Best 40 Gallon Gas Water Heaters in 2024

Dive into superior home comfort with our guide to the ‘Best 40-gallon Gallon Gas Water Heaters.’ Unveil a world of efficient and reliable hot water solutions that cater to your household needs. From powerful performance to space-saving design, discover the perfect balance of capacity and convenience for an upgraded daily routine.

Bradford White 40 Gallon Natural Gas Water Heater

Bradford White 40 Gallon Natural Gas Water Heater

Experience unparalleled hot water efficiency with the Bradford White 40-gallon natural gas water heater. Standing at 20 inches wide and 60.5 inches tall, this indoor installation powerhouse combines a sleek design in green and white hues.

Powered by the Bradford White ICON System, this water heater boasts an innovative flame arrestor design with advanced ScreenLok technology. The resettable thermal switch ensures safety, and the factory-installed Hydrojet Total Performance System guarantees maintenance-free operation. Crafted from durable metal and copper materials, it weighs in at 134 pounds.

With a generous 40-gallon capacity, this water heater is your go-to solution for a reliable and consistent hot water supply. By harnessing wind power as its energy source, it not only delivers exceptional performance but also contributes to a sustainable and eco-friendly home. The RG40T6N model from Bradford White is your key to enjoying a seamless hot water experience with cutting-edge technology and robust construction. Upgrade your home’s water heating system with this high-performing, efficient, and durable natural gas water heater.


Pros:

  • Bradford White ICON System for advanced performance
  • Flame Arrestor Design with Advanced ScreenLok Technology
  • Resettable Thermal Switch for enhanced safety
  • Factory-Installed Hydrojet Total Performance System
  • Durable metal and copper construction
  • 40-gallon capacity for ample hot water supply
  • Wind-powered for eco-friendly operation

Cons:

  • Indoor installation only
  • Weighs 134 pounds and may require additional support during installation

A.O. Smith ENS-40 ProMax Short Electric Water Heater

A.O. Smith ENS-40 ProMax Short Electric Water Heater

Elevate your home’s hot water experience with the A.O. Smith ENS-40 ProMax Short Electric Water Heater. This 40-gallon powerhouse in sleek gray boasts potent 4500-watt performance, operating at a reliable 240 volts. Crafted with precision from durable materials like aluminum, stainless steel, and brass, it ensures longevity and robust functionality.

Featuring a Permaglas glass coating, this water heater stands guard against corrosion, maximizing the tank’s lifespan. The Dynaclean diffuser dip tube, made from enduring PEX cross-linked polymer, efficiently reduces lime and sediment buildup while optimizing hot water output.

The CoreGard anode rod, an aluminum powerhouse with a stainless steel core, provides superior protection against corrosion compared to ordinary steel anodes. Its tamper-resistant brass drain valve adds a layer of durability, promising reliable performance throughout.

Designed for indoor installation, this water heater from Trumbull Industries meets all current regulations outlined by the National Appliance Energy Conservation Act (NAECA). With a footprint of 22 x 22 x 50 inches and a weight of 124 pounds, this unit seamlessly integrates into your home, ensuring a consistent and efficient hot water supply. Upgrade to the A.O. Smith ENS-40 for a reliable, corrosion-resistant, and long-lasting solution to your hot water needs.


Pros:

  • 40-gallon capacity for ample hot water supply
  • Permaglas glass coating protects against corrosion, maximizing tank life
  • Dynaclean diffuser dip tube minimizes lime and sediment buildup
  • CoreGard anode rod with stainless steel core enhances corrosion resistance
  • Durable tamper-resistant brass drain valve
  • Meets NAECA regulations for energy efficiency

Cons:

  • 240 volts may require professional electrical setup
  • Weighs 124 pounds, may need assistance during installation

Noritz EZTR40 Natural Gas 40-Gallon Tankless Water Heater

Noritz EZTR40 Natural Gas 40-Gallon Tankless Water Heater

Meet the Noritz EZTR40 Natural Gas 40-Gallon Tankless Water Heater—your gateway to efficient, on-demand hot water. Weighing in at 54.9 pounds and standing at 18.3 inches x 9.4 inches x 27.2 inches, this retro-styled powerhouse is a game-changer for your home.

The ‘EZTR40’ lives up to its name with an easy replacement process, seamlessly fitting into your space in the time it takes to install a traditional tank-type water heater. Boasting a maximum flow rate of 6.6 gallons per minute, this unit ensures a steady and ample supply of hot water whenever you need it.

