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The 8 Best lp tankless water heater of 2024

Are you trying to find lp tankless water heater among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling lp tankless water heater on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 19 hours of research and did 42 lp tankless water heater tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best lp tankless water heater you can buy today

SaleNo. 1
MAREY GA10FLP 2.64 GPM, 68,240 BTU's LP Gas Flow activated Gas Tankless Water Heater, White
  • 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: 22 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: 2.64-GPM heater is activated by water flow rather than water pressure; Minimum activation rate: 0.65 GPM; Maximum input rating: 68,240 BTUs; Minimum temperature: 6.80 to 64.40 degrees Fahrenheit; Water connection location/size: Bottom/0.5-inch NPT
No. 2
Rinnai RL94iP Tankless Hot Water Heater, 9.8 GPM, Propane, Indoor Installation
661 Consomer Reviews
Rinnai RL94iP Tankless Hot Water Heater, 9.8 GPM, Propane, Indoor Installation
  • 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 RE180iP 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 9.8 GPM (6 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)
  • 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
No. 3
Tankless Water Heater 4.21GPM 16L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
  • 【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 3.6PSI of water pressure,4.21 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane(LPG)
  • 【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 68000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
  • 【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 your pet a bath,Size: 21.65x5.9x13.4 inches,Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries.
  • 【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 Holder,There are three interface ports under propane water heater. The left one is the Air inlet. ​The middle one is the shower port,and The right one is the water inlet.
  • 【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. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation.
  • 【Satisfaction Guarantee】-We feel confident that you will love our tankless water heater .If there's something makes you unsatisfied, please don't hesitate to contact us. We would offer you 100% refund or a replacement within 3 months.
No. 4
Seeutek Portable Water Heater 1.6GPM/6L, Outdoor Propane Gas Tankless Water Heater, On Demand Water Heater for RV Camping, Instant Hot Water for Shower Overheating Protection White
  • 🏝️Product Parameters: Applicable Water Pressure Range: 3.0-145 PSI; Maximum Power Output: 41,000btu/Hr; Water Output Per Minute:1.6GPM/6L; Item Dimensions LxWxH: 11.42x4.9x14.57 inches; Weight: 13.3 pounds. Efficient and energy-saving, lightweight and convenient.
  • 🏝️Excellent Performance:【Instant hot water】: Instant and continuous supply of hot water whenever you need it.【High efficiency and energy saving】: It has two combustion modes in summer and winter, and both the heat exchanger and the main burner adopt the most advanced energy-saving combustion technology, which can reduce gas consumption and noise while ensuring the continuous supply of hot water.
  • 🏝️High Safety Security: Our propane water heater have multiple safety protection settings【Overheat Protection】: When the water temperature exceeds 167℉, the gas supply is automatically shut off.【Anti-freeze Protection】: The anti-freeze drain plug can drain the residual water and avoid freezing when the temperature is low or when it is not used for a long time.
  • 🏝️Convenient and Durable: Our tankless water heater are lightweight and portable, with a portable handle for easy carrying and hanging for outdoor use. This outdoor water heater has a compact and sturdy frame design, not only space saving but also durable and has a long service life. Easy to install and great for outdoor use.
  • 🏝️Multi-scene Application: This instant water heater is suitable for outdoor shower in various scenarios, such as RV shower, outdoor camping, pet washing, outdoor pool shower, outdoor car wash and beach bathing. Provide you with hot water anytime and anywhere. Safe and comfortable, convenient and energy-saving.
  • 🏝️Reliable After-sales Service: As long as you buy our products, we will be responsible for your products! If you have any questions, please feel free to contact our customer service, we will solve any product-related problems for you.
No. 5
Eccotemp i12-LP Water Heater, 4 GPM, Black
  • Whole home indoor, gas powered tankless water heater, rated at 4 GPM that activates only on demand and no pilot light needed, reducing energy consumption
  • Sleek, modern design with black tempered glass front panel featuring an easy to use LED display controls
  • Features fully automatic temperature controls with an energy saving mode and child lock technology
  • Safe electronic ignition system; Plugs into standard 110v electrical outlet with UL-listed cord
  • Uses standard 1/2" NPT water fittings and comes with horizontal venting allowing for a convenient and quick installation
No. 6
Rinnai V53DeP Tankless Hot Water Heater, 5.3 GPM, Propane, Outdoor Installation
