15 Best Gas Water Heaters of 2021 (15 Gallon Capacity Models)

Are you looking for the best 15 gallon gas water heater on the market? With so many options available, it can be overwhelming trying to decide which one is the right fit for your homes needs. Whether youre looking for a reliable, affordable option or something with more bells and whistles, weve got you covered. In this article, we will explore the features and benefits of the best 15 gallon gas water heaters to help you make an informed decision. We will also discuss some of the common questions people have about these heaters so that you can feel confident in your purchase. So buckle in, and let’s get started on finding the perfect 15 gallon gas water heater for your home!

Why Best 15 Gallon Gas Water Heater Is Necessary?

The Best 15 Gallon Gas Water Heater is necessary to meet the needs of many households and businesses who require hot water on demand. This type of water heater can provide a large amount of hot water in a short period of time, making it ideal for larger families or businesses that need a reliable source of hot water. This type of heater is also incredibly efficient, using less energy than traditional tank-style heaters while providing more hot water on demand. Additionally, these types of heaters are less prone to breakdowns and require less maintenance than other types of heaters. All in all, the Best 15 Gallon Gas Water Heater is an ideal choice for those who need a reliable source of hot water on demand.

Comperision Chart for Best 15 Gallon Gas Water Heater

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

Natural Gas Tankless Water Heater, FOGATTI Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series

PRODUCT NAME

Natural Gas Tankless Water Heater, FOGATTI Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series

10
PRODUCT IMAGE
2

Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation

PRODUCT NAME

Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation

8
PRODUCT IMAGE
3

Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation

PRODUCT NAME

Rinnai V53DeN Natural Gas Tankless Hot Water Heater, 5.3 GPM, Outdoor Installation

10
PRODUCT IMAGE
4

Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM

PRODUCT NAME

Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM

9
PRODUCT IMAGE
5

Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater, 40 gallon

PRODUCT NAME

Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater, 40 gallon

10

Natural Gas Tankless Water Heater FOGATTI Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series

 Natural Gas Tankless Water Heater FOGATTI Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater, InstaGas Comfort 170 Series

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The FOGATTI Indoor 7.5 GPM, 170,000 BTU White Instant Hot Water Heater is a great choice for households looking for an eco-friendly, efficient and reliable water heater. This tankless design means that you don’t have to wait a half hour for the water to heat up and that you can enjoy unlimited hot water. With its 170,000 BTU high heating capacity and maximum 7.5 GPM, it is suitable for 3-4 outlet points and can easily meet the needs of an entire family. It has achieved an excellent UEF rating of 0.81, which means that it has a high energy conversion rate and doesn’t waste energy. Furthermore, this product is CSA certified in both the United States and Canada, so you can be sure that it has been tested for safety and durability. It’s also equipped with a built-in forced exhaust fan at the bottom to ensure stable combustion and eliminate any external wind influence. Plus, its compact design makes it easy to install in your home or business.

Why We Like This
Tankless design means no need to preheat
High energy efficiency with UEF of 0.81
CSA certified in US & Canada
Built-in forced exhaust fan eliminates external wind influence
Compact design allows easy installation

Common Questions & Answers
Q: Is this product safe?
A: Yes! This product is CSA certified in both the United States and Canada, so you can be sure that it has been tested for safety and durability. Additionally, this product is equipped with a built-in forced exhaust fan at the bottom to ensure stable combustion and eliminate any external wind influence.
Q: Is this product energy efficient?
A: Yes! This product has achieved an excellent UEF rating of 0.81, which means that it has a high energy conversion rate and doesn’t waste energy.
Q: How many outlets can this product support?
A: This product was designed with 3-4 outlet points in mind so it can easily meet the needs of an entire family without any issue!

Additional Product Information

Height 7.3
Length 26.2
Weight 40
Width 17.1
Size 170,000 BTU, Maximum 7.5 GPM

Rinnai RU199iN Condensing Tankless Hot Water Heater 11 GPM, Natural Gas, Indoor Installation

 Rinnai RU199iN Condensing Tankless Hot Water Heater 11 GPM, Natural Gas, Indoor Installation

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For those looking for an efficient, powerful and space saving hot water heater solution, look no further than the Rinnai RU199iN Condensing Tankless Hot Water Heater. This indoor installation heater is designed to provide a constant stream of hot water, up to 11 GPM. It also features Circ-Logic technology that allows you to pair it with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation. And the best part? Its guaranteed to last with 15-, 5-, and 1-year residential warranties for heat exchanger, labor, and parts respectively.

