Best Condensing Tankless Water Heater

Written by

Pop Expert

Looking for the Best Condensing Tankless Water Heater available to buy right now on Amazon but don’t want to have to do all the research on the pros and cons of the different types of Condensing Tankless Water Heater?

Pop Expert have put together this list of the top 10 selling Condensing Tankless Water Heater on Amazon – sorted by overall popularity and positive consumer reviews.

The Pop Expert list of top selling Condensing Tankless Water Heater is the ideal place to start when you are trying to find the Best Condensing Tankless Water Heater for your neeeds.

Popular Condensing Tankless Water Heater on Amazon

Details on the Best Condensing Tankless Water Heater

Bestseller No. 1
Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas, Indoor Installation
646 Reviews
Rinnai RU160iN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas, Indoor Installation
  • Endless Hot Water: Our tankless hot water heaters offer unlimited whole-home hot water flow and come equipped with Circ-Logic for pairing with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
  • Energy and Space Efficient: The tankless design of this small hot water heater saves on space and conserves energy as it heats only when necessary
  • Optimal Water Pressure: With a hot water flow rate of up to 9 GPM, this tankless water heater provides a powerful, constant stream that can accommodate up to 6 appliances at once
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your water heater; We do not recommend installing a water heater without a technician
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively; Wifi monitoring available with Controlr module (not included)
Bestseller No. 2
Rinnai RU199iP Condensing Tankless Hot Water Heater, 11 GPM, Propane, Indoor Installation
642 Reviews
Rinnai RU199iP Condensing Tankless Hot Water Heater, 11 GPM, Propane, Indoor Installation
  • Endless Hot Water: Our tankless hot water heaters offer unlimited whole-home hot water flow and come equipped with Circ-Logic for pairing with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
  • Energy and Space Efficient: The tankless design of this small hot water heater saves on space and conserves energy as it heats only when necessary
  • Optimal Water Pressure: With a hot water flow rate of up to 11 GPM, this tankless water heater provides a powerful, constant stream that can accommodate up to 7 appliances at once
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your water heater; We do not recommend installing a water heater without a technician
  • Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively; Wifi monitoring available with Controlr module (not included)
Bestseller No. 3
Rheem Prestige Condensing Tankless Indoor Natural Gas Water Heater 6.8 GPM - RTGH-68VLN-2
  • Hot water without the wait - or the waste
  • Low operating cost - High energy efficiency and water savings setting
  • Space Savings - Compact, space-saving design. Perfect for a tank replacement.
  • Water & Gas Leak Detection will shut down unit and provide an error code
  • For Indoor use only
Bestseller No. 5
Rinnai CU199iN Commercial Natural Gas Condensing Tankless Water Heater, Indoor Installation, 11 GPM
47 Reviews
Rinnai CU199iN Commercial Natural Gas Condensing Tankless Water Heater, Indoor Installation, 11 GPM
  • Energy and Space Efficient Tankless Hot Water Heater: Our commercial hot water heaters feature a space-saving design that conserves energy as it heats only when necessary; Multiple venting options offer installation flexibility
  • Optimal Water Pressure: This tankless water heater offers a high-performance 11 GPM hot water flow rate for the powerful, constant stream your business needs
  • Smart, Reliable Heating: Rinnai Tankless Water Heaters feature Circ-Logic technology, which enables recirculation patterns that coincide with your typical habits; Wi-Fi monitoring creates hot water on demand
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your water heater; We do not recommend installing this appliance without a technician
  • Guaranteed to Last: 8-, 5-, and 1-year commercial warranty for heat exchanger, parts, and labor, respectively

