Who makes the best water heater?

The best water heater brand depends on what you're looking for — efficiency, reliability, warranty, or advanced features. Below are the top-rated water heater manufacturers in 2025:

🔝 Best Water Heater Brands

✅ Rheem

• Type: Tank & Tankless (Gas, Electric, Hybrid)

• Why it's top-rated:

  • Widely available

  • Excellent warranties (up to 12 years)

  • Smart models with WiFi control

  • Good customer service

✅ A.O. Smith

• Type: Tank & Tankless (Gas, Electric, Hybrid)

• Strengths:

  • Durable commercial-grade components

  • ENERGY STAR certified models

  • Great value across price ranges

✅ Bradford White

• Type: Mostly Tank (Gas, Electric)

• Known for:

  • Only sold through licensed plumbers

  • High build quality, long lifespan

  • Popular with professionals

✅ Navien (Best Tankless Option)

• Type: Tankless only (Gas)

• Highlights:

  • Ultra-high efficiency (up to 0.97 UEF)

  • Excellent for large homes

  • Reliable tech support

✅ Rinnai

• Type: Tankless (Gas)

• Best for:

  • Instant hot water

  • Long warranties (up to 15 years)

  • Quiet, compact, high-performance units