Why We Like This
Endless Hot Water: Enjoy unlimited hot water flow throughout the house; compact, durable, and easy to install; professional installation recommended.
Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary.
Optimal Water Pressure: Up to 11 GPM hot water flow rate for a powerful, constant stream.
Instant Heating: Equipped with Circ-Logic – Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation.
Guaranteed To Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts respectively. Wifi monitoring available.

Common Questions & Answers
Q1: Is professional installation recommended?
A1: Yes, professional installation is recommended for optimal performance of the Rinnai RU199iN Condensing Tankless Hot Water Heater.
Q2: Does this product come with a warranty?
A2: Yes, it comes with a 15-, 5-, and 1-year residential warranties for heat exchanger, labor, and parts respectively.
Q3: Can I monitor the performance of this product remotely?
A3: Yes, you can monitor the performance of this product remotely through wifi monitoring technology.

Additional Product Information

Height 33.86
Length 22.05
Weight 74.1
Width 14.76
Size 11 GPM

Rinnai V53DeN Natural Gas Tankless Hot Water Heater 5.3 GPM, Outdoor Installation

 Rinnai V53DeN Natural Gas Tankless Hot Water Heater 5.3 GPM, Outdoor Installation

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:
Say goodbye to cold showers with the Rinnai V53DeN Natural Gas Tankless Hot Water Heater. This compact and durable unit is easy to install and will provide an endless supply of hot water throughout your home. Boasting a high-performance rate of up to 5.3 GPM, this unit delivers a powerful, constant stream of hot water that is sure to keep your family happy. It also features enhanced scale detection for lessening the possibility of serious, long-term damage to the unit, plus a 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts respectively. Lets take a closer look at why we think this hot water heater is worth considering.

Why We Like This:
Endless Hot Water: Enjoy unlimited hot water throughout the house with this efficient gas tankless heater. Plus, it’s compact design makes installation quick and easy.
Energy & Space Efficient: Conserve energy while still enjoying an endless supply of hot water with this space-saving design that only heats when necessary.
Optimal Water Pressure: With up to 5.3 GPM in hot water flow rate you can enjoy a powerful steady stream of hot water whenever you need it.
Enhanced Scale Detection: The enhanced scale detection feature helps lessen the possibility of any long-term damage being done to your unit over time.
Guaranteed To Last: Reassurance comes in the form of Rinnais 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts respectively.

Common Questions & Answers:
Q1: Does this gas tankless heater require professional installation?
A1: Although it is possible for some people to install this product themselves, professional installation is highly recommended in order to ensure proper setup and function of the system as well as safety guidelines being followed correctly during installation process.
Q2: What type of warranty does the Rinnai V53DeN come with?
A2: The Rinnai V53DeN comes with a 10-, 5-, and 1-year residential factory warranty for heat exchanger, labor, and parts respectively.
Q3: How much hot water flow rate can I expect from this model?
A3: The Rinnai V53DeN provides up to 5.3 GPM in hot water flow rate for an optimal experience each time you turn on your faucet or showerhead!

Additional Product Information

Height 21.8
Length 7.9
Weight 33
Width 14
Size 5.3 GPM

Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater Indoor Installation, Up to 9.8 GPM

 Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater Indoor Installation, Up to 9.8 GPM

Check Price on Amazon

: Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor Installation, Up to 9.8 GPM

The Rinnai RL94iN Non-Condensing Natural Gas Tankless Water Heater is a great choice for those looking for an efficient and reliable hot water solution. This model features Circ-Logic technology, which offers recirculation patterns that match your habits. With up to 9.8 GPM, you can run up to 6 fixtures at the same time without running out of hot water. It’s also incredibly compactonly the size of a small suitcaseso it fits in tight spaces. Plus, it comes with a 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts respectively. Professional installation is recommended for this model; visit the Find a Rinnai PRO page on their website to locate a qualified technician in your area to install your tankless water heater.

