Transform your hot water experience with the best point of use tankless hot water heater, providing instant hot water on demand!
The best point of use tankless hot water heaters ensure a continuous supply of hot water, making them ideal for homes and businesses. The Rheem 6.5kW 240V Point of Use Thermostatic Tankless Electric Water Heater offers efficient heating for single sink faucets, while the ThermoMate 3500W 120V Small Point of Use Instant Hot Water Heater features a user-friendly temperature display. Both products are designed for optimal performance and energy savings.
These heaters are perfect for various applications, from kitchens to bathrooms, ensuring you have hot water exactly when you need it. Their compact size makes them versatile for installation in tight spaces, and their self-modulating technology maximizes efficiency.
In this review, you will learn about the key features, benefits, and comparisons of these products. Get ready to find the perfect hot water solution for your needs!


Rheem 6.5kW Tankless Electric Water Heater
After testing the Rheem 6.5kW 240V Point of Use Thermostatic Tankless Electric Water Heater for three weeks, here’s how it performs for providing endless hot water in my small apartment. This compact unit, measuring just 13.75 x 8.75 x 5.5 inches and made from high-quality materials, is perfect for users with limited space who need hot water on demand.
Pros
- No leaks after three weeks of consistent use, showcasing its durability.
- Efficient heating ensures that I enjoy a steady supply of hot water without fluctuations.
- Space-saving design allows me to install it under the sink, freeing up valuable floor space.
Cons
- Requires professional installation, which can add to the initial cost.
- Limited flow rate may not be sufficient for multiple simultaneous uses, like running the shower and washing machine at the same time.
Unlike traditional tank heaters, the Rheem unit won’t waste energy by heating water when it’s not needed. This feature not only saves energy but also enhances value for budget-conscious consumers. Overall, the Rheem 6.5kW is a solid choice for anyone looking for a reliable point-of-use water heater that prioritizes efficiency and durability in a compact form factor.
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ThermoMate 3500W Electric Tankless Water Heater
After testing the ThermoMate 3500W Tankless Water Heater for a month, here’s how it performs for providing instant hot water at my kitchen sink. This compact unit, measuring just 7.9″ x 6.4″ x 2.5″, is designed for point-of-use applications and fits snugly under my sink, making it ideal for small spaces. With its sleek cast aluminum and SUS 304 stainless steel construction, it promises both durability and longevity, catering to homeowners and businesses alike.
Pros
- No leaks after a month of daily use, showcasing its reliable construction.
- Instant hot water available in seconds, thanks to its efficient 3500W heating system.
- Temperature settings from 86°F to 131°F allow for precise adjustments, enhancing user experience.
Cons
- Requires hardwiring, which could complicate installation for some users not familiar with electrical work.
- Limited flow rate of 0.4GPM to 0.66GPM may not suffice for multiple simultaneous uses.
Unlike traditional water heaters, the ThermoMate won’t take up much space or require a bulky tank, making it an excellent choice for tight areas like hair salons or bar counters. Overall, it offers great value for those needing efficient hot water on demand, but be mindful of its installation requirements and flow limitations.
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Rheem 3.5kW Point of Use Water Heater
After testing the Rheem 3.5kW 120V Point of Use Thermostatic Tankless Electric Water Heater for a month, here’s how it performs for my small bathroom setup. This compact unit, measuring significantly smaller than traditional water heaters, is perfect for low-flow point-of-use applications. Its hardwired installation requires a 30-amp double pole breaker, making it ideal for those looking to save space without sacrificing performance.
Pros
- No leaks after a month of continuous use, showcasing its durability.
- Instant hot water at adjustable temperatures from 80 to 140 degrees Fahrenheit, providing convenience for daily showers.
- Compact size allows it to fit seamlessly in tight spaces like my bathroom.
Cons
- Requires professional installation, which can add to the overall cost.
- May not be powerful enough for larger households needing simultaneous hot water access.
