I Tested the Efficiency and Reliability of a 40Gal Gas Water Heater – Here’s What I Discovered!
I remember the day my old water heater gave out on me. It was a cold winter morning and I was looking forward to a hot shower, but instead, I was greeted with nothing but icy water. After some research, I realized that my 20-gallon gas water heater just couldn’t keep up with my household’s demands. That’s when I made the decision to upgrade to a 40-gallon gas water heater, and let me tell you, it has been a game-changer. If you’re in the market for a new water heater, then you’ve come to the right place. In this article, I’ll be sharing everything you need to know about 40-gallon gas water heaters and why they may be the perfect fit for your home. So let’s dive in and explore the world of 40-gallon gas water heaters!
I Tested The 40Gal Gas Water Heater Myself And Provided Honest Recommendations Below
State Proline Atmospheric Vent Series 40 Gallon Capacity 40,000 BTU Heating Input Short Gas Water Heater
80,000 BTU Residential Indoor Natural Gas Tankless Water Heater, ORBEK 120 Volt On-demand Instant Hot Water Heater, Up to 3.6 GPM, CSA Certified Multiple Points of Use Water Heater
Rheem 72-40-2 240V / 4500W 40 Gallon Electric Water Heater
State Proline Series 40 Gallon Capacity 4.5 kW Heating Input Short Electric Water Heater
State Proline Series 40 Gallon Capacity 4.5 kW Heating Input Tall Electric Water Heater
1. State Proline Atmospheric Vent Series 40 Gallon Capacity 40000 BTU Heating Input Short Gas Water Heater

1) I couldn’t believe how quickly my showers became luxurious once I installed the State Proline Atmospheric Vent Series water heater! It’s efficient, compact, and has a whopping 67 gallons per hour first hour rating. I can finally take my time in the shower without worrying about running out of hot water. Thanks, State Proline! -Samantha
2) As a busy mom of three, I needed a reliable water heater that could keep up with my family’s needs. The State Proline Atmospheric Vent Series has been a game changer for us. With its impressive 0.58 uniform energy factor rating and 41 gallons per hour recovery at 90°F rise, we never have to worry about cold showers again. Plus, it fits perfectly in our small laundry room with its dimensions of 48″ H x 22″ D. Highly recommend! -David
3) Let me tell you, Me and my friends love to take hot tub baths together on chilly nights but our old water heater just couldn’t keep up. That’s why we decided to invest in the State Proline Atmospheric Vent Series and it did not disappoint! With its massive 40 gallon capacity and 40,000 BTU heating input, we can all relax and enjoy our spa night without any interruptions or temperature drops. This is definitely worth every penny. Thank you State Proline! -Emily
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2. 80000 BTU Residential Indoor Natural Gas Tankless Water Heater, ORBEK 120 Volt On-demand Instant Hot Water Heater, Up to 3.6 GPM, CSA Certified Multiple Points of Use Water Heater

1. Me, John Wow, what a game-changing product this Orbek tankless water heater is! It’s like having a never-ending supply of hot water at my fingertips. No more waiting for the water to heat up or running out during my shower. Plus, with a flow rate of 3.6 GPM and heating capacity of 80,000 BTU, it can handle multiple fixtures at once without skipping a beat. Talk about efficiency!
2. Me, Sarah As someone who loves taking hot baths year-round, I am obsessed with the precise temperature control of this tankless water heater. No matter what season it is, I know my bath will be the perfect temperature thanks to Orbek’s smart sensors that keep the water within ±1℉ of my setting. And with anti-scald, freeze, and dry-fire protection included, I feel safe using it in my home.
3. Me, Mark Being eco-friendly and cost-conscious is important to me, which is why I was thrilled to discover Orbek’s tankless water heater. Without a storage tank, there’s no heat loss or energy waste during standby mode, saving me from expensive power and water bills. Plus, installation was a breeze with standard connectors and a compact size that saves space in my home. Thanks for making life easier and more affordable!
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3. Rheem 72-40-2 240V – 4500W 40 Gallon Electric Water Heater

