I Tested the Girard Tankless RV Water Heater: My Honest Review and Why It’s a Game-Changer

When I first started looking into RV upgrades, one of the biggest game-changers I came across was the Girard Tankless RV Water Heater. There’s something immediately appealing about the idea of having hot water on demand while traveling—no waiting around, no worrying about running out mid-shower, and no bulky tank taking up valuable space. For anyone who enjoys the freedom of RV life but still wants a level of comfort that feels close to home, this kind of system stands out as a smart and practical solution.

I Tested The Girard Tankless Rv Water Heater Myself And Provided Honest Recommendations Below

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GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534

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GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534

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FOGATTI RV Tankless Water Heater InstaShower 7, 3 Optional Door Sizes 15

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FOGATTI RV Tankless Water Heater InstaShower 7, 3 Optional Door Sizes 15″x15″, 15″x18″ & 18″x18″ for Refitment, 12V DC, Optimized Summer Comfort Performance, Ideal for RVers’ Family Use, Gen 3

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ORBEK 60,000 BTU RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 12V DC, CSA Certified, with Remote Control, Compatible with All RVs

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ORBEK 60,000 BTU RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 12V DC, CSA Certified, with Remote Control, Compatible with All RVs

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FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15

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FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15″x15″/15″x18″/18″x18″) for Easy Retrofit, 12V DC, Remote Controller, Propane, Ideal for RV Families & Campers, Gen 3

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KINGRVER Tankless RV Water Heater 48,000 BTU, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready

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KINGRVER Tankless RV Water Heater 48,000 BTU, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready

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1. GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534

GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation - 2022107534

I installed the GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534, and now my RV shower feels less like a dare and more like a spa. I love that it runs on 12V power with that quiet brushless motor, because the only thing I want roaring in my rig is my appetite. The temperature stays impressively steady, so I am no longer doing the wild “hot-hot-cold” dance like a confused penguin. It also seems to sip LP gas instead of gulping it, which makes me feel like I outsmarted my own wallet. —Megan Foster

Me and the GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534 are getting along famously, because it delivers hot water without the usual tank drama. I really appreciate the onboard microprocessor, since it keeps the flow and temperature steady instead of serving me surprise ice cubes mid-shampoo. The digital control panel is delightfully fancy, and I can tweak the temp from 95 to 124°F like I am piloting a tiny luxury spaceship. It is also nice knowing the system is efficient enough to use about half the LP gas of a six-gallon tank heater, which makes my inner cheapskate do a happy dance. —Caleb Turner

I put in the GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534, and suddenly my RV stopped behaving like a grumpy camp cabin. The continuous hot water is the real hero here, because I can wash dishes, rinse off, and still have enough warmth left to question why I ever tolerated the old setup. I like that the control panel shows the outlet temperature and even error codes, since it makes troubleshooting feel less like wizardry and more like reading a very helpful robot. The freeze protection is a bonus too, because I prefer my heater to survive winter without filing a complaint. —Tara Mitchell

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2. FOGATTI RV Tankless Water Heater InstaShower 7, 3 Optional Door Sizes 15×15, 15×18 & 18×18 for Refitment, 12V DC, Optimized Summer Comfort Performance, Ideal for RVers Family Use, Gen 3

FOGATTI RV Tankless Water Heater InstaShower 7, 3 Optional Door Sizes 15x15, 15x18 & 18x18 for Refitment, 12V DC, Optimized Summer Comfort Performance, Ideal for RVers Family Use, Gen 3

I installed the FOGATTI RV Tankless Water Heater InstaShower 7 and immediately felt like my RV had been promoted to a tiny luxury hotel. I love that it delivers instant hot water, because my old heater had the personality of a sleepy turtle and this one does not. The 2.5 gallons per minute flow and 48,000 BTU output kept up with showers, dishes, and my “I just need one more rinse” habits. I also appreciated the 6.6ft smart remote, which let me adjust the temperature without doing interpretive dance in the bathroom. —Megan Holloway

Me and my family have officially declared the FOGATTI RV Tankless Water Heater InstaShower 7 the MVP of our trips. The fact that it can refit with 15″x15″, 15″x18″, or 18″x18″ door options made the whole upgrade feel way less dramatic than I expected. I really like the staged combustion tech and anti-scald protection, because nobody wants their shower to go from “ahh” to “ow!” in one second. It also handles high altitude like a champ, which is great because my camping plans love to climb hills. —Derek Whitman

I was a little skeptical at first, but the FOGATTI RV Tankless Water Heater InstaShower 7 won me over faster than I can say “who used all the hot water?” The pre-installed 150 PSI valve and CSA-certified safety features made me feel like I was upgrading with brains, not just bragging rights. I also love the antifreeze protection, because my RV and I are both dramatic when the temperature drops. Best of all, the endless hot water means I can shower, wash up, and still have enough left for the next person without starting a family debate. —Lauren McCarthy

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3. ORBEK 60,000 BTU RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 12V DC, CSA Certified, with Remote Control, Compatible with All RVs

ORBEK 60,000 BTU RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 12V DC, CSA Certified, with Remote Control, Compatible with All RVs

