Consistent, efficient hot water is paramount in the modern home. Tankless water heaters have surged, offering on-demand hot water, energy savings, and space efficiency. With our varying seasons and active lifestyles, a reliable tankless system can be a game-changer for Salt Lake Valley residents. We understand the importance of informed decisions at Valley Home Services, so we’ve compiled this in-depth guide to the top 10 tankless water heater brands.
Understanding Tankless Technology
Before discussing specific brands, let’s briefly review how tankless water heaters work. Unlike traditional tank heaters, which store and continuously heat water, tankless units heat water only when needed. This “on-demand” approach eliminates standby heat loss, leading to significant energy savings.
Top 10 Tankless Water Heater Brands
Here’s a breakdown of the leading tankless water heater brands, with a focus on serviceability, maintenance, and warranty:
1. Navien
- Brand URL: navieninc.com
- Overview:
- Navien is known for its high-efficiency condensing tankless water heaters, which often feature advanced technology.
- Maintenance:
- Condensing units require careful maintenance, including cleaning of the condensate system.
- Warranty:
- Navien offers excellent warranties, reflecting the quality of their products.
- Service Difficulty:
- High. Due to the advanced technology, Navien units often require specialized training.
- Key points: Navien is a leader in condensing technology.

2. Rinnai
- Brand URL: rinnai.us
- Overview:
- Rinnai is a global leader renowned for its high-quality, reliable tankless water heaters. It offers various models to accommodate various household sizes and needs.
- Maintenance:
- Annual descaling is crucial, especially in Utah Valley, where hard water is prevalent. Rinnai units generally have user-friendly service ports, but professional maintenance is recommended.
- Warranty:
- Rinnai offers competitive warranties, typically covering heat exchangers for 10-12 years and parts for 5 years.
- Service Difficulty:
- Medium. While some homeowners can do some maintenance, professional service is highly suggested.
- Key points: Rinnai is known for long-lasting units.

3. Noritz
- Brand URL: noritz.com
- Overview:
- Noritz specializes in high-efficiency tankless water heaters, emphasizing advanced technology and performance.
- Maintenance:
- Similar to Rinnai, descaling is essential. Noritz units may require specialized tools for specific maintenance tasks.
- Warranty:
- Noritz provides strong warranties, with variations depending on the model.
- Service Difficulty:
- Medium to High. Specific Noritz models require specialized knowledge.
- Key points: Noritz focuses on high efficiency.

4. Rheem
- Brand URL: rheem.com
- Overview:
- Rheem is a trusted name in water heating, offering a diverse selection of tankless models for residential and commercial applications.
- Maintenance:
- Routine maintenance includes descaling and burner inspection. Rheem units are generally designed for ease of service.
- Warranty:
- Rheem’s warranties are generally good, with varying coverages.
- Service Difficulty:
- Medium. Rheem products are generally servicable by most qualified plumbers.
- Key points: Rheem is a prevalent and trusted brand.

5. A.O. Smith
- Brand URL: aosmith.com
- Overview:
- A.O. Smith is a well-established manufacturer with a comprehensive line of water heating products, including reliable tankless options.
- Maintenance:
- Regular descaling and system checks are necessary. A.O. Smith units are designed with serviceability in mind.
- Warranty:
- A.O. Smith provides solid warranty coverage, reflecting the brand’s commitment to quality.
- Service Difficulty:
- Medium.
- Key points: A.O. Smith is a very long-standing company

6. EcoSmart
- Brand URL: ecosmartus.com
- Overview:
- EcoSmart specializes in electric tankless water heaters, offering energy-efficient solutions for homes with electric utilities.
- Maintenance:
- Electric tankless units require less descaling compared to gas models. However, electrical connections should be checked periodically.
- Warranty:
- EcoSmart offers varying warranties depending on the model.
- Service Difficulty:
- Medium. Electrical tankless units require specialist knowledge of electrical systems.
- Key points: EcoSmart is a leader in electric tankless systems.

7. Takagi
- Brand URL: takagi.com
- Overview:
- Takagi produces reliable and efficient tankless water heaters catering to residential and commercial needs.
- Maintenance:
- Standard tankless maintenance, including descaling, is essential.
- Warranty:
- Takagi provides standard industry warranties.
- Service Difficulty:
- Medium.
- Key points: Takagi provides reliable units.

8. Bosch
- Brand URL: bosch-thermotechnology.us
- Overview:
- Bosch offers a range of tankless water heaters known for their quality and performance.
- Maintenance:
- Routine maintenance is required.
- Warranty:
- Bosch warranties are competitive.
- Service Difficulty:
- Medium.
- Key points: Bosch is a globally trusted brand.

9. Bradford White
- Brand URL: bradfordwhite.com
- Overview:
- Bradford White is a well-respected manufacturer of water heating products, including robust tankless models.
- Maintenance:
- Standard maintenance procedures.
- Warranty:
- Bradford White provides strong warranties.
- Service Difficulty:
- Medium.
- Key points: Bradford White is a very well-respected brand amongst plumbers.

10. Stiebel Eltron
- Brand URL: stiebel-eltron-usa.com
- Overview:
- Stiebel Eltron specializes in high-quality electric tankless water heaters, which are known for their efficiency and durability.
- Maintenance:
- Electrical system checks.
- Warranty:
- Stiebel Eltron provides excellent warranties.
- Service Difficulty:
- Medium to High due to the electrical components.
- Key points: Stiebel Eltron is a leader in electric tankless technology.

Maintenance Considerations in Salt Lake and Utah Valley
- Hard Water:
- The valley’s hard water necessitates frequent descaling to prevent mineral buildup.
- Altitude:
- Altitude can affect combustion in gas tankless heaters, requiring proper adjustments.
- Winter Temperatures:
- Protecting outdoor tankless units from freezing is crucial.
Valley Home Services: Your Tankless Water Heater Experts.
At Valley Home Services, we understand the intricacies of tankless water heater systems. Our experienced technicians are trained to service and repair all makes and models, ensuring your system operates efficiently and reliably. Whether you need annual maintenance, repairs, or a new tankless installation, we’re here to provide expert service. We can repair and install any make and model of tankless water heater. Contact us today at (801) 634-4358 for all your tankless water heater needs.