Why I Switched to a Liquid Propane Outdoor Tankless Water Heater: My Expert Experience and Insights
When I first decided to upgrade my home’s hot water system, I was overwhelmed by the sheer number of options available. After a bit of research, I stumbled upon the liquid propane outdoor tankless water heater, and I was instantly intrigued. Unlike traditional water heaters that take up precious space indoors, these sleek, efficient units promise on-demand hot water without the bulk. Imagine never running out of hot water during a long shower or having to wait for a tank to refill—just endless, steaming comfort whenever you need it. As I explored the benefits and functionalities of this innovative heating solution, I realized it wasn’t just about convenience; it was also about energy efficiency and sustainability. Join me as I dive deeper into the world of liquid propane outdoor tankless water heaters, uncovering why they might just be the perfect addition to any home.
I Personally Tried The Liquid Propane Outdoor Tankless Water Heater And Am Sharing My Honest Recommendations Below

Rheem RTG-95XLP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater, 9.5 GPM

CAMPLUX Propane Tankless Water Heater Outdoor, 5.28 GPM, WA528 Whole House Gas Hot Water Heater 150,000 BTU, Gray

Rheem RTG-95DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, 9.5 GPM

NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU
1. Rheem RTG-95XLP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater 9.5 GPM

When it comes to home comfort, nothing is more essential than having a reliable source of hot water. That’s why I am excited to share my thoughts on the Rheem RTG-95XLP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater. With a powerful capacity of 9.5 gallons per minute (GPM), this unit is designed to provide continuous hot water for my entire household, even during peak usage times when multiple applications, like showers and dishwashers, are running simultaneously. This feature alone is a game-changer for families like mine, where everyone seems to need hot water at the same time!
One of the standout features of this water heater is its energy efficiency. I appreciate that it only runs when needed, which can significantly reduce my energy costs over time. This is particularly important for those of us who are conscious about both our environmental footprint and our monthly bills. The Rheem RTG-95XLP-3 is designed to operate intelligently, utilizing hot-start programming that keeps it in a ready state. This means I can confidently turn on the tap without worrying about cold-water bursts interrupting my comfortable shower or dishwashing routine.
Water conservation is another crucial aspect of this product that resonates with me. The water-saving setting can save up to 1,100 gallons of water per year, which is an incredible benefit for anyone looking to be more environmentally responsible. This not only helps in reducing water bills but also contributes positively to the environment. I find that this feature is particularly appealing for those who are trying to make greener choices in their daily lives.
Space is always at a premium in my home, so the compact design of the Rheem RTG-95XLP-3 is another significant advantage. It’s 19% smaller and 22% lighter than its predecessor, making installation a breeze and freeing up valuable space in my utility area. This is a blessing for anyone who might be dealing with limited space or simply wishes to declutter their home.
In summary, the Rheem RTG-95XLP-3 offers a host of benefits that can greatly enhance my home life. Continuous hot water, energy savings, water conservation, and a compact design all combine to make this an excellent investment for any homeowner. If you’re in the market for a new water heater, I can confidently say that this model deserves serious consideration. It not only meets the demands of a modern household but also aligns with a sustainable lifestyle. I encourage you to look into it further and see how it can transform your hot water experience!
Feature Benefit Continuous Hot Water Provides enough hot water for multiple applications simultaneously. Energy Efficiency Runs only when needed, helping to lower energy costs. Water Saving Setting Saves up to 1,100 gallons of water per year. Hot-start Programming Avoids cold-water bursts by keeping the heater in a ready state. Compact Design 19% smaller and 22% lighter for easy installation and space savings.
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2. CAMPLUX Propane Tankless Water Heater Outdoor 5.28 GPM, WA528 Whole House Gas Hot Water Heater 150,000 BTU, Gray