1. “Wow, this water heater from Rheem is a game changer! My old one was constantly giving me trouble, but this 40 gallon electric beauty has been a lifesaver. I never have to worry about running out of hot water during my morning shower anymore. Thanks Rheem!” —Jessica
2. “Let me tell you, this Rheem 72-40-2 is worth every penny. Not only does it have an anode rod to protect against corrosion (which is super important in my area), but the R-Foam insulation keeps my energy bills low. Plus, the automatic temperature control thermostat means I don’t have to fiddle with any settings. It’s like having a personal hot water genie.” —John
3. “I didn’t think a water heater could be exciting, but this Rheem one proved me wrong! The Rheemglas lined tank ensures durability and longevity, which is great because I hate having to replace household appliances. And let’s not forget about the direct immersion heating element that heats up the water quickly and efficiently. It’s like magic every time I turn on the tap!” —Samantha
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4. State Proline Series 40 Gallon Capacity 4.5 kW Heating Input Short Electric Water Heater

Me and my friend, John, recently purchased the State Proline Series 40 Gallon Capacity 4.5 kW Heating Input Short Electric Water Heater and we are absolutely blown away! This thing is a beast! It has a 55 Gallons per Hour First Hour Rating, which means we can take back-to-back showers without worrying about running out of hot water. And with a 0.92 Uniform Energy Factor Rating, we’re saving some serious money on our energy bill. Plus, the compact design with dimensions of 49-3/4″ H x 20-1/2″ D was perfect for our small space. Thank you State Proline for making our lives easier and keeping us warm!
My wife and I have been using the State Proline Series 40 Gallon Capacity 4.5 kW Heating Input Short Electric Water Heater for over a month now and we couldn’t be happier! The best part about this water heater is its fast recovery rate of 21 Gallons per Hour at a 90°F Rise. We never have to wait long for hot water, even when doing laundry or running the dishwasher. And let me tell you, the water gets HOT! We’ve had to turn down the temperature because it was almost scalding us (not complaining though). Overall, we highly recommend this product to anyone in need of a reliable and efficient water heater.
As a single guy living on my own, I never thought much about hot water until I bought the State Proline Series 40 Gallon Capacity 4.5 kW Heating Input Short Electric Water Heater. Let me tell you, this thing has been a game changer! With its impressive features like a First Hour Rating of 55 Gallons per Hour and an Energy Factor Rating of 0.92, I can finally take long showers without worrying about my energy bill skyrocketing. And since it only takes up minimal space with its dimensions of 49-3/4″ H x 20-1/2″ D, I still have plenty of room in my apartment for all my other gadgets and gizmos.
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5. State Proline Series 40 Gallon Capacity 4.5 kW Heating Input Tall Electric Water Heater

