Top Rated Water Heaters

A.O. Smith   Signature Series 10-GPM 199000-BTU Indoor Liquid Propane Tankless Water Heater

A. O. Smith's liquid propane tankless water heater uses up to 199,000 BTU/h of propane to deliver a 10-gallon-per-minute flow rate (based on a 35-degree F rise) of continuous hot water when sized appropriately. Therefore, it's suitable for whole-home applications. Tankless models only heat water when needed, making them exceptionally energy-efficient. This condensing indoor unit operates at a 0.93 Uniform Energy Factor (UEF) to reduce energy consumption and save money on energy bills. Its design supports easy indoor wall mounting, saving valuable storage space. Indoor tankless propane water heaters have special installation requirements. Professional installation is required. Call 1-877-GOLowes to get this water heater installed.

A.O. Smith   Signature 500 40-Gallon Short 6-year Warranty 40000-BTU Power Direct Vent Natural Gas Water Heater

A. O. Smith's 40-gallon gas water heater provides efficient and reliable hot water for households with 3 to 4 people when sized appropriately. With an environmentally-friendly 40,000 BTU Low NOx gas burner, this model delivers 74 gallons of hot water in the first hour. It features an electronic gas valve that provides precise temperature control for optimal hot water delivery without an external power source. The gas valve also includes an LED status indicator for diagnostics reporting and a push-button ignition for simplified startups. This natural gas water heater is built to last, featuring Tank Guard® which is designed to provide ultimate tank protection and increase lifespan. This unit comes with a 6-year limited warranty for additional peace of mind. Want to save money on your energy bills? This model is flue damper model operates at a 0.68 Uniform Energy Factor (UEF), minimizing your energy consumption compared to less efficient units. Call 1-877-GOLowes to get this water heater installed.

CRAFTSMAN   29kw 240-volt 5.7-GPM Electric Tankless Water Heater

CRAFTSMAN continues to build pride and improve your quality of living with the convenience, efficiency, and comfort of our digital tankless electric water heaters. Running out of hot water should never be a worry again and now you can now enjoy a continuous supply of hot water only when you need it - all while reducing energy usage, saving up to 50% on energy costs and saving space. The advanced “on-demand” water heating technology will automatically turn on when sensing water flow into the unit and turn off when the flow ceases. Since our tankless water heaters heat water directly without the use of a storage tank and do not require gas lines or ventilation, the sleek/compact design of this water heater allows the flexibility to install virtually anywhere within your residential or commercial environment. CRAFTSMAN electric tankless water heaters are also backed by the assurance of a worry-free 7-year leakage free and 2 years parts only warranty.

Eccotemp   i12 Gas Models 4-GPM 80000-BTU Indoor Natural Gas Tankless Water Heater

The Eccotemp i12 Indoor Natural Gas Tankless Water Heater is rated at an impressive 4.0 GPM with a temperature rise of 38 degrees and 80,000 BTU per hour. Our advanced 0.7 GPM low flow ignition technology allows users to enjoy endless hot water without experiencing cold spots. We recommend the Eccotemp i12-NG for smaller sized single family homes, apartments, condos, and cabins as well as small commercial applications. Using 1-2 hot water applications simultaneously is a breeze with the Eccotemp i12-NG. With our upgraded PCB (Product Control Board) performance and an all new gas modulating valve, consumers can experience reliable temperature performance with a price anyone can afford. The compact, wall mounted Eccotemp i12-NG has a 110/120-volt UL listed power cord that powers the internal Exhaust Fan, Digital Display and PCB. With its fully automated control system, the Eccotemp i12-NG only pulls about 12 amps during operation, making it an ideal for low energy consumption and efficiency. The Eccotemp i12 has been tested at elevations up to 2000 feet. Installation and use of the Eccotemp i12 above 2000 feet may affect overall product efficiency and performance. Installation and use of the Eccotemp i12 above 5000 feet is not recommended. IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.