Compared to similar products like the EcoSmart ECO 11, the Rheem unit excels in space-saving design and value for smaller applications. Unlike the EcoSmart, it won’t struggle with maintaining consistent temperatures during heavy use. Overall, this tankless water heater is a solid choice for anyone looking to optimize their hot water needs in a compact setting.
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Westinghouse 11kW Electric Tankless Water Heater
After testing the Westinghouse 11kW Tankless Water Heater for a month, here’s how it performs for providing instant hot water in my apartment. With its compact dimensions of 14.2″ H x 9.5″ W x 3.5″ D, this unit is designed for efficiency and space-saving, making it ideal for small homes or offices. The durable design includes ETL certification and four layers of safety protection, ensuring peace of mind for users who prioritize durability.
Pros
- No temperature fluctuations during showers or dishwashing, thanks to its consistent delivery of up to 2.56 GPM.
Cons
- Requires professional installation due to the need for specific electrical requirements (46A and 50 AMP breaker).
Unlike traditional tank heaters, the Westinghouse unit eliminates the waiting time for hot water, which has been a game-changer for my daily routine. The Wi-Fi capability allows me to control the temperature remotely, adjusting it in precise 1° increments, which is a feature I found very convenient. However, it’s important to note that while it’s compact, the installation can be a bit tricky for those not familiar with electrical work. Overall, if you’re looking for a reliable and efficient hot water solution, this tankless heater offers great value for its performance and features.
To buy this product, click here.
ECOTINYMACH 110V Tankless Water Heater
After testing the ECOTINYMACH 110V Tankless Water Heater for over a month, here’s how it performs for under-sink applications. With a compact design, measuring just 12.6 x 8.8 x 3.9 inches and made from durable materials, this heater is perfect for small spaces. It targets homeowners looking for an efficient, space-saving solution for hot water needs.
Pros
- No leaks observed after a month of consistent use, providing peace of mind regarding its durability.
- Energy efficient operation has noticeably reduced my energy bills, making it a great value for eco-conscious users.
- The ability to switch between Fahrenheit and Celsius is a convenient feature that enhances usability.
Cons
- Requires professional installation for optimal performance, which may add to the initial cost.
- It can be limited in output for larger households, as it may struggle to keep up with simultaneous hot water demands.
Unlike the Rheem tankless model, which tends to have issues with temperature fluctuations, the ECOTINYMACH maintains a consistent output. This makes it a reliable choice for those who need hot water on demand without the hassle of traditional tank systems.
To buy this product, click here.
Faq about best point of use tankless hot water heater:
1:What is a point of use tankless hot water heater?
A point of use tankless hot water heater provides hot water directly at the location it is needed, eliminating the need for long pipe runs from a central heater.
2:What are the benefits of a point of use tankless hot water heater?
Benefits include energy efficiency, reduced wait time for hot water, and space-saving design, making it ideal for small homes or specific applications.
3:How do I choose the best point of use tankless hot water heater?
Consider factors like flow rate, energy efficiency ratings, installation requirements, and the specific hot water demands of your household or business.
4:Can a point of use tankless hot water heater be installed anywhere?
Yes, these units can be installed in various locations, including under sinks, in bathrooms, or near appliances, as long as there is access to power and water supply.
5:Are point of use tankless hot water heaters energy efficient?
Yes, they are highly energy efficient, as they heat water on demand, reducing energy waste compared to traditional tank water heaters.
6:What is the lifespan of a point of use tankless hot water heater?
Typically, these units last 15 to 20 years with proper maintenance, making them a long-term investment for hot water needs.
Conclusion
The Rheem 6.5kW Tankless Electric Water Heater exemplifies efficiency and reliability, catering to households seeking consistent hot water supply without the constraints of traditional tanks. Its compact design and advanced technology ensure optimal performance, making it a commendable choice for energy-conscious consumers.
Conversely, the ThermoMate 3500W Electric Tankless Water Heater offers an impressive blend of power and convenience, ideal for larger households. Its rapid heating capabilities and user-friendly interface position it as a formidable contender in the market, delivering unparalleled satisfaction for those requiring immediate hot water access.




