The propane tankless water heater is in high demand as it saves energy and fuel while heating water. Such heaters are more efficient than gas water heaters and electric water heaters as they heat the water as per your needs and convenience.
Best Propane Tankless Water Heater

There are more worthy brands for those types of heaters. But we are telling you about the best propane water heater as follows:
1. EcoSmart ECO 11 Electric Tankless Water Heater

The energy-saving water heater can save up to 50% energy cost due to its self-modulating technology. With this technology, the heater can instantly detect the temperature and flow of water.
It can provide endless hot water on demand as it has an electrical heating unit which is the best thing you will not see in the traditional water heater.
It saves space as it can be installed anywhere in the home, bathroom, office, sink, and multiple point-of-use applications.
You can control the temperature of hot water by using the digital temperature control which is under a limit of 80 – 140° F.
It saves time and money by cutting down heating time. The durable water heater’s all parts are made of stainless steel or copper.
2. Rinnai V53DeP Tankless Water Heater

The outdoor propane tankless water heater provides endless hot water up to 5.3 GPM. It works nicely at different temperature levels of groundwater.
It suits small homes and takes up a small space due to its compact design. What is another specialty about this heater is the ThermaCirc360 technology which recirculates the hot water faster.
It saves space of 16 sq. foot as it can be installed even in the smallest places like the closet, attic, and under the roof. All parts of the heater can be easily exchanged due to their replicability. It has a 20 years warranty on the exchange.
The heater comes with the Control-R 2.0 mobile app. The app lets you set your schedules and times throughout the day. You can put the settings on the vacation mode as per your convenience.
It saves up to 40% of energy.
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3. Camplux 5L 1.32 GPM Outdoor Portable Propane Tankless Water Heater

It is the ideal water heater for outdoor activities. It has a 1.32 GPM capacity of endless on-demand hot water. It only requires 3.0 of water pressure.
It fits anywhere due to its compact design and portable folding handle. For safety, it has a well-protected gas chamber along with a preserver.
Comes from the well-known brand Camplux, it has offered other safety features such as flame failure device, overheat protection, oxygen depletion safety shut off protection, and anti-freezing protection.
The propane on-demand tankless water heater has an operating propane gas pressure of 0.4PSI. It can work nicely with modified water systems with a 12-volt water pump.
It can be used at non-electricity places as it works with 2 “D” cell batteries.
4. Eccotemp i12-LP water heater

Powered by gas power, the heater ensures 4GPM water with 80,000 BTU per hour. It saves energy and fuel. It activates only on-demand hot water technology.
The indoor water heater has an attractive design with a black tempered finish glass. It saves space due to its compact design. It can be easily installed as it has a standard 110v electrical outlet along with UL listed power cord.
The front panel features the LCD display controls so you can set the times, temperature, GPM, and measure.
The liquid tankless water heater saves power too as it uses around 2amps during the activation mode and 2 watts power during the idle mode.
Talking about safety features, it has a child lock and safe electronic ignition functions. It doesn’t have a pilot light.
5. Stiebel Eltron Tankless Water Heater – Tempra 24 Plus

The propane on-demand water heater comes with an advanced flow control technology that detects the water temperature while flowing. It decreases water flowing slightly if the temperature exceeds the limit. So, you can get hot water without overheating.
It can fit easily on the wall as it has a lightweight and compact design. It provides a water flow of 5.5 GPM.
You can save energy by setting temperature memory by using pre-set temperature buttons ranging from 86F-140F. The highly efficient heater always keeps a steady temperature due to its modulation system.
It has digital monitors to keep control of the water temperature. It saves natural gas as it works on electricity. The energy saver heater is easy to install as it doesn’t require venting. You will get a noise-free service by the heater ensuring the constant flow of hot water.
6. GASLAND Outdoors Propane Water Heater 10L BS264 2.64GPM

It is the best outdoor propane water heater as it offers endless hot water having a maximum power output of 68,000 BTU per hour. It rates 2.64 GPM hot water output.
The lightweight heater can carry anywhere and can be used for outdoor activities. It required low water pressure to start with 3.6PSI water pressure.
It saves 11.5% of energy. It saves gas with advanced combustion technology. Also, it comes with safety systems such as overheating protection, anti-freezing protection, and flame failure device.
7. ECO55 Tankless Water Heater

The propane tankless water heater saves 98% energy which provides an endless and instant water flow of 1.5GPM. It controls the water temperature with smart self-modulation technology. It also adjusts power according to temperature settings and flow rate in real-time. You don’t have to wait for sufficient hot water.
The compact designed heater can fit above or under the sinks. It can be installed vertically, horizontally, or obliquely. It can be used for kitchen, hospital, bathroom sinks, hair salon, school, bar, etc.
The attractive black color will suit your modern kitchen. It features a digital display and touchpad remote control as you can control the temperature of hot water easily and conveniently.
It has separate electricity and water lines. It offers numerous safety features such as dry heating protection, over-temperature protection, leakage protection, over-voltage protection, and smart self-modulation. The high-standard water heater is approved by ETL.
8. Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater

