Why I Switched to an Indoor LP Tankless Water Heater: My Expert Opinion on Efficiency and Comfort

As I stepped into my cozy home one chilly evening, the thought of a warm, relaxing shower was all I needed to shake off the day’s stresses. It was then that I truly appreciated the marvel of modern plumbing: the indoor LP tankless water heater. This ingenious device has transformed the way we think about hot water, offering an endless supply without the bulk and inefficiency of traditional tanks. With its sleek design and energy-efficient technology, it seamlessly combines comfort and sustainability, making it an essential addition to any home. Join me as I explore the fascinating world of indoor LP tankless water heaters, and discover how they can elevate your daily routine while saving you money and space.

I Personally Tested The Indoor LP Tankless Water Heater And I’m Sharing My Honest Recommendations Below

1. Rheem RTG-84DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater 8.4 GPM

When I first encountered the Rheem RTG-84DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, I was immediately drawn to its impressive features. As someone who values continuous access to hot water, I was thrilled to discover that this unit can deliver an astounding 8.4 gallons per minute (GPM). This means that even during the busiest household moments—like when I’m simultaneously running a shower, washing dishes, and doing laundry—there’s no risk of running out of hot water. This product is particularly beneficial for larger families or homes with multiple bathrooms where hot water demand can peak. The convenience and comfort it provides are truly remarkable.

One of the standout features of the Rheem RTG-84DVLP-3 is its energy efficiency. Unlike traditional water heaters that continuously heat water in a tank, this tankless model operates only when hot water is needed. This on-demand system not only reduces energy costs significantly but also helps in minimizing my carbon footprint. I can’t emphasize enough how satisfying it is to know that I’m saving money on my energy bills while also contributing positively to the environment. For anyone looking to make a smart investment in their home’s energy efficiency, this water heater is a compelling option.

Another feature that caught my attention is the water-saving setting. This innovative feature can save up to 1,100 gallons of water per year, which is a fantastic benefit for both the environment and my utility bills. The Rheem RTG-84DVLP-3 also includes hot-start programming that keeps the unit in a ready state, effectively eliminating the dreaded cold-water bursts that can ruin a shower or any hot water experience. Knowing that I can rely on this water heater for a consistent supply of hot water without wasting resources makes me feel like I’m making an informed, responsible choice.

In summary, the Rheem RTG-84DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater is an excellent choice for anyone who wants a reliable, efficient, and environmentally friendly hot water solution. The combination of continuous hot water supply, energy savings, and water conservation not only enhances my daily living experience but also supports a sustainable lifestyle. If you’re in the market for a new water heater, I wholeheartedly recommend considering this model. It might just be the upgrade you didn’t know you needed!

Feature	Description
Continuous Hot Water	Delivers 8.4 GPM, ensuring hot water for multiple applications simultaneously.
Energy Efficiency	Operates on-demand, reducing energy costs and environmental impact.
Water Savings	Saves up to 1,100 gallons of water per year with a dedicated setting.
Hot-Start Programming	Keeps the unit ready to avoid cold-water bursts.

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2. Rheem RTGH-84DVLP-3 RTGH Series 8.4 GPM Indoor Liquid Propane Tankless Water Heater

As someone who has always been on the lookout for reliable and efficient home appliances, I recently came across the Rheem RTGH-84DVLP-3 RTGH Series Indoor Liquid Propane Tankless Water Heater, and I must say, this product truly stands out in the crowded market of water heaters. With a flow rate of 0.4 to 8.4 gallons per minute (GPM), this unit is designed to meet the demands of various household sizes and water usage patterns, making it an excellent choice for families or individuals who value consistent hot water supply. The flexibility in flow rate means that whether I’m running multiple showers, filling a bathtub, or doing laundry, I can trust that the Rheem tankless water heater will provide an uninterrupted flow of hot water.

One of the standout features of the Rheem RTGH-84DVLP-3 is its adjustable temperature settings. With options ranging from 100°F to 140°F, I appreciate the ability to customize the temperature to my preferences. The default setting of 120°F strikes a perfect balance between comfort and safety, especially for households with children. This feature not only enhances user experience but also promotes energy efficiency, allowing me to save on utility bills by only heating the water to the temperature I need.

