Water Heaters
Discover our top 10 tankless water heaters for endless hot water on demand. Compare energy-efficient models that save space and money.
Last Updated - January 10, 2025 -
Advertising Disclosure
Enjoy a warm and cozy shower anywhere with the Thermomate AZ132 5L Portable Gas Water Heater, perfect for outdoor enthusiasts and campers. This instant gas water heater features a compact design, low-pressure startup, and energy-saving technology. With its easy installation and comprehensive accessories package, it's a great choice for anyone who wants a reliable and efficient portable water heater.
INSTANT ENDLESS HOT WATER - Thermomate gas water heater instantly delivers 5L/min of hot water at 25°C temperature rising, with 0.25 bar low water pressure startup. Ideal for low water pressure areas.
PORTABLE HANDLE & LIGHTWEIGHT -With compact and lightweight design, the lpg water boiler is suitable for outdoors activities. It is a great partner for an amazing hot shower when you are camping, hiking , beaching, etc. Besides, you can also wash your pets with this 5L gas shower , or provide hot water for tub.
ENERGY SAVING -Thermomate portable propane water heater is equipped with 3-ROW harmonica style burner, which can decrease gas consumption and will save 11.5% energy. The tankless water heater heats the required amount of water directly from the source, giving you an endless supply of hot water when you need it.
CE-CERTIFIED GAR EU STANDARD - Anti-freezing apparatus drains the residual water to avoid damage of freezing under cold areas to the gas boiler or in case of a long time no use. Featuring overheating and flameout protection, the gas supply will shut off automatically under unexpectedly flame out or high water temperature over 80°C.
EASY INSTALLATION - Thermomate tankless water heater takes 10 minutes to complete the installation and setup following the user manual, Powered by 2 "D" batteries (not included). Provide customer service around the clock.
Ideal for homeowners and DIY enthusiasts, this instant electric water heater provides fast and efficient hot water, with a compact design and easy installation. Its advanced flow control and temperature regulation make it perfect for sinks, basins, and other applications, while its durable construction ensures long-lasting performance.
2S INSTANT HEATING & ENDLESS HOT WATER - Turn on the water tap and endless hot water will come out within 2 seconds on demands when require, hence you will never run out of hot water and only pay for what you really use. Savings of up to 50% on water heating costs.
EXCLUSIVE ADVANCED FLOW CONTROL & WATER LEAKAGE PREVENTION - Unique technology is applied to improve water flow and prevent any water from splashing or dripping. You can adjust the flow rate you want to meet your needs in any time. Maximum hot water flow rate: 3L/min
FLEXIBLE INSTALLATION - When inverting the installation, the numbers automatically flip over. When the electric washbasin is in operation, the LED displays the current water temperature in real time, so you can easily get hot water at the desired temperature. The temperature range of 35 to 55°C can be selected by touch control.
EXCEPTIONALLY DURATION - Built in high quality alloy bare heating element, it is corrosion-resistant and acid-resistant; flowing water prevents limescale from building up, which prolongs its service lifespan.
TWO INSTALLATION APPLICATIONS OPTIONAL - Functional for both over sink and under sink installation, display will reverse automatically. Act as primary heater, with water being injected from cold mains directly; Act as booster heater, with hot water being injected from a storage tank. It is free to connect to a mixer tap.
Upgrade your kitchen with this Briwellna instant hot water tap, ideal for busy homeowners and cooking enthusiasts. With its digital display, 360° swivel spout, and multiple safety features, you can enjoy convenient and efficient hot water access.
✬ High Quality Material Manufactured with eco-friendly ABS plastic housing and buid-in 304 stainless steel heating tube, Briwellna faucets are long-lasting and durable.
✬ 360 Degrees Swivel Spout The spout is designed for 360 degrees swivel with gooseneck for full access of the sink. It can be used on double sinks.
✬ Digital Temperature Display A temperature sensor gives an accurate digital external reading of the current water temperature. Designed with digital display, the current temperature is clear at a glance, which is comfort and safe in daily use especially for children.
✬ Hot and Cold Dual Use Temperature of hot water outflow depends on the water temperature from inlet as well as the volume of water flow. It's varied from 25℃ to 55℃ in general. Grip lever provides easy temperature control. Turn downward the lever, hot water outflow decreases and water temperature goes up. The smaller the water flow, the higher the temperature.