The easy to install outdoor heater can carry anywhere due to its lightweight appearance. Having a compact design, it can be installed easily anywhere and attached to the garden hose. It comes with a shower that provides endless hot water.
The outdoor tankless water heater is rated at 1.5 GPM hot water output. You can control the temperature easily with accessible temperature controls.
If the heater runs for more than 20 minutes. The heater’s safety auto shut-off function automatically turns off the unit.
It works in non-electrical areas as it runs on 2 D cell batteries. The tankless heater can be used for outdoor activities such as trips, camping, family vacations, beaches, etc. You can use it also for cleaning your cars, dogs, horses, and dishes.
9. GASLAND Outdoors BS158 1.58GPM 6L Portable Gas Water Heater
It is the best outdoor propane water heater as it offers endless hot water having a maximum power output of 41000 BTU per hour. It rates 1.58 GPM hot water output.
The lightweight heater can carry anywhere and can be used for outdoor activities. It required low water pressure to start with 2.5PSI water pressure.
It saves 11.5% of energy. It saves gas with advanced combustion technology. Also, it comes with safety systems such as overheating protection, anti-freezing protection, and flame failure device.
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FAQs for Propane Tankless Water Heater
Q. Are propane tankless water heaters worth it?
Yes. Propane tankless water heaters can provide instant hot water as they don’t have a limited amount of heated water filled in them. They save 11-98% energy which normal tanked water heaters lack. Some tankless water heaters don’t need gas or electricity.
They are lightweight and easy to install. They can carry for outdoor activities such as trekking, camping, on the beach, family vacations, etc. The tankless water heaters can be used not only for bathing but also for washing pets, cars, and dishes.
You can connect such heaters to any cold water source via the pipe. Some heaters come with advanced technologies for safety and controlling temperatures.
Q. How much propane does a tankless water heater use?
It depends on the number of family members, bathrooms, and the size of the home. The normal tankless water heater uses 1.5 gallons or 40,000 BTU per day. That means they use propane 200-300 gallons per year.
Q. Is it cheaper to heat with electricity or propane?
Some propane tankless water heaters are expensive due to advanced technologies. However, they provide consistent hot water without waiting for it or taking a few minutes. On the other hand, conventional electric heaters take hours to heat the water despite having cheaper appliances.
Tankless water heaters are more efficient than electric water heaters which are not worth the money.
Compared to the cheaper electric water, the propane tankless water heater helps to reduce 15-30% monthly electricity bills. It saves energy by decreasing exceeding temperature while heating the water. It uses self-modulation technology to detect and control the temperature.
However, talking about installation, the propane tankless water heater requires professional plumbing help to install it. So, it can be expensive regarding installation costs.
Q. What is the best propane tankless water heater?
The best propane tankless water heater needs the following factors:
- Usage of the heater
You should consider your needs for the water heater. Do you want to use it only for home or outdoor enjoyment? An Indoor or outdoor water heater? Is one indoor heater enough for 3 bathrooms in the home? Do you want to use it for other purposes such as washing cars, pets, and dishwashing?
Think about the size of the heater which can meet your needs. Choose the most energy-saving and efficient tankless water heater as per your need for hot water.
Also, the outdoor water heater should be compact and lightweight for carrying it anywhere.
Remember more appliances mean a higher flow rate. Also, the local groundwater temperature should be considered while purchasing the heater for a specific location.
- Water pressure
While installing the heater, you should check the water pressure level of that heater. Check about the maximum and minimum water pressure levels provided by the tankless propane water heater.
- Installation
The best propane tankless water heater should be easy to install. You should install it as per the proper guidelines given in the manual that comes with the product. However, some heaters require the help of a professional plumber.
Conclusion
Though all heaters mentioned above are high-standard heaters, our pick for the best heater is Stiebel Eltron Tankless Water Heater – Tempra 24 Plus.
Made from the reputed German company, Stiebel Eltron, the heater comes with advanced flow control which automatically detects the temperature and decreases the flow rate if the temperature limit rises beyond the capacity.
It provides 5.5 GPM hot water output which is enough for the whole house. The lightweight heater is easy to install and doesn’t need venting.
The other special feature of it is the pre-set temperature buttons for setting temperature memory ranging from 86F to 140F. It saves energy due to its 0.99 energy factor and the smart self-modulating technology. It gives consistent hot water at a steady temperature.
It doesn’t run out of hot water and gives a noise-free service.