best 35 gallon gas water heater that will surprise you with performance

70% of homeowners choose the best 35-gallon gas water heater for energy efficiency.

That’s why the ThermoMate CZ422NG stands out with its 102,000 BTU output, delivering 4.7 GPM of hot water on demand.

Few know its high efficiency features significantly lower energy bills, making it a smart investment for long-term savings.

Our review covers the long-term value of the ThermoMate CZ422NG compared to its rivals, ensuring you make an informed choice.

best 35 gallon gas water heaterbest 35 gallon gas water heaterbest 35 gallon gas water heater

best 35 gallon gas water heater

ThermoMate 102,000 BTU Tankless Water Heater

#1 CHOICE

ThermoMate CZ422NG, 102,000 BTU 4.7 GPM Natural Gas Tankless Water Heater, High Efficiency Instant On-Demand Hot Water for Whole House Use, Indoor Residential Water Heater with Multi-Point Heating

ThermoMate CZ422NG: 21”H x 13”W x 7”D, oxygen-free copper heat exchanger, 2-year warranty.

Benefits

  • Delivers 4.7 GPM to 3-4 fixtures simultaneously.

Drawbacks

  • Requires a 120V power outlet for smart features.

The ThermoMate CZ422NG is an efficient natural gas tankless water heater designed for whole-house use. It provides instant hot water without the wait, making it ideal for busy households. With a thermal efficiency of 98%, it significantly reduces energy consumption, promising savings of up to 30% compared to traditional tank systems.

Equipped with a smart diagnostic display, the 3.5-inch LED touchscreen allows users to easily monitor and adjust the water temperature between 90°F and 140°F. The advanced water flow sensor ensures consistent heating, maintaining temperature fluctuations within ±1°F for a comfortable shower experience.

Safety is a priority, with multiple protection features including boil-dry and freeze protection. Its compact design requires less than one-third the space of traditional models, making it a practical choice for small spaces. However, it does require a standard 120V outlet for its smart features, which may not suit all installations.

A practical pick for small spaces, the ThermoMate CZ422NG is perfect for those seeking reliable, on-demand hot water without the bulk of a traditional tank heater.

To buy this product, click here.

Natural Gas Tankless Water Heater 5.26GPM

#2 CHOICE

Natural Gas Tankless Water Heater,5.26GPM 20L Outdoor,Instant Hot Natural Gas Water Heater with Fahrenheit Digital Display,Multi-Protection

Natural Gas Tankless Water Heater: 22.8” x 14.4” x 5.9”, stainless steel body, 2-year warranty.

Benefits

  • Delivers 5.26 GPM for multiple fixtures simultaneously.

Drawbacks

  • No indoor installation option available.

This Natural Gas Tankless Water Heater stands out with its efficient performance and robust construction. It operates at a high output of 120,000 BTU per hour, ensuring a steady supply of hot water for up to three to four fixtures at once. The stainless steel body offers excellent durability and corrosion resistance, while the oxygen-free copper water tank minimizes heat loss, enhancing longevity.

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One of the standout features is the LED smart digital display, which allows for easy temperature adjustments between 95°F and 149°F. The advanced water servo technology ensures precise control, keeping temperature fluctuations within ±1°F. This makes it ideal for users who demand consistent hot water, regardless of the season.

However, it’s important to note that this unit is designed exclusively for outdoor installation, which may limit its appeal for some users. Additionally, while the heater is efficient, it does not support indoor installation, which could be a drawback for those seeking a more versatile setup.

A practical pick for small spaces, this tankless water heater is perfect for homeowners looking for an efficient and reliable hot water solution.

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Ranein Tankless Natural Gas Water Heater

#3 CHOICE

Ranein Natural Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater

Ranein Natural Gas Tankless Water Heater with Vent Pipe: 4.3 GPM flow rate, 100,000 BTU, includes exhaust pipe, 2-year warranty.

Benefits

  • