10 Best Heat Pump Water Heaters 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater – ⭐ Best Overall Heat Pump Water Heater

RTEX-13 by Rheem

  • Color: Gray
  • Weight: 0 pounds
  • Dimensions: 12.6 x 8.3 x 3.6 inches
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater
  • 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
  • 54 A

Watts Premier Instant Hot Water Recirculating Pump System with Built-In

Instant by Watts Premier

  • Color: Blue
  • Weight: 6.4 pounds
  • Dimensions: 6.3 x 6 x 5 inches
  • Warranty: 1-Year Limited Warranty
Watts Premier Instant Hot Water Recirculating Pump System with Built-In
  • Kit includes a pump with timer with 10' cord, 2 adapters with rubber washers, valve mounting screws, sensor valve, and two 12-inch supply lines
  • Voltage: 120 volts, Item Weight: 8.5 pounds. Overall Dimension: 6.2 x 6 x 5 inches
  • Provides hot water at every faucet or shower when needed and helps eliminate wasted water
  • Easily installs to existing plumbing and is maintenance-free
  • 24-hour programmable timer activates pump when you need it

EcoSmart 8 KW Electric Tankless Water Heater

ECO 8 by Ecosmart

  • Color: White
  • Weight: 4.75 pounds
  • Dimensions: 12 x 9.5 x 4 inches
  • Warranty: Lifetime Warranty on electronics, exchanger and element. Warranty only covers cost of heater; does not cover labor or any incidental damages.
EcoSmart 8 KW Electric Tankless Water Heater
  • The product is highly durable
  • The product is easy to use
  • Manufactured in China
  • Heating elements are durable and are threaded for easy replacement
  • Activation Flow - 0.3 GPM

UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V – 💲 Best Budget Heat Pump Water Heater

159l by UCEDER

  • Color: black
UCEDER Pool spa Part hot tub LX H20-Rs1 Thermostat 110V
  • Incoloy800 steel Thermostat element very safty and long life.very easty to install and replace, no need do inter adjustment.
  • Suitable bathtub &spa tub /hot tub 2KW /110V-120V,
  • Easy to set your desired termperature within 45 ° C, when temperature up to your setting temperature it will stop automatically. when temperature is dropped down, it will heat up water until your set temperature.
  • suitable for bathtub or hot tub with thermo cover, we suggest water capacity not more than 400 US gallon
  • with 1.5" outlet , min 0.35MPA pressure,suggest work with at least 0.25HP

Ecosmart ECO 36 36kw 240V Electric Tankless Water Heater

ECO 36 by Ecosmart

  • Weight: 18.35 pounds
  • Dimensions: 3.6 x 21 x 17 inches
  • Warranty: Limited Lifetime Warranty
Ecosmart ECO 36 36kw 240V Electric Tankless 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
  • Pipe Fittings:3/4 inch NPT
  • Required Breaker:4 x 40 A
  • 150 A

Stiebel Eltron 233059 Model Accelera 300 E Heat Pump Water – 👑 Premium Pick

Accelera 300E by Stiebel Eltron

  • Weight: 415 pounds
Stiebel Eltron 233059 Model Accelera 300 E Heat Pump Water
  • Designed to provide comfort plus lowest possible energy costs
  • Reduces hot water costs by up to 80%
  • Impressed current anode corrosion protection
  • Redesigned air flow
  • Large tank + single heating element

Rinnai Outdoor Tankless Hot Water Heater / V65eP / Propane

V65EP by Rinnai

  • Color: Propane
  • Weight: 47.4 pounds
  • Dimensions: 9 x 14 x 23 inches
  • Warranty: See Manufacturer
Rinnai Outdoor Tankless Hot Water Heater / V65eP / Propane
  • Endless hot water for your entire home
  • V65eP HE High Efficiency Tankless Hot Water Heater - Propane: Outdoor 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.
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

Hike Crew Portable Propane Water Heater & Shower Pump

HICPWH025 by Hike Crew

  • Color: Grey
Hike Crew Portable Propane Water Heater & Shower Pump
  • PORTABLE OUTDOOR WATER HEATER – Innovative System Runs on Propane Gas Tank to Heat Water for Showering, Washing Dishes, Cleaning Hands & Other Tasks
  • COMFORTABLE CAMPSITE SHOWERS – Includes Water Temperature Control Knob, Hand Faucet/Spigot & Shower Head Attachment w/ [3] Adjustable Spray Patterns
  • PUMP & HEAT ON-THE-GO – Connect AC/DC Adapter to Outlet or 12V Cigarette Lighter to Car for Instant Hot Water; Perfect for Camping, Fishing, Hiking & Hunting
  • AUTOMATIC SAFETY SHUTOFF – Smart Technology Turns Off the Gas Burner When Water Reaches 125°F; Water Flow Sensor & Fuse & Tilt Protection for Added Safety
  • CONVENIENT COMPACT DESIGN – Travel Friendly Heater Arrives With Adapters, Hoses, Attachments & Accessories in a Handy Carry Bag [Propane Not Included]

Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters

FVI12-LP by Eccotemp

  • Color: White
  • Weight: 33 pounds
  • Dimensions: 15.3 x 6 x 24.8 inches
  • Warranty: 2 Year Limited Warranty
Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters
  • Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.
  • For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
  • Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.
  • Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.Minimum 0.65 GPM flow rate

ZZP 240V 3KW Electric Water Heater Thermostat SPA Bath Heater

by ZZP

ZZP 240V 3KW Electric Water Heater Thermostat SPA Bath Heater
  • Note:It is 240V 3KW,only made for US.1.【Automatic Heating】This thermostat is designed specifically for the hot tub, adopted Flow Temperature Sensor TechnologyThe sensor is always under the control of the single-chip microcomputer to accurately and timely monitor the temperature status of the entire heating system and the flow.the water temperature bath maintained at 22-50 degrees Celsius, give your Swimming Pool to create a more comfortable environment
  • 2.【Intelligent Self-checking System】Comprehensively monitor the operating status of the system, and quickly make appropriate judgments and displays, thereby avoiding poor water flow, dry fuel and other failures in the absence of water, and more convenient for the user or maintenance personnel to judge and maintain the fault.
  • 3.【High Quanlity】The heating thermostat liner material is 316# stainless steel and the electric heating tube provided by Duan Baker Company which has good corrosion resistance (chlorine corrosion).
  • 4.【Multiple Protections】The Pool Heater has multiple protections, safety and reliability - over-current, ultra-high temperature, short circuit to the power supply line, and water flow protection.
  • 5.【ST Series Pool Heaters】 special used for small pool less than 5CBM, massage pool and hot spring to heat and keep warm; Meanwhile, can be a assistant for heat pump in heating.This product adopts latest constant temperature controller- -temperature sensor replaces traditional magnetic flow switch,it improves greatly of trouble free in working time, adaptability of water environment and stability.

Similiar Categories