CRAFTSMAN   Craftsman 18kw Pro-plus Multi Application Electric Tankless Water Heater

CRAFTSMAN continues to build pride and improve your quality of living with the convenience, efficiency, and comfort of our digital tankless electric water heaters. Running out of hot water should never be a worry again and now you can now enjoy a continuous supply of hot water only when you need it - all while reducing energy usage, saving up to 50% on energy costs and saving space. The advanced “on-demand” water heating technology will automatically turn on when sensing water flow into the unit and turn off when the flow ceases. Since our tankless water heaters heat water directly without the use of a storage tank and do not require gas lines or ventilation, the sleek/compact design of this water heater allows the flexibility to install virtually anywhere within your residential or commercial environment. CRAFTSMAN electric tankless water heaters are also backed by the assurance of a worry-free 7-year leakage free and 2 years parts only warranty.

ANZZI   ENVO 240-Volt 14.6-kW-kW 3-GPM Point Of Use Tankless Electric Water Heater

Get hot water on demand right when you need it and only when you need it. Our tankless water heater doesn't pre-heat and stores water like conventional models, so it uses less energy. The heat-on-demand design gives you an endless flow without the need to run your faucet or showerhead until the water warms up, so you use less. No tank means it installs right where water is used - under the sink, in a vanity - to save space. It's the perfect upgrade for smaller or eco-friendly homes.

Atmor   912 240-Volt 29-kW 5.4-GPM Tankless Electric Water Heater

The ATMOR 912 series multi-application tankless electric water heater is an eco-friendly, efficient and convenient solution that delivers a continuous supply of hot water instantly, without the wait and worry of running out. The intelligent on-demand water heating technology will automatically turn on and off by sensing water flow, helping you to reduce water consumption, eliminate costly water waste, and save on energy costs. The compact footprint of this water heater saves you space by simply installing it against the wall either under the sink out of sight or near the point of use, where its elegant design blends into your home environment among other appliances. Unlike a gas water heater, the compact design requires no venting, giving you the flexibility to install anywhere inside your home, office, garage, or even an RV. ATMOR offers a great value with the assurance of the worry-free warranty - 7 years leakage free and 2 years parts only. (IMPORTANT: inlet temps vary by location and seasonality. Selecting the right water heater depends on your incoming water temperature, flow rate, and desired output temperature. – See Performance Guide Images and/or Manual before purchasing.) Should you have any questions and need further assistance, give of our technical support agents a call at 1-888-783-6082, Monday – Friday, 9AM-5:30PM EST.

A.O. Smith   Signature 500 50-Gallon Tall 6-Year Warranty 42000-BTU ULNX Power Vent Natural Gas Water Heater

A. O. Smith's Signature 100 Series Tall Ultra Low NOx 50-Gallon Power Vent Gas Water Heater provides efficient, reliable hot water for households with 5-6 people when sized appropriately. The environmentally friendly 42,000 BTU Ultra Low NOx natural gas burner delivers 46.6 gallons of hot water in the first hour. An electronic gas valve provides precise temperature control for optimum hot water delivery without an external power source necessary. The gas valve also includes an LED status indicator for diagnostics reporting and a push-button ignition to simplify startup. This 50-gallon hot water heater has a built-in safety system to reduce the risk of accidental flammable vapor ignitions. A factory-installed temperature and pressure relief valve and tamper-proof drain valve also ensure safe operation. This model is built to last. It features Tank Guard® which is designed to provide ultimate tank protection and increase lifespan of the water heater. It also features a self-cleaning dip tube to decrease sediment build-up and extend the water heater's overall life. This added protection comes with a 6-year limited warranty to provide peace of mind. Call 1-877-GOLowes to get this water heater installed.

Rinnai   High Efficiency Non-Condensing Residential 5.3-GPM 140,000 BTU Liquid Propane Indoor Tankless Water Heater

RE140iP is the perfect combination of high efficiency, comfort and value in a propane gas tankless water heater from Rinnai. Ideal for small to medium homes or remodels, compact, easy-to-install, reliable and perfect for indoor locations; Rinnai products provide peace of mind with warranties that surpass the competition.

