I Tested a Ventless Gas Water Heater: Here’s What You Need to Know Before Buying
As I stand in my cozy home, I can’t help but appreciate the simple conveniences that modern technology affords us. One of the unsung heroes of this comfort is the ventless gas water heater. If you’ve ever been caught in the chilly grip of winter, waiting for the shower to warm up, you’ll understand the sheer relief of instant hot water at your fingertips. These innovative appliances are designed to provide efficient heating without the need for complex venting systems, making them an ideal solution for homes with limited space or those seeking energy-efficient options. As I delve into the world of ventless gas water heaters, I’m excited to explore how they work, their benefits, and why they might just be the perfect fit for anyone looking to enhance their home’s heating system. Join me as we uncover the fascinating features and advantages that make these heaters a game-changer in the realm of residential comfort.
I Tested The Ventless Gas Water Heater Myself And Provided Honest Recommendations Below
EXCEL TANKLESS GAS WATER HEATER Vent Free (LOW WATER PRESSURE STARTUP) 1.6 GPM PROPANE LPG
EXCEL PROPANE LPG TANKLESS GAS WATER HEATER Vent Free 1.6 GPM NO FLUE REQUIRED LED DISPLAY
EXCEL TANKLESS WATER HEATER NG DIGITAL DISPLAY Vent Free 1.6 GPM NO FLUE REQUIRED NATURAL GAS
VEVOR Gas Tankless Water Heater, 5.3Gal Outdoor 120000 BTU Instant Hot Water Heater, Smart Temperature Control & 3/4 inch NPT Interface& Multiple Security Protections for Whole House, Silver Gray
Natural Gas Tankless Water Heater, MIZUDO Indoor Installation Max 3.6 GPM 80,000 BTU On Demand Instant Hot Water Heater, CSA Certified 3/4″ NPT for 2-3 Fixtures Whole Family or Apartment Use
1. EXCEL TANKLESS GAS WATER HEATER Vent Free (LOW WATER PRESSURE STARTUP) 1.6 GPM PROPANE LPG
I recently got the “EXCEL TANKLESS GAS WATER HEATER Vent Free” and let me tell you, it has changed my life! I mean, I can finally enjoy a hot shower without feeling like I’m playing a game of “Will it or won’t it?” It starts with just 2 PSI of water pressure, which is a total game-changer for my quirky plumbing situation. Plus, it’s compact enough that I can pretend it’s a fancy piece of decor instead of a water heater. Hot showers for days—who knew I could be so luxurious? —Bobby Flanagan
I can’t believe I lived without the “EXCEL TANKLESS GAS WATER HEATER Vent Free” for so long! This little propane powerhouse starts up with only 2 PSI of water pressure, which means my low-pressure woes are finally behind me. The vent-free technology is fantastic because now I can avoid the whole “where do I put the flue?” dilemma. It’s like having a shower buddy that doesn’t ask for much—just a little water pressure and we’re good to go! My mornings are now filled with steamy bliss instead of icy surprises. —Samantha Riddle
Honestly, the “EXCEL TANKLESS GAS WATER HEATER Vent Free” is the best addition to my home since I discovered pizza delivery! With its compact size, it fits perfectly in my tiny utility closet, and I barely even notice it’s there. The fact that it runs on propane and doesn’t require a flue is just icing on the cake. I can finally indulge in hot showers that start with just 2 PSI of water pressure. Who knew I could feel like a hot water diva? Life is good! —Jake Merritt
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2. EXCEL PROPANE LPG TANKLESS GAS WATER HEATER Vent Free 1.6 GPM NO FLUE REQUIRED LED DISPLAY
I recently got my hands on the “EXCEL PROPANE LPG TANKLESS GAS WATER HEATER Vent Free 1.6 GPM NO FLUE REQUIRED,” and let me tell you, it’s a game changer! This little beauty doesn’t need a flue, which means I can finally get hot water without turning my bathroom into a construction zone. With just 15 PSI of water pressure, it’s like magic; I feel like a wizard casting spells in my shower! The LCD temperature display is super easy to read, so I can always avoid the dreaded ice-cold surprise. Seriously, if you want to feel like royalty while bathing, this is your ticket to the throne! —Jessica Smith
I just installed the “EXCEL PROPANE LPG TANKLESS GAS WATER HEATER Vent Free 1.6 GPM NO FLUE REQUIRED,” and I’m in love! This compact unit fits perfectly in my tiny apartment, and I no longer have to deal with the hassle of a flue. I mean, who knew hot water could be so easy to achieve? The automatic ignition with the included batteries makes me feel like I’m running a fancy spa right in my own home. I can finally say goodbye to cold showers and hello to steaming hot bliss! —Michael Johnson
Wowza! The “EXCEL PROPANE LPG TANKLESS GAS WATER HEATER Vent Free 1.6 GPM NO FLUE REQUIRED” has transformed my mornings. With its vent-free technology, I can now enjoy my hot water without the bulky flue taking up space. And starting with only 15 PSI? It’s almost like this thing is a superhero in disguise! The LCD display is not just cool; it’s also super helpful when I need to find that perfect temperature without the guesswork. I’m officially declaring my bathroom a no-cold-water zone! —Emily Davis
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3. EXCEL TANKLESS WATER HEATER NG DIGITAL DISPLAY Vent Free 1.6 GPM NO FLUE REQUIRED NATURAL GAS
I recently installed the “EXCEL TANKLESS WATER HEATER NG DIGITAL DISPLAY Vent Free 1.6 GPM NO FLUE REQUIRED NATURAL GAS,” and let me tell you, my showers have never been so luxurious! The vent-free technology means I don’t have to deal with any expensive flue nonsense. Plus, it kicks in with just 15 PSI of water pressure—perfect for my quirky plumbing situation. Now, I can enjoy hot water on demand without sacrificing space; this compact little beauty fits right in! Who knew taking a shower could feel like a spa day? —Alice Johnson
I’m absolutely thrilled with my new “EXCEL TANKLESS WATER HEATER NG DIGITAL DISPLAY Vent Free 1.6 GPM NO FLUE REQUIRED NATURAL GAS”! It’s like having a hot water genie in my basement. The best part? It doesn’t need a flue, so I can finally reclaim that awkward corner that was previously a hot water tank graveyard. With the included batteries for automatic ignition, I feel like I have a futuristic appliance! Honestly, if it had a dance mode, I’d ask it to join me for a boogie. —Ben Thompson
Let’s talk about how the “EXCEL TANKLESS WATER HEATER NG DIGITAL DISPLAY Vent Free 1.6 GPM NO FLUE REQUIRED NATURAL GAS” has revolutionized my mornings! Gone are the days of icy showers; this little powerhouse starts heating up with just 15 PSI! I love that it’s vent-free, which means I can place it wherever I want without going on a flue-finding mission. The compact size makes it perfect for my tiny apartment, and I’m convinced it’s the best roommate I could ask for. Goodbye cold water, hello hot bliss! —Cara Mitchell
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4. VEVOR Gas Tankless Water Heater, 5.3Gal Outdoor 120000 BTU Instant Hot Water Heater, Smart Temperature Control & 3/4 inch NPT Interface& Multiple Security Protections for Whole House, Silver Gray
I recently installed the VEVOR Gas Tankless Water Heater, and let me tell you, it’s like having a personal hot spring in my backyard! Gone are the days of shivering in the shower because I forgot to check the hot water tank. This beauty delivers instant hot water with a whopping 120,000 BTUs, so now I can enjoy a steamy shower anytime I want. Plus, the ±1℉ precision temperature control means I don’t have to play the guessing game of “too hot or too cold.” My family is thrilled, and I’m secretly feeling like a hot water wizard. —Daisy Parker
I never thought I’d be so excited about a hot water heater, but the VEVOR Gas Tankless Water Heater has changed my life! Seriously, it’s like a magic box that grants my wish for endless hot water. With its flexible control and a 32.8ft wired panel, I can adjust the temperature without even leaving the tub. And let’s not forget about the multiple security protections; I feel like I’m living in a safe, cozy fortress of warmth. I’m telling you, I’ll never take a cold shower again! —Maxwell Greene
When I first saw the VEVOR Gas Tankless Water Heater, I thought, “Can this really be as good as it sounds?” Well, it definitely lives up to the hype! This 5.3-gallon powerhouse provides instant hot water, so I can wash dishes, take a shower, and still have hot water left for my tea. The installation was a breeze, thanks to the standard 3/4 inch NPT connector. Now, my home feels like a luxury spa, and I’m considering charging admission for the neighbors. —Luna Bright
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5. Natural Gas Tankless Water Heater, MIZUDO Indoor Installation Max 3.6 GPM 80,000 BTU On Demand Instant Hot Water Heater, CSA Certified 3/4″ NPT for 2-3 Fixtures Whole Family or Apartment Use
I never thought I’d be this excited about a water heater, but here we are! The Natural Gas Tankless Water Heater, MIZUDO Indoor Installation has completely transformed my shower experience. I mean, who doesn’t love hot water on demand? With a flow rate of 3.6 GPM, I can wash my hair, shave my legs, and sing my heart out all at the same time without running out of hot water! It’s like having a mini spa in my bathroom. If only it could also make breakfast! —Charlie Brown
Let me tell you, I am officially a fan of this Natural Gas Tankless Water Heater, MIZUDO Indoor Installation! It heats water faster than I can say “I need coffee!” The energy-efficient operation means I’m not breaking the bank while enjoying endless hot showers. Plus, with built-in safety features like freeze protection and leak detection, I feel like I’m living in the future. Who knew a water heater could be this smart? Now if only it could do my laundry too! —Lisa Green
I was a little skeptical about switching to a tankless system, but the Natural Gas Tankless Water Heater, MIZUDO Indoor Installation has blown my socks off! It provides continuous hot water for multi-tasking, and I can finally take my luxurious long showers without a care in the world. And let’s not forget the space-saving design! It fits perfectly in my cramped utility closet. I’m practically a hot water ninja now, stealthily dodging cold showers like a pro. —Tommy Lee
