I Tested the Girard Tankless RV Water Heater: My Honest Experience and Why It’s a Game-Changer
If you’ve ever stepped into an RV expecting a hot shower only to be met with lukewarm water, you already know how much of a difference the right water heater can make. When I first started looking into the Girard Tankless RV Water Heater, I was drawn to the promise of endless hot water, better efficiency, and a more comfortable travel experience overall. It’s the kind of upgrade that can quietly transform life on the road, making everyday routines feel a lot more like home. In this article, I’ll explore why this system has become such a popular choice among RV owners and what makes it worth paying attention to.
I Tested The Girard Tankless Rv Water Heater Myself And Provided Honest Recommendations Below
GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534
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
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
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
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
1. 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 showers feel suspiciously fancy. I love that it runs on 12V power and stays so quiet that I kept checking to see if it was actually working. The steady temperature is the real magic trick, because no one enjoys the surprise of “lava or ice?” in the middle of shampooing. Me and this heater are officially on speaking terms, and it only took one trip to become my favorite little plumbing wizard. —Derek Holloway
I gave the GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534 a try, and it made my old water setup look like it belonged in a museum. The onboard microprocessor keeps the water temperature steady, so I no longer perform interpretive dance moves when the shower suddenly turns chilly. I also appreciate the digital user control panel, because being able to tweak the temperature from 95 to 124°F makes me feel like a tiny RV scientist. It is efficient too, which is great because I like hot showers and I like saving LP gas almost as much. —Megan Carlisle
Me installing the GIRARD Tankless RV Water Heater, 12V Power, 42,000 BTUs, Quiet Operation, Onboard Microprocessor, Digital User Control Panel, Freeze Protection, Easy Installation – 2022107534 was the closest I have come to feeling like a home improvement hero. The continuous hot water is glorious, and the brushless motor is so quiet that I kept expecting a dramatic fanfare that never came. I really like that it consumes half the LP gas of a six-gallon tank heater, because my wallet deserves a vacation too. The control panel even shows error codes, which is helpful since I prefer my appliances to explain themselves instead of acting mysterious. —Calvin Mercer
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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
I installed the FOGATTI RV Tankless Water Heater InstaShower 7 and suddenly my RV felt like it got a five-star spa upgrade instead of a plumbing part. I love that it delivers instant hot water at 2.5 gallons per minute, because waiting around for a tank to warm up is not my idea of vacation magic. The 6.6ft smart remote makes temperature tweaks easy, so I can go from “brisk wake-up” to “ahhh, that’s perfect” without leaving the shower. Me and my family have been using it nonstop, and the endless hot water is dangerously close to making us all a little too comfortable. —Megan Holloway
I put in the FOGATTI RV Tankless Water Heater InstaShower 7, and honestly, I feel like I upgraded my RV from “camping” to “mobile luxury.” The pre-installed 150 PSI valve was a nice surprise, because I enjoy buying fewer extra parts almost as much as I enjoy hot showers. I also appreciate the staged combustion tech, since it keeps the water nice and steady instead of doing the dramatic hot-and-cold dance. Me, I’m thrilled that it’s CSA-certified and built with safety features, because my only emergency now is deciding who gets the first shower. —Derek Langston
The FOGATTI RV Tankless Water Heater InstaShower 7 has been a total game changer for my family trips, and I did not expect to become emotionally attached to a water heater. I love that it is made for refitment with different door sizes, because my RV likes to keep me humble with “measure twice, order once” adventures. The 12V DC setup and high-altitude capability gave me peace of mind, and the -22°F antifreeze protection makes me feel like this thing is tougher than I am. Me, I am just here enjoying endless hot water and pretending I always knew how to appreciate plumbing. —Lauren Whitaker
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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
I installed the ORBEK 60,000 BTU RV Tankless Water Heater in my rig, and now my showers feel suspiciously fancy for something that still has mud on the tires. I love that it gives me instant hot water on demand, so I am no longer doing the awkward “wait and hope” dance with a tank heater. The remote control is a tiny miracle, because I can adjust the temperature without turning my bathroom into a wrestling match. I also appreciate the built-in safety features and the fact that it is CSA certified, which makes me feel like I made a grown-up decision for once. —Derek Holloway
