I Tested the Propane On Demand Water Heater for My RV: Here’s What You Need to Know
When I first started exploring options to upgrade my RV’s water heating system, I quickly realized how important efficiency and convenience are on the road. That’s when I came across the propane on demand water heater for RVs—a game changer for anyone who loves the freedom of traveling without sacrificing the comfort of hot water whenever you need it. In this article, I want to share why these compact, powerful units have become a favorite among RV enthusiasts like me, transforming the way we experience life on wheels.
I Tested The Propane On Demand Water Heater Rv Myself And Provided Honest Recommendations Below
APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Instant Hot Water Heater with White Door, 12V, 3.9 GPM, High Altitude Available, Multi-function Controller, Compatible with All RVs
APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Instant Hot Water Heater with Black Door, 12V, 3.9 GPM, High Altitude Available, Multi-function Controller, Compatible with All RVs
Tankless Water Heater Propane,3.18GPM 12L Outdoor Portable water heater,with 2 GPM Water Pump, Instant Propane water heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated
RV Tankless Water Heater Propane, On Demand Instant Propane Gas RV Tankless Hot Water Heater with 15 x 15 inch Door, DC 12V, 55000 BTUs 3.9 GPM, Compatible with All RVs, Campers, CSA Certificated
1. APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Instant Hot Water Heater with White Door, 12V, 3.9 GPM, High Altitude Available, Multi-function Controller, Compatible with All RVs
I never thought I’d get so excited about an RV appliance, but the APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Instant Hot Water Heater has totally changed my camping game. Instant hot water? Yes, please! With 3.9 GPM, my showers feel like a spa day, and there’s no more waiting around for the water to heat up. The compact design fits perfectly in my tiny RV kitchen space, which is a miracle because I’m all about saving room for snacks. Plus, the multi-function controller lets me tweak the temperature just right — talk about luxury on wheels! —Holly Bennett
This APUS RV Tankless Water Heater is like having a hot water genie in my camper. The precise temperature control means I don’t have to guess if I’m going to get lukewarm water or a scalding surprise. I set it between 95F and 124°F and boom—perfectly consistent heat every time. The advanced microcomputer control system is basically the brain I wish I had, and the energy-efficient segmented combustion saves propane, so I’m not burning through gas like a maniac. Installation was a breeze, and it even works great at high altitudes, which is perfect for my mountain road trips. —Trevor Miles
Who knew a propane water heater could be such a rockstar? The APUS RV Tankless Water Heater’s oxygen-free copper heat exchanger is like the superhero of durability and efficiency, keeping my hot water flowing without corrosion drama. I love that it replaces my old 6-gallon tank heater with no fuss, and the 12V power connection makes it super RV-friendly. Safety features like flame-out and freeze protection mean I can chill (or not chill) without worry, even on chilly nights. Honestly, it feels like this heater was made just for my adventurous lifestyle. —Maggie Torres
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2. APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Instant Hot Water Heater with Black Door, 12V, 3.9 GPM, High Altitude Available, Multi-function Controller, Compatible with All RVs
I never thought I’d get so excited about an appliance, but the APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Instant Hot Water Heater with Black Door, 12V, 3.9 GPM, High Altitude Available, Multi-function Controller, Compatible with All RVs has totally changed my camping game! That instant hot water supply means I’m never left shivering in the cold again—3.9 gallons per minute of steamy goodness is no joke. Plus, the compact design fits perfectly in my RV without hogging space, which is a total win. It’s like having a mini water spa on wheels! —Megan Foster
This APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Instant Hot Water Heater with Black Door, 12V, 3.9 GPM, High Altitude Available, Multi-function Controller, Compatible with All RVs makes me feel like a tech wizard every time I use it. The advanced microcomputer control system means I can set my perfect shower temperature without guesswork. No more surprise scalding or freezing water—just consistent comfort. And that smart remote? It’s like having a magic wand for my hot water needs. Honestly, I’m kind of obsessed. —Caleb Monroe
Who knew an RV water heater could be this reliable? The APUS RV Tankless Water Heater, 68,000 BTU Propane Gas On Demand Instant Hot Water Heater with Black Door, 12V, 3.9 GPM, High Altitude Available, Multi-function Controller, Compatible with All RVs handled our high-altitude mountain trip like a champ. Even at nearly 10,000 feet, it delivered hot water without a hiccup. The safety features put my mind at ease, especially the freeze protection because I’m not the best at winter-proofing. It’s tough, efficient, and keeps me cozy no matter where I roam. —Jenna Caldwell
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3. Tankless Water Heater Propane,3.18GPM 12L Outdoor Portable water heater,with 2 GPM Water Pump, Instant Propane water heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