✬ Multiple Security Protection Leakage protection, IPX4 waterproof, Dry heating protection, Water-electricity isolation, Auto power-off at inactive state, Over-temperature automatic power-off. We also offer one-year warranty and whole-life technical support.
The Ariston ANDRIS LUX ECO 10 L Undersink Electric Water Heater is a great choice for those looking for an energy-efficient and reliable water heating solution. Its 'A' ErP rating, Eco Evo function, and anti-legionella function make it perfect for homes, hospitals, and schools.
Water heater designed and manufactured to be installed in UK.
First in Class ErP rating “A” across all models: With its electronic temperature control and its Eco Evo Function, the Andris Lux Eco is an energy efficient electric water heater boasting an “A” ErP energy rating across the whole range.
“Eco Evo” function: Thanks to the ECO EVO function, Andris Lux Eco remembers when and how much hot water you use. In this way the function will not only provide hot water efficiently, buti t will also and above all saving up to 15% on your energy bill.
Anti-legionella function for total peace of mind: Once a month, this mini-tank electric water heater automatically increases the water temperature up to 65°C, in order to eliminate the risk of legionella bacteria developing. Ideal for applications such as hospitals, schools and care homes.
Eco Display: The unit’s smart, user-friendly display is easy to use and provides precise electronic temperature control, allowing the user to set the desired temperature for every need. The button “ECO” indicates when the Eco Evo Mode is activated and the LED indicator provides a visual guide to the water temperature inside the tank. In yhis way, you can have the hot water you need, when you need it, without any effort.
Titanium Enamelled Tank/Enhanced Anti-Corrosion: With its proprietary titanium tank engineering, the Andris Lux Eco boasts exceptional durability and an extended product life. In addition, with its robust 4 bolt flange and copper heating element, this efficient water heater offers improved protection against water corrosion.
Ideal Installations: Medical Environments Laboratories School Facilities
Fully UKCA certified to be installed in the UK Market.
Ideal for UK households, this electric water heater boasts an 'A' ErP rating and Eco Evo function for optimized hot water supply. The anti-legionella feature and user-friendly display make it a great choice for homes with multiple users. Its durable titanium tank construction and adjustable temperature control ensure a reliable and efficient hot water experience.
Water heater designed and manufactured to be installed in UK
First in Class ErP rating “A” across all models: With its electronic temperature control and its Eco Evo Function, the Andris Lux Eco is an energy efficient electric water heater boasting an “A” ErP energy rating across the whole range
“Eco Evo” function: Thanks to the ECO EVO function, Andris Lux Eco remembers when and how much hot water you use. In this way the function will not only provide hot water efficiently, buti t will also and above all saving up to 15 Percentage on your energy bill
Anti-legionella function for total peace of mind: Once a month, this mini-tank electric water heater automatically increases the water temperature up to 65°C, in order to eliminate the risk of legionella bacteria developing. Ideal for applications such as hospitals, schools and care homes
Eco Display: The unit’s smart, user-friendly display is easy to use and provides precise electronic temperature control, allowing the user to set the desired temperature for every need. The button “ECO” indicates when the Eco Evo Mode is activated and the LED indicator provides a visual guide to the water temperature inside the tank. In yhis way, you can have the hot water you need, when you need it, without any effort
Titanium Enamelled TankEnhanced Anti-Corrosion: With its proprietary titanium tank engineering, the Andris Lux Eco boasts exceptional durability and an extended product life. In addition, with its robust 4 bolt flange and copper heating element, this efficient water heater offers improved protection against water corrosion
Ideal Installations: Medical Environments Laboratories School Facilities
Fully UKCA certified to be installed in the UK Market
Ideal for homeowners who want a reliable and efficient water heating solution, this electric water heater offers a range of features, including a titanium enamelled tank, electronic temperature control, and a compact design. Its eco-friendly design, anti-legionella function, and UKCA certification make it perfect for use in various settings, from homes to commercial establishments.
Water heater designed and manufactured to be installed in UK.
First in Class ErP rating “A” across all models: With its electronic temperature control and its Eco Evo Function, the Andris Lux Eco is an energy efficient electric water heater boasting an “A” ErP energy rating across the whole range.
“Eco Evo” function: Thanks to the ECO EVO function, Andris Lux Eco remembers when and how much hot water you use. In this way the function will not only provide hot water efficiently, buti t will also and above all saving up to 15% on your energy bill.
Anti-legionella function for total peace of mind: Once a month, this mini-tank electric water heater automatically increases the water temperature up to 65°C, in order to eliminate the risk of legionella bacteria developing. Ideal for applications such as hospitals, schools and care homes.