Powered by natural gas and equipped with a 6-foot attached power cord for added convenience, the EZTR40 is not just a water heater; it’s an energy-efficient solution. With a remarkable 0.91 energy factor and gas consumption ranging from 15,000 BTUh to 120,000 BTUh, it delivers both performance and eco-friendliness.

Installation is a breeze with the included N-FlexKit, designed for easy integration into existing water heater venting. Say goodbye to waiting for hot water and hello to a sleek, reliable, and energy-conscious choice for your home—the Noritz EZTR40. Upgrade to efficiency; upgrade to comfort.


Pros:

  • Easy replacement process (EZTR40)
  • Quick installation is comparable to tank-type heaters
  • 6.6 Gallons Per Minute flow rate for consistent hot water
  • Retro-styled design adds a touch of flair
  • Energy-efficient with a 0.91 energy factor
  • Wide gas consumption range: 15,000 to 120,000 BTUh
  • Convenient 6-foot-attached power cord
  • N-FlexKit included for seamless venting integration

Cons:

  • Requires natural gas as a power source
  • Initial investment may be higher than traditional water heaters

Rheem PROG40-38N RH59 Natural Gas Water Heater

Rheem PROG40-38N RH59 Natural Gas Water Heater


Elevate your home’s water heating experience with the Rheem PROG40-38N RH59 Natural Gas Water Heater. Crafted with a classic design and a 40-gallon capacity, this innovative unit brings unmatched efficiency to your daily life. Powered by wind, its eco-friendly burner boasts low emissions, meeting stringent 40 ng/J Knox requirements.

Rheem’s exclusive R-Tech (registered) anode rod ensures long-lasting tank protection, offering durability you can rely on. Lighting up effortlessly without the need for matches, the EverKleen patented system combats sediment build-up, keeping your water heater in prime condition. The enhanced-flow brass drain valve, Low Lead Compliant, ensures optimal performance.

Constructed with high-quality brass material, this water heater is both reliable and environmentally conscious. With a product dimension of 20 x 20 x 50 inches and a mere 0.01 ounces in weight, this model seamlessly replaces the old 22V40F1, upgrading your home with cutting-edge technology. Trust in Rheem’s legacy of excellence as you enjoy the convenience and eco-friendly features of the PROG40-38N RH59. Welcome to a new era of water heating in your home.

Pros:

  • Eco-friendly burner with low emissions
  • Rheem exclusive R-Tech anode rod for extended tank protection
  • Effortless ignition with EverKleen patented system
  • Enhanced-flow brass drain valve for optimal performance
  • Wind-powered for sustainable energy use

Cons:

  • None

Bosch Electric Mini-Tank Water Heater

Bosch Electric Mini-Tank Water Heater

Compact yet powerful, the Bosch Electric Mini-Tank Water Heater delivers instant hot water wherever you need it. With a sleek white design and lightweight construction, this 4-gallon point-of-use mini-tank conveniently fits under your sink, eliminating the wait for hot water. Boasting a thermal efficiency of 98%, this water heater ensures rapid hot water delivery to meet your every need.

Crafted with premium glass-lined material, this electric water heater is not only easy to maintain but also guarantees a long service life. The 1440-watt power, operating at 120 volts, provides a fast recovery rate, supplying hot water to up to two sinks simultaneously. The independent installation with a 36-37″ cord allows flexibility, easily plugging into a 120-volt outlet or seamlessly integrating with a larger hot water source.

Whether mounted on a shelf, wall, or floor (bracket included), this Bosch water heater offers versatile installation options. Tap directly into the cold water line and experience the convenience of on-demand hot water. Say goodbye to long waits and elevate your daily routines with the efficiency and reliability of the Bosch Electric Mini-Tank Water Heater.


Pros:

  • Compact 4-gallon size for point-of-use convenience
  • Rapid hot water delivery with a 98% thermal efficiency
  • Premium glass-lined material ensures long-lasting durability
  • Fast recovery rate supplies hot water to up to two sinks simultaneously
  • Lightweight design for easy installation and versatility

Cons:

  • Limited capacity is suitable for point-of-use applications
  • Operates on 120 volts and may require a dedicated outlet
  • Not suitable for high-demand or whole-house water heating
  • Maximum operating pressure capped at 150 PSI

Buying Guide for the Best 40-Gallon Gas Water Heaters

When it comes to ensuring a steady supply of hot water for your household, a 40-gallon gas water heater is often an excellent choice for many homeowners. This size typically suits medium-sized households, providing ample hot water for daily activities such as showers, laundry, and dishwashing. Gas water heaters are known for their efficiency and quick recovery times, making them a popular option. This comprehensive guide will walk you through the essential factors to consider when selecting the best 40-gallon gas water heater for your home, helping you make an informed decision that balances performance, efficiency, and cost-effectiveness.