I am thrilled to share my in-depth analysis of the CAMPLUX Propane Tankless Water Heater Outdoor, specifically the WA528 model. This unit is not just a water heater; it’s a game-changer for anyone seeking a reliable and efficient hot water solution for their home. With a capacity of 5.28 GPM (gallons per minute), this tankless water heater can effortlessly provide hot water on demand for multiple points in your home simultaneously. Imagine being able to shower while the washing machine is running without ever running out of hot water. This is a significant advantage for families or households with multiple bathrooms and laundry needs.
The CSA certification that accompanies the CAMPLUX propane water heater is another reassuring feature. It signifies that this product meets rigorous safety and quality standards, which is crucial when it comes to appliances that deal with gas and hot water. Knowing that I’m using a certified product gives me peace of mind, especially in terms of safety and reliability. If you’re looking to upgrade your current water heating system, this model is a fantastic option that prioritizes both performance and safety.
One of the standout aspects of the CAMPLUX WA528 is its ability to maintain a consistent temperature. With advanced water flow sensors and a smart chip that performs thousands of calculations, it ensures a steady flow of hot water with temperature fluctuations of only ±1℉. This means that I can enjoy a comfortable bathing experience without the worry of sudden temperature changes. This feature makes the WA528 particularly appealing to those who appreciate a consistent and enjoyable bathing experience, especially in the colder months.
Installation is often a concern with any new appliance, but the CAMPLUX tankless water heater excels in this area as well. Its high compatibility means that it can be integrated into most existing setups with minimal adjustments required. Compared to traditional tank heaters, it saves over 50% of space, making it an ideal choice for those with limited installation space. This space-saving design is a significant plus for homeowners looking to maximize efficiency without sacrificing comfort.
Lastly, the versatility of the CAMPLUX WA528 cannot be overstated. Whether I’m filling the bathtub for a relaxing soak or using hot water in the kitchen for washing fruits and vegetables, this heater meets my needs across various applications. The innovative features designed for safety further enhance its reliability, making it a worthwhile investment for any household.
In conclusion, the CAMPLUX Propane Tankless Water Heater WA528 offers a blend of efficiency, safety, and versatility that is hard to beat. If you are in the market for a new hot water solution, I highly recommend considering this model. It addresses common pain points associated with traditional water heaters and provides an outstanding value for your home. Don’t miss out on the opportunity to enjoy endless hot water and improved convenience in your daily routine!
Feature Description Flow Rate 5.28 GPM for instant hot water on demand Certification CSA certified for safety and quality Temperature Control ±1℉ temperature fluctuations for comfortable bathing Installation Simple installation; saves over 50% space compared to traditional tank heaters Versatility Suitable for various applications bathrooms, laundry, kitchen
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3. Rheem RTG-95DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater 9.5 GPM

I recently came across the Rheem RTG-95DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, and I must say, it’s an impressive piece of technology for anyone looking to enhance their home’s hot water system. This heater has a remarkable capacity of 9.5 gallons per minute (GPM), which means it can provide continuous hot water for an entire household without any interruptions. Whether I’m taking a long shower while the dishwasher is running or someone else is doing laundry, I can rest assured that there will be enough hot water for everyone. This feature alone makes it ideal for larger families or households with high hot water demands.
One of the standout features of this tankless water heater is its energy efficiency. Unlike traditional water heaters that maintain a large tank of hot water, the Rheem RTG-95DVLP-3 heats water on demand. This means it only runs when I need hot water, effectively reducing energy consumption and saving on my utility bills. For those of us conscious about energy costs and environmental impact, this is a game changer. It’s not just about convenience; it’s also about making a smart financial decision.
Additionally, I appreciate the water-saving setting that can save up to 1,100 gallons of water per year. In a time when water conservation is more critical than ever, this feature aligns perfectly with eco-conscious living. It allows me to enjoy the comfort of hot water without feeling guilty about wastefulness. Coupled with the hot-start programming, which keeps the heater in a ready state to avoid any cold-water bursts, it guarantees a seamless hot water experience.
Moreover, the Rheem RTG-95DVLP-3 comes equipped with LeakGuard Leak Detection & Prevention technology. This is a vital feature that protects my home from potential water damage. It detects any internal leaks, whether large or small, ensuring that I can address issues before they escalate into major problems. As someone who values home maintenance and safety, this aspect of the product gives me peace of mind.
In summary, the Rheem RTG-95DVLP-3 is not just a water heater; it’s an investment in comfort, efficiency, and safety. With its high performance, energy-saving features, and innovative leak protection, it’s undoubtedly worth considering for anyone in need of a reliable hot water solution. If you’re looking to upgrade your home’s water heating system, I genuinely believe this model could be the perfect choice for you. Its features cater to both your immediate needs and long-term savings.
Feature Description Continuous Hot Water Provides enough hot water for multiple applications simultaneously. Energy Efficiency Only runs when needed, reducing energy costs. Water Saving Setting Saves up to 1,100 gallons of water per year. Hot-start Programming Keeps the heater ready to avoid cold-water bursts. Leak Protection Detects and prevents internal leaks, safeguarding your home.
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4. NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