  • Endless Hot Water: Our tankless hot water heaters let you enjoy unlimited hot water flow throughout the house with a compact and durable design that fits your home and lifestyle
  • Energy and Space Efficient Tankless Gas Water Heater: This small hot water heater conserves energy, only heating when necessary; Enhanced scale detection lessens possibility of serious, long-term damage to unit
  • Optimal Water Pressure: This tankless water heater offers a high-performance hot water flow rate up to 5.3 GPM for a powerful, constant stream that serves up to 4 appliances at once
  • 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
  • Guaranteed to Last: 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts, respectively
No. 7
Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters, White
  • Whole home indoor, gas powered tankless water heater, rated at 3.6 GPM that activates only when in use, making it an energy saver.
  • For indoor installation with safe, efficient power ventilation and perfect for any small home, cabin or apartment.
  • Easy to read digital temperature display, on a compact and space-saving design with minimal noise output.
  • Safe electronic ignition system; plugs into standard 120v electrical outlet with UL-listed cord.
  • Uses standard 1/2" NPT water fittings and is equipped with easy to use manual water temperature controls.Minimum 0.65 GPM flow rate
SaleNo. 8
Excel Tankless On-Demand Gas Water Heater VENTFREE – Propane (LPG) - NO FLUE REQUIRED
  • PROPANE LPG GAS UNIT
  • NO FLUE REQUIRED
  • Starts with only 15 PSI of Water Pressure - Amazon Exclusive
  • Exclusive - Vent-Free Technology No expensive Flue required Amazon Exclusive
  • Compact size: front 11.5” - depth 6” – height 16”
No. 9
Tankless Water Heater Propane 4.21GPM 16L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
  • 【Efficient & Energey Saving】-The water heater exchanger and main burner are desinged with advanced combustion technology to decrease consumption and burning noise.Maximum power output 68,000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
  • 【CSA Approved Safety 】-Tankless Water Heater with CSA Approved Regulator, safe as per Canadian and US Standard.with more safety protection such as flame failure device, anti-freezing protection, over heating protection to ensure the family safety,Automatically decrease water pressure between 3.6-110PSI.
  • 【Lightweight Portable Design】-Compact 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 your pet a bath,Dimension: 13.4x5.9x21.65 inches, Shower head with one button:just press the shower head button once to stop the water flow and prevent water waste.
  • 【Easy to Install】-Equipped with BSP pipe fittings and all necessary accesories , There are three interface ports under water heater. The left one is the Air inlet. ​The middle one is the shower port,and The right one is the water inlet, which is very convenient for customers to install.The tankless water heater will "caught on fire with improper operation. Always check whether leakage befor operation.
  • 【Widely Application】-Our water heater is mainly used for outdoor showering with hot water,provides you a safe and comfortable hot shower at anytime and anywhere, Compact and space-saving design is portable for the outdoors, which bringing an amazing hot shower for you when you are camping, hiking, fishing, beaching, etc. Besides, you can also wash your pets with this tankless water heater.
No. 10
Mizudo Propane Gas Tankless Water Heater 3.6 GPM, 80,000 BTU Indoor Installation Instant Hot Water heater
  • 【Instant Hot Water Heater】Tankless water heaters can provide endless hot water on demand for 2- 3 water points.
  • 【Comfortable Bathing Experience】3.6 GPM hot water flow, precise temperature control, no water temperature sandwich.
  • 【Premium design and Durable】Adopt oxygen-free copper water tank, reduce heat loss, high efficiency and durability.
  • 【Compact Design】Save over 50% of available space compared to tank water heater.
  • 【Quality Service】If you encounter product quality problems, you can contact us by phone, email and message, and we will provide service according to the warranty policy.

How to choose a good lp tankless water heater

Does the idea of finding a fantastic lp tankless water heater make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in lp tankless water heater. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top lp tankless water heater products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top lp tankless water heater on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top lp tankless water heater brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top lp tankless water heater based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the lp tankless water heater were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good lp tankless water heater, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your lp tankless water heater.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting lp tankless water heater for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our lp tankless water heater. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what lp tankless water heater should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on lp tankless water heater.