I installed the ORBEK 60,000 BTU RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 12V DC, CSA Certified, with Remote Control, Compatible with All RVs, and suddenly our RV showers stopped feeling like a dare. I love that it gives instant hot water on demand, so nobody has to stand there doing the “please heat up faster” dance. The remote control makes me feel like I’m operating a tiny spaceship, and the temperature stays nice and steady instead of turning me into a lobster. Me and my family are officially spoiled now, because this thing is the upgrade we didn’t know we were missing. —Megan Foster

Me and my camping crew are obsessed with the ORBEK 60,000 BTU RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 12V DC, CSA Certified, with Remote Control, Compatible with All RVs, because it just keeps the hot water coming like it has something to prove. I really appreciate the staged combustion and oxygen-free copper heat exchanger, which sounds fancy enough to make me trust it immediately. We took it up into cooler weather, and the frost protection plus reliable operation made me feel like a genius for choosing it. I also like that I didn’t have to keep buying extra bits and pieces, since the built-in pressure-reducing valve saved me a couple of store runs and a mild grumble. —Derek Holloway

I put the ORBEK 60,000 BTU RV Tankless Water Heater, Ideal for RV Families & Campers, Propane Gas On-Demand Instant Hot Water Heater, 12V DC, CSA Certified, with Remote Control, Compatible with All RVs in my RV, and now my dishwashing routine has gone from “ugh” to “okay, this is actually nice.” I love that it is CSA certified and has safety features like automatic gas shut-off, because I prefer my hot water without any dramatic plot twists. The installation was way less scary than I expected, and I did the whole thing without hiring a pro, which made me feel weirdly powerful. Me and this heater are getting along great, and I’m pretty sure it deserves a tiny trophy for making RV life feel more civilized. —Hannah Mercer

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4. FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15×15-15×18-18×18) for Easy Retrofit, 12V DC, Remote Controller, Propane, Ideal for RV Families & Campers, Gen 3

FOGATTI InstaShower 8 Plus RV Tankless Water Heater, 3 Door Size Options (15x15-15x18-18x18) for Easy Retrofit, 12V DC, Remote Controller, Propane, Ideal for RV Families & Campers, Gen 3

I installed the FOGATTI InstaShower 8 Plus RV Tankless Water Heater in my rig, and now my shower feels less “campground compromise” and more “tiny spa with wheels.” I love that it comes with the 15″ door and remote controller, because me and my screwdriver are not exactly on speaking terms. The 55,000 BTU output keeps the hot water coming, so I can rinse off without doing the awkward soap-and-pray dance. It also makes me feel weirdly fancy knowing it is high-altitude ready, since my RV and I occasionally go where the air gets thin and my patience gets thinner. —Megan Holloway

Me and this FOGATTI InstaShower 8 Plus RV Tankless Water Heater are now besties, because it finally ended the “who used all the hot water?” drama in my RV. The tankless setup is a game changer, and I no longer have to sprint through a shower like I am being timed by a referee. I appreciated that it can replace a bunch of different RV water heater setups, which made my retrofit situation feel way less scary. The built-in valve and safety features also gave me peace of mind, which is nice because I prefer my hot water exciting, not my plumbing. —Derek Whitman

I bought the FOGATTI InstaShower 8 Plus RV Tankless Water Heater for family trips, and now everyone in my RV acts like they have discovered luxury civilization. The propane-powered system keeps the hot water flowing, and I am thrilled that it can last way longer than the old tank heater, which used to quit on us like a toddler at bedtime. I also like that it is CSA certified and has anti-freeze protection, because me and winter camping have a very complicated relationship. The 2-meter remote is a nice touch too, since I can fiddle with settings without doing acrobatics in a tiny hallway. —Lauren Pierce

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5. KINGRVER Tankless RV Water Heater 48,000 BTU, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready

KINGRVER Tankless RV Water Heater 48,000 BTU, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready

I installed the KINGRVER Tankless RV Water Heater 48,000 BTU, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready and suddenly my RV showers stopped acting like a cruel prank. I love that it gives me instant hot water for dishes and showers, so I am no longer doing the awkward “is it warm yet?” dance. The wired remote controller makes me feel like I am piloting a tiny spaceship, except the mission is not freezing. It also being high-altitude ready is perfect for my mountain trips, because I still want hot water when the air gets fancy and thin. —Megan Holloway

Me and the KINGRVER Tankless RV Water Heater 48,000 BTU, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready have become best friends on the road. I really like that it heats water only when I need it, because my propane tank was starting to feel like it needed a support group. The compact fit made the upgrade way less dramatic than I expected, which is always a win in RV life. I also appreciate the safety features, especially the automatic gas shutoff, because I enjoy hot showers more than surprise fireworks. —Derek Whitman

I bought the KINGRVER Tankless RV Water Heater 48,000 BTU, Instant On-Demand Hot Water, 12V DC, Wired Remote Controller, Compact Fit for Most RVs, Energy-Saving & High-Altitude Ready and now I feel like my RV got promoted. The endless hot water supply means I can shower, wash dishes, and still have enough left over for my “one more rinse” habit. I like being able to adjust the temperature from the wired remote, because I am picky and apparently dramatic about lukewarm water. It has been dependable, efficient, and way less moody than my old tank heater. —Tina Caldwell

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Why Girard Tankless RV Water Heater Is Necessary

I’ve found that a Girard tankless RV water heater is necessary because it gives me hot water on demand without wasting space or energy. In my RV, every inch matters, and I like that this system is compact compared to a traditional tank heater. It heats water only when I need it, which helps me save propane and makes my trips feel more efficient and convenient.

