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Your Guide to the Best Water Heater Gas Tank Options

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  • Post last modified:August 26, 2023

Are you in the market for a new water heater? If so, a gas water heater tank might be the perfect solution for your home. These systems offer a range of benefits, including affordability, reliability, and fast heating capabilities. However, with so many options on the market, it can be challenging to choose the best gas water heater for your needs.

In this article, I will guide you through the process of finding the most efficient and cost-effective water heater gas tank options available in the United States. From understanding how gas tanks work to considering safety features and maintenance requirements, we will cover everything you need to know to make an informed decision.

Key Takeaways:

  • Gas water heater tanks offer a range of benefits, including affordability and reliability
  • Choosing the best gas water heater tank requires considering factors such as efficiency, installation, and cost
  • Maintenance and safety are essential for ensuring a long lifespan and protecting your household

Understanding Water Heater Gas Tanks

If you’re considering a gas tank water heater for your home, it’s important to understand how it works. A gas tank water heater, also known as a natural gas water heater or water heater tank, uses a gas burner to heat water stored in a tank until it reaches the desired temperature.

One advantage of using a gas tank water heater is that it provides hot water even during a power outage. However, it can be less energy-efficient than other types of water heaters, such as heat pump or tankless water heaters. Additionally, gas tank water heaters may require more frequent maintenance to prevent sediment buildup and ensure efficient operation.

Types of Water Heater Gas Tanks

There are several types of gas tank water heaters available, including:

Type Description
Conventional storage tank The most common type of gas tank water heater, which features a storage tank that keeps hot water ready for use
High-efficiency storage tank A newer version of the conventional storage tank that uses improved insulation and other features to reduce heat loss and increase efficiency
Condensing storage tank A type of high-efficiency storage tank that extracts more heat from the combustion process to heat water, resulting in even greater efficiency
Hybrid heat pump A gas tank water heater that uses a heat pump to transfer heat from the air to the water, resulting in high efficiency and lower operating costs

When choosing a water heater gas tank, it’s important to consider factors such as efficiency, capacity, and installation requirements. In the following sections, I will discuss these factors in greater detail to help you find the best gas tank water heater for your needs.

water heater gas tank

Efficiency Matters: Finding the Most Energy-Efficient Option

When it comes to gas water heaters, choosing the most energy-efficient option can save you money on your utility bills and reduce your carbon footprint. The efficiency of a gas water heater is measured by its energy factor (EF), which represents the ratio of hot water produced to fuel consumed.

The best gas water heaters on the market often have an EF rating of 0.67 or higher, indicating that they convert at least 67% of the fuel into usable hot water. By comparison, older models may have an EF rating of only 0.50 or less.

When shopping for a gas water heater, look for models with a high EF rating and the ENERGY STAR certification. ENERGY STAR certified models are up to 14% more efficient than standard models, which can lead to significant savings over time. Additionally, some states offer rebates or incentives for purchasing ENERGY STAR certified appliances.

Some of the best gas water heaters on the market include the Rheem Performance Platinum 50 Gal. Tall 12-Year 38,000 BTU Natural Gas Water Heater, Bradford White 50 Gallon RG240T6N Water Heater, and AO Smith Signature Premier 50-Gallon Tall 10-Year Limited 40000-BTU Natural Gas Water Heater. These models offer a combination of high efficiency, reliable performance, and positive customer reviews.

best gas water heater

Choosing an energy-efficient gas water heater can have a positive impact on both your wallet and the environment. Be sure to consider the EF rating and ENERGY STAR certification when making your selection, and consult with a professional to ensure proper installation.

Installation Considerations for Gas Tank Water Heaters

Installing a gas water heater tank requires careful consideration of several key factors to ensure efficient and safe operation. As a professional copywriting journalist, I recommend that you follow these guidelines during the installation process:


Choose a location for your gas water heater tank that offers proper ventilation and easy access for maintenance. Keep in mind that the tank should be installed away from flammable materials and in an area with ample space for air circulation.