The electric ignition is another significant advantage of this water heater. Unlike traditional pilot light systems, which can be wasteful and potentially hazardous, this feature ensures that I have hot water on demand without unnecessary energy consumption. It’s a modern solution that aligns with my goal of minimizing my carbon footprint while still enjoying the comforts of home.

When it comes to reliability, Rheem has a solid reputation, and their warranty offers peace of mind. Covered under a 1-year labor warranty, 15-year heat exchanger warranty, and a 5-year parts warranty, I can feel confident knowing that I’m investing in a durable product. If any issues arise, I know that I have comprehensive support to back me up.

With a width of just 17-11/16 inches, the compact design of the Rheem RTGH-84DVLP-3 allows it to fit into various spaces, which is particularly beneficial for those of us with limited installation options. It’s a space-saving solution that doesn’t compromise on performance, which is something I always look for in home appliances.

Feature	Details
Flow Rate	0.4 – 8.4 GPM
Temperature Settings	100°F – 140°F (default 120°F)
Ignition Type	Electric Ignition
Warranties	1 year labor, 15 year heat exchanger, 5 year parts
Dimensions	17-11/16 inches wide

In conclusion, the Rheem RTGH-84DVLP-3 RTGH Series Indoor Liquid Propane Tankless Water Heater is not just a product; it’s an investment in comfort, efficiency, and reliability for my home. Its impressive features cater to my needs while providing the convenience of endless hot water. If you’re in the market for a water heating solution that is energy-efficient, user-friendly, and backed by a strong warranty, I would highly encourage you to consider this option. It might just be the upgrade your home needs, as it has certainly made a positive impact on mine!

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3. Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heaters White

When it comes to choosing a water heater, I find that efficiency and convenience are key factors to consider, and the Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heater truly shines in these areas. This product is designed as a whole home indoor solution, making it perfect for a variety of living situations, whether you’re in a small house, a cozy cabin, or a compact apartment. Its gas-powered system is not only effective but also features a remarkable flow rate of 3.6 gallons per minute (GPM), which means you won’t have to wait long for hot water when you need it most.

One of the standout features of the Eccotemp FVI12-LP is its energy-saving design. It activates only when hot water is in use, which is a game-changer for anyone looking to reduce energy consumption and save on utility bills. I appreciate how this tankless water heater allows for on-demand heating, eliminating the need for a bulky storage tank that constantly keeps water heated. This aspect not only saves energy but also contributes to a more environmentally friendly lifestyle, which is something I prioritize.

The installation process is straightforward, as this model is engineered for indoor use with a safe and efficient power ventilation system. I find it particularly appealing that it plugs into a standard 120v electrical outlet, making it accessible for most homes without the need for extensive electrical work. The Eccotemp FVI12-LP is equipped with standard 1/2″ NPT water fittings, which further simplifies the setup. This means that even if you’re not a DIY expert, you can likely install this unit with relative ease.

Another feature that I find beneficial is the easy-to-read digital temperature display. It’s compact and designed to minimize noise output, which is ideal for those of us who enjoy a peaceful home environment. The manual water temperature controls are user-friendly, allowing me to adjust the temperature to my liking without any hassle. Safety is also a priority, and the electronic ignition system adds an extra layer of security, ensuring that I can have peace of mind while using this appliance.

In terms of flow rate, the Eccotemp FVI12-LP has a minimum flow rate of 0.65 GPM, which means it can efficiently provide hot water even in low-demand situations. This flexibility makes it a reliable choice for various household needs, from showers to dishwashing. I can confidently say that this model has the potential to enhance my daily routines by providing consistent hot water whenever I need it.

In conclusion, the Eccotemp FVI12-LP Liquid Propane Gas Tankless Water Heater is an excellent investment for anyone looking to upgrade their hot water system. Its energy efficiency, user-friendly features, and compact design make it a standout choice. If you’re in the market for a reliable and cost-effective solution to your hot water needs, I highly recommend considering this model. With its impressive features and benefits, it may just be the perfect addition to your home.

