Heating and Cooling
Best Water Heater Brands, Recommended by Plumbers and HVAC Experts
- A.O. Smith
Pros: Reliable, long-lasting, easy to maintain, multiple budget options
Cons: Fewer tankless options
Why it’s recommended: A.O. Smith is known for its durability and innovation. Experts praise its long lifespan and excellent warranties. Popular models like the A.O. Smith Signature 500 come with leak detection, auto shut-off, and a mobile app for remote control.

- Rheem
Pros: Energy-efficient, variety of models, constant temperature regulation
Cons: Shorter warranty
Why it’s recommended: Rheem offers reliable, energy-efficient water heaters with good durability. The Rheem Performance Electric Water Heater has an automatic thermostat and a high UEF rating, reducing energy bills.
- Bradford White
Pros: Built-in safety features, eco-friendly, durable
Cons: Expensive
Why it’s recommended: Known for its durability, Bradford White also prioritizes safety and eco-friendliness. The Defender Safety System High-Efficiency Residential Water Heater is especially recommended for its safety features, extending the heater’s lifespan.
- EcoSmart
Pros: Environmentally friendly, lifetime warranty, adjustable thermostat
Cons: High initial setup cost
Why it’s recommended: Specializing in tankless water heaters, EcoSmart is energy-efficient and saves on costs over time. Their 240-Volt Electric Tankless Water Heater offers adjustable water flow and can reduce energy bills by 50%.
Price: Available at Home Depot
- Rinnai
Pros: Large water delivery (for tankless), front-facing adjustable thermostat, Wi-Fi compatible
Cons: Gas-powered models less energy-efficient than electric
Why it’s recommended: Rinnai is a top choice for gas-powered tankless heaters, offering options for large families with high water demand. The heaters are Wi-Fi compatible, providing convenience and energy efficiency.
Key Considerations When Buying a Water Heater:
- Type of Heater: Decide between tankless (more energy-efficient, no storage) or tank (more conventional, larger capacity).
- Energy Efficiency: Look for a high UEF (Uniform Energy Factor) for better energy use.
- Safety Features: Ensure strong safety measures, especially for gas-powered models.
- Size: Choose a model based on your household size, especially for tank-style heaters (e.g., 50 gallons for a 3-bedroom home).
Most Reliable Brand: A.O. Smith, praised for its longevity, efficiency, and excellent warranties.