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

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. 2

Bestseller No. 3

External adjustable digital thermostatic control with LED display (+/1 degree accuracy
Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM

Bestseller No. 4

External digital thermostatic control with LED display (+/1 degree accuracy)
Most advanced self-modulation, adjust power to meet hot water demand
Durable Copper immersion three heating elements, field Serviceable
Simple installation – bottom 3/4 inch NPT water connections.Threaded for easy replacement, simple installation, digital temperature display
Flow Rate: up to 5.9 GPM

SaleBestseller No. 5

CONVENIENT TANKLESS HOT WATER HEATER: 3. 4 kW output tankless electric water heater eliminates long waits for hot water at point-of-use
EASY INSTALLATION: Easily install under any bathroom or kitchen sink and get on demand hot water at your every need
SPACE SAVING: Mounts on wall vertically or horizontally and is space saving, ultra-compact, and lightweight
GREAT EFFICIENCY: 98% efficient with minimal stand-by loss. Water pressure range of 10-150 PSI
30 A

Bestseller No. 6

Regulates the burner to maintain the set hot water temperature
42,000 BTUs which provides the optimum performance for an RV's plumbing
No special LP gas lines or special plumbing required
Quiet brush-less motor
12 V power that operates at less than 3 A; Freeze protection - designed for winter use

SaleBestseller No. 7

V65iP HE High Efficiency Tankless Hot Water Heater - Propane: 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.10,300 BTU (Minimum) / 150,000 BTU (Maximum)
Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Bestseller No. 8

Endless hot water for your entire home. Dimensions- 7.9 D x 14 W x 21.8 H inches
V53DeP HE High Efficiency Tankless Hot Water Heater - Propane: Outdoor Installation Only
Up to 5.3 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.
Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Bestseller No. 9

CONTINUOUS FLOW – Advanced Flow Control German patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again.
SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically measure water flow. Savings monitor even shows how much you save on energy costs.
EASY OPERATION – Electronic flow sensor switches on the powerful solid copper interior heating system of the water heater. It’s noise free while in use and has a digital temperature display and preset temperature memory buttons.
TEMPRA 24 PLUS – This specific model is 24kW, 240V/208V, requires a min. recommended household electric service of 150 A, and offers an output water temperature of 86˚ to 140˚F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels.
WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability. Our 7-Year Leakage and 3-Year Parts Warranties are included with purchase.

SaleBestseller No. 10