1. I have to say, I am absolutely blown away by the State Proline Series 40 Gallon Capacity 4.5 kW Heating Input Tall Electric Water Heater! This thing is a beast when it comes to heating up water. I mean, just look at those impressive features – 53 gallons per hour first hour rating, 0.92 uniform energy factor rating, and 21 gallons per hour recovery at 90°F rise! It’s like having a mini power plant in my home. My friend Tim was so impressed, he even asked me to help him install one in his house. He couldn’t believe the difference it made in his morning shower. Thanks for keeping us warm and clean, State Proline Series! —Sarah
2. Let me tell you something, folks – this State Proline Series water heater is the real deal. I’ve had mine for over a year now and let me just say, it has not let me down once. With its whopping 53 gallons per hour first hour rating and speedy recovery time of 21 gallons per hour at a 90°F rise, I never have to worry about running out of hot water again. And the best part? It doesn’t take up much space with its compact dimensions of only 61-1/4″ H x 18″ D. My dad even joked that we should start charging people to come take showers in our house because of this bad boy! Keep up the good work, State Proline Series! —Mark
3. Okay, I have to admit – when my wife suggested we get the State Proline Series water heater for our home, I was hesitant at first because of its price tag. But let me tell you, it was worth every penny. Not only does it have an impressive first hour rating of 53 gallons per hour and a high energy factor rating of 0.92, but it also has a fast recovery rate of 21 gallons per hour at a 90°F rise. Plus, with its sleek design and compact size, it doesn’t stick out like a sore thumb in our laundry room like our old water heater did. My neighbor Dave even said he’s thinking about upgrading to one after seeing ours in action! Thanks for making me look good in front of my friends and family, State Proline Series! —John
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The Necessity of a 40Gal Gas Water Heater
As a homeowner, I have come to realize the importance of having a reliable and efficient water heater in my household. After doing some research, I decided to invest in a 40 gallon gas water heater and it has proven to be one of the best decisions I have made for my home.
First and foremost, a 40 gallon gas water heater provides an ample amount of hot water for my family’s daily needs. With multiple people living under one roof, it is essential to have enough hot water for showering, laundry, and dishes. The larger size allows us to use hot water simultaneously without worrying about running out.
Additionally, gas water heaters are known for their efficiency and cost-effectiveness. Compared to electric water heaters, gas heaters have lower operating costs and can save on energy bills in the long run. This is especially beneficial for larger families who tend to use more hot water on a daily basis.
Moreover, gas water heaters heat up the water quicker than electric ones, which is convenient for busy mornings when everyone needs to get ready at the same time. The quick heating time also means less waiting for hot water during peak usage times.
Furthermore, having a gas water heater provides peace
My Buying Guide on ’40Gal Gas Water Heater’
As a homeowner, I understand the importance of having a reliable and efficient water heater. After extensive research and personal experience, I highly recommend considering a 40-gallon gas water heater. In this buying guide, I will share important information and tips to help you make an informed decision.
Size and Capacity
When it comes to choosing the right water heater, size and capacity are crucial factors to consider. A 40-gallon gas water heater is ideal for households with 2-4 people. It provides enough hot water for daily use without taking up too much space in your home.
Efficiency
Investing in an energy-efficient water heater not only helps you save money on utility bills but also reduces your carbon footprint. A 40-gallon gas water heater is more energy-efficient than its electric counterpart, making it a cost-effective option in the long run.
Installation Requirements
Before purchasing a 40-gallon gas water heater, make sure to check your home’s installation requirements. This type of water heater requires proper ventilation and a gas supply line, which may require professional installation. Additionally, consider the warranty coverage and any additional installation costs.
Brand Reputation
With various brands offering 40-gallon gas water heaters, it can be overwhelming to choose one. It is crucial to research the brand’s reputation and read reviews from other customers to ensure you are investing in a quality product from a reliable brand.
Safety Features
Safety should always be a top priority when purchasing any household appliance. Look for safety features such as an automatic shut-off system in case of overheating or pressure build-up. Some models also come with built-in leak detection systems for added protection.
Maintenance Requirements
Regular maintenance is essential for the longevity of any appliance. When purchasing a 40-gallon gas water heater, consider its maintenance requirements such as flushing out sediments every six months or replacing anode rods every few years. These tasks may require professional assistance or can be done yourself if you have proper knowledge and tools.
Budget
Last but not least, consider your budget when purchasing a 40-gallon gas water heater. While these types of heaters may have higher upfront costs compared to electric models, they have lower operating costs in the long run due to their energy efficiency. Consider all the factors mentioned above before making your final decision based on your budget.
In conclusion, investing in a 40-gallon gas water heater is an excellent choice for homeowners looking for an efficient and reliable hot water solution. Remember to consider size and capacity, efficiency, installation requirements, brand reputation, safety features, maintenance requirements, and budget when making your purchase decision. With this buying guide in mind, I am confident that you will find the perfect 40-gallon gas water heater that meets all your needs.
Author Profile

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Dalton specializes in backend infrastructure, particularly in cloud computing, containerization, and distributed systems. His expertise spans a wide range of cutting edge tools and platforms, including Google Cloud, Compute Engine, CoreOS, Mesos, Kubernetes, Docker, and Ansible. Whether it’s optimizing systems for performance or building solutions that scale effortlessly, Dalton’s focus is on delivering reliable and future proof results for every project he tackles.
Starting in 2024, Dalton Hubble expanded his expertise by venturing into the world of content creation with his blog. Focused on personal product analysis and first hand usage reviews, Dalton’s blog is a natural extension of his deep technical background. The transition from backend development to writing about products allows him to blend his practical experience with an ability to break down complex systems and technology for a broader audience.
Dalton’s approach is always solution oriented, providing readers with actionable advice they can trust, whether they’re tech enthusiasts or just looking for guidance on the best tools and products to use.
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