Eco Display: The unit’s smart, user-friendly display is easy to use and provides precise electronic temperature control, allowing the user to set the desired temperature for every need. The button “ECO” indicates when the Eco Evo Mode is activated and the LED indicator provides a visual guide to the water temperature inside the tank. In yhis way, you can have the hot water you need, when you need it, without any effort.
Titanium Enamelled Tank/Enhanced Anti-Corrosion: With its proprietary titanium tank engineering, the Andris Lux Eco boasts exceptional durability and an extended product life. In addition, with its robust 4 bolt flange and copper heating element, this efficient water heater offers improved protection against water corrosion.
Ideal Installations: Medical Environments Laboratories School Facilities
Fully UKCA certified to be installed in the UK Market
Perfect for outdoor enthusiasts and campers, this CAMPLUX portable gas water heater provides instant hot water and a compact design that's easy to transport. Its safety features and adjustable temperature make it ideal for a variety of outdoor activities.
ENJOY TANKLESS & ENDLESS HOT WATER - Delivering 5 litres of endless hot water per minute within 8 seconds when the shower head is on. You can enjoy hot shower, give a comfortable hot spa for your horses, pets with this portable outdoor shower
MULTIPLE PROTECTION - Flame failure protection, overheat protection, oxygen depletion safety shutoff protection to ensure your family safety. Drain plug is applied to drain the residual water from the appliance to avoid being frozen or broken
SAVING ENERGY & MONEY- Camplux AY132 employs energy saving technology, higher temperature raise at same cost of gas. Unlike the storage water heater, this tankless water heater only heats the water in amount for you need. No need to be preheated, thus eliminating the waiting time for hot water
FOLDABLE HANDLE FOR EASY CARRY- This gas shower only weighs 4.54kg, with a handle, which let you easily carry it anywhere. It comes with most of the necessary accessories for quick installation. The 37mbar CE gas regulator is compatible with any propane gas bottle with 27mm clip-on connection
EASY TO OPERATE - You can simply adjust the water and gas flow to achieve your desired temperature. Temperature ranges from 10~65°C. With 0.25 bar startup, it is great for campersite, RV, stables with low water pressure
Experience the convenience of instant hot water with this handwash water heater. Easy to install and use, it's perfect for areas with only cold water supply, providing a reliable and efficient solution for handwashing.
Single control for start/stop and temperature selectio
Heats water on demand - ideal for handwashing where only a cold mains water supply is available
Experience the convenience of instant hot water with the Camplux BW422 16 Litre Gas Water Heater. Perfect for camping, RVs, or outdoor use, this heater delivers 16 litres of hot water per minute and features an LED temperature display. Its energy-saving modes and compatibility with both butane and propane make it an ideal choice for those seeking a reliable and efficient water heating solution.
Instantly delivers 16 litres of endless hot water per minute. Maximum power of 32 kW.
Applicable water pressure between 0.25 and 7.5 bar. Also works great on modified water systems with a 12 volt water pump.
FULL/ECO mode guarantees 11.5% energy savings. The stainless steel heat exchanger turns on half for ECO mode in a hot climate and 16 flame tunnels light up for FULL mode in cold climate.
Works on butane or propane gas cylinders. 37mbar gas regulator (supplied) for propane gas cylinder and 28-30mbar regulator (not included) for butane gas cylinder.
The heat is easy to adjust via the water button and gas button. The LED temperature display shows you the exact temperature of the hot water output.
Powered by 2-D batteries, and no power grid required (batteries not included). Ideal for off-grid areas.
Perfect for the domestic hot shower, garden gas shower and horse shower on the farm.
A 110 mm diameter fuel hose must be connected additionally if the LPG water heater is installed inside where it is well ventilated (flue pipe not included).
The drain plug is applied to drain all the water content when not in use for so long or the outside temperature is close to or below 0℃, extending its service life.
Enjoy a luxurious showering experience with the Stiebel Eltron DCE-X Premium Compact Instant Water Heater, a high-end appliance that provides accurate temperature control and maximum energy efficiency. The compact design and easy operation make it perfect for small bathrooms, and the 2-year warranty provides peace of mind.
Fully electronic compact instantaneous water heater with 4i technology
Maximum energy efficiency and accurate temperature delivery at all times thanks to fully electronic closed-loop control
Easy operation via a large, backlit multifunction display