If you’re in the market for a outdoor tankless propane water heater, you have a few different options to choose from. We’ll discuss the types currently available in the market, the pros and cons of each, and our top pick for the Best Outdoor Tankless Propane Water Heater.
Outdoor Tankless Propane Water Heater – Best Sellers
Best Outdoor Tankless Propane Water Heater – Top Picks
I have already minimized your options from hundreds to only 10 outdoor tankless propane water heater and here you go with a quick comparison chart which should leave no confusion.
Rinnai V53DeP Propane Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation

Features :
- Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
- 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
- Enhanced scale detection lessens possibility of serious, long-term damage to unit
- Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively
Rheem Mid-Efficiency 8.4 GPM Outdoor Liquid Propane Tankless Water Heater

Features :
- Exclusive Water Savings technology conserving up to 1, 100 gallons per year
- 157, 000 BTU (gas consumed per hour)
- Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
- Recirculation pump ready kit ready.8.4 gal./min. at 35° F rise max
- For use outdoors with freeze protection up to -30 degrees
Propane Gas Tankless Water Heater, FOGATTI Outdoor 5.1 GPM, 120,000 BTU White Instant Hot Water Heater, InstaGas Classic 120S Series

Features :
- 【Endless water supply without preheating】The heat exchanger quickly heats the water to a maximum of 140°F, which is ready for use without waiting for hot water. It can run at approximately 5.1...
- 【Precise temperature control and stable temperature】Equipped with a wire controller cord length of 164ft, allowing you to control the water temperature indoors. The burner can be burnt in sections...
- 【Compact design for easy installation】The tankless design is 1/4 the size of a 50 gallon tank water heater, making it easy to install. The highly integrated components also provide greater safety...
- 【Outdoor installation to save space】The product is installed outdoors and does not occupy the living space. The bottom built-in forced DC fan eliminates the influence of external wind. So as to...
- 【Excellent quality and service】CSA certification in the USA and Canada. Superior safety and durability using the world's most advanced technology. FOGATTI provides 5 years warranty on the heat...
Rheem RTG-70XLP-1 Tankless Water Heater, Grey, Grey

Features :
- Continuous Hot Water – never run out of hot water, even with back-to-back showers
- Tankless Gas Water Heaters are cost saving and energy efficient
- Reduces Energy Consumption - Automatically adjusts the amount of energy required to heat the water you need
- Easy, Convenient Control –Easily adjust water temperature ranging from 85˚F–140˚F
- For use outdoor with freeze protection up to -30 degrees
Rinnai RL94eP Non-Condensing Propane Tankless Water Heater, Outdoor Installation, Up to 9.8 GPM

Features :
- 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...
- 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...
- 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...
- 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...
- 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...
Propane Gas Tankless Water Heater, FOGATTI Outdoor 8.1 GPM, 180,000 BTU White Instant Hot Water Heater

Features :
- 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.
- 180,000 BTU high heating capacity and maximum 8.1 GPM. It is suitable for 3-5 outlet points, which can satisfy whole family. UEF over 0.81, the high energy conversion rate can effectively reduce...
- 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.
- 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 extra are from 31 days.
Tankless Water Heater 4.74GPM 18L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

Features :
- 【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, anti-freezing protection,over heating protection,Just need...
- 【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output...
- 【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving...
- 【Complete Accessories】-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower...
- 【Wide Usage】- This Camping Heater,Perfect for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink, RV/SUV/MPV, etc....
Rinnai RU199eP Condensing Tankless Hot Water Heater, 11 GPM, Propane, Outdoor Installation

Features :
- Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended
- Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary
- Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream
- Instant Heating: Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
- Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring.
Rinnai RE199eP Non-Condensing Propane Tankless Water Heater, Up to 7.6 GPM, Outdoor Installation, 199,000 BTU

Features :
- Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy; Speeds installation and enhances serviceability with a cleaner internal layout; LED screen...
- Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing outdoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 7.6...
- Smart, Durable Design: Water heater includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included); See...
- 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...
- 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...
Camplux 5L Outdoor Portable Water Heater, 1.32 GPM Tankless Propane Gas Water Heater for RV, Camping, Barns, White