Understanding Gas Water Heater Basics

Before delving into the specifics of choosing a 40-gallon gas water heater, it’s important to understand the basic components and functioning of these appliances. Gas water heaters use natural gas or propane to heat water stored in an insulated tank. The heating process begins when cold water enters the tank through the dip tube. A gas burner located at the bottom of the tank heats the water, which then rises to the top of the tank due to convection. As hot water is used, it’s drawn from the top of the tank through the hot water outlet, while cold water simultaneously enters the bottom to be heated. This continuous process ensures a steady supply of hot water for your household needs.

Key Factors to Consider

Energy Efficiency

Energy efficiency is a crucial factor to consider when selecting a 40-gallon gas water heater. Look for models with high Energy Factor (EF) ratings, which indicate the overall efficiency of the unit. The EF rating takes into account the amount of hot water produced per unit of fuel consumed over a typical day. Higher EF ratings translate to lower operating costs and reduced environmental impact. Additionally, consider models that are ENERGY STAR certified, as these meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency and the Department of Energy.

Recovery Rate

The recovery rate refers to how quickly a water heater can heat a full tank of cold water to the desired temperature. For a 40-gallon gas water heater, a higher recovery rate means you’ll have hot water available more quickly after the tank has been depleted. This is particularly important for households with higher hot water demands. When comparing models, look for the First Hour Rating (FHR), which indicates how many gallons of hot water the heater can supply per hour when starting with a full tank of hot water. A higher FHR suggests a faster recovery rate and better overall performance.

Venting Options

Gas water heaters require proper venting to safely remove combustion gases from your home. There are two main types of venting systems to consider: atmospheric venting and power venting. Atmospheric venting relies on natural convection to expel gases through a chimney or flue. This type is generally less expensive but may be less efficient. Power venting uses an electric fan to force gases out through a side wall or roof. While more costly upfront, power-vented models are often more efficient and offer more flexible installation options. Consider your home’s layout and existing venting infrastructure when choosing between these options.

Safety Features

Safety should be a top priority when selecting any appliance, especially one that involves combustion. Look for gas water heaters equipped with advanced safety features such as automatic shut-off valves that activate in case of gas leak detection or overheating. Some models also include flame arrestor technology, which prevents flammable vapors outside the tank from igniting. Additionally, consider units with temperature and pressure relief valves, which help prevent dangerous pressure build-up within the tank.

Warranty and Durability

The warranty offered with a gas water heater can be indicative of its expected lifespan and the manufacturer’s confidence in their product. Look for models that come with comprehensive warranties covering both parts and labor. Typically, longer warranty periods suggest better build quality and durability. Pay attention to the tank warranty in particular, as replacing a failed tank can be a significant expense. Some manufacturers offer extended warranties on the tank, which can provide added peace of mind.

Installation and Maintenance Requirements

Consider the ease of installation and ongoing maintenance requirements when choosing your 40-gallon gas water heater. Some models are designed for easier installation, which can reduce labor costs if you’re hiring a professional. Look for features like accessible control panels and easy-to-replace parts, which can simplify maintenance and potential repairs. Additionally, consider models with self-cleaning systems or those designed to reduce sediment build-up, as these can help extend the life of your water heater and maintain its efficiency over time.

Smart Technology Integration

As home automation becomes increasingly popular, some gas water heaters now offer smart technology features. These can include Wi-Fi connectivity, allowing you to monitor and control your water heater remotely via a smartphone app. Smart water heaters may offer features like vacation mode settings, usage tracking, and maintenance alerts. While these features may come at a premium, they can provide added convenience and potentially help optimize your water heater’s performance and efficiency.

Conclusion

Choosing the best 40-gallon gas water heater for your home involves carefully considering various factors, including energy efficiency, recovery rate, venting options, safety features, warranty, installation and maintenance requirements, and potential smart technology integration. By thoroughly evaluating these aspects, you can select a water heater that not only meets your household’s hot water needs but also offers long-term reliability and cost-effectiveness. Remember to consult with a professional plumber or HVAC specialist to ensure proper sizing and installation of your chosen water heater. With the right 40-gallon gas water heater, you can enjoy consistent hot water supply, improved energy efficiency, and peace of mind for years to come.