Finding a 50 gal gas water heaters that suits your need and does its job well can be challenging. Overall, our tester reviews these 50 gal gas water heaters with giving ratings and marks for its durability, ease of setup and use. Also the 50 gal gas water heaters price will be fairly matched the product’s performance, plus with the attractive and sturdy design etc that comes with the product. We conducted hands-on testing for 50 gal gas water heaters and have the details guide and list provided below.
This is the ultimate buyers guide 50 gal gas water heaters.
The Best 50 gal gas water heaters
1
Rheem PROG50-36P RH62 Professional Classic Tall Residential 36K BTU Atmospheric Liquid Propane Gas Water Heater, 50-Gallon
9.9
Amazon.com
2
Rheem PROG50-42N RH67 PV Professional Classic Residential 42K BTU Power Vent Natural Gas Water Heater, 50-Gallon
9.5
Amazon.com
3
Rheem PROE50 M2 RH95 50-Gallon Professional Classic Medium Residential Electric Water Heater, Gray; Enhanced-flow Brass Drain Valve; 18.75 Amps; Automatic...
8.9
Amazon.com
4
MRCOOL 50 Gallon Electric Water Heater 4500W Tank, High Efficiency Dual Element, Self Cleaning, Rare Earth Anode, 240V Home Use, Gray
8.4
Amazon.com
5
Rinnai REHP50 Electric Heat Pump Water Heater – 50 Gallon, 240V, 30A, Energy Star Certified, 3.75 UEF, 73 Gallon First Hour Delivery for Residential Use
8.3
Amazon.com
6
GASLAND Gasmart E 199,000 BTU Tankless Water Heater, Up to 7.6 GPM, CSA Certified Whole House Natural Gas Indoor Installation Residential On-demand Instant...
8
Amazon.com
7
FOGATTI Natural Gas Tankless Water Heater Indoor - Max 7.5 GPM 170,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater - Instagas...
8
Amazon.com
8
Rheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater 7.0 GPM, 160,000 BTUs
7.8
Amazon.com
9
APUS Natural Gas Tankless Water Heater 140,000 BTU Indoor Installation Up to 6.8 GPM, Zero Cold Water for Technology Instant Hot Water on Demand, Smart Wi-Fi...
7.7
Amazon.com
10
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater 8.4 GPM, 180,000 BTUs
7.5
Amazon.com
The Best 50 gal gas water heaters
Rheem PROG50-36P RH62 Professional Classic Tall Residential 36K BTU Atmospheric Liquid Propane Gas Water Heater, 50-Gallon
$1,207.00
in stock
Amazon.com
Features
| Part Number | PROG50-36P RH62 |
| Model | PROG50-36P RH62 |
| Color | Gray |
| Size | Tall |
- Low Emissions: Eco-friendly burner, low Knox design, Meets 40 ng/J Knox requirements
- Rheum exclusive R-Tech (registered) anode rod provides long-lasting tank protection
- Easy to light - no matches required. EverKleen patented system fights sediment build-up
- Enhanced-flow brass drain valve - Low lead compliant
- This new Model number replaces the old Model number 42VR50-36PF
Rheem PROG50-42N RH67 PV Professional Classic Residential 42K BTU Power Vent Natural Gas Water Heater, 50-Gallon
$2,041.99
in stock
Amazon.com
Features
| Part Number | PROG50-42N RH67 PV |
| Model | PROG50-42N RH67 PV |
| Color | Gray |
| Size | Tall |
| Energy Efficiency Class | 67 |
- Uses indoor air for combustion; blower exhausts the flue gases
- Exclusive air/fuel shut-off device. Maintenance free - no filter to clean
- Long venting lengths up to 100 equivalent feet
- Rheum exclusive R-Tech (registered) anode rod provides long-lasting tank protection
Rheem PROE50 M2 RH95 50-Gallon Professional Classic Medium Residential Electric Water Heater, Gray; Enhanced-flow Brass Drain Valve; 18.75 Amps; Automatic...
