Top Whole House Water Heater Reviews

Rinnai RU80EN Ultra-NOx tankless Water Heater, Large, Silver

  • Hot Water Heater: Heat the whole house with this boiler featuring a stainless-steel heat exchanger with a modulating wire mesh burner and a built-in domestic hot water plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and integrated control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • adjust the CH temperature between 104°F and 180°F and DHW between 98°F and 140°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
Check Stock

Rinnai i150SN Condensing Gas Boiler, Natural Gas (150K BTU)

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating wire mesh burner and a secondary flat plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • up/down arrows adjust the temperature between 104°F and 180°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
Check Stock

Rinnai i120SN Condensing Gas Boiler, Natural Gas (120K BTU)

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating wire mesh burner and a secondary flat plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • up/down arrows adjust the temperature between 104°F and 180°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
Check Stock

Rinnai i090SN Condensing Gas Boiler, Natural Gas (90K BTU)

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating wire mesh burner and a secondary flat plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • up/down arrows adjust the temperature between 104°F and 180°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
Check Stock

Rinnai i060SN Condensing Gas Boiler, Natural Gas (60K BTU)

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating wire mesh burner and a secondary flat plate heat exchanger for showers and faucets.
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler that warms the house and the tap water.
  • smart heater features a safety child-lock that automatically turns off central heating.
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with easy parameter settings.
  • up/down arrows adjust the temperature between 104°F and 180°F.
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 65 feet and 3-inch up to 150 feet.
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively.
Check Stock

Electric Tankless Hot Water Heater, 18KW 240V On Demand Instant Hot Water Heater with Digital Display Touch Panel, ℉ & ℃ Conversion, Easy Installation for Bathroom Shower Whole House, ETL Certified

  • ♡【18KW INSTANT WATER HEATER】- The electric Tankless Water Heater applied with powerful 18kW heating system supplies sufficient instant and endless hot water in seconds, no waiting for preheating nor terrible temp fluctuation during shower. Perfect companion for single shower, sink faucets, dishwasher, washing machine or whole house..
  • ♡【SAVING SPACE & ENERGY】- This instant hot water heater with compact size perfect and quite space-saving for kitchen, school, hospital, and a hair salon. Tankless, instantaneous heating for on demand hot water, No pre-heating. No stand-by heating loss energy-saving. [WARM TIPS]: Please verify it is the right size for you: 18kW at 240V(only).
  • dimensions 10.24" (W) x 15.16" (H) x 3.7" (D), Plumbing connections :3/4" NPT..
  • ♡【℉ & ℃ CONVERTIBLE TECH】- More considerate is, we consider the users' habit, we upgraded the water heater and equipped with degree conversion button. Through touch screen operation, you can easily convert Fahrenheit and Celsius. It is convenient for you to choose and check the temperature according to your habits..
  • ♡【EASY TO INSTALL & OPERATE】- The 18KW electric tankless water heater comes with digital display & touch control panel so temp setting is a easy job. Best of all, usef....
Check Stock

Tankless Water Heater, Camplux Constant Propane Water Heater, 3.18 GPM On Demand Water Heater, Instant Hot Water Heater, Indoor, Black

  • 3.18 GPM Instant Constant Water Heater -Camplux 3.18 GPM propane tankless water heater delivers 3.18 gallons per minute of on-demand endless hot water ensures constant comfortable instant hot water for 2-3 persons whole house. 3.18-GPM heater is activated by water flow rather than water pressure.
  • Minimum activation water capacity rate: 0.65 GPM-4.8 GPM.
  • Water connection location/size: Bottom/0.5-inch NPT..
  • Easy Installation -The tankless propane water heater uses standard 1/2" NPT water fitting and gas inlet. The gas water heater comes with 2.3" horizontal vent pipe for convenient and quick installation,great for whole home,small cabins and remote apartments use. You can take S/S wall thimble-WT236 for perfect indoor use. You will need a gas regulator ( Camplux model KR-106A )& 1 pc 5/8" NPT male to 1/2" BSP female gas connector adapter if you want to hook this water heater up to a propane tank..
  • Modern Design,Easy Operation -The tankless hot water heater has trendy and modern design with unique black glassy front panel,easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional).The compact size water heater saves more space than traditional tanks..
Check Stock

Tankless Water Heater Propane, Camplux 3.18 GPM Instant Hot Water Heater with Fahrenheit Digital Display, Residential Propane Gas Water Heater for 2-3 Persons Bathroom Indoor Use, White