Noritz   Outdoor Natural Gas Tankless Water Heater

Introducing the Noritz NR50OD Tankless Water Heater: Unleash endless hot water on-demand. Embrace the future of efficient water heating technology with this powerful unit. Designed to deliver exceptional performance, the NR50OD ensures consistent temperature control and high flow rates, catering to all your hot water needs. Its compact size allows for flexible installation options, maximizing space utilization. With advanced features and top-notch build quality, the Noritz NR50OD Tankless Water Heater ensures long-lasting reliability and eco-friendly operation. Upgrade to the convenience and energy-saving benefits of tankless technology today.

A.O. Smith   Signature 900 50-Gallon Tall 10-Year Warranty 120-Volt Plug-In Smart Hybrid Grid Capable Heat Pump Water Heater with Leak Detection & Automatic Shut-Off

A. O. Smith's Signature 900 Series 50-gallon Smart Hybrid Grid Capable heat pump water heater provides efficient and reliable hot water for 3 to 5 person households, when sized appropriately. This 120-volt Plug-In Hybrid Electric heat pump water heater from A. O. Smith makes it easier than ever for homeowners to electrify to an energy-efficient option to save money on their utility bills. These models plug into a standard wall outlet for easy installation. Top water connections make it easy to replace an existing gas water heater. A. O. Smith's 120-volt heat pump has smaller room size requirements than other heat pump water heaters and integrated duct adapters for installation in confined spaces. This water heater includes Leak Watch® & Leak Shield® leak protection features for added peace of mind. The smart sensor can alert the user in the event of a leak and the included automatic water shutoff valve will stop additional water from flowing into the water heater. Plus, with integrated iCOMM® smart connectivity you can receive immediate notifications through the free A. O. Smith app. 120-volt heat pump water heaters provide high efficiency water heating which can save homeowners up to $118 on utility bills* compared to a gas water heater. Get up to $2,000 back on your 2023 federal tax return when you purchase an energy efficient heat pump water heater this year. Additional rebates may be available in your local area—see Lowe's rebate center for details. This heat pump comes with a 10-year limited warranty for added peace of mind. Grid Capable design allows smart coordination with utilities to reduce energy use and lower costs. Call 1-877-GOLowes to get this water heater installed.

Atmor   912 240-Volt 29-kW 5.4-GPM Tankless Electric Water Heater

The ATMOR 912 series multi-application tankless electric water heater is an eco-friendly, efficient and convenient solution that delivers a continuous supply of hot water instantly, without the wait and worry of running out. The intelligent on-demand water heating technology will automatically turn on and off by sensing water flow, helping you to reduce water consumption, eliminate costly water waste, and save on energy costs. The compact footprint of this water heater saves you space by simply installing it against the wall either under the sink out of sight or near the point of use, where its elegant design blends into your home environment among other appliances. Unlike a gas water heater, the compact design requires no venting, giving you the flexibility to install anywhere inside your home, office, garage, or even an RV. ATMOR offers a great value with the assurance of the worry-free warranty - 7 years leakage free and 2 years parts only. (IMPORTANT: inlet temps vary by location and seasonality. Selecting the right water heater depends on your incoming water temperature, flow rate, and desired output temperature. – See Performance Guide Images and/or Manual before purchasing.) Should you have any questions and need further assistance, give of our technical support agents a call at 1-888-783-6082, Monday – Friday, 9AM-5:30PM EST.

A.O. Smith   Signature 100 Grid-Capable Electric Water Heaters

Achieve energy savings and reliable hot water delivery with this A. O. Smith Signature 100 Series 40-gallon electric water heater. Designed for homes with 2 to 3 people, this water heater features a low-profile design with top water connections that's ideal for installations with space constraints, such as under vanities and counters or within cabinets. Dual copper heating elements make this energy efficient electric water heater capable of providing hot water fast, while a Uniform Energy Factor (UEF) of 0.92 helps reduce energy consumption. Depend on this A. O. Smith 40-gallon hot water heater for long-term durability in busy homes. An anode rod and ceramic-fused tank shield reduce corrosion within the electric water heater tank, while the self-cleaning dip tube reduces sediment build-up to lengthen service life. A 6-year limited warranty offers added peace of mind during use of this A. O. Smith water heater. Call 1-877-GOLowes to get this water heater installed.