Features :
- CSA Safety Standard -CSA safety standard approved portable tankless water heater,flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically...
- Lightweight Portable Design-Compact size weights 10 lbs with portable handle for easily carry. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a 15...
- Instant Hot Water- Maximum power output 28,000btu/hour, you can get 1.32 gallons instant endless hot water easily wherever you are. No need to preheat before operating the tankless water heater. As...
- 3.0 PSI Water Pressure Startup -Equipped with a magnetic water flow sensor, the tankless water heater can be widely applied for rural areas, RV's and Boats.The tankless propane water heater lights...
- Important Tips -To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. The tankless water heater will "caught on fire...
What to Consider Before Buying Outdoor Tankless Propane Water Heater
Even deciding on an insignificant purchase can make you feel like choosing between the red pill or the blue one. But is the headache really worth it? Online shopping was meant to make our experience simpler, easier and enjoyable. But in reality it is quite easy to get confused on the decision which one to buy?
This is where our efforts come in! This list of outdoor tankless propane water heater will surely save you valuable time and effort. However another question remains, what makes our compilation the best? Or on what basis you should trust this outdoor tankless propane water heater list.
Is it virtually possible to know every detail of a product for making a perfect purchase? The answer is definitely NO, it’s not! Then how do you make the correct decision while buying outdoor tankless propane water heater? Well, the complexity of selecting a single product from a sea of them can be simplified taking into consideration a few key metrics regarding the product.
We feed thousands of data to our AI regarding these products through advanced algorithms. Based on the relevant data i.e. brand, features, specs, ratings and reviews and many others (which are discussed below) a list of best outdoor tankless propane water heater has been prepared by the AI.
Brand Reputation:
Branded products might seem pricey but the point is they are charging those extra bucks for reliability. Unlike many other things, trust doesn’t come cheap. 8 out of 10 times you can trust a branded one.
Unique Features:
Enough and useful features make a product purchase worthy. This is the basic criteria to be followed.
Useful Specifications:
Matching the right specs according to your need is very important and we miss no important things.
Star Ratings:
Healthy ratings indicate a good product. Highest rated products rarely disappoint users. So, we pick the best rated units on our list.
Number of Reviews:
Higher number of reviews in the shortest period of time shows the product is accepted widely by a lot of customers. Customer feedback aka customer reviews are the most insightful source of judging a product’s merit. We take serious consideration into customer reviews and total numbers while choosing them.
Ratio of Positive Reviews Against Bad:
The final rating is an average of all ratings provided by users. But we can get a deeper look at the product’s performance if we analyze the ratings on each star level.
Ranking of the Seller:
Shows the reputation of the seller. Even if you choose the correct item, a bad seller can be a big hassle. So stare clear of them.
Product Ranking in Relevant Category:
These small little details are never left out of our consideration. This is what makes our selection even more confident and authentic.
Bang for the Buck:
Spending a fortune on outdoor tankless propane water heater is not a wise thing to do. Our every selected item should provide you the best value for the money you spent.
Selling Growth Over the Product Lifetime:
A product might have thousands of reviews and good ratings, still can be a bad choice. Once hyped products can be an outdated choice now. So, a gradual positive growth of any product indicates its reliability.
Latest Models:
Every product is perfected with every new edition. Those little improvements, upgrades and adjustments come real handy in user experience. So, we keep in mind to choose the latest ones.
Product Availability:
Unavailable product is like a dead lion. Discontinued items are surely not recommended.
Rating By Features:
There is a special segment in amazon where the product is rated according to different relevant features. This one is mostly overlooked by everyone. But we keep a keen eye on this!
Overall Versatility:
A product needs to be versatile and user friendly. Our aim is to prepare a list of best outdoor tankless propane water heater which will serve you in a wide range.
Amazon’s Preference:
Amazon’s choice can be a factor to consider. It creates a sense of reliability among customers. We value amazon’s choice and prepare all lists keeping this fact in mind.
Conclusion
After reading through all of the reviews and features of the different outdoor tankless propane water heater, it is clear that there are a lot of great options to choose from. However, the best option for each person will vary depending on their individual needs and preferences. But here, the products we have listed above, have great features and are highly rated by customers. If you are looking for the Best Outdoor Tankless Propane Water Heater, then any of these 10 would be a great choice for you.
Last update on 2023-04-11 at 11:17 / Affiliate links / Images from Amazon Product Advertising API