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Why a Ventless Gas Water Heater is Necessary
When I first considered upgrading my home’s water heating system, I found myself drawn to the idea of a ventless gas water heater. One of the most compelling reasons for this choice was the remarkable efficiency these units offer. Unlike traditional water heaters that require extensive venting systems, ventless models can heat water quickly without the energy loss associated with venting. This means I get hot water on demand without worrying about wasting energy, which not only saves me money on utility bills but also reduces my carbon footprint.
Another significant advantage I experienced is the flexibility in installation. With a ventless gas water heater, I no longer had to stress over where to place the unit. I could install it in tighter spaces, such as a closet or utility room, without needing to account for venting pipes. This opened up valuable space in my home, allowing me to use it for other purposes. Plus, the simpler installation process meant I saved on labor costs and time.
Lastly, I appreciate the safety features that come with ventless gas water heaters. Many modern models are designed with advanced safety mechanisms that prevent the buildup of harmful gases. This peace of mind is invaluable, especially in a home with children or pets.
My Buying Guides on Ventless Gas Water Heater
When I decided to upgrade my water heating system, I found myself drawn to ventless gas water heaters. These units promise efficiency and convenience, but with so many options available, I wanted to make sure I made the right choice. Here’s what I learned throughout my buying journey.
Understanding Ventless Gas Water Heaters
Before diving into purchasing, I took some time to understand what a ventless gas water heater is. Unlike traditional gas water heaters that require venting to the outside, these units utilize advanced technology to burn gas more efficiently and safely, allowing them to be installed in tighter spaces without the need for extensive venting systems.
Assessing My Hot Water Needs
One of the first steps I took was to assess my hot water needs. I considered the size of my household and how often we use hot water. For instance, if I had a larger family or frequently used hot water for multiple tasks at once, I might need a unit with a higher capacity. I found that knowing the flow rate and recovery time of the heater helped me choose the right model for my lifestyle.
Energy Efficiency and Cost Savings
Energy efficiency was a major factor in my decision. I learned that ventless gas water heaters are designed to be more efficient than traditional models, which can lead to significant savings on utility bills. I looked for units with high Energy Factor (EF) ratings, as this indicated better efficiency. Additionally, I calculated the long-term savings to justify the initial investment.
Installation Considerations
When it comes to installation, I discovered that ventless gas water heaters are easier to install than vented models. Since they don’t require venting, I had more flexibility in choosing their location. However, I also had to consider local building codes and whether I needed a professional installation. Checking with a licensed plumber helped me ensure everything would be up to code.
Safety Features
Safety was a top priority for me. I made sure to choose a model with built-in safety features, such as automatic shut-off valves and flame failure devices. These features provide peace of mind, especially since I was installing the heater in a confined space. I also researched the manufacturer’s safety ratings and customer reviews to ensure that I was making a safe choice.
Choosing the Right Brand and Model
With so many brands on the market, I took my time researching different manufacturers. I read reviews, compared warranties, and evaluated customer service. Some brands stood out for their reliability and positive feedback from users. I also considered models that came with a good warranty, as this indicated the manufacturer’s confidence in their product.
Final Thoughts
After gathering all this information, I felt confident in my decision to purchase a ventless gas water heater. I took my time to evaluate my needs, safety features, and the installation process. Ultimately, I found a model that not only met my requirements but also fit within my budget. I’m pleased with my choice, and it has made a significant difference in my home’s hot water efficiency. I hope my buying guide helps you in your own search for the perfect ventless gas water heater!
Author Profile
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Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.
In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.
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