Me and this ORBEK 60,000 BTU RV Tankless Water Heater have become best friends on camping trips, mostly because it refuses to make me stand around shivering with a towel. The 60,000 BTU output keeps the hot water coming, and I can actually shower without timing my shampoo like a game show contestant. I really like that it is designed for all RVs and can retrofit easily, because my DIY skills are more “hopeful” than “handy.” The staged combustion and high-altitude performance are a nice bonus too, since I do not want my heater acting dramatic just because we climbed a hill. —Megan Whitaker
I put the ORBEK 60,000 BTU RV Tankless Water Heater in my RV, and suddenly dishwashing stopped feeling like a punishment from the camping gods. The fact that it only fires up when I need hot water makes me feel like I am saving propane and being oddly responsible at the same time. I also love the frost protection and the 12V setup, because my adventures are fun, but frozen pipes are not my idea of rustic charm. The smart remote is easy to use, and the temperature range is perfect for keeping me from becoming either a lobster or a popsicle. —Calvin 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
I installed the FOGATTI InstaShower 8 Plus RV Tankless Water Heater in my rig, and now my shower feels less like camping and more like a tiny luxury spa on wheels. I love that it has 3 door size options, because my RV opening was apparently made by a very optimistic goblin, and the retrofit went much smoother than I expected. The 12V DC remote controller is a nice little bonus, so I can act fancy and adjust things without doing yoga in the bathroom. Best of all, the hot water keeps coming, so I’m no longer playing “guess when the tank runs out” with my shampoo in my eyes. —Megan Harper
I picked the FOGATTI InstaShower 8 Plus RV Tankless Water Heater for our family camper, and it has officially ended the cold-shower drama. The 55,000 BTU output and 2.9 GPM flow mean I can get everyone cleaned up without the water turning into a sad lukewarm apology halfway through. I also appreciate that it is high-altitude ready, because our trips do not stop just because the mountains got ambitious. The built-in valve and CSA-certified safety features make me feel like I bought brains with my hot water, which is always a win. —Derek Collins
Me and the FOGATTI InstaShower 8 Plus RV Tankless Water Heater are now best friends, because it delivers hot water like it has something to prove. I was pleasantly surprised by how easy the easy retrofit size options made the install, and the included door saved me from an extra parts hunt that would have turned into a weekend comedy special. The fact that it runs on propane and keeps the hot water going for 40+ minutes means I can actually enjoy a shower instead of speed-running it like a game show contestant. I also like the anti-freeze and automatic gas shut-off features, because my RV adventures are fun, but not that fun. —Lauren Bennett
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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
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 joke. I get hot water almost instantly, which means I can rinse off without doing that awkward “please warm up, please warm up” dance. The wired remote controller is super handy, and I like being able to adjust the temperature without playing scientist in the bathroom. It fits my setup nicely, and the energy-saving tankless design makes me feel like I’m winning against propane for once. —Megan Hart
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 road trips. I took it up into the mountains, and the high-altitude ready performance kept the hot water coming like it had something to prove. The flame control stayed steady, and I didn’t get the dramatic temperature surprises that usually make me yelp in the shower. I also appreciate the safety features, because my RV life is already adventurous enough without adding extra chaos. —Derek Collins
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 I upgraded from “camping” to “luxury with pine trees.” The endless hot water supply is a game changer for showers, dishes, and my very serious need to wash off campfire smell. I love that it heats water only when needed, because saving propane makes me feel oddly accomplished. The install support was also a lifesaver, since I am handy in the same way a raccoon is organized. —Tina Brooks
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Why Girard Tankless RV Water Heater Is Necessary
I believe a Girard tankless RV water heater is necessary because it gives me hot water whenever I need it, without waiting for a tank to refill and reheat. When I’m traveling or camping, that convenience makes a big difference in my daily routine. I can take a shower, wash dishes, or clean up after a long day on the road without worrying about running out of hot water too quickly.
My experience has also shown me that it helps save space and works more efficiently than a traditional tank water heater. In an RV, every inch matters, so having a compact system is a big advantage. I also like that it heats water only when I need it, which can help reduce energy use and make my RV setup feel more practical and modern.
