In this article, we will look at the top 20 tankless water heater for small home that you can buy right now. All these products are rated based on their design and functionality.
We have also looked into the design and features of each product to ensure that they are the best in the market.
Best tankless water heater for small home – Top 23 Picks In 2022
- 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
- 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
- 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; Maximum input rating: 82,000 BTUs; 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.
- Outstanding Features- The propane instant hot water heater comes with oxgen-free copper heat exchanger and v-type stainless steel burner,high heating efficiency up to 89.98 %; 90°wind isolation design, this tankless propane water heater can anti backflow wind in high floors, the S/S 2.36 ” vent pipe exhaust harmful gases quickly.
- 6-In-1 Protection Ensure Your Safety- Dry combustion,flame failure device, anti-freezing protection, over heating protection to ensure your safety. Fully automatic temperature controls with an energy saving mode and child lock technology.
- ☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
- ☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank.
- ☼ Save Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating costs compared to a typical tank water heater.
- ☼ Important Note: In order to install 18kW Electric Tankless Water Heater it requires 240 Voltage, 2 x 40 AMP Circuit Breaker Size and a set of 2 x (8AWG/2) wires. Please check to confirm that your breaker panel meet these specifications.
- ☼ Safe To Use: With high temp protection, dry heating protection, and electrical leakage protection you can rest easily knowing you have safe, on-demand hot water to use on your schedule. The electric and fluid systems are completely separated to prevent electric leakage and water pipe corrosion.
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
- Bottom 3/4" NPT water connections
- On demand, consistent and continuous hot water
- 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
- 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
- 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
- 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
- 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: 5.5kW@240V; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.
- CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
- LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
- INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
- FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
- EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
- The product is highly durable
- The product is easy to use
- Manufactured in China
- Amperage (amps): 75. Activation flow: 0. 3 GPM. Flow Rate @ 35 F Rise (gallons/min): 3. 51 gal (US)/min
- The product works and is compatible with 2 X 40 AMP (DP) breakers and 2 X 8 AWG wire
- 【Eastbuy TANKLESS WATER HEATER 】 NOTICE Before PURCHASE: The water heater need a larger than 32 amps circuit breaker; the outlet water temperature won't very hot because the water heater just 3KW, so it can't be used to bath or wash hair, it can be use to wash hand or use in kitchen（30-55℃）. If it doesn't meet your require, PLEASE DON'T BUY.
- 【SMART SELF ADJUSTMENT】Temperature adjustment is through the water flowing valve or the tap. The water flow is large and low in water. The temperature is high in winter. The temperature in winter is between 20-40 degrees. Weaving hose). The blue ring of the water outlet is the water inlet, and the red circle is the outlet.
- 【SAFE AND DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Safe heater, electricity saving, water saving, no pollution, no exhaust gas.The temperature is adjusted by the water flow regulating valve or the tap switch.
- 【ECO & ELECTRIC & WATER SAVING】 Safe heater, save up to 55% on your electric cost, water saving, no pollution, no exhaust gas.The heating of the product is adjusted by the water flow regulating valve or the faucet switch. Large water flow means low temperature, and small water flow means high temperature. It is recommended that the product be washed in winter for hand washing, dish washing, face washing and other scenes.
- 【USE EXPERIENCE】30-55℃ (Considering the use environment in severe cold areas may not reach the maximum temperature of 55℃) .When the inlet water temperature is very low, the outgoing water is not ice, but no heat is felt; when the inlet water temperature is high, the outgoing water will be hotter.
- CONVENIENT HOT WATER HEATER: 7 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 17.5 W x 17.5 H x 14.5 D Inches
- INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (5.1 gal. of water supply) or horizontally (7 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit
- RELIABLE WATER SOURCE: Easily hard-wire the 7-gallon model to provide the on-demand reliable water source your home or office needs
- IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145°F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
- EASILY MOUNTED: Can be shelf or floor mounted. Wall mounting available in vertical orientation only (water connections on top) - bracket included. Simply tap into the cold water line and install the water heater directly at the sink to provide hot water
- Hot water without the wait - or the waste
- Low operating cost - High energy efficiency and water savings setting
- Space Savings - Compact, space-saving design. Perfect for a tank replacement.