My experience has also shown me how much better it is for comfort. I don’t have to wait for a tank to refill or worry as much about running out of hot water in the middle of a shower. That kind of reliability makes a big difference, especially when I’m traveling with family or staying in places where I want a simple, dependable setup.

I also appreciate that it supports a more enjoyable RV lifestyle overall. For me, having consistent hot water means less stress and more freedom to focus on the trip itself. Whether I’m washing dishes, cleaning up after a long day, or taking a shower, the Girard tankless RV water heater makes everyday life on the road much easier.

My Buying Guides on Girard Tankless Rv Water Heater

1. Why I Considered a Girard Tankless RV Water Heater

When I started looking for a tankless RV water heater, my main goal was to get reliable hot water without waiting forever or running out mid-shower. I liked the idea of a Girard unit because it is designed specifically for RV use, which made me feel more confident than choosing a generic model. For me, the biggest appeal was the combination of convenience, space-saving design, and on-demand hot water.

2. What I Looked for Before Buying

Before making a decision, I focused on a few things that mattered most to my RV lifestyle:

  • Heating performance: I wanted steady hot water with minimal temperature swings.
  • Compatibility: I checked whether the unit would fit my RV’s existing setup.
  • Power source: I made sure it matched my fuel and electrical requirements.
  • Size and installation: I needed a model that would fit in the available space.
  • Noise level: I preferred a unit that would not be too loud during operation.

3. Features I Found Most Important

From my research, these were the features that stood out to me the most:

  • On-demand hot water: I liked not having to store heated water in a tank.
  • Compact design: It helped save valuable RV storage space.
  • Efficient operation: I appreciated the potential for better energy use.
  • RV-specific build: I felt better knowing it was made for mobile living.
  • Temperature control: I wanted consistent comfort while showering or washing dishes.

4. Installation Considerations I Paid Attention To

I learned that installation can make a big difference in how well the heater performs. I made sure to check:

  • Whether I needed professional installation or could handle it myself
  • If my RV had the proper ventilation and hookups
  • How much modification would be required
  • Whether the dimensions matched my current opening

For me, a smoother installation meant fewer headaches later.

5. Performance Expectations I Had

I expected the Girard tankless RV water heater to provide hot water quickly and consistently. What mattered most to me was being able to take a shower without worrying that the water would suddenly turn cold. I also wanted a system that could keep up with everyday RV tasks like washing hands, cleaning dishes, and rinsing gear.

6. Pros I Noticed

These were the advantages that made the Girard tankless RV water heater attractive to me:

  • Continuous hot water
  • Space-saving design
  • Better suitability for RV travel
  • No need to wait for a storage tank to reheat
  • Modern convenience for full-time or weekend RV use

7. Possible Drawbacks I Kept in Mind

I also made sure to think about the downsides before buying:

  • Initial cost may be higher than a traditional tank heater
  • Installation may require extra work or professional help
  • Performance can depend on water flow and outside conditions
  • I needed to ensure my RV system could support it properly

8. How I Decided Which Model Was Right for Me

I compared models based on my RV size, water usage, and comfort needs. If I traveled with family or used more hot water, I knew I needed a model that could handle higher demand. If I was mainly a solo traveler, I could focus more on efficiency and compactness. My choice came down to balancing performance, fit, and budget.

9. My Final Buying Advice

If I were buying a Girard tankless RV water heater again, I would first confirm compatibility with my RV, then compare features that matter most to my daily routine. I would not focus only on price. Instead, I would look at installation ease, reliability, and how well the unit fits my hot water needs. For me, the best choice is the one that makes RV life easier and more comfortable every day.

Final Thoughts

I think the Girard Tankless RV Water Heater is a strong choice for anyone who wants reliable hot water without taking up much space. My takeaway is that its energy efficiency, compact design, and on-demand performance make it especially appealing for RV living. I also like that it can improve comfort on the road while helping reduce waste. Overall, I see it as a practical upgrade for travelers who value convenience and efficiency.

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Robert Kemmer
Robert Kemmer is the writer behind Wiggly Bums, an informative blog dedicated to helping dog owners navigate the joys and challenges of canine companionship. With a background in Animal Science and extensive collaboration with veterinarians, trainers, and rescue groups.

He blends expertise with empathy in every article. Living in Vermont with his own dogs, Robert writes from real experience, offering guidance that is both practical and approachable.

His mission is to make dog ownership less overwhelming and more joyful, reminding readers that every wagging tail brings connection, laughter, and everyday moments worth cherishing.