The Most Efficient Propane Water Heater For 2023

Summary
1. Best Overall: EcoSmart ECO 11 Electric Tankless Water Heater
The EcoSmart ECO 11 Electric Tankless Water Heater is a compact, energy-efficient alternative to a traditional water heater. It's easy to install, with no difficult-to-install parts or connections and it saves energy. The ECO 11 Electric Tankless Water Heater is 90% smaller than traditional tank heaters and features an innovative design that delivers constant hot water on demand. Read Review
2. Best For The Price: Rinnai V53DeP Propane Tankless Hot Water Heater
Convenience and savings. The Rinnai V53DeP Propane Tankless Hot Water Heater is an innovative space-saving design that delivers Endless Hot Water and maximizes water pressure, reducing the possibility of serious scale damage. This efficient appliance provides you with worry-free service that saves you money on energy bills. Read Review
3. Best Design: CAMPLUX ENJOY OUTDOOR LIFE Tankless Water Heaters
If you're looking for a way to cut your energy bills, the CAMPLUX ENJOY OUTDOOR LIFE Tankless Water Heater is here to help. With its modern design and sleek style, it can fit just about anywhere. It's lightweight and compact, making it easy to move around the house or outside on your patio in order to accommodate your needs. Read Review
4. Best Smart: Rinnai RL75iP Propane Gas Tankless Hot Water Heater
The Rinnai RL75iP Tankless Propane Gas Heater provides superior performance with innovative non-condensing technology and low energy consumption. The Circ-Logic Technology offers recirculation patterns for efficiency, eliminating the need for a tank or reservoir. This eliminates the risk of running out of hot water and saves you time and money. Read Review
5. Best Reliable: CAMPLUX ENJOY OUTDOOR LIFE Propane Tankless Water Heater
CAMPLUX ENJOY OUTDOOR LIFE Propane Tankless Water Heater is the perfect choice for the modern homeowner. Endless hot water with a 6-in-1 multiple protection. The compact size saves more space than traditional tanks, and the quick-heating time saves energy costs. Read Review
Propane water heaters are extremely energy-efficient, but they also come with some trade-offs. They’re expensive and limited to certain climates. However, this doesn’t mean that propane water heaters aren’t the most efficient type of heater out there.
In fact, not only are propane water heaters great for any home, but they’re also the best choice for homes in colder climates or houses that don’t have a lot of space. Propane water heaters aren’t suited to every home though, even if you live in one of the best places to use them. Propane water heaters can be more efficient than traditional models as well as more cost-effective over time. To find out which is the most efficient propane water heater on the market today we looked at 15 different brands and models, so read on to learn everything you need to know about these wonderful appliances!
We think the most efficient propane water heater of 2023 is EcoSmart ECO 11 Electric Tankless Water Heater. However, in order to provide the reader with a wider variety of alternatives, we recommend adding Rinnai V53DeP Propane Tankless Hot Water Heater if you are interested in purchasing another appealing one.
Here are the buying guides that we specially made for you guys. Follow all the words below for successful shopping!
Our Top Picks

- EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
- Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
- Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
- Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
Enhanced scale detection lessens possibility of serious, long-term damage to unit
Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
Optimal Water Pressure: High-performance up to 5.3 GPM hot water flow rate for a powerful, constant stream
Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively
Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended

- 6-in-1 Protection & CSA Safety Approved: This tankless water heater is CSA Approved with anti-freezing protection, over-heating protection, low water flow protection, dry combustion protection, high water pressure protection and flame failure device.
- Warm Maintenance Tips: It must be properly drained if the water heater stored in cold climate, Freeze damage can occur in the heat exchanger or water valves. To drain the device properly, please open the drain stern located at the bottom right of the water heater . You can do so by turning in a counter clockwise direction. Please disconnect all incoming and outgoing water lines to ensure proper drainage from the water heater. When not in use, fully disconnect gas, incoming and outgoing waterlines. Store in a warm dray place.
- Lightweight, Compact & Portable Design: The 14 pounds lightweight portable water heater's folding handle keeps it out of the way and enables easy setup outside.
- Safety Tip: To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. Read the directions before installation check for gas leaks at all times before operating.
- Installation Instruction & Package Content: This Camplux BD158N heater comes with 1-year guarantee, 5 feet premium on/off shower head, 5 feet gas regulator, 1 set US-standard garden hose, and 1 installation hardware pack. Setting up this propane water heater simply takes 10 minutes.
- Flow Rate & Temperature Specification: The temperature raise is 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) is at its lowest point of 1.58 GPM. Also, 1.58 gallons of hot water can be produced per minute at the flow rate of 1.58 GPM.
- Versatile Applications: The lowest water pressure at beginning for the water heater is 3.0 PSI. For off-grid and rural areas, this hot water generator powered by two size D batteries is ideal. No more chilly outdoor shower anymore.