- Water & Gas Leak Detection will shut down unit and provide an error code
- For use indoor only
- Original Design: Tankless hot water heater only heats when necessary to conserve energy; For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE160eP model
- Never Run Out of Hot Water with this Compact Propane Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 6.5 GPM (5 fixtures at once)
- Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit; Includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)
- Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater; We do not recommend installing a water heater without a technician
- Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region
- Naturally vented outdoors: you don't need to buy a extra venting
- Serves to a variety of applications, since washing your car, windows cleaning, wash your horse or your dog and take a hot shower
- Perfect for campsites, cabins, remote areas or just around the house. BTU/h - 35000 BTU/h. Fuel Type - LPG(liquid propane gas). pipe fittings - 1/2 inch NPT, incoming/outgoing water and gas
- Provide endless hot water on demand only as needed
- No electrical connection is required
- Water Heater Parts & Accs Rinnai H98-510-S Tankless Water Heater Inlet Screen Assembly#0055/5
- ECO-FRIENDLY WATER HEATER: Save energy using less gas during the warm months with the Marey Tankless Liquid Propane Gas Water Heater; Color: White; Weight: 10.14 pounds
- BATTERY POWERED: Tankless water heater starts with pulse ignition powered by (2) D batteries (not included); No cords necessary
- AUTOMATIC SHUT-OFF: Multiple safety sensors, such as auto cut-off, automatic ignition, anti-dry combustion, over-pressure, overheating, flameout protection, and twin solenoid valves
- TEMPERATURE CONTROL: Ideal for indoor use in apartments, cabins, and tiny homes; Control your temperature year-round with the convenient summer/winter switch; Not recommended for elevations above 2,000 feet
- FEATURES: 1.32-GPM heater is activated by water flow rather than water pressure; Minimum activation rate: 0.65 GPM; Maximum input rating: 34,120 BTUs; Minimum temperature: 6.80 to 66 degrees Fahrenheit; Water connection location/size: Bottom/0.5-inch NPT
- On demand a continuous and unlimited supply of hot water
- Sleek design saves space and no venting required
- Requires hard-wired 240 or 208-volt electric service, with a maximum draw of 28,800 watts at 240 volts or 21,600 watts at 208 volts
- Requires 3 separate dedicated 40 amp breakers with 8 gauge copper wiring, and a minimum of 200 amp total service to the residence
- UNLIMITED HOT WATER ON DEMAND - Tankless electric water heater provides instant, continuous water flow
- WHOLE HOME SOLUTION - Easily provides enough hot water for a house or apartment
- PERFORMANCE UP TO 3.8 GALLONS PER MINUTE (GPM) - Enough to run 1 faucet and 2 showers simultaneously in warm climates (*Results are based on 72˚F inlet water temperature and 105˚F outlet water temperature)
- INTUITIVE INTERFACE AND SPACE SAVING DESIGN - Adjust temperature and settings with easy-use touch screen on a compact unit that takes up significantly less space than a tank style water heater
- ENERGY EFFICIENT - Conserves energy and water by only using energy when hot water is in use, saving you money
- We recommend that all installations of units must be done by the local building and plumbing codes of the installation location and installation be done by a licensed professional.
- The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
- 170,000 BTU high heating capacity and maximum 7.5 GPM. It is suitable for 3-4 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
- Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
- Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.
- Capacity: 18L/min (4.8Gal), SIZE: 13.4"(L) x5"(W) x25.6"(H), 25 degrees warm water producing rate; Cover Material: Cold Rolled Sheet; Gas Type: LPG Liquid Petroleum Gas (PROPANE); Dimension : Picture 2, SIZE: 13.4"(L) x5"(W) x25.6"(H)
- Thermal input: 36KW; Working temperature:-8-45℃; Temperature rise: 25℃; Thermal efficiency: ≥80.8%
- Minimum working water pressure: 0.025MPa; Gas pressure: 2800Pa; Vent Type:4.3" Flue Duct;Gas pipe: G 1/2"; Water Inlet: G1/2''; Water Outlet: G1/2''
- Automatic ignition system, Flame failure protection device; Water & gas combination unit ,Fitted with over heating and pressure safeguard; 20 min. off self-timer
- Certification: ISO 9001:2000; Net weight: 8.5KG; Mains power not required; Electrical requirement: DC3V, Automatic electric ignition powered by two (2) size 'D' batteries (batteries not included; No electrical hook up; No standing pilot)
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 8kW Model Flow Rate: up to 1.95 GPM
- Side 1/2" NPT water connections
- On demand; continous hot water
Things to Consider Before Buying the best tankless water heater for small home
Now, when you do research prior to buying tankless water heater for small home, there are certain things you need to consider. Because these considerations come into play by ensuring that you do not end up with the wrong choice.
Finding the best tankless water heater for small home is not rocket science and doesn’t require extensive research. Some important features which you should look out for are described below.
Brands
While there are numerous brands on the market, the truth is not all of them can give you the features you may need.
We’ve done the legwork of locating the most reputable brands around for you. Choosing from these, you’ll be much less likely than going to a store and grabbing something without considering the brand and everything behind it.
Durability
Durability is one of the primary features which are important for most products. They don’t often have long lifespans and require replacement every now then.
Before you buy any product from the store, make sure you know about the material well. Sometimes, many people buy the wrong product even after spending a lot of bucks.
Why do they do that? Probably because they don’t know which material ensures ultimate durability.
