Best 40-Gallon Gas Water Heaters Reviewed: Top 3 Picks

Are you fed up with dreading your morning showers because the water is as cold as ice? Well, let me introduce you to the ultimate home solution – the best 40-Gallon Gas Water Heaters. Efficiency, reliability, and endless streams of warmth are just a few perks that come with these top-rated gas water heaters.

I carefully selected only the best 40-Gallon Gas Water Heaters available on the market today. Several factors were taken into consideration to ensure their superior performance and suitability for various needs.

Here are the criteria that were considered during the selection process:

  1. Efficiency: The gas water heaters chosen prioritize energy efficiency, helping you save on utility bills while reducing your carbon footprint.
  2. Capacity and Recovery Rate: A 40-gallon tank size ensures an ample supply of hot water for medium to large households. The recovery rate, or how quickly the unit can heat water, is also crucial for consistent and uninterrupted hot water availability.
  3. Durability and Reliability: The selected heaters are built with high-quality materials, sturdy construction, and reliable components to ensure long-lasting performance.
  4. Safety Features: Safety is a top priority, so the chosen models include features like temperature and pressure relief valves, enhanced combustion systems, and advanced safety controls.
  5. User-Friendly Controls: Intuitive controls and user-friendly interfaces make it easy to adjust temperature settings, monitor performance, and troubleshoot any issues that may arise.
  6. Warranty and Customer Support: Reliable warranty coverage and responsive customer support giving you peace of mind and assistance if needed.

Comparison Table: Top 40-Gallon Gas Water Heaters

To assist you in making an informed decision, here is a comparison table featuring some of the top 40-gallon gas water heaters available in the market:

ModelEnergy Efficiency Rating (EF)Recovery RateDimensionsWarranty
Reliance 6-40-NOCT0.6267 gallons/hour1 x 21.13 x 61.81 inches6-year limited
Bradford White 40 Gallon0.6274 gallons/hourHeight: 51.5″, Diameter: 22″6-year
EZ Tankless Not availableCapacity Up to 3.4 GPM27 x 14.5 x 6.5 inches5-year

Top 3 Best 40-Gallon Gas Water Heaters

Best Overall
Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater, 40 gallon
Best for 2-3 People
Bradford White 40 Gallon - 40,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)
Best Tankless
EZ Ultra HE Natural Gas Indoor Condensing Tankless Water Heater - Digital Display - Whole Home
Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater, 40 gallon
Bradford White 40 Gallon - 40,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)
EZ Ultra HE Natural Gas Indoor Condensing Tankless Water Heater - Digital Display - Whole Home
Price not available
$2,065.68
Price not available
-
-
-
Best Overall
Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater, 40 gallon
Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater, 40 gallon
Price not available
-
Best for 2-3 People
Bradford White 40 Gallon - 40,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)
Bradford White 40 Gallon - 40,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)
$2,065.68
-
Best Tankless
EZ Ultra HE Natural Gas Indoor Condensing Tankless Water Heater - Digital Display - Whole Home
EZ Ultra HE Natural Gas Indoor Condensing Tankless Water Heater - Digital Display - Whole Home
Price not available
-

#1. Best Overall: Reliance Natural Gas Water Heater

Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater, 40 gallon
  • Pex polymer lined heat trap nipples
  • Aluminum anode rod
  • For installations up to 10
  • Energy Factor: 0.62
  • First Hour Rating: 67 gallons
  • Dimensions LxWxH: 1 x 21.13 x 61.81 inches

This powerful, 40-gallon Reliance Natural Gas Water Heater makes it possible to have prolonged hot showers with its 35,500 BTU rating. Maximizing your comfort level doesn’t require any extra effort especially when you need a little extra time to just relax and unwind with the hot water. Plus, it is designed as an energy-efficient option so you don’t worry about wasteful use of natural gas or increased bills.

The Reliance Water Heater features an aluminum anode rod that is designed to help prevent corrosion and reduce the amount of build-up caused by everyday use.

The flame arrestor on the Reliance Natural Gas Water Heater is approved under FVIR standards, meaning it provides reliable safety features for users.

