A 50 gallon water heater is one of the most popular sizes for households with 3 to 5 people. It provides enough hot water for multiple showers, laundry, and dishwashing without running out quickly. Choosing the right water heater size is crucial for comfort, efficiency, and long-term savings.
Whether you’re looking for an electric or gas model, planning a new installation, or considering a replacement, this guide will help you understand cost, benefits, types, and installation tips for a 50 gallon water heater.
Why Choose a 50 Gallon Water Heater?
Many homeowners select a 50 gallon water heater because it strikes the perfect balance between capacity, price, and energy efficiency.
- Enough hot water for families: Ideal for 3–5 people
- Moderate footprint: Fits most utility rooms and basements
- Energy efficiency: Works well with energy-saving settings
- Cost-effective: Cheaper than larger 75-80 gallon tanks while still meeting most households’ needs
Average Cost of a 50 Gallon Water Heater
The cost of a 50 gallon water heater depends on fuel type, brand, and installation requirements. On average:
| Type | Unit Cost | Full Installation |
|---|---|---|
| Electric | $400 – $900 | $600 – $1,500 |
| Gas | $500 – $1,200 | $800 – $2,500 |
Installation costs vary depending on labor, plumbing, electrical upgrades, or gas line adjustments.
Electric vs Gas 50 Gallon Water Heater
Electric 50 Gallon Water Heater
- Pros: Easier installation, low maintenance, energy-efficient
- Cons: Slower recovery time, may increase electricity bills
- Best for: Homes with moderate hot water demand and no natural gas access
Gas 50 Gallon Water Heater
- Pros: Faster recovery, ideal for larger households, lower monthly energy cost
- Cons: Higher upfront cost, venting and gas line installation required
- Best for: Homes with multiple bathrooms or high simultaneous water usage
Tank vs Tankless 50 Gallon Water Heater
While traditional 50 gallon tank water heaters are standard, some homeowners consider tankless options:
- Tank water heater: Stores hot water for immediate use, reliable for households of 3 -5 people
- Tankless water heater: Heats water on demand, may require multiple units to match a 50 gallon tank’s output
How to Install a 50 Gallon Water Heater
Installing a 50 gallon water heater involves several steps:
- Choose the location: Utility room or basement with proper drainage
- Turn off utilities: Shut off water supply, gas or electricity
- Remove old unit: Drain and disconnect plumbing/electrical/gas
- Install new heater: Connect water lines, gas or electric, and venting if required
- Test system: Check for leaks and ensure proper heating
Professional installation is highly recommended to ensure safety and warranty compliance.
Factors That Affect the Cost of a 50 Gallon Water Heater
- Fuel type: Electric vs gas
- Brand & warranty: Premium brands cost more but last longer
- Installation complexity: Plumbing, venting, and electrical upgrades
- Local labor rates: Costs vary by region
How to Maintain Your 50 Gallon Water Heater
- Flush the tank annually to remove sediment
- Inspect the pressure relief valve
- Check the anode rod every 2-3 years
- Set the thermostat to 120°F to prevent scalding and save energy
Common Problems with 50 Gallon Water Heaters
- Water runs out too quickly (wrong size or high demand)
- Strange noises due to sediment buildup
- Leaks or corrosion
- Heating elements failing (electric units)
Regular maintenance prevents most of these issues.
Conclusion
A 50 gallon water heater is an ideal choice for medium-sized households, providing consistent hot water, energy efficiency, and reliable performance. Costs range from $400-$1,200 for the unit and $600-$2,500 installed, depending on fuel type, brand, and location.
Choosing the right size, type, and professional installation ensures your household enjoys uninterrupted hot water for years. If you’re unsure which model fits your home, a licensed plumber can assess your hot water needs, recommend the best option, and ensure proper installation.