Newest Condensing Tankless Water Heater

New
3000W Tankless Water Heater Electric, Instant Hot Water Heater, Electric Tankless Water Heater 110V, Portable Electric Heater for Sinks, Kitchens, Apartments, Bathrooms(Black)
  • 💧【Instant Heating】Tankless water heater using a stainless steel heating core with 3000w large power, this water heater can deliver constant hot water, allowing you to experience the warmth without storing water for preheating, which saves time/energy and prevents sediment/scale accumulation.
  • 💧【LED Display】The tankless water heater electric of digital screen displays the water temperature(℃/℉ conversion: Press the on/off key, and then press and hold it for more than 6s to switch ℉. Vice versa.), allowing you to keep track of the water temperature.
  • 💧【Mini Appearance】This mini wall-mounted white instant hot water heater with a unique gourd-shaped design and 4.6*2.8*6.3 inches size, the 3.28ft power cable allows for easy installation in your cupboard or under the sink.plays a decorative role and does not occupy much space.
  • 💧【Cost-effective】Only when hot water heater electric is used the water can be heated to the required place, eliminating the waste of unused water in the long water pipeline between the central water heater and each faucet, delivering hot water faster and reducing energy costs.
  • 💧【Safe to Use】When the water flow is turned off, it will directly enter the standby mode, making you more at ease, electric water heater have four protection functions (grounding setting, anti-dry burning, leakage protection, and overheating protection), triangular socket, and IPX4 protection level can effectively ensure safety and let you use it with confidence. It can heat water to 68-122 ° F, so it won't cause burns to you.
New
JHiveGym Electric Tankless Water Heater,3000W Instant Hot Water Heater On Demand Water Heater Under Sink With Remote Control,110V Digital Display On Demand Hot Water Heater (White)
  • Safety and Intelligence: JHiveGym tankless water heater adopts a safe, beautiful, durable, intelligent, ultra-thin and smooth appearance design, which is beautiful and elegant, with simple and direct LCD digital display, intelligent self-inspection, and automatic inspection of working status and performance to ensure safety
  • Energy Saving: Electric water heater adopts frequency conversion design, which automatically adjusts the power input according to the flow and temperature settings. When the water flow is reduced, the system will consume the least electricity, effectively reducing energy waste, which can help you save a lot of heating costs
  • Safe and Reliable: The instant hot water heater has a memory function or an automatic alarm function when the power supply position and failure occur. IPX4 waterproof, leakage protection, dry-burning protection, automatic power-off in over-temperature and inactive states.Leakage protection,when leakage ,the protection device will cut off the power supply immediately
  • Convenience: Multiple gear options, digital display gear and water temperature, easy to adjust, meet seasonal needs, no need to store water, no need to heat or keep warm in advance, hot water can be used as soon as it is turned on, no need to wait,Tankless water heater can keep water out of the water within 24 hours, Energy saving and environmental protection
  • Space Saving: This water heater has a compact appearance, it can be easily installed under the sink, it is very suitable for every corner of your home, no need to occupy an area, enjoy hot water at any time. Make sure it's the right size for you: 3KW at 110V, product measures 9" x 2.5" x 5"
New
LIYUANJUN 9KW Tankless Water Heater, Electric Water Heater with LED Screen & Water Inlet Pipe Touch Control 86-131℉ Adjustable Instant Hot Water Heater for Bathrooms Hair Salons
  • 【High Efficiency】The copper head can greatly commodity cleaning performance. In addition, the IGBT power tube can largely enhance the cleaning agent occupancy rate, and improve the efficiency and service life. You need to operate it to scrub back and forth on the weld several times, and the oxidation black spot will be cleaned immediately. It flexibly removes small gaps and hard-to-touch places, and avoids manual polishin
  • 【Intelligent Adjustment】The welding bead cleaning machine can compensate for unstable voltage through intelligent and frequency adjustment(0-34Hz), automatically identify high and low voltage, and instantly increase the voltage to clean various degrees of yellow spots, black spots and weld spots. It can be more effective in transmitting output voltage information and control functions for easy operator monitoring and management.