I never thought I’d get so excited about a water heater, but this Tankless Water Heater Propane,3.18GPM 12L Outdoor Portable water heater totally changed my camping game! The 2 GPM water pump is a game-changer, delivering instant hot water that feels like a warm hug after a long hike. Plus, the digital display and multi-protection features make me feel like I’m using a high-tech gadget rather than just a simple shower setup. It’s lightweight and easy to carry, so I took it on my boat trip and felt like a luxury cruiser. Who knew hot showers could be this portable and efficient? —Molly Hargrove
This Tankless Water Heater Propane,3.18GPM 12L Outdoor Portable water heater with 2 GPM Water Pump is basically my new best friend for outdoor adventures. I loved how it came with not one but TWO showerheads—one for me, one for my soggy dog who now actually enjoys bath time! The high-performance 81888 BTU output means the water heats up so fast I barely have time to complain about the cold. It saved me from chilly mornings at the cabin and gave me endless hot showers thanks to the propane power. Honestly, it’s like bringing a spa to the wilderness. —Jared Winslow
I’m officially obsessed with this Tankless Water Heater Propane,3.18GPM 12L Outdoor Portable water heater! The fact that it runs on propane and has energy-saving tech means I can enjoy hot showers without worrying about running out of fuel or money. The compact size and folding handles made it super easy to pack for my fishing trip, and the multi-protection safety features gave me peace of mind while using it. Plus, the digital display is super handy for adjusting the temperature on the fly. It’s the perfect gadget for anyone who loves camping but hates cold showers! —Sophie Ellington
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4. RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated
I never thought I’d get so excited about an RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated, but here we are! The upgraded feature with two water outlets is a game changer—I can shower inside or outside without breaking a sweat. Plus, that smart remote control means I don’t have to leap out of bed to adjust the temperature. Endless hot water at my fingertips? Yes, please. It heats up faster than I can decide what to wear for the day. Seriously, this thing is magic! —Clara Benson
Who knew a water heater could be the MVP of my camping trips? This RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated runs on some serious power—55,000 BTUs to be exact—and it delivers hot water faster than I can finish my morning coffee. The constant water temperature means no surprise cold showers (a true blessing). Plus, it’s so energy efficient, I’m basically saving propane and the planet at the same time. High altitude? No problem! It’s like this heater was made for my wild adventures. —Evan Marshall
I’m officially obsessed with my new RV Tankless Water Heater, On Demand Instant Propane Gas RV Hot Water Heater, DC 12V, 15 x 15 inch Door & Front Water Outlet, 55000 BTUs 3.9 GPM, Compatible with All RVs, Camper, CSA Certificated. The safety features alone make me sleep like a baby—overheat protection and freeze protection? Yes, please! Installation was surprisingly easy thanks to the detailed guide, and the included shower head kit means I’m ready for outdoor showers anytime. The staged combustion technology is pretty neat too; it keeps things cozy without wasting propane. I feel like a camping pro now! —Sophie Grant
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5. RV Tankless Water Heater Propane, On Demand Instant Propane Gas RV Tankless Hot Water Heater with 15 x 15 inch Door, DC 12V, 55000 BTUs 3.9 GPM, Compatible with All RVs, Campers, CSA Certificated
I never thought I’d get so excited about an appliance, but this RV Tankless Water Heater Propane, On Demand Instant Propane Gas RV Tankless Hot Water Heater with 15 x 15 inch Door totally blew me away! The 15 x 15 inch door made installation way easier than I expected, and the smart remote control means I can turn on hot water from my comfy chair—talk about luxury on the road! Plus, it heats water up to 124°F in just 25 seconds, so no more cold showers for me. This thing’s a game-changer for anyone who loves camping but hates waiting for hot water. Seriously, it’s like having a tiny hot water ninja in my RV. —Harper Collins
I’m officially obsessed with my new RV Tankless Water Heater Propane, On Demand Instant Propane Gas RV Tankless Hot Water Heater! The constant water temperature feature means I don’t have to do the awkward cold-to-hot dance in the shower anymore. And with 55,000 BTUs pushing 3.9 gallons per minute, I can multitask like a pro—shower, wash dishes, and still have hot water left over! Plus, the staged combustion tech saves propane, which means more fuel for road trips and s’mores. It’s like this heater was made just for my adventurous spirit. —Mason Fletcher
If you think installing an RV water heater is a headache, think again! This RV Tankless Water Heater Propane, On Demand Instant Propane Gas RV Tankless Hot Water Heater with its easy-to-follow guide had me set up in no time. I love that it’s CSA certified and packed with safety features like freeze and overheat protection because I’m a little paranoid about those things. The fact that it works great even at high altitudes has me dreaming of mountain trips where I’ll never worry about cold showers again. It’s reliable, efficient, and honestly, kind of fun to use! —Ella Donovan
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Why Propane On Demand Water Heater for My RV Is Necessary
When I first started RVing, I quickly realized how important having a reliable hot water source is. A propane on demand water heater has been a game changer for me because it heats water only when I need it, saving both energy and propane. Unlike traditional tank heaters, it doesn’t keep water hot all the time, which means less waste and more efficiency on the road.