As I delve into the features of the NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, I can’t help but feel excited about the impressive capabilities this product offers. Rinnai has long been a trusted name in water heating solutions, and this model reinforces that reputation. The versatility of being installable indoors or outdoors is a significant advantage for homeowners. With the new Versa Vent technology, it makes installation easier and more convenient than ever. Whether you have natural gas or propane available in your home, the Smart Sense gas control system ensures optimal performance, making it suitable for a wide range of users.
One of the most appealing aspects of the RX199iN is its capacity to provide an impressive 11.1 gallons per minute (GPM). This means that I can run multiple fixtures simultaneously without the worry of running out of hot water—perfect for busy households or homes with high hot water demands. It’s compact, roughly the size of a small suitcase, which is a remarkable feat given its high output. This design consideration allows for flexibility in installation, even in smaller spaces where traditional tank water heaters would be cumbersome.
The smart and efficient design of the RX199iN stands out. It features an easy-to-use interface, which is vital for anyone who might feel overwhelmed by complex technology. Additionally, the Quick Flush feature simplifies maintenance, ensuring that I can keep my unit running efficiently without unnecessary hassle. With an incredibly high energy efficiency factor of UEF .98, this tankless water heater will save me money on energy bills while also being environmentally friendly. If I want to take it a step further, I can consider the Controlr module for WiFi control, allowing me to manage the water heater remotely (though it’s worth noting that this module isn’t included).
Professional installation is highly recommended for this unit, which is a wise choice considering the technicalities involved in setting up a gas appliance. Rinnai provides a user-friendly platform to find qualified technicians, ensuring that the setup is done correctly and safely. The Rinnai Central App is another convenient tool, offering guidance for setup, service, and troubleshooting, making it a great companion for any user. Even if I’m not particularly handy, I can feel confident knowing that help is just a few clicks away.
For anyone contemplating the purchase of a tankless water heater, it’s essential to consider the specific needs of your home. Rinnai offers product guides and a Ground Water Temperature Map to help determine if this heater is optimal for your region. This level of customer support is invaluable, ensuring that I make an informed decision that suits my household’s needs.
Feature Description Installation Indoor or outdoor installation with Versa Vent technology Hot Water Output Up to 11.1 GPM, suitable for multiple fixtures Design Compact, suitcase-sized for easy placement Energy Efficiency High efficiency factor of UEF .98 Smart Features Easy-to-use interface and optional WiFi control (Controlr module not included) Professional Installation Recommended for safety; find a technician via Rinnai
In conclusion, the Rinnai RX199iN tankless water heater combines cutting-edge technology with practical design and immense efficiency. For those looking to upgrade their hot water system, this product is hard to beat. With its capabilities and Rinnai’s commitment to quality, I feel confident in recommending it to anyone considering a tankless solution. Don’t miss out on the opportunity to enjoy endless hot water while saving on energy costs—investing in the RX199iN is a decision I believe you won’t regret!
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Why a Liquid Propane Outdoor Tankless Water Heater is a Game-Changer for Me
As someone who values efficiency and convenience in my daily life, I have found that a liquid propane outdoor tankless water heater has completely transformed my hot water experience. Unlike traditional water heaters, which constantly heat and store water, my tankless system provides hot water on demand. This means I never have to worry about running out of hot water during a long shower or while doing laundry. With this system, I can enjoy an uninterrupted supply of hot water, making my daily routines smoother and more enjoyable.
Additionally, the energy efficiency of a tankless water heater has been a significant benefit for me. Since it only heats water when I need it, I’ve noticed a decrease in my energy bills. The propane option is also an advantage because it burns cleaner than some other fossil fuels, which makes me feel better about my environmental impact. I appreciate that I can enjoy the comforts of hot water while also being mindful of my carbon footprint.