  • 【Short-circuit Protection】It has an intelligent short-circuit protection function, even if you make a mistake in the operation and trigger a short circuit, you can effectively protect the motherboard to improve the safety of use. One key at the main power supply to turn on/off the power, no other complicated switching procedures, so you can use it more conveniently.
  • 【Good Material】The welding bead processor is composed of metal chassis, plastic and metal hardware, which makes it very strong, durable, stable performance and has a long service life. Because of its lightweight (5.73lb), you can take it to work or take it home at any time. It has an internal fan for cooling, which can ensure that the machine can also run normally in the hot summer.
  • 【Wide Application】The weld cleaning machine is suitable for metal, arc, etc. It can be used for metal components of various materials and shapes, such as automobiles, aircraft, ships and other vehicles, and can also be used to clean up yellow spots, black spots, marks left by materials in the industrial process, etc.
New
CheriMuMu Electric Tankless Water Heater, 9KW 220/240V LED Digital Display Instant Hot Water Heater, Touch Screen Wall Mounted Compact Water Heater for Kitchen Bathroom Shower Mall Salon (White)
  • 【Sturdy and Durable】The electric tankless water heater is made of high-quality ABS and glass, with high strength, and waterproof properties, so it can withstand wet environments such as kitchens or bathrooms.
  • 【Fast Heating】The tankless design, cast aluminum heater, and strong power (9KW) make the water heated in a few seconds without waiting too long while ensuring healthy water use. You can instantly get the warmth of hot water in the cold winter.
  • 【Work Stably】This electric tankless water heater works stably even at low water pressure (0.02-0.6 MPa), on high floors, or during peak water use, allowing you to enjoy a constant flow of comfortable hot water.
  • 【High Safety】High-temperature protection, anti-dry burn protection, IPX 4 waterproof level, and anti-leakage protection provide this electric tankless water heater with high safety, allowing you to use this product confidently.
  • 【Simple Installation】With a simple structure, complete accessories, standard interfaces, and an English manual, you can easily install the electric tankless water heater on the wall and start to use it quickly.
New
IOENC Mini Electric Tankless Water Heater 4000W 110V Constant Temperature Instant Hot Water Heater with Remote Control Touch Display Screen Hot Water Heater for Home Kitchen Indoor
  • 🚿【HIGH-QUALITY MATERIALS】: This tankless water heater is made of high-quality ABS with good insulation, which is strong, durable, and not easy to deform. Meanwhile, the pure copper power line has good stability, corrosion resistance, strong conductivity, oxidation resistance, and low circuit loss.
  • 🚿【SPACE-SAVING&ENERGY-SAVING】: This tankless water heater doesn't need to store water and only starts to work when hot water is needed, saving you lots of electricity and water. You only need to connect the lower port to the water inlet pipe, and the upper port to the water outlet pipe. Also, the water heater is compact (5.23*10.43*2.55 inches) and can be installed at an angle of 360°, making it suitable for small spaces to avoid wasting space.
  • 🚿【HIGH EFFICIENCY】: Our tankless water heater has a high power of 1300-4000W and can heat water efficiently, evenly, and permanently. Meanwhile, this tankless water heater adopts cast aluminum heating to provide you with hot water in just about few seconds without preheating, saving you lots of time and effort. And this tankless water heater is suitable for water pressure of 0.04-1.2 MPa, so you can use it normally even on high floors or during peak water usage.
  • 🚿【ADJUSTABLE DESIGN】: The power of this water heater can be adjusted and the display screen can display 35 (1300W), 45 (2600W), and 55 (4000W), allowing you to easily grasp the usage status of this product. Meanwhile, the touch control panel allows you to adjust the temperature within 86-131℉, making the water heater suitable for seasonal temperatures. And the touch screen can control the on/off of the water heater, and convert the display to Fahrenheit/Celsius.
  • 🚿【HIGH SAFETY】: This tankless water heater has a waterproof grade of IPx4, making it available to work in a wet environment. And the tankless water heater has lots of protection functions, including high-temperature protection, anti-dry burn protection, ground protection, water&electricity isolation, anti-over-voltage protection, and a double anti-electricity wall. And the electrical system and fluid system are completely separated to prevent leakage and water pipe corrosion.