$771.99
$930.33
in stock
Amazon.com
Features
| Part Number | PROE50 M2 RH95 |
| Model | PROE50 M2 RH95 |
| Color | Gray |
| Size | 40 |
- Provides ample hot water for households with 3-5 people or homes with 3+ bathrooms
- This water heater takes up less space than competitive models making it a great choice for replacing an existing water heater
- Reliable hot water solution from Rheem, the global leader in water heating
- Anode rod provides long-lasting tank protection
- Automatic thermostat keeps water at desired temperature
- Enhanced-flow brass drain valve
- Temperature and pressure relief valve included
- InfoCue - visible LED indicator
MRCOOL 50 Gallon Electric Water Heater 4500W Tank, High Efficiency Dual Element, Self Cleaning, Rare Earth Anode, 240V Home Use, Gray
out of stock
Amazon.com
Features
| Model | MTWH04550E |
| Color | Gray |
| Size | 50 Gallon |
- Powerful Water Heating: 50-gallon electric tank water heater designed for modern households, delivering consistent hot water for showers, sinks, laundry, and daily home use
- Fast Recovery Performance: Dual 4500W elements heat water quickly, reducing wait time and ensuring reliable hot water even during high-demand usage
- Energy Efficient Design: Optimized heating system reduces energy consumption while maintaining strong, consistent performance for everyday comfort and savings
- Self-Cleaning System: Built-in cleaning cycle helps reduce sediment buildup, improving efficiency, maintaining water quality, and extending overall tank lifespan
- Made to Last: MRCOOL offers innovative and energy-saving heating and cooling solutions using advanced technology and performance for convenient, year-round comfort
Rinnai REHP50 Electric Heat Pump Water Heater – 50 Gallon, 240V, 30A, Energy Star Certified, 3.75 UEF, 73 Gallon First Hour Delivery for Residential Use
$1,799.00
in stock
Amazon.com
Features
| Model | REHP50 |
| Color | Pearl White |
- Energy-efficient performance: Energy Star Certified. Extracts heat from ambient air to deliver consistent hot water with zero emissions and a high Uniform Energy Factor (UEF) of 3.75, reducing energy costs
- High first-hour delivery: Provides up to 73 gallons of hot water in the first hour—ideal for households of 3–4 people with high demand
- Demand-Response Enabled: Saves you money by communicating with local utilities to reduce energy usage during peak hours
- Durable & reliable design: Built with a glass-lined steel tank, UL and NSF certified, and backed by a 10-year residential warranty on tank and parts
- Easy installation & compatibility: Operates on 240V / 30A, with standard 3/4" MNPT inlet/outlet connections and R134a refrigerant for efficient heat transfer. Zero clearance required on top, back, and sides
FOGATTI Natural Gas Tankless Water Heater Indoor - Max 7.5 GPM 170,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater - Instagas...