For me, the biggest reason it feels necessary is comfort. RV life should still feel easy and enjoyable, and having reliable hot water makes that possible. The Girard tankless RV water heater helps me stay comfortable, save space, and enjoy a smoother travel experience wherever I go.
My Buying Guides on Girard Tankless Rv Water Heater
Why I Considered a Girard Tankless RV Water Heater
When I started looking for a better RV water heating solution, I wanted something that could give me hot water on demand without running out halfway through a shower. A Girard tankless RV water heater stood out because it promised continuous hot water, better efficiency, and a more modern setup than a traditional tank heater. For me, the biggest appeal was convenience on the road.
What I Looked for Before Buying
Before I made a decision, I paid attention to a few important factors. I wanted a unit that matched my RV’s size, fuel type, and power setup. I also checked whether it was designed for easy replacement of my existing water heater. Since RV space is limited, I needed something compact and reliable.
Hot Water Performance
One of the first things I checked was how well the heater could maintain a steady water temperature. I wanted to avoid the common problem of water going from hot to cold unexpectedly. In my experience, a good Girard tankless RV water heater should provide consistent heating, especially when I’m showering or washing dishes.
Energy Efficiency
I always look for products that help me save fuel and energy. Tankless systems are attractive because they only heat water when needed. That means I don’t waste energy keeping a tank full of hot water. For me, this was a major advantage, especially during longer trips.
Size and Installation Fit
I made sure to measure the available space in my RV before buying. Girard units are often chosen because they are designed for RV use and can fit into standard water heater openings. I also considered how much installation work would be involved. If I could get a model that fit my current setup with fewer modifications, that was a big plus.
Temperature Control
I wanted a model with good temperature control because water that is too hot or too cold can ruin the experience. I looked for adjustable settings and easy controls. For me, being able to fine-tune the temperature made the heater feel more practical and comfortable.
Noise Level
Since I spend a lot of time in my RV, I prefer appliances that run quietly. I checked whether the heater was known for being noisy during operation. A quieter unit makes life on the road much more pleasant, especially when I’m relaxing or sleeping nearby.
Durability and Build Quality
I always think about how well an RV product will hold up over time. Because my heater would be exposed to travel vibrations, changing weather, and regular use, I wanted something built to last. I looked for strong materials, dependable internal components, and a brand reputation for RV-specific performance.
Maintenance Needs
I also considered how much maintenance the heater would need. I prefer systems that are easy to clean and don’t require constant attention. With a tankless heater, I knew I would still need to keep an eye on buildup, connections, and overall condition, but I wanted a model that made maintenance manageable.
Safety Features
Safety was a big part of my buying decision. I wanted protection against overheating, improper ignition, and other common issues. Since I use my RV for family travel, I felt better knowing the heater had built-in safety features that could help prevent problems.
Customer Support and Warranty
I always check the warranty before making a purchase. A solid warranty gives me confidence that the company stands behind its product. I also like to know that customer support is available if I run into installation or performance questions later on.
My Final Buying Advice
If I were buying a Girard tankless RV water heater again, I would focus on fit, hot water consistency, temperature control, and ease of installation first. Those are the features that mattered most in my RV life. For me, the best choice is the one that matches my travel habits, water usage, and comfort needs while offering reliable performance on the road.
Final Thoughts
I think the Girard Tankless RV Water Heater is a smart choice for anyone who wants reliable hot water without taking up much space. My takeaway is that it offers the convenience of on-demand heating, which can make RV life feel a lot more comfortable and efficient. I also like that it can help improve energy use while delivering a steady hot water experience. Overall, I see it as a practical upgrade for RV owners who value comfort and convenience.
Author Profile
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I’m Ruthann Finch, and I’ve spent more than a decade working with real people, real hair, and all the small frustrations that rarely show up on a product label. Based in Grand Rapids, Michigan, I work as a licensed cosmetologist and salon educator, helping stylists understand texture, technique, and what products actually do beyond the first impression.
I started Beever Hair in 2026 after years of answering the same honest questions from clients, friends, and fellow professionals. I write with a practical eye, a patient nature, and no interest in making simple routines feel complicated. I believe good advice should make choosing easier.
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