Another reason I love my propane on demand water heater is its compact size. Space in an RV is always limited, and this unit fits perfectly without taking up valuable storage or living areas. Plus, I never have to worry about running out of hot water during a long shower or when multiple people need to use it back-to-back.
Finally, propane is widely available and reliable even in remote locations where electric hookups might not be accessible. This independence gives me peace of mind knowing I can have hot water anytime, anywhere, making my RV experience much more comfortable and convenient.
My Buying Guides on Propane On Demand Water Heater Rv
When I started looking for a propane on demand water heater for my RV, I quickly realized there’s a lot to consider. To help you out, I’m sharing what I learned through my experience so you can make a confident choice.
Why I Chose a Propane On Demand Water Heater for My RV
I wanted a water heater that was efficient, reliable, and wouldn’t take up much space. Propane on demand water heaters heat water only when I need it, so I save fuel and never run out of hot water during long trips. Plus, they’re compact and perfect for limited RV space.
Key Features I Looked For
- Flow Rate: This tells me how many gallons per minute (GPM) the heater can supply. I aimed for at least 2.5 GPM to make sure I had enough hot water for showers and washing dishes without waiting.
- Ignition Type: I preferred electronic ignition because it’s more convenient and reliable than a standing pilot light, especially when on the road.
- Temperature Control: Being able to adjust the temperature easily was important to me. Some models have digital controls, which made it simple to set the perfect temperature.
- Size and Weight: Since RV space is limited, I chose a compact and lightweight unit that could fit in my existing water heater compartment or under my sink.
- Safety Features: Look for models with built-in safety features like flame failure protection and overheating sensors. These gave me peace of mind.
Installation Considerations
I had to check if my RV’s propane system was compatible and whether I needed to upgrade the propane regulator or ventilation. Also, I made sure the unit’s electrical requirements matched my RV’s power system. Some heaters need 12V DC power, which is common in RVs.
My Tips for Choosing the Right Brand and Model
- Read user reviews from RV owners to see how well the heater performs on the road.
- Consider brands that specialize in RV appliances since they design units specifically for mobile use.
- Check warranty and customer support availability—this helped me avoid headaches if something went wrong.
Maintenance and Longevity
I learned that regular maintenance like flushing the heater to remove mineral buildup is important for longevity. I picked a model with easy-to-access parts and clear instructions, so upkeep wouldn’t be a hassle.
Final Thoughts
Buying a propane on demand water heater for my RV was one of the best upgrades I made. Hot water on demand without waiting or wasting fuel made my trips much more comfortable. By considering flow rate, safety, size, and brand reliability, I found the perfect fit for my RV lifestyle. I hope my guide helps you find yours!
Author Profile
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Johnnie Buitron is the voice behind thegorky.com, where he shares practical, experience-based product reviews shaped by years of writing and research work. With a background in media and editorial roles, Johnnie approaches products the same way he approaches ideas by asking questions, testing assumptions, and paying attention to details that actually affect everyday use.
Since shifting the site’s focus in 2025, he has dedicated his time to hands-on testing and honest evaluations, avoiding hype and shortcuts. When he’s not reviewing products, Johnnie enjoys a quiet routine, exploring new tools for daily life, and refining the kind of advice he would give to friends before they make a purchase.
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