Ventilation Requirements

Proper ventilation is critical to prevent carbon monoxide buildup and ensure safe operation. Make sure that your gas water heater tank is installed in a well-ventilated area, preferably one with both fresh air and exhaust ventilation, as per local and state regulations.

Safety Precautions

Follow all recommended safety measures during installation, including testing for gas leaks, checking the pressure relief valve, and verifying proper gas and water connections. Remember to turn off the gas and water supply before beginning your installation, and use proper protective gear.

Professional Assistance

If you’re unfamiliar with gas water heater installation or need assistance with complex installations, it’s best to seek help from a professional plumber or licensed technician. They can help you navigate the installation process and ensure your gas water heater tank is set up correctly and safely.

By following these installation considerations, you can guarantee optimal performance and a long lifespan for your gas water heater tank. Keep in mind the necessary factors and proper installation procedures to avoid any potential hazards and ensure that you have hot water on demand.

Natural Gas Water Heater

Sizing Guide: Choosing the Right Capacity for Your Needs

When choosing a gas tank water heater, it’s essential to select the appropriate size based on your household’s hot water usage. The capacity of a tank water heater is measured in gallons. A tank with a higher capacity will store more hot water, while a smaller tank will take up less space.

The ideal size for your gas water heater will depend on your family size, usage pattern, and peak demand hours. The peak demand hours are usually in the morning and evening when multiple residents need to shower or use hot water simultaneously.

As a general rule of thumb, a 40-gallon capacity tank is suitable for a household of up to four people, while a 50-gallon tank is ideal for a family of five or more. If you have a high hot water demand, such as a large bathtub or multiple showers running simultaneously, consider a 75-gallon tank or even a tankless option.

It’s also important to consider the recovery rate of your gas tank hot water heater, which determines how quickly the tank refills after use. A higher recovery rate means you’ll have more hot water available during peak demand hours.

Some recommended gas hot water heater models based on their capacity include:

Capacity Recommended Models
40 gallons Rheem Performance Platinum 40 Gal. Tall 12-Year 38,000 BTU Ultra Low NOx (ULN) Natural Gas Tank Water Heater
50 gallons A.O. Smith Signature Select 50-Gallon Tall 9-year Limited 40000-BTU Natural Gas Water Heater
75 gallons Rheem Gladiator 75 Gal. Tall 12 Year 5500/5500-Watt Smart Electric Water Heater with Leak Detection and Auto Shutoff

tank water heater

Choosing the right size gas tank water heater ensures you have enough hot water for your household’s needs without wasting energy or money. Consider your family size, usage patterns, and peak demand hours when selecting a capacity. Use the recommended models as a starting point for your search, and consult with a licensed plumber for installation guidance.

Cost Considerations: Finding Value for Your Money

When considering a gas water heater, there are several cost factors that come into play. The upfront cost of the unit, installation fees, and ongoing expenses such as gas and maintenance all need to be taken into account. However, investing in an energy-efficient model can lead to significant cost savings in the long run.

The cost of a gas water heater can vary depending on the size and features. A standard tank water heater typically costs between $300 and $600, while a high-efficiency model can cost up to $1,500. Installation fees can vary widely, but typically range from $500 to $1,500.

When it comes to ongoing costs, a natural gas water heater can be cheaper to operate than an electric model. However, the cost of gas can vary depending on your location and market conditions. It’s important to consider the long-term savings of an energy-efficient model, which can save you up to $300 per year on your energy bills.

One way to find a budget-friendly option is to look for a model with a lower first-hour rating. This rating measures how much hot water a unit can produce in the first hour of operation and can affect the price. Additionally, some manufacturers offer rebates or tax credits for purchasing energy-efficient models.

Overall, when considering the cost of a gas water heater, it’s important to factor in both the upfront and ongoing expenses. Investing in an energy-efficient model can lead to significant cost savings over time, making it a wise investment for your home and budget.

water heater gas tank

Maintenance and Longevity: Ensuring a Reliable Water Heating System

Regular maintenance is essential to keep your gas water heater running smoothly and extend its lifespan. Over time, sediment can build up inside the water heater tank, reducing its efficiency and potentially causing damage. Here are some tips to help you maintain your gas water heater:

  • Check the T&P (Temperature and Pressure) relief valve annually to make sure it is working properly.
  • Flush the tank once a year to remove any sediment buildup.
  • Inspect the anode rod every three years and replace it if necessary.
  • Check the pilot light and burner assembly for any signs of rust or corrosion.
  • Ensure proper ventilation to prevent carbon monoxide buildup, and install a carbon monoxide detector near the water heater.