Feature	Description
Type	Whole home indoor, gas-powered tankless water heater
Flow Rate	Rated at 3.6 GPM, activates on demand
Installation	Indoor installation with safe, efficient power ventilation
Temperature Control	Easy-to-read digital display with manual controls
Electrical Requirements	Plugs into standard 120v electrical outlet
Water Fittings	Uses standard 1/2″ NPT fittings
Noise Level	Minimal noise output
Safety Features	Safe electronic ignition system
Minimum Flow Rate	0.65 GPM

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4. FORIMO Tankless Water Heater Propane7.4 GPM Indoor Gas Tankless Water Heater,Constant Propane Water Heater, Quickly On Demand Tankless Water Heater Gas,Multi-Protection

I recently came across the FORIMO Tankless Water Heater Propane, and I must say, it has piqued my interest for several compelling reasons. As someone who values efficiency and convenience in home appliances, I find that this product truly stands out in the crowded market of water heaters. With a capacity of 7.4 gallons per minute (GPM), this indoor gas tankless water heater provides hot water on demand, making it a perfect solution for households that require a consistent supply of hot water without the hassle of traditional storage systems.

One of the most significant advantages of the FORIMO Tankless Water Heater is its impressive energy efficiency. Unlike conventional tank water heaters that continuously heat water, this model only heats water as needed. This on-demand feature minimizes energy waste and helps reduce utility bills, which is something I always look for when investing in home appliances. Additionally, the heater’s maximum temperature raise of 167°F means it can cater to multiple hot water demands simultaneously, making it ideal for busy households, especially during peak usage times.

Safety is another critical aspect that I appreciate about this water heater. It is equipped with a range of protective features, including a flame failure device, anti-freezing protection, and overheating protection. These features ensure that I can use the heater with peace of mind, knowing that my safety and that of my family are prioritized. The built-in leakage protection switch further enhances personal safety, making it a well-rounded choice for anyone concerned about potential hazards.

Moreover, the FORIMO Tankless Water Heater boasts high-quality materials that contribute to its durability and reliability. The stainless steel construction provides excellent temperature and corrosion resistance, ensuring that the product remains in good condition over time. The use of oxygen-free copper in the water tank is a thoughtful touch, as it ensures stable combustion and enhances the overall performance of the heater. With a powerful DC motor that operates quietly, I can enjoy hot water without the disruptive noise typically associated with water heaters.

Installation is often a concern for those considering a new water heater, but I found that the FORIMO model is designed for easy assembly and use. With standard fittings and a horizontal vent pipe included, it can be installed quickly and efficiently. I appreciate the compact design that saves valuable space in my home, making it a great choice for small apartments, cabins, or homes where space is at a premium. The product’s ability to save over 50% of space compared to tank water heaters is a significant benefit that cannot be overlooked.

In conclusion, if you are in the market for a reliable, efficient, and safe water heating solution, I strongly recommend considering the FORIMO Tankless Water Heater. Its combination of high performance, safety features, and energy efficiency makes it a worthwhile investment for any household. Not only will it meet your hot water needs, but it will also save you space and reduce energy costs in the long run. Don’t hesitate to explore this option further—I genuinely believe it could enhance your daily routine.

Feature	Details
Type	Propane Tankless Water Heater
Flow Rate	7.4 GPM
Max Temperature Raise	167°F
Power Output	170,000 BTU/hour
Safety Features	Flame failure device, anti-freezing protection, overheating protection, leakage protection switch
Material	Stainless Steel and Oxygen-free Copper
Installation	Standard 1/2″ NPT fittings, includes 2.5″ horizontal vent pipe
Applications	Home, small cabins, remote apartments

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Why an Indoor LP Tankless Water Heater is a Game-Changer for My Home

When I decided to upgrade my home’s hot water system, I was looking for efficiency and convenience. That’s when I discovered the indoor LP tankless water heater, and I couldn’t be happier with my choice. One of the standout benefits for me is the endless supply of hot water. Unlike traditional tank heaters that run out of hot water during peak usage times, my tankless system heats water on demand. This means I can take a long shower or run multiple appliances simultaneously without worrying about running out of hot water.