  • 3.18 GPM Instant Constant Water Heater -Camplux 3.18 GPM propane tankless water heater delivers 3.18 gallons per minute of on-demand endless hot water ensures constant comfortable instant hot water for 2-3 persons whole house. 3.18-GPM heater is activated by water flow rather than water pressure.
  • Minimum activation water capacity rate: 0.65 GPM-4.8 GPM.
  • Water connection location/size: Bottom/0.5-inch NPT..
  • Easy Installation -The propane on demand water heater uses standard 1/2" NPT water fitting and gas inlet. The gas water heater comes with 2.3" horizontal vent pipe for convenient and quick installation,great for whole home,small cabins and remote apartments use. You can take S/S wall thimble-WT236 for perfect indoor use. You will need a gas regulator ( Camplux model KR-106A )& 1 pc 5/8" NPT male to 1/2" BSP female gas connector adapter if you want to hook this water heater up to a propane tank..
  • Modern Design,Easy Operation -The indoor tankless water heater has trendy and modern design with unique white glassy front panel easy to control the water temperature with LED touchscreen (Fahrenheit and Celsius switch optional).The compact size propane tankless heater saves more space than traditional tanks..
Check Stock

Rinnai M060SN Condensing Gas Boiler Natural Gas 60K BTU

  • Hot water heater: Heat the whole house with this boiler featuring a self-cleaning stainless-steel heat exchanger with a modulating ceramic burner and....
  • Smart Features: Multizone control capability allows thermostat and control pumps to connect directly to the boiler of the smart heater that warms the....
  • User-Friendly Interface: Electric heater features a digital display main screen, a temperature and pressure display, and an outdoor reset sensor with....
  • Space-Saving Design: Compact wall-mounted design of this water heater saves space.
  • multiple venting options include a 2-inch PVC up to 60 feet and....
  • Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor....
Check Stock

Propane Tankless Water Heater Indoor, Camplux 5.28 GPM Instant Gas Hot Water Heater for Whole House, 120V AC

  • Tankless Water Heater. No need to wait 30 minutes for preheating and limited use of hot water like with a tank water heater. Enjoy unlimited hot water flow throughout the house.The instant hot water heater is suitable for 2-3 outlets for the whole family..
  • Energy & Space Efficient. This gas tankless water heater has a space-saving design conserves energy as it heats only when necessary. With a UEF of over 0.82, the high energy conversion rate can effectively reduce energy loss, saving the family energy and money..
  • Optimal Water Pressure. Hot water heater with 5.28 GPM and 150,000 BTU heating capacity through propane gas intake. High-performance up to 5.28 GPM hot water flow rate for a powerful, constant stream..
  • Installation Tips. The instant water heater does not include vent pipe ( try Camplux model CP-70 ), hot and cold isolation valves, please purchase separately, professional installation recommended..
  • Multiple Safety Protection. CSA certified in the United states and Canada. The gas hot water heater features 6-in-1 multiple safety protections, you don’t need to drain the water during frozen winters..
  • Quality Guaranty. Camplux offers 2 years of service and you can contact us directly by email if you encounter any problems. We offer 24 shift hours c....
Check Stock

The Compost-Powered Water Heater: How to heat your greenhouse, pool, or buildings with only compost!

  • On demand hotwater heater for ideal for whole house.
  • Electric Water Heater with no hot water tank.
  • WARRANTY: 7-yr leakage free, 5-yr heat exchanger, 2-yr parts.
  • Save up to 50% on your water heating costs.
Check Stock

Watts Premier WHT WH-LD Whole House Filter Kit

  • WHOLE HOUSE WATER FILTER: The Whole House Filter provides cleaner water into your home while protecting your water heater, washing machine, refrigerators, ice-makers and other appliances from the harmful build-up of sediments, dirt and rust..
  • WATER PURIFIER: This system is equipped with a built-in bypass valve for convenient access to the unit for your filter changes or whenever you need to shut it down..
  • WATER FILTRATION SYSTEM: The ports on the system lid are ¾” with stainless steel reinforced inserts to fit all standard household plumbing. This system is equipped with (3) 50 micron sediment filters, ball valve, mounting bracket and housing wrench..
  • EASY TO INSTALL: It uses stainless steel inserts for easy installation with some basic plumbing skills.
  • BEST WATER PURIFIER: Operating Temperature is maximum 100°(F) and minimum 40 °(F).
Check Stock

BLACK+DECKER 36 kW Self-Modulating 6.1 GPM Electric Tankless Water Heater, Multi-Application Hot Water Heater Electric

  • On demand hotwater heater for ideal for whole house.
  • Electric Water Heater with no hot water tank.
  • WARRANTY: 7-yr leakage free, 5-yr heat exchanger, 2-yr parts.
  • Save up to 50% on your water heating costs.
Check Stock