$599.00
$709.99
PRIMEPRIME
out of stock
Amazon.com
Features
| Model | InstaGas Comfort |
| Warranty | 5 Year Heat Exchanger Warranty |
| Color | Grey 75NI |
| Size | 7.5 GPM, Indoor Installation |
| Energy Efficiency Class | High Efficiency |
- Powerhouse Performance: The FOGATTI tankless water heater takes up a third of the space of traditional tank heaters but delivers 5 times the performance. With a high heating power of 170,000 BTU and a flow rate of 7.5 GPM, it provides endless hot water on demand, perfect for multitasking households
- Instant Heating: Unlike traditional tank heaters, this tankless water heater gas delivers instant and endless hot water as water flows through. Whether it’s for showers, sinks, or appliances, even for 3-5 outlet points, it ensures uninterrupted hot water whenever you need it
- Precision Temperature Control: With advanced water servo technology and temperature sensors, the gas tankless water heater indoor precisely adjusts water flow and gas intake to maintain a temperature difference within ±1℉. The four-stage combustion system ensures consistent comfort, whether it’s a chilly winter or a hot summer
- Quick and Easy Installation: The compact design measuring 25 x 16.3 x 7.3 inches makes installation hassle-free. Tankless gas water heater is compatible with low water pressure from 15-150 PSI, ensuring smooth operation even in areas with weaker water pressure. Simply connect to a standard 120V AC for seamless operation
- Trusted Quality and Support: Built with a high-efficiency copper heat exchanger and 304 stainless steel burner, this water heater offers exceptional durability and performance. Certified by CSA and equipped with multiple safety features, it meets the highest safety standards for reliable operation
- Reliable Protection and Support: The FOGATTI natural gas tankless water heater includes 2 years of full coverage for the entire unit and 5 years of coverage for the heat exchanger. Our dedicated customer support team is ready to assist with any questions or concerns, providing peace of mind for you
- Note: Important Usage Guidelines: Tankless water heater natural gas is equipped with active heating anti-freeze device, If enviroment temp drop below 5℉ or not be used for long period, drain the water inside to prevent damage. For optimal performance, recommended for use below 2000 feet altitude
GASLAND Gasmart E 199,000 BTU Tankless Water Heater, Up to 7.6 GPM, CSA Certified Whole House Natural Gas Indoor Installation Residential On-demand Instant...
$629.99
$739.99
in stock
Limited time deal
Amazon.com
Features
| Model | CE686NG |
| Color | Black |
| Size | Small |
- Unlimited Hot Water On Demand -- Unlike traditional tank water heaters, our tankless gas water heater provides unlimited hot water whenever you need it. No more waiting for the water to reheat — enjoy continuous hot water for showers, laundry, or washing dishes without interruption.Certified by CSA and equipped with multiple safety features, it meets the highest safety standards for reliable operation.
- Energy Efficient & Eco-Friendly -- With an industry-leading UEF of 0.8, our tankless water heater is 34% more energy-efficient than a 50-gallon tank water heater, whose UEF is only 0.6. Save on your energy bill while reducing NOx greenhouse gas emissions by 65% compared to a 50-gallon gas tank. It’s better for the environment and your wallet!
- Space-Saving Design & Easy Installation -- Say goodbye to bulky water tanks! Our compact, suitcase-sized design fits easily into small spaces like closets, basements, or laundry rooms. Enjoy more room for your home while our easy-to-install wall-mounted unit provides on-demand hot water wherever you need it.
- Long-Lasting Durability & Reliability -- Built to last, our tankless water heater has a lifespan twice that of traditional tank heaters. With fewer parts and no tank to leak, it’s easier to maintain and repair. Plus, it’s designed for year-round reliability with built-in safety features like overheat protection, flame-out protection, and freeze protection.
- U.S.-Based Customer Support & Warranty -- We stand behind our products with a comprehensive warranty. If your water heater stops working within a year, we’ll replace it for free. Our dedicated U.S.-based customer support team is always ready to assist you with any questions.
Rheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater 7.0 GPM, 160,000 BTUs
$653.77
$804.00
in stock
Amazon.com
Features
| Part Number | RTG-70DVLN-3 |
| Model | RTG-70DVLN-3 |
| Warranty | 1 Year Labor |
| Color | Gray |
| Size | 7.0 GPM (Standard) |
- High-efficiency tankless gas water heater delivers up to 7.0 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
- Powered by natural gas with 160,000 BTUs, this durable tankless unit ensures fast, reliable hot water—even during peak household demand.
- Designed for indoor installation, this high-efficiency tankless natural gas water heater features a durable, compact metal cabinet and supports easy wall mounting by a qualified installer.
- Hot-start programming prevents cold water bursts, making this tankless natural gas water heater ideal for back-to-back showers.
- Rheem RTG tankless gas water heaters offer high-efficiency, space-saving designs with multiple models to fit any home size, fuel type, and hot water demand.