- 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
- 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
- Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits; For the latest in non-condensing technology that speeds up service and installation, check out our new RE160iP 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 7.5 GPM (5 fixtures at once)
- Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included)

- 6-IN-1 Multiple Protection- Flame-out protection, anti-freezing protection (manual drainage needed), over-heating protection, air flow pressure switch protection to ensure the safety. Safe electronic ignition system, plugs into standard 120V electrical outlet with UL-listed cord.
- Compact Design,Energy saving -The compact size instant hot water heater saves more space than traditional tanks.Trendy and modern design with fahrenheit digital temperature display. Eco and Full gas switch for energy saving and get ideal hot water temperature.
- 2.64 GPM Instant Hot Water -Camplux high capacity 2.64 GPM propane tankless water heater delivers 2.64 GPM on demand endless hot water ensures instant hot water for any small homes, cabins or apartments. On demand water heater only heats the water when you need it and no waiting for preheat.
- Considerate Customer Service- Here at Camplux, customer service is everything ! We offer 24 shift hours customer service make the customer experience easy and fast through our live chat, phone support & our online helpdesk. Have a question? Give us a call at (844) 538-7475.
- Easy Installation -The propane water heater uses standard 1/2" NPT water fitting and gas inlet. Comes with 2" horizontal vent pipe,ensures efficient power ventilation. Minimum activation rate: 0.65 GPM; Maximum input rating: 68,000 BTU; Water connection location/size: Bottom/0.5-inch NPT. 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.
FOGATTI provides free replacement within 30 days, and 5 years warranty on the heat exchanger and 2 years warranty on other parts. The above-mentioned labor costs are extra from 31 days.
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.
Excellent quality CSA certified in the United States and Canada. Adopting the world's most advanced technology, superior safety and durability.
The tankless design means you don't have to wait 30 minutes for preheating and unlimited use of hot water.
Using built in forced exhaust fan at the bottom ensures stable combustion and eliminates the influence of external wind. Compact design for easy installation.
145,000 BTU high heating capacity and maximum 6.3 GPM. It is suitable for 2-3 outlet points, which can satisfy whole family. UEF over 0.82, the high energy conversion rate can effectively reduce energy loss.
Whole home indoor, Propane Gas powered tankless water heater, rated at 6.8 GPM that activates only when in use, making it an energy effiecient and perfrect for any home. apartment or townhome!
Comes with a Temperature and Pressure Relief Valve, a Gas Shut-Off Valve and is equipped with 3/4" NPT fittings.
The Eccotemp 45H/HI series is CSA Certified for US and Canadian use guaranteeing a safe, easy, and enjoyable installation experience.
4" Venting is required for the indoor models. Venting is available for purchase separately or you can purchase the unit and vent kit as a bundle.
The indoor installation will save space in your home and because it is compact and quiet, you will barely notice it is there.
- Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
- Multiple venting options available including PVC/CPVC using the Ubbink Concentric to Twin Pipe adaptor allow for an easy installation
- Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
- Optimal Water Pressure: High-performance 7.5 GPM hot water flow rate for a powerful, constant stream
- Guaranteed to Last: 12-, 5-, and 1-year residential factory warranty for heat exchanger, parts, and labor respectively
Space Savings - Compact, space-saving design. Perfect for a tank replacement.
Low operating cost - High energy efficiency and water savings setting
Water & Gas Leak Detection will shut down unit and provide an error code
Hot water without the wait - or the waste
Auto-Learn Programming - tracks water usage over a period of time and auto-programs to meet hot water needs at peak times
For use indoor only
Low operating cost - High energy efficiency and water savings setting
Water & Gas Leak Detection will shut down unit and provide an error code
Hot water without the wait - or the waste
Space Savings - Compact, space-saving design. Perfect for a tank replacement.
Which Characteristics To Consider On Selecting most efficient propane water heater For 2023?
To make a practical purchase, you guys need to be aware of most efficient propane water heater ultimately. Several key factors must be taken into account and evaluated. Of course, there are some challenges for you during the process of studying products. So we are available here to provide you with comprehensive advice and support.
Thanks to the evaluation supported by high technology, we have come up with some significant features for you to go through. Let’s check it below!
Efficiency Rating
The difference between electricity and gas rates means that this rating doesn't give a good indication of the cost you could expect to pay for the unit. A gas heater with a lower efficiency rating will be more efficient than one that uses electricity. However, gas heaters are mucher than electric ones.