A.O. Smith   Signature Series Super High Efficiency 10.6-GPM 180000-BTU Indoor-Outdoor Natural Gas-Propane Tankless Water Heater

A. O. Smith Signature® Series Premium Condensing Gas Tankless water heater features a built-in recirculation pump provides instant hot water and peace of mind. The built-in recirculation pump offers customers the option to set two recirculation schedules to ensure hot water is ready during peak demand hours. Signature Series Premium Condensing Gas Tankless allows customers the flexibility to install indoors and outdoors. Call 1-877-GOLowes to get this water heater installed.

A.O. Smith   Signature Series Super High Efficiency 10.6-GPM 199000-BTU Indoor-Outdoor Natural Gas-Propane Tankless Water Heater with Scale Prevention

A. O. Smith Signature® Series Premium Condensing Gas Tankless water heater with X3 scale prevention technology and built-in recirculation pump offers customers instant hot water and peace of mind. The X3® scale prevention technology reduces and eliminates scale build-up caused by hard water conditions and lasts up to 3 times longer than models without this technology. The built-in recirculation pump offers customers the option to set two recirculation schedules to ensure hot water is ready during peak demand hours. Signature Series Premium Condensing Gas Tankless allows customers the flexibility to install indoors and outdoors. Call 1-877-GOLowes to get this water heater installed.

Fogatti   Portable Propane Gas Water Heater, Instashower Go 19,000-BTU, with 5000mah Rechargeable Built-In Battery, Dc 12v, Outdoor Camping Shower with Tip-over Protection, Safety Shutoff

As an industry leader in RV and portable tankless water heating, Fogatti tankless camping water heater InstaShower Go revolutionizes convenience with its compact design, delivering instant hot water on-the-go for all your outdoor adventures, ensuring you never have to compromise on comfort.

Fogatti   Portable Propane Gas Water Heater, Instashower Go 22,000-BTU, with 5000mah Rechargeable Built-In Battery, Dc 12v, Outdoor Camping Shower with Tip-over Protection, Safety Shutoff

FOGATTI InstaShower GO Pro is a compact and portable shower system designed for outdoor use. Heated by propane, it provides hot water in seconds for showering, washing dishes, cleaning hands and other tasks. Dimensions are 18.2'' x 6.5'' x 13.5''. It is light-weight and easy to store, making it an ideal companion for camping, hiking and other outdoor adventures.

A.O. Smith   Signature Series Super High Efficiency 10.6-GPM 160000-BTU Indoor-Outdoor Natural Gas-Propane Tankless Water Heater with Scale Prevention

A. O. Smith Signature® Series Premium Condensing Gas Tankless water heater with X3 scale prevention technology and built-in recirculation pump offers customers instant hot water and peace of mind. The X3® scale prevention technology reduces and eliminates scale build-up caused by hard water conditions and lasts up to 3 times longer than models without this technology. The built-in recirculation pump offers customers the option to set two recirculation schedules to ensure hot water is ready during peak demand hours. Signature Series Premium Condensing Gas Tankless allows customers the flexibility to install indoors and outdoors. Call 1-877-GOLowes to get this water heater installed.

A.O. Smith   Signature Series Super High Efficiency 10.6-GPM 180000-BTU Indoor-Outdoor Natural Gas-Propane Tankless Water Heater with Scale Prevention

A. O. Smith Signature® Series Premium Condensing Gas Tankless water heater with X3 scale prevention technology and built-in recirculation pump offers customers instant hot water and peace of mind. The X3® scale prevention technology reduces and eliminates scale build-up caused by hard water conditions and lasts up to 3 times longer than models without this technology. The built-in recirculation pump offers customers the option to set two recirculation schedules to ensure hot water is ready during peak demand hours. Signature Series Premium Condensing Gas Tankless allows customers the flexibility to install indoors and outdoors. Call 1-877-GOLowes to get this water heater installed.