Best 65 Gallon Gas Water Heaters: Top 5 Picks for Homeowners

Hot water is essential in every household, whether for daily showers, cleaning dishes, or laundry. If your current water heater cannot keep up with your family’s demands, you might be considering an upgrade to a larger capacity model. The right choice can make a significant difference in your comfort and energy bills.

When selecting a gas water heater, factors like capacity, efficiency, installation space, and safety features are crucial. You want a reliable unit that not only provides enough hot water but also operates efficiently to save on utility costs. The best models combine innovative technology with user-friendly features.

In this guide, we will review the top 5 65-gallon gas water heaters available. Each option has been evaluated based on performance, energy efficiency, and customer satisfaction. We aim to help you make an informed decision for your hot water needs.

Comparing key specifications can simplify your decision-making process. Below is a quick overview of each product.

Features	Rheem PROG50-36P	Rheem PROE50 M2	ThermoMate CZ422NG	Rheem RTG Series	GASLAND Gasmart E
Capacity	50 Gallons	50 Gallons	On-Demand	On-Demand	On-Demand
BTU	36,000	18.75 Amps	102,000	160,000	199,000
Energy Efficiency	Low Emissions	Automatic Thermostat	98% Thermal Efficiency	0.82 UEF	0.8 UEF
Installation	Atmospheric	Medium Residential	Indoor Tankless	Indoor Tankless	Indoor Tankless
Best Use Case	Medium Households	Medium Households	Multiple Showers	Whole House	Whole House

Rheem PROG50-36P RH62 Pro…

The Rheem PROG50-36P RH62 is a robust 50-gallon liquid propane gas water heater designed for medium to large households. This model is perfect for families needing consistent hot water for multiple showers and appliances simultaneously. Its efficient heating capacity of 36,000 BTU ensures quick recovery rates.

One standout feature of this unit is its Eco-friendly burner, which meets low NOx emissions standards. The patented EverKleen system helps prevent sediment build-up, enhancing the heater’s lifespan and performance. With easy lighting and a durable R-Tech anode rod, this model is designed for long-term reliability.

However, it’s worth noting that while this model is efficient, it may not provide enough hot water for very large households with simultaneous high demands. Additionally, users may find the 50-gallon capacity limiting compared to larger options.

• Low emissions burner
• 36,000 BTU capacity
• 50-gallon tank
• EverKleen sediment prevention
• Easy lighting mechanism

Best for: Medium-sized families needing efficient hot water in a compact design.

Rheem PROE50 M2 RH95 50-G…

The Rheem PROE50 M2 RH95 is a top-tier electric water heater that caters well to medium households with 3-5 members. While it’s not a gas unit, its impressive 50-gallon capacity and automatic thermostat make it a worthy contender for those considering an upgrade.

What makes this model stand out is its space-saving design, making it suitable for homes with limited installation space. Its reliable performance ensures ample hot water for homes with multiple bathrooms, thanks to the enhanced-flow brass drain valve and durable anode rod.

However, the electric nature of this heater means it may not be as energy-efficient as some gas models, particularly in areas with high electricity rates. Homeowners should assess their energy costs before making a decision.

• 50-gallon capacity
• 18.75 Amps
• Automatic thermostat
• Space-saving design
• Long-lasting anode rod

Best for: Households seeking a compact and reliable electric solution.

ThermoMate CZ422NG, Natur…

The ThermoMate CZ422NG is a natural gas tankless water heater ideal for homeowners who prioritize efficiency and space. This model delivers hot water on demand, making it perfect for busy households where multiple faucets or showers may be in use simultaneously.

With a maximum output of 102,000 BTU and the capability to provide up to 5 GPM, this system ensures consistency in water temperature, even with fluctuating demands. Its advanced safety features, including boil-dry and freeze protection, enhance user confidence.

On the downside, tankless systems can require more upfront investment and might necessitate additional installation costs if gas lines or venting need upgrades. Also, homeowners accustomed to traditional tank systems may take time to adjust to the on-demand model.