You should always focus on the quality of a tankless water heater for small home before getting it. Make sure it’s sturdy and built to last.
Features
Before deciding on a specific product, be certain that it has all the necessary features you require.
If you’re unsure concerning something, don’t hesitate to ask the manufacturer. That way, you can make the right purchase that provides precise results.
Quality
The quality of the product is an important factor. If you happen to get one with low-quality material, you will have a tough time trying to maneuver them.
Whatever you choose to buy, the quality should be first-rate. You don’t want to waste money on something that looks or feels cheap when what you desire is elegance, coziness, and style.
Cost
Cost shouldn’t be an issue if you’re willing to invest in a high-quality product. An inexpensive product often has great features, so you get great value for your money.
However, expensive products don’t necessarily mean to be of exceptional quality. We prefer to say you select something that fulfills your needs.
Ease of Use
People feel more comfortable using products that come with a straightforward process of use.
So, you should always look for the ones that come with an easy to use process. You can find different designs, so you should choose the one that comes with more convenient features.
Warranty
It is always recommended to have a product with a warranty, however, it’s not compulsory. However, if the brand provides warranties for a certain timeframe, then certainly, it’s a favorable deal.
Size
The product size is one of the most important aspects to consider before purchasing a tankless water heater for small home. You need to know what kind of tankless water heater for small home you want to buy that fits your need.
It is essential to buy a product that addresses your needs based on your product dimensions. Spending money on something you will likely need is a waste of money. You should choose a item that will meet your needs based on its power.
Design
Many products with countless designs are available in the market. Some designs are redundant, and others aren’t as efficient. Make sure you know what you do and whether the tools you choose will help you do your job better.
Safety Measure
No matter how passionate you are about your occupation or work, your safety must always be a top priority. Since you’ll be using, make sure it has all the features that ensure the safety of the users. You do not want to experience any kind of accident.
Don’t just pick any brand, no matter how excellent, inexpensive, or available it is. Ensure that safety measures have been considered.
Materials
We advise not to buy products from brands that don’t specify the materials they use unless we’re sure the product is made with good quality materials. It’s important to be confident about a purchase before you make one, so when the materials used aren’t clearly specified, it makes us doubt the product’s quality.
It’s imperative to consider what material will work best for your requirements before you make an investment since you could find yourself wasting your money.
Types
As you know by now, there are various types of tankless water heater for small home available in the market. You have to understand the pros and cons of individual types of products before picking the perfect one for your needs.
It is best to compare the advantages with each other before determining the perfect type.
Instruction Manual
Before you can utilize a product, often there are some fundamental guidelines that must be followed to get the most out of it. While some people may be able to just figure it out on their own, others may need an instruction manual.
Instruction manual is designed to provide you with information about how to use the product. The manual also goes over the safety precautions and explains how to recognize potential hazards. So you should buy the product that comes with an instruction manual.
Performance
When you are planning to buy any product, you will definitely think of its performance because nobody wants to waste his money buying a wrong product. So, check ins and outs of the tankless water heater for small home from user’s review, forums and expert people before you pick a specific model.
Versatility
It can be frustrating when you buy something and then it turns out three days later that it is not what you need. With a little thought and effort, it is possible to avoid this by purchasing a versatile product that has multiple uses. You can use one product for many purposes.
You can also use the product in different ways, depending on the need at the time. In this way, you can also save money as you’ll just need to purchase the perfect one.
Accessories
When you are planning to buy a product, you will definitely think of the accessories available in the market. Because anytime soon, it may cause damages due to unwanted accidents at any stage of its usages.
Some products also come in bundles, where they have a combo package of the necessary items that you may need with it.
Colors
Yup, color does matter! When you are planning to buy a Whole House Water Conditioners from dozens of models, you will definitely wish to get your desired color. As, color is the symbol of choice, aristocracy and represents your personal taste.
We have reviewed some of the best tankless water heater for small home considering this option of course.
Compactness
A Whole House Water Conditioners is highly compact in order to have a high usage capacity. Compactness also ensures good portability and easy handling of a unit. Because if product doesn’t comes handy, you may face it tough to manage while using it.
After reading our buying guide, you will get the answers for the following questions:
- How much does the tankless water heater for small home?
- What are the benefits of a tankless water heater for small home?
- Where to buy the tankless water heater for small home?
- What is the best brands of tankless water heater for small home?
- How long does a tankless water heater for small home last?
- Does tankless water heater for small home comes with a manufacturer warranty?
- Are tankless water heater for small home worth it?
Conclusion
For beginners, picking the ideal tankless water heater for small home might be challenging due to the various product types and features. Even experts struggle to find the right products for them because the market is so crowded.
For your convenience, we have chosen the best tankless water heater for small home so you won't have to look around aimlessly. You can confidently choose a product from our list based on your demands.