Best Water Heater Brands from Cheapest to Most Expensive
The global residential water heater market is expected to surpass $46 billion by 2033, reflecting how essential this appliance has become for homes around the world.
With so many options available, choosing the right water heater brand can make a big difference in energy costs, performance, and long-term reliability.
Affirmative Mech has taken a close look at today’s leading water heater brands, spanning tank, tankless, hybrid, and solar models, to help homeowners make informed decisions based on budget and features. This guide ranks the best water heater brands from the most affordable to the most premium, using key criteria like energy efficiency, smart technology, durability, and customer satisfaction.
Here’s what you’ll find in this comprehensive review:
- A breakdown of the major water heater types and how they affect cost and performance
- The specific criteria used to evaluate and rank top brands
- Top-rated brands organized by budget level: entry-level, mid-range, premium, and luxury
- A comparison table highlighting price tiers, product types, warranties, and smart features
- Tips on choosing the right brand based on household size, energy goals, and installation needs
By the end of this article, you’ll have a clear understanding of the best water heater brands available today and which one fits your home, lifestyle, and budget best.
Understanding Water Heater Types
Before comparing the best water heater brands, it’s critical to understand the different types of water heaters available. Each type varies in cost, efficiency, and performance, which directly impacts the brand offerings and their price tiers.
Storage (Tank) Water Heaters
Storage water heaters are the most traditional and widely used type. These units heat and store a fixed amount of water, typically between 30 and 80 gallons, in an insulated tank. When hot water is used, the tank refills and reheats the new water.
- Lower upfront cost compared to other types
- Simple installation and widely available
- Lifespan: 10 to 15 years
- Available in electric, gas, and propane models
While they’re budget-friendly, tank heaters are less energy efficient due to standby heat loss, where energy is used to keep water hot even when not in use[6].
Tankless (On-Demand) Water Heaters
Tankless water heaters heat water only when needed. Instead of storing hot water, they use high-powered burners or electric coils to instantly heat water as it flows through the unit.
- Higher energy efficiency, especially for households with lower daily hot water use
- Compact size, saving space
- Lifespan: 15 to 20 years
- Endless hot water supply
These systems are ideal for homes with limited space or for those prioritizing energy savings. However, they come with higher upfront costs and may require upgraded electrical or gas infrastructure[4][5].
Hybrid and Heat Pump Water Heaters
Hybrid water heaters combine elements of both tank and tankless models. Heat pump water heaters, a type of hybrid, use electricity to move heat from the air into the water tank, making them significantly more efficient than standard electric models.
- Energy efficiency: up to 200% or more
- Lower monthly utility costs
- Rebates often available through energy programs
- Lifespan: comparable to tankless systems
These are particularly effective in warmer climates where ambient air can be used efficiently to heat water[6].
Solar Water Heaters
Solar water heaters use rooftop collectors to absorb sunlight and heat water, which is then stored in a tank. These systems often include a backup electric or gas heater for cloudy days.
- Ideal for sunny regions
- Long-term energy savings
- Environmentally conscious homeowners
Solar systems have a high upfront cost but can significantly reduce long-term energy bills[7].
Key Factors in Brand Evaluation
Affirmative Mech evaluated each brand using a blend of technical performance data and consumer-centric criteria. These factors help distinguish brands beyond just their price points.
Energy Efficiency and Certifications
Energy efficiency was a central factor. Models were assessed for compliance with ENERGY STAR standards, which vary by type:
- Gas tank water heaters: EF ≥ 62%
- Tankless gas units: EF ≥ 90%
- Electric heat pump models: EF ≥ 200%
Higher efficiency means lower monthly bills and reduced environmental impact[6].
Warranty and Durability
A longer warranty often reflects greater confidence in product longevity. Brands were assessed for:
- Standard warranty length (ranging from 6 to 12 years)
- Corrosion-resistant tank linings (e.g., glass or enamel coatings)
- Sediment control systems to prevent internal scaling
Smart Features and Innovation
Technology is now a major differentiator in water heaters. Brands offering features like app control, leak detection, and vacation modes received higher scores.
- Remote temperature monitoring
- Automatic shut-off for leaks
- Integration with smart home systems
Availability and Customer Support
- Sold at Home Depot, Lowe’s, or Sears
- Contractor-only brands offering professional installation
- Accessible customer support and online resources
Budget-Friendly Water Heater Brands
EcoSmart
EcoSmart specializes in electric tankless water heaters that are compact and efficient. Known for their affordability and digital temperature control, they are a go-to for apartments or small homes.
- Entry-level pricing
- Digital temperature settings in 1-degree increments
- Lifetime warranty on some models (for residential use)
- Strong energy efficiency for electric models[5]
Whirlpool
Whirlpool offers reliable gas and electric tank models, widely available through Lowe’s. While basic in features, they are dependable and easy to find.
- Affordable models in various sizes
- Simple controls and standard energy efficiency
- Available nationwide through retail channels[1]
Kenmore
Kenmore provides hybrid and electric water heaters with decent performance at a lower cost. Some models incorporate heat pump technology, improving efficiency.
- Heat pump models available
- Electronic temperature controls
- Moderate warranty coverage
- Sold through Sears and select retailers[1][7]
Mid-Range Water Heater Brands
GE Appliances
GE offers a range of tank water heaters, including heat pump models under the GeoSpring line. Available mainly through Home Depot, GE units are known for reliability.