Another reason I appreciate my indoor LP tankless water heater is its energy efficiency. Since it only heats water when I need it, I’ve noticed a significant reduction in my energy bills. It’s reassuring to know that I’m using less energy and contributing to a more sustainable environment. Plus, the compact design of the unit saves valuable space in my home, allowing me to utilize that area for other purposes.

Installation was also a breeze compared to traditional water heaters. I was pleasantly surprised by how quickly it was set up, and the indoor model fits perfectly in my laundry room. The sleek design means I don’t have to hide it away, and the unit’s longevity

Buying Guide for Indoor LP Tankless Water Heaters

Understanding My Needs

When I first considered purchasing an indoor LP tankless water heater, I took a moment to reflect on my household’s hot water needs. I evaluated how many people live in my home, how often we use hot water, and whether I needed hot water for just a few fixtures or multiple outlets simultaneously. This self-assessment helped me set clear expectations for the unit I would ultimately choose.

Energy Efficiency Matters

One of the most appealing aspects of LP tankless water heaters is their energy efficiency. I learned that these systems only heat water on demand, which can lead to significant savings on my energy bills compared to traditional tank heaters. I looked for models that feature high Energy Factor (EF) ratings, as they indicate better efficiency and performance.

Understanding the Fuel Source

Since I was specifically interested in LP (liquid propane) models, I made sure to understand the implications of this fuel choice. I researched local availability and prices of LP gas to ensure it would be a practical option for my home. Knowing that LP gas burns hotter than natural gas also influenced my decision, as it means these heaters can deliver hot water quickly.

Flow Rate Considerations

I found that the flow rate is a critical factor when selecting a tankless water heater. This measurement indicates how much hot water the unit can deliver per minute. I took note of the specific fixtures I would use, such as showers, sinks, and appliances, to determine the flow rate I required. It was essential to choose a unit capable of meeting my peak demand needs without running out of hot water.

Size and Installation Space

Before making a purchase, I carefully measured the space where I intended to install the heater. Indoor LP tankless water heaters come in various sizes, so it was crucial to select one that would fit comfortably in my available space. I also considered whether I would need to hire a professional for installation or if I could handle it myself, which could affect my overall budget.

Safety Features

Safety is always a priority when it comes to appliances that use gas. I researched the safety features that different models offer, such as overheat protection, flame failure detection, and venting options. Knowing that these features would help prevent accidents gave me peace of mind in my buying decision.

Warranty and Customer Support

A good warranty is something I always look for when making any significant purchase. It provides an assurance of quality and reliability. I examined the warranty terms offered by various manufacturers, as well as their customer support reputation. A responsive support team can be invaluable if I encounter issues or have questions during installation or use.

Budget Considerations

Finally, I had to set a budget for my indoor LP tankless water heater. I considered not only the initial purchase price but also potential installation costs and long-term operating expenses. It was important for me to find a unit that offered a balance between quality and affordability without compromising on the features I needed.

By taking these factors into account, I felt more confident in my ability to choose the right indoor LP tankless water heater that would meet my needs and provide reliable hot water for my home.

Author Profile

Olivia Ortiz

I’m Olivia Flores Ortiz, and I run the show at Snake Hawk Press. Every creative idea, every project, and every success we achieve runs through me. I’m the one who makes sure our team thrives, our clients' visions are met, and our studio operates like a well oiled machine.

Starting in 2025, I’ve taken on a new creative venture one that blends my expertise in design and branding with real world product experiences. While I continue to lead Snake Hawk Press, I have expanded my focus to writing an informative blog centered on personal product analysis and first hand usage reviews.

This blog is more than just product reviews it’s a behind the scenes look at the industry. A resource for those who want to find the best tools for their work. And a platform to share real, experience driven insights. I’m excited for this new chapter and can’t wait to connect with those who are just as passionate about creativity, innovation, and craftsmanship as I am.

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