APUS Natural Gas Tankless Water Heater 140,000 BTU Indoor Installation Up to 6.8 GPM, Zero Cold Water for Technology Instant Hot Water on Demand, Smart Wi-Fi...
$499.99
$559.99
PRIMEPRIME
in stock
Amazon.com
Features
| Model | AP-AWH-Q20NG |
| Color | Space Gray |
| Energy Efficiency Class | High Efficiency |
- Instant Hot Water: This upgraded smart natural gas tankless water heater delivers consistent performance with its 140,000 BTU burner and durable oxygen-free copper heat exchanger. With the latest intelligent heating technology, it provides hot water in just 1 second, giving you instant comfort without the wait.
- Zero Cold Water Tech - Instant Hot Water：Our tankless water heater gas system features APUS exclusive single-circulation technology that eliminates cold water wait time. This on demand water heater delivers instant hot water while its 24/7 ECO smart cycle saves 40% more energy than conventional hot water heaters.
- Built-in Booster Pump: Increases water flow by up to 130%, delivering a maximum of 6.8 GPM. Gas tankless water heater easily supports 2 showers and 2 sinks running at the same time without temperature fluctuations, ensuring a powerful and continuous hot water supply for the whole home.
- Smart WiFi Remote Control: Control your tankless water heater gas anytime via mobile app (Works with Tuya APP). With one tap, busy professionals can preheat on the way home and step right into a comfortable hot shower after work. Adjust temperatures from 95°F–140°F, monitor performance, and receive alerts.
- Smart Season Comfort Mode: Automatically adjusts outlet temperature based on incoming water, delivering consistent hot water all year round. With ±1°F precise temperature control, you’ll never worry about sudden cold water shocks—just steady comfort every time you turn on the tap.
- Advanced Safety Features: Bottom turbo fan design (30% quieter than standard tankless water heaters); 8 protection systems including freeze and overheat protection; ECO mode optimizes this gas tankless water heater model for maximum efficiency.Compact & Easy Installation: Our space-saving tankless water heater (21.3×13.6×7.1") installs easily with standard 1/2" NPT connections. This propane tankless water heater is ideal for whole-house use and comes with customer service 24/7 US support.
- Built-in intelligent freeze protection automatically activates in low temperatures. Please note: When the ambient temperature approaches or falls below 41°F (5°C) for extended periods, or if the water heater will be unused for a long time, the unit must be completely drained of water to prevent internal components from freezing and cracking.
Rheem RTG-84XLN-3 High Efficiency Non-Condensing Outdoor Tankless Natural Gas Water Heater 8.4 GPM, 180,000 BTUs
$964.10
in stock
Amazon.com
Features
| Part Number | RTG-84XLN-3 |
| Model | RTG-84XLN-3 |
| Warranty | 1 Year Labor |
| Color | Gray |
| Size | 8.4 GPM (No WiFi) |
- High-efficiency tankless gas water heater delivers up to 8.4 GPM, perfect for 2–3 bathroom homes with multiple hot water needs like showers and laundry.
- Powered by natural gas with 180,000 BTUs, this durable tankless unit ensures fast, reliable hot water—even during peak household demand.
- Designed for outdoor installation, this high-efficiency tankless natural gas water heater features a durable metal cabinet and supports easy wall mounting by a qualified installer.
- Hot-start programming prevents cold water bursts, making this tankless natural gas water heater ideal for back-to-back showers.
- Rheem RTG tankless gas water heaters offer high-efficiency, space-saving designs with multiple models to fit any home size, fuel type, and hot water demand.
The Video Review of Best 50 gal gas water heaters
Conclusion
When you’re looking for 50 gal gas water heaters, you’ll want to keep a few things in mind. First, decide what you want to use the 50 gal gas water heaters for. Next, check the product reviews with comparision which we have listed as well. Once you’ve decided on 50 gal gas water heaters you want to buy 50 gal gas water heaters, look at the reputation of the manufacturer as well. You can compare prices and quality together before you make your purchase.