Why We Like This:
Original Design: Tankless hot water heater’s Circ-Logic technology offers recirculation patterns that match your habits
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 9.8 GPM (6 fixtures at once)
Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts respectively
Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater
Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

Common Questions & Answers:
Q1 – How big is this tankless gas water heater?
A1 – It’s only the size of a small suitcase; perfect for tight spaces!
Q2 – Is professional installation recommended?
A2 – Yes! Visit the Find a Rinnai PRO page on their website to locate a qualified technician in your area.
Q3 – Does it have any warranty?
A3 – Yes! There’s 12-, 5-, and 1-year residential guarantee plus 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts respectively.

Additional Product Information

Height 31
Length 17.5
Weight 54.78
Width 13
Size 9.8 GPM

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

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The Reliance 6-40-NOCT 400 35500 BTU Tall Natural Gas Water Heater is a 40 gallon heater that is ideal for any home or business. With its Pex polymer lined heat trap nipples, Aluminum anode rod and ability to handle installation up to 10 feet, this water heater is designed with the user in mind. Its efficient design allows it to quickly heat up water while using less energy than other traditional models of water heaters. In addition to its efficient design, it also has a sleek and modern look that will blend in with almost any decor.

Why We Like This
Its Pex polymer lined heat trap nipples help conserve energy while heating up the water quickly
Its Aluminum anode rod helps protect against corrosion
It can handle installations up to 10 feet, making it ideal for many different spaces
Its sleek and modern look will blend in with almost any decor
It uses less energy than other traditional models of water heaters

Common Questions & Answers
Q: Does this product come with a warranty?
A: Yes, this product comes with a 3 year limited warranty.

Q: Is this product suitable for indoor use?
A: Yes, this product is suitable for both indoor and outdoor use.

Q: What size is the tank of this water heater?
A: The tank of this water heater is 40 gallons.

Additional Product Information

Height 61.81
Length 1
Weight 150
Width 21.13
Size 40 Gallon

Benefits of Best 15 Gallon Gas Water Heater

1. Energy Efficient: The Best 15 Gallon Gas Water Heater is designed to provide maximum energy efficiency and hot water on demand. This helps to reduce energy costs and save money in the long run.

2. Easy Installation: This water heater is easy to install and requires minimal maintenance. It is also lightweight, making it easy to transport from one place to another.

3. Longer Life Span: The Best 15 Gallon Gas Water Heater has a longer life span than other models due to its superior construction and design. This ensures that you will get many years of use out of your purchase.

4. High Capacity: This water heater has a high capacity, allowing you to have hot water available when needed without having to wait for it to heat up.

5. Safety Features: The Best 15 Gallon Gas Water Heater comes with built-in safety features that help protect your home from potential accidents or fires caused by the heater malfunctioning or overheating.

Buying Guide for Best 15 Gallon Gas Water Heater

Types of 15 Gallon Gas Water Heaters

There are two main types of 15 gallon gas water heaters: tankless and tank-style. Tankless water heaters are more efficient and space-saving, as they only heat water when needed. Tank-style water heaters store hot water in an insulated tank, so they can provide hot water even when demand is low.

Factors to Consider When Choosing a 15 Gallon Gas Water Heater

When shopping for a 15 gallon gas water heater, there are several important factors to consider:

– Efficiency: Look for a model with an energy efficiency rating that meets your needs.

– Size: Make sure the size you choose can accommodate all the hot water needs of your household.

– Cost: Consider both the upfront cost and long-term operating costs before making your purchase.

– Installation Requirements: Some models require professional installation, so make sure you factor this into the cost of your purchase.

Features to Look for in a 15 Gallon Gas Water Heater

When selecting a 15 gallon gas water heater, you may want to look for certain features that can enhance performance or convenience:

– Self-Cleaning Feature: Some models come with built-in self-cleaning systems that help extend the life of your unit by regularly flushing out sediment buildup in the tank.

– Temperature Control: Look for models with adjustable temperature settings so that you can customize hot water output to suit your needs.

– Advanced Technology Features: Some models come with advanced features such as WiFi connectivity and remote control capabilities, allowing you to adjust settings and monitor performance from anywhere via smartphone or tablet.

The Best 15 Gallon Gas Water Heater is an excellent choice for those looking for an efficient, reliable, and affordable water heater. It provides a great amount of hot water and requires minimal maintenance. It is also easy to install and comes with a warranty. With its innovative technology, the Best 15 Gallon Gas Water Heater can provide you with years of hot water for your home or business.

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