Because they don't have to run constantly to heat water, tankless heaters are significantlyer than storage tanks heaters. A tankless water heater can cut down on your energy bills by up to 40% depending on how much hot water you use. To determine the impact on your budget, it is better to calculate the annual operating cost for the hot water heater.
Space
Tank Capacity
Digital Displays
Venting Needs
Brass Vs. Plastic Drain Valves
Anti-Scale Devices
Tankless Or Tank
Gas Or Electric
FAQs
How Do You Drain A Water Heater?
First, drain the hot water heater by flushing it with water at full pressure. After connecting the drain line, open the drain valve and close it again. The valve will dislodge any sediment, allowing the system to drain faster.
Then, disconnect your water heater from either the electric or gas power supply and shut down the main water supply. Next, disconnect the drain hose from the quick flush and open the drain valve. Once you let air in the tank, water will not flow out. You will need to remove the hot water pipe from the top of the water heater, and then move the pipe to the side. You will see the tank begin to drain.
Can Water Heaters Explode?
Electric and gas hot water heaters are susceptible to explosions. Explosions are rare, but can be caused by increased pressure in the heater, poor installation or maintenance, failure to set the temperature and relief valve (T & P), gas heaters, flammable liquids, or gas leaks.
How Long Does A Water Heater Last?
Although water heaters come with varying lifespan expectations, many can last for between 8-12 years. Some water heaters can last up to 20 years. Your water quality can make a difference in how long your heater will last. Over time, corrosion can occur from heavy minerals or sediment.
Depending on which model you select, the manufacturer may offer different warranty terms. The most common warranty period is usually between 6 and 9 years.
What Are The Signs Your Hot Water Heater Is Going Out?
A failing water heater can be identified by a series of telltale symptoms, such as banging sounds inside the tank and a decrease in temperature.
What Is A Water Heater?
A boiler is often confused with a water heater. What is the difference between a boiler and a water heater? A water heater heats water to be used for showering, cooking, cleaning, or other purposes. The water heater heats cold water coming from the water supply pipe. It then gives you hot water ready to use for washing your clothes or running a faucet. Water heaters use water that's suitable for cleaning and cooking (potable). A boiler, on the other hand is designed to heat your home and heat water from the taps.
Can You Still Shower If Your Water Heater Is Leaking?
You can still take a hot shower even if your water heater is leaking. You can shower even if the leak becomes severe. It will just mean that you won't get hot water.
Gas Vs Electric Water Heaters: Which Is Right For You?
It's not cheap to install a water heater in your house. This is why it's important that you take some time thinking about how to charge your appliances. First, electric heaters offer the most sustainable option for the environment. If you choose one, it will be a better choice for your planet. Although electric water heaters work better, the price of electricity is higher than that of traditional gas options. You can still use your gas heater even if there is no power, so you have less to worry about during a crisis.
How Often Should I Replace My Water Heater?
According to professionals, your water heater should be replaced every 10 years. A water heater cannot be guaranteed for this long. It is possible that your water heater will need to be replaced sooner than expected.
What Is The Best Compact Water Heater For Saving Space?
Mini-tank or tankless water heaters are compact and light, which makes them great for small homes that have less space.
How Do Water Heaters Work?
A tank-style water heater uses a dip tube that has an outlet in the bottom to heat the cold water. The tank's temperature is monitored by an internal thermostat which activates either a heating element, or a burner that warms water to the desired temperature.
Dual heating elements are used in electric water heaters to heat the water. The bottom heating element heats the coldest water faster, while the top one warms the water if it becomes too hot.
A pilot light, or electronic ignition system for gas water heaters ignites the gas that is flowing to a burner. Before shutting off, the burner heats water in the tank until it reaches a desired temperature. The exhaust is then vented outside.
Water heaters that are tankless don't keep water. They heat the water by using either electric or gas heating elements. The temperature of the hot water is a factor in how fast it flows, however most units are capable of providing hot water at a flow rate between 2 and 7 GPM.
All in all, you guys now are able to stay up to date on most efficient propane water heater of 2023 with new information. As mentioned, on top of that, the fluctuation of sources like websites and forums, you must be aware of which is best reliable for you.
Honestly, we are delighted to have the chance to support you with product-related issues and additional concerns as well. So it would be best if you didn't hesitate to contact us. Feel free for that!