Our Top 10 Recommendations for Best Tankless Water Heaters
Up-to-date pricing and reviews for best tankless water heaters on the market
Bestseller No. 1
Rinnai RU199iN Sensei Super High Efficiency Tankless Water Heater, 11 GPM - Natural Gas: Indoor Installation
- RU199iN Sensei SE+ Super High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
- Up to 11 GPM hot water flow rate (varies by groundwater temp)
- 15,000 BTU (Minimum) / 199,000 BTU (Maximum)
- Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
- Endless hot water for your entire home
Bestseller No. 2
Rinnai V65iN High Efficiency Tankless Hot Water Heater, 6.5 GPM - Natural Gas: Indoor Installation
- V65iN HE High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
- Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
- Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
- Endless hot water for your entire home
- Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
Bestseller No. 3
Rinnai RUC98iN Ultra Series Indoor Natural Gas Tankless Water Heater, Twin Pipe
- INDOOR installation only. Fuel Type: NATURAL GAS.
- Concentric or PVC venting option
- Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
- The space-saving design allows Indoor Installation type
- Ultra low NOx emissions
SaleBestseller No. 4
Ecosmart ECO MINI 2.5 2.5-Gallon 120V Electric Mini Tank Water Heater
- Sleek and compact design with digital output temperature display
- ECOSMART tankless water heaters are 99.8-percent energy efficient
- Manufactured in United States
- 12 A
Bestseller No. 5
Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute
- Endless hot water, On-demand usage, Compact, Space saving, Energy conservation
- Computerized safety features, No pilot light to have to worry about
- Satisfies the 2012 SCAQMD Rule 1146.2 for Ultra-Low NOx Emissions
SaleBestseller No. 6
Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
- CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
- LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
- INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
- FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
- EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
SaleBestseller No. 7
Hydro Master 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve, Clean Brass
- Lead Free Brass- Meets all federal & state standards for lead levels in drinking water system components
- Tankless Water Heater Service Valves 500WOG, colored valve handles for easy identification of hot and cold valves
- Include a residential pressure relief valve (150 PSI/500,000 BTU)
- Certified by CSA Group
- Easy to Install
Bestseller No. 8
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small, GREY
- External digital thermostatic control with LED display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
- Simple installation – bottom 3/4 inch NPT water connections
- Threaded for easy replacement, simple installation, digital temperature display
SaleBestseller No. 9
Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater
- 94-Percent Energy efficient with stainless-steel condensing heat exchanger
- Intelligent electronic controls designed to increase energy efficiency and safety
- Third party efficiency listed by AHRI
- Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
- Low Nox Version
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