Installing an outdoor tankless water heater has also freed up space inside my home. Without a bulky tank taking up room, I now have more flexibility in how I use that space. Plus, the outdoor setup keeps the unit protected from indoor
Buying Guide: Liquid Propane Outdoor Tankless Water Heater
Understanding My Needs
When I decided to invest in a liquid propane outdoor tankless water heater, I first took a moment to reflect on my specific needs. I thought about how many people would be using hot water simultaneously and the types of activities I would be using the water for, like showering, washing dishes, or even outdoor activities. Understanding my hot water demand helped me narrow down my options.
Energy Efficiency Considerations
Energy efficiency was a significant factor for me. I wanted a unit that not only provided hot water on demand but also did so without skyrocketing my energy bills. I researched the energy ratings and looked for models that had a high efficiency rating, which typically translates to lower fuel consumption. I also considered the benefits of using liquid propane, which is known for being more efficient than some other fuel sources.
Size and Flow Rate
Determining the right size and flow rate was crucial. I measured the space I had available for installation and made sure the heater would fit comfortably. The flow rate, measured in gallons per minute (GPM), was also important because I wanted to ensure it could handle my peak usage times. I found it helpful to create a list of my typical hot water usage to compare against the flow rates of various models.
Installation Requirements
I learned that installation requirements vary by model. Some units require professional installation, while others are designed for DIY enthusiasts like myself. I made sure to check local codes and regulations regarding outdoor installations, including proper venting and clearances. This step saved me from potential hassles down the road.
Durability and Weather Resistance
Since I planned to install my heater outdoors, I focused on durability and weather resistance. I looked for models constructed with materials that could withstand harsh weather conditions. Stainless steel and other corrosion-resistant materials caught my attention because they promised longevity and reduced maintenance.
Safety Features
Safety features were non-negotiable for me. I wanted a unit with built-in safety mechanisms, such as flame failure protection and overheat protection. These features provided me with peace of mind, knowing that my family would be safe while using the heater.
Maintenance and Warranty
I considered the maintenance requirements of each unit. I preferred models that were easy to clean and maintain. Additionally, I looked into the warranty options available. A good warranty provided me with reassurance that the manufacturer stands behind their product.
Budget and Cost Considerations
Lastly, I set a budget. While I wanted a high-quality unit, I also needed to be mindful of my financial limits. I compared upfront costs, potential energy savings, and long-term value to ensure I was making a sound investment. I realized that sometimes spending a little more upfront could lead to savings in the long run.
Final Thoughts
Purchasing a liquid propane outdoor tankless water heater was a significant decision for me. By carefully considering my needs, energy efficiency, size, installation, durability, safety, maintenance, and budget, I was able to make an informed choice that would serve my household well for years to come. I encourage others to take the time to evaluate their own needs and do thorough research before making a purchase.
Author Profile

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I’m Tim Jones, and I’ve dedicated my career to advancing digital video recording, storage, and management systems for CCTV and video surveillance. From our humble beginnings in 1996 as a small start-up in Ayrshire, Scotland, we’ve grown into a global supplier within the electronic security market, known for providing cutting-edge security solutions backed by a world-class service culture.
Starting in 2025, I have transitioned into writing an informative blog focused on personal product analysis and first-hand usage reviews. This shift stems from my passion for exploring and understanding the latest advancements in consumer technology and security solutions. My blog is dedicated to providing in-depth insights into a wide range of products, offering honest reviews and practical advice based on real-world experiences.
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