If you notice any issues with your gas water heater, such as a strange odor, unusual noises, or a decrease in water temperature, it is important to address them promptly. In some cases, a professional plumber may be needed to perform repairs or replacements.

By following these maintenance tips and addressing any issues promptly, you can ensure a reliable and long-lasting gas water heating system for your home.

gas water heater maintenance

Safety Precautions for Gas Water Heaters

If you’re considering a gas water heater, safety should be your top concern. While natural gas is a convenient and efficient fuel source, it can also be dangerous if not used properly. Here are some important safety precautions to keep in mind:

  1. Proper ventilation: Gas water heaters must be properly ventilated to prevent the buildup of dangerous gases like carbon monoxide. Make sure your unit is installed in a well-ventilated area, and never block the vent or exhaust pipe.
  2. Gas leak detection: It’s important to be able to detect a gas leak in your home. Invest in a gas leak detector, which can alert you if there’s a problem. If you suspect a gas leak, leave the area immediately and call your gas company or fire department.
  3. Regular inspections: Gas water heaters should be inspected regularly to ensure they’re operating safely. Hire a qualified technician to perform an annual inspection and maintenance on your unit.
  4. Clearance: Gas water heaters need clearance around the unit to ensure safety. Make sure there is at least 6 inches of space around the sides and back, and at least 12 inches of clearance in front for servicing and access. Never store flammable materials near the unit.
  5. Pilot light: If your gas water heater has a pilot light, make sure it’s properly lit and functioning. If the flame goes out, you may be at risk for gas buildup and explosion. Follow the manufacturer’s instructions for relighting the pilot light.

By following these safety precautions, you can enjoy the benefits of a gas water heater without putting your family or home at risk.

natural gas water heater

Popular Brands and Models: Recommendations for Your Consideration

If you’re looking for a gas water heater that has proven to be reliable and efficient, here are some brands and models to consider:

Brand Model Capacity Energy Efficiency
Rheem Performance Platinum 50 gallons 0.70 EF
A.O. Smith XCG-50 ProMax 50 gallons 0.70 EF
Bradford White RG250T6N 50 gallons 0.67 EF
Whirlpool WFG505M0BS N/A N/A

Rheem Performance Platinum and A.O. Smith XCG-50 ProMax are two popular models due to their high energy efficiency rating and smart technology features that allow better control over water temperature and usage. Bradford White RG250T6N offers a 50-gallon capacity that’s ideal for a mid-sized home, while Whirlpool WFG505M0BS features a tankless design that saves space and energy.

When choosing a gas water heater, remember to consider your household’s hot water needs, budget, and safety requirements. A reliable brand and model can make a significant difference in your overall experience, from efficiency to longevity.

Gas water heater


In conclusion, choosing the right water heater gas tank is a crucial decision that can impact your daily life, energy bills, and safety. As we’ve discussed, there are various factors to consider, from efficiency and installation to sizing and cost. It’s essential to weigh your options carefully and assess your household’s needs before making a purchase.

Remember that energy efficiency should be a top priority to minimize your carbon footprint and save on electricity or gas bills. You can easily compare models’ energy ratings and opt for the most efficient option that fits your budget. Additionally, make sure to follow safety precautions when installing and using the gas water heater, such as proper ventilation and regular inspections.

There are plenty of reliable and well-reviewed brands and models to choose from, depending on your preferences and requirements. You can explore our recommendations or conduct your own research to find the perfect fit for your home.

I hope this guide has provided you with valuable insights and helped you make an informed decision. As always, consult with a professional technician if you need further assistance with installation, maintenance, or repairs.

Thank you for reading, and stay safe and warm!

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