• 102,000 BTU heating
• 5 GPM flow rate
• Tankless design
• Advanced safety features
• Space-saving installation

Best for: Families who need efficient, on-demand hot water for multiple outlets.

Rheem RTG Series 7.0 GPM…

The Rheem RTG Series is a high-performance tankless water heater that delivers up to 7.0 GPM at a 35°F temperature rise, making it an excellent choice for larger households. This model is well-suited for homes with multiple bathrooms and high hot water demands.

What sets this unit apart is its energy-efficient design, which offers a UEF of 0.82, translating to significant savings on energy costs compared to traditional tank heaters. The sleek, wall-mounted design frees up floor space, making it a practical choice for smaller homes.

However, this model requires careful installation and may not be compatible with all existing plumbing systems. Homeowners should consult a professional plumber to ensure it fits their home’s specifications.

• 7.0 GPM flow rate
• 160,000 BTU output
• Energy-efficient design
• Wall-mounted installation
• Advanced safety features

Best for: Large families needing continuous hot water while saving space.

GASLAND Gasmart E 199,000…

The GASLAND Gasmart E is a powerful tankless water heater designed for residential use. With an impressive output of 199,000 BTU, it provides an on-demand hot water solution that is perfect for households with high hot water needs.

This unit’s energy efficiency is noteworthy, boasting a UEF of 0.8, which helps reduce energy bills while minimizing environmental impact. Its compact design allows for easy installation in tight spaces, offering flexibility for various setups.

On the flip side, as a tankless model, it may require a more complex installation compared to traditional tank systems, which can add to initial costs. Additionally, users may experience temperature fluctuations if multiple outlets are used simultaneously.

• 199,000 BTU capacity
• 7.6 GPM flow rate
• Compact design
• CSA certified
• Robust safety features

Best for: Homeowners needing a high-performance, space-saving water heater.

How We Chose These Products

Our selection process involved evaluating various factors, including performance, energy efficiency, user reviews, and warranty offerings. We considered models that excel in real-world applications, ensuring they meet the needs of different household sizes and hot water demands.

Each product was compared on its features, ease of installation, and overall cost-effectiveness. We aimed to highlight options that offer the best value for money while ensuring high performance and reliability.

Buying Guide: What Really Matters

When choosing a gas water heater, consider capacity and recovery rate. A larger tank is essential for bigger families or homes with multiple bathrooms. Evaluate the BTU output to ensure it can meet your household’s hot water demands efficiently.

Energy efficiency is another critical factor. Look for models with higher UEF ratings, as they can save you money on utility bills in the long run. Additionally, consider installation requirements and whether you need to make adjustments to your plumbing or gas lines.

Our Top Recommendation

The Rheem PROG50-36P RH62 stands out as our top pick for its combination of efficiency, capacity, and reliability. It meets the needs of medium-sized households effectively. If you’re looking for an option that offers great performance without breaking the bank, this is the one to consider. For larger families, the Rheem RTG Series offers excellent performance and continuous hot water, making it a great runner-up choice.

Frequently Asked Questions

What size water heater do I need for a family of four?
A 50 to 65-gallon water heater is typically sufficient for a family of four, depending on usage habits.

How long do gas water heaters last?
On average, gas water heaters last about 8 to 12 years, depending on maintenance and usage.

Can I install a gas water heater myself?
While some homeowners may attempt a DIY installation, it’s advisable to hire a professional to ensure safety and compliance with local codes.

What maintenance is required for gas water heaters?
Regular maintenance includes flushing the tank to remove sediment, checking the anode rod, and inspecting the burner for proper operation.

Can I switch from electric to gas water heating?
Yes, but it may involve upgrading your gas lines and ensuring your home is set up for gas appliances. Consult a professional for guidance.

Are tankless water heaters worth it?
Many homeowners find tankless units worth the investment due to on-demand heating and energy savings, especially in larger households.

What are common issues with gas water heaters?
Common issues include pilot light problems, sediment buildup, and issues with the thermostat or heating elements.

How can I improve the efficiency of my gas water heater?
Insulating the tank and pipes, adjusting the thermostat, and scheduling regular maintenance can enhance efficiency.