The heater provides an impressive 62 energy factor and recovery at a 90-degree rise-gallons/hour. This is sure to save you money on your energy bills all year long. Plus, the reliable performance ensures plenty of hot water for even the busiest family home.

With a 6-year tank and parts warranty from Reliance, you can rest assured that your hot water heater is covered if anything should go wrong.

Pros

  • High quality
  • Polymer lined heat trap nipples
  • Next generation FVIR approved

Cons

  • Installation must be carried out by an expert

#2. Best For 2-3 Persons: Bradford White Residential Water Heater

Bradford White 40 Gallon - 40,000 BTU Defender Safety System Atmospheric Vent Energy Saver Residential Water Heater (Nat Gas)
  • Intended Household: 2-3 Person, Fuel Type: Natural Gas, Capacity (Gallons): 40, BTU Input: 40000, 1st Hour Delivery (Gallons): 74
  • Vent Size: 3 x 4, Venting: Atmospheric, Height (Inches): 51.5", Diameter (Inches): 22", Weight (lbs): 141 lbs
  • Energy Factor: 0.62, Energy Star Rated: No, Max Altitude (Feet): 2000, Gas Connection: 1/2", Water Connection: 3/4"
  • Recovery Efficiency: 79%, Warranty: 6-Year Limited Tank/ 6-Year Limited on Component Parts, Application: Plumbing
  • Energy Factor: 0.62
  • First Hour Rating: 74 gallons
  • Dimensions: Height (Inches): 51.5″, Diameter (Inches): 22″

Bradford White natural gas water heater provides sufficient hot water to ensure that two to three people living in a single household always have access to hot showers. This is due to the innate capability of its 40,000 BTU capacityand being able to accommodate up to 40 gallons of water. Not only will you be comfortable with reliable temperature control but also be given peace of mind knowing you won’t run out of hot water.

It provides 74 gallons of hot water in the first hour, giving you quick and convenient access to hot showers or dishes. Its 3 x 4 vent size reduces pressure buildup while providing maximum efficiency and capacity. This combination enables you to get more out of each unit by reducing recurrent costs over the long-term.

The efficient design allows for a reduced energy factor of 0.62, with recovery efficiency reaching 79 percent – saving you time, money, and energy. With a 6-year warranty on both the tank and components, you can be sure that your purchase will serve you faithfully year after year.

Pros

  • High capacity first hour delivery
  • Maintenance Free
  • 6-year warranty

Cons

  • Expensive

#3. Best Tankless: EZ Natural Gas Indoor Condensing Water Heater

  • Material: Stainless Steel, Polyvinyl Chloride
  • Maximum Flow Rate: ‎3.4 Gallons Per Minute
  • Dimensions LxWxH: 27 x 14.5 x 6.5 inches

Enjoy endless hot showers the energy-efficient way! This tankless condensing water heater eliminates the hassle and downtime associated with tank water heaters by providing an on-demand solution. The built-in digital display allows for easy monitoring of temperature ranges so you can customize your perfect shower experience.

Get fast and efficient installation, since it can be vented horizontally or vertically for greater convenience – accommodating tight spaces with minimal reconfiguration of existing piping and insulation.

It provides up to 3.4 gallons of hot water per minute at a 45-degree increase in ambient temperature—ideal for homes that need plenty of hot water, like those with multiple bathrooms.

The EZ Water Heater ensures a hassle-free heating experience, always running in fully automated mode with no need for manual intervention.

Pros

  • Convenient and compact design
  • Fully-automatic operation
  • Affordable and easy to install

Cons

  • The flow of hot water can be affected by both the temperature and volume of water used together.

Benefits of 40-Gallon Gas Water Heaters

Let’s take a closer look at some of the key benefits:

  1. Generous Hot Water Capacity: With a 40-gallon capacity, these water heaters are suitable for small to medium-sized households. They can provide ample hot water for showers, baths, laundry, and other daily tasks without running out.
  2. Fast Heating: Gas water heaters typically have faster recovery times compared to electric models. The gas burner quickly heats the water, ensuring a continuous supply of hot water even during peak usage periods.
  3. Energy Efficiency: Gas water heaters are generally more energy-efficient than their electric counterparts. They heat water faster, resulting in reduced energy consumption and lower utility bills over time.
  4. Cost-Effective: In many areas, natural gas prices are lower than electricity rates, making gas water heaters a cost-effective option in the long run. Additionally, the initial installation cost of gas water heaters is often lower compared to other alternatives.
  5. Reliability: Gas water heaters are known for their reliability and durability. With proper maintenance, these units can provide hot water for many years, giving you peace of mind and saving you from unexpected breakdowns.

Buying Guide: Features and Considerations

When selecting a 40-gallon gas water heater, it’s important to consider various features that can enhance its performance and suit your specific requirements. Here are some key factors to keep in mind:

Energy Efficiency Ratings

Look for a water heater that has a high Energy Factor (EF) rating. A higher EF rating indicates better energy efficiency and can lead to lower operating costs over time.

Recovery Rate

The recovery rate refers to the amount of water the heater can heat within a given time. A higher recovery rate ensures a quicker supply of hot water during periods of high demand, such as when multiple showers are being taken consecutively.

Size and Space Considerations

Measure the available space where you plan to install the water heater. Ensure that the unit you choose fits within the allocated space and allows for proper ventilation as per the manufacturer’s guidelines.

Warranty and Maintenance

Check the warranty provided by the manufacturer. A longer warranty period indicates the manufacturer’s confidence in the product’s quality. Additionally, consider the maintenance requirements and availability of replacement parts for the unit you are considering.

Safety Features

Look for safety features such as an automatic shut-off valve, temperature and pressure relief valves, and a sealed combustion chamber. These features help prevent accidents and ensure the safe operation of the water heater.

Brand Reputation and Customer Reviews

Research reputable brands that have a track record of producing reliable and high-quality water heaters. Read customer reviews and ratings to gauge the overall satisfaction level and performance of the models you are interested in. Pay attention to feedback regarding durability, efficiency, and customer support.

FAQs: Best 40-Gallon Gas Water Heaters

How long does it take for a 40-gallon gas water heater to recover?

The recovery time of a 40-gallon gas water heater depends on its recovery rate. Higher recovery rates, such as 42 gallons per hour indicate a faster recovery time. On average, a 40-gallon gas water heater takes approximately 30-40 minutes to recover fully after depleting the hot water supply.

Can I install a 40-gallon gas water heater myself?

While it’s technically possible to install a 40-gallon gas water heater yourself, it’s highly recommended to hire a professional plumber or water heater specialist for installation. Gas water heaters involve complex connections and safety considerations that require expertise to ensure proper installation, safe operation, and compliance with local building codes.

Are there any specific maintenance requirements for 40-gallon gas water heaters?

Regular maintenance is crucial for the optimal performance and longevity of a 40-gallon gas water heater. It is recommended to flush the tank annually to remove sediment buildup, check and replace the anode rod if necessary, and inspect the pressure relief valve. Refer to the manufacturer’s guidelines and user manual for detailed maintenance instructions specific to your model.

Can I convert a 40-gallon gas water heater from natural gas to propane?

Some 40-gallon gas water heaters are designed to be convertible between natural gas and propane. However, not all models offer this feature. If you require a propane gas water heater, ensure that the model you choose is compatible with propane conversion kits and consult a professional plumber for proper installation and conversion.

Summary

When it comes to the best 40-gallon gas water heaters, two options stand out as top contenders. For those seeking a traditional tank-style water heater, the Reliance 40-gallon natural gas water heater offers outstanding performance and reliability. With its efficient heating capabilities and durable construction, it provides ample hot water for households of varying sizes.

On the other hand, if you prefer a tankless solution, the EZ gas water heater is an excellent choice. Its compact design and on-demand heating feature make it highly efficient and space-saving, while still delivering a constant supply of hot water.

Both the Reliance 40-gallon and the EZ gas water heater offer reliable performance and meet the diverse needs of homeowners, making them the best overall and best tankless options, respectively.