
|-----------------------|----------------|-------------------|
| Tank Water Heater | $75–$150 | $115 |
| Tankless Water Heater | $150–$250 | $200 |
- Tank Water Heater: Easier and less costly to flush.
- Tankless Water Heater: More complex, requiring additional equipment and labor.
Cost by Tank Size
| Number of Residents | Tank Capacity (Gallons) | Price Range |
|--------------------------|----------------------------|------------------|
| 1–2 | 30–40 | $90–$120 |
| 2–4 | 40–50 | $120–$150 |
| 3–5 | 50–60 | $150–$180 |
| 5+ | 60–80 | $180–$250+ |
- Larger tanks take more time to flush, which can increase labor costs.
Labor Costs
| Plumber Type | Hourly Rate |
|-------------------------|-------------------------|
| Apprentice | $45–$90 |
| Journey-Level | $70–$120 |
| Master | $90–$200 |
- Flat Rate: $100–$400
- Most flushes take 1–3 hours, so expect labor costs to range from $45–$600.
DIY vs. Hiring a Professional
DIY Costs:
- Equipment Needed:
- Bucket: $5–$10
- Garden Hose: $15–$50
- Cleaner: $3–$6 per gallon
- Flush Kit (Tankless): $100–$120
Potential Savings:
- DIY flush: Save $55–$110 compared to hiring a pro.
Considerations:
- While DIY can save money, hiring a pro ensures proper flushing and prevents damage to your unit.
Add-On Services
If hiring a plumber, consider bundling these services:
- Water Softener Installation: $200–$6,000
- Well Inspection: $250–$550
- Pipe Leak Repair: $300–$850
- Toilet Installation: $225–$550
Cost-Saving Tips
- DIY Maintenance: Learn to flush the water heater yourself.
- Buy a Flush Kit: Simplifies the process for tankless models.
- Routine Maintenance: Prevents costly repairs by addressing issues early.
- Compare Quotes: Get at least three estimates from local plumbers.
- Use an Apprentice Plumber: Lower hourly rates for basic tasks.
- Conserve Water: Reducing water usage lowers sediment buildup.
Regular flushing keeps your water heater running efficiently, saving money on energy bills and extending its lifespan.