- Available in multiple capacities
- GeoSpring heat pump models are ENERGY STAR certified
- Good warranty coverage
- Easy to find through retail channels[1]
Bosch
Bosch is recognized for engineering excellence, particularly in tankless systems. Their models are compact and efficient, with a focus on European design.
- High-efficiency tankless units
- Compact design ideal for tight spaces
- Solid warranty and customer service
- Well-rated for reliability[2]
State Water Heaters
Owned by A.O. Smith, State offers tank and tankless models with durable construction. Their products are popular among plumbing professionals.
- Glass-lined tanks for corrosion resistance
- Available in gas, electric, and tankless configurations
- Long-lasting components
- Backed by A.O. Smith’s service network[1][2]
Premium Water Heater Brands
A.O. Smith
As the largest water heater manufacturer in North America, A.O. Smith offers a full range of models including tank, tankless, hybrid, and solar.
- ENERGY STAR certified across many models
- Green technology options with low NOx emissions
- Up to 10-year warranties
- Available through contractors and select retailers[2]
Rheem
Rheem is known for innovation, offering features like EcoNet app control and smart leak detection. Their hybrid and tankless models are especially popular.
- Advanced smart controls and remote monitoring
- LeakGuard automatic shut-off system
- Up to 12-year warranties
- Strong market share in the tankless segment[3]
Bradford White
Made in the USA, Bradford White offers commercial-grade durability in residential models. Their Hydrojet system reduces sediment buildup, and antimicrobial linings improve hygiene.
- Hydrojet sediment reduction
- Vitraglas antimicrobial tank lining
- Extended warranties and professional-grade components
- Sold exclusively through contractors[1][5]
Top Luxury and High-Tech Brands
Rinnai
Rinnai is a global leader in tankless water heaters, offering high-capacity, ultra-efficient systems with smart home integration.
- ENERGY STAR certified tankless models
- Wi-Fi enabled for remote operation
- Compact and sleek design
- Ultra-low NOx emissions[7]
Navien
Navien’s condensing tankless water heaters are among the most efficient on the market, using dual heat exchangers for maximum energy recovery.
- Condensing technology for higher efficiency
- Ultra-low NOx emissions
- Long-term energy savings
- App-based monitoring and controls[7]
Trutankless
Trutankless offers premium electric tankless water heaters with a modern design. Their systems feature touchscreen controls and smart diagnostics.
- Touchscreen interface
- Remote access via smartphone
- High energy factor
- Designed for high-end residential applications[5]
Brand Comparison Table
|
Brand |
Price Tier |
Types Offered |
Warranty |
Smart Features |
Energy Rating
|
|---|---|---|---|---|---|
|
EcoSmart |
Budget |
Electric Tankless |
Lifetime (select models) |
Digital Temp Control |
High |
|
Whirlpool |
Budget |
Gas, Electric Tank |
6–9 years |
Basic |
Moderate |
|
Kenmore |
Budget |
Hybrid, Electric |
6–10 years |
Electronic Controls |
Moderate–High |
|
GE Appliances |
Mid-Range |
Tank, Heat Pump |
6–10 years |
Basic |
High |
|
Bosch |
Mid-Range |
Tankless |
10–12 years |
Compact Design |
High |
|
State |
Mid-Range |
Tank, Tankless |
6–10 years |
Professional Grade |
Moderate–High |
|
A.O. Smith |
Premium |
Tank, Tankless, Hybrid, Solar |
Up to 10 years |
GreenTech Features |
High |
|
Rheem |
Premium |
Tank, Tankless, Hybrid |
Up to 12 years |
EcoNet, Leak Detection |
High |
|
Bradford White |
Premium |
Tank, Tankless |
6–10 years |
Hydrojet, Vitraglas |
High |
|
Rinnai |
Luxury |
Tankless |
Up to 12 years |
Smart Home Integration |
Very High |
|
Navien |
Luxury |
Condensing Tankless |
10–15 years |
Dual Heat Exchangers |
Very High |
|
Trutankless |
Luxury |
Electric Tankless |
10 years |
Touchscreen, Remote Access |
Very High |
Choosing the Right Brand for Your Needs
For Small Homes or Apartments
Compact electric tankless models are space-saving and efficient.
Top Picks: EcoSmart, Kenmore
For Families with High Hot Water Demand
Larger homes benefit from models with higher flow rates and storage capacity.
Top Picks: Rheem Hybrid, A.O. Smith Tank, or Solar Units
For Eco-Conscious Buyers
Energy-efficient and environmentally friendly models reduce carbon footprint.
Top Picks: Navien Condensing Tankless, Bradford White with Hydrojet and Vitraglas, A.O. Smith Solar Units
Maintenance and Installation Considerations
Professional vs. DIY Installation
- Tankless and hybrid models often require professional installation due to complex venting or electrical needs.
- Standard electric or gas tank models may be suitable for experienced DIYers.
Maintenance Features by Brand
- Bradford White: Hydrojet system reduces sediment
- Rheem: Leak detection and app alerts
- A.O. Smith: Advanced diagnostics and corrosion-resistant tanks
Find the Right Fit with Affirmative Mech
Choosing among the best water heater brands depends on your budget, home size, and energy goals. From budget-friendly options like EcoSmart and Whirlpool to premium models from Rheem and Navien, Affirmative Mech’s thorough brand review offers a clear path to picking the right system.
Whether you’re upgrading for efficiency or building a new home, Affirmative Mech can help you select and install the right water heater with confidence. Contact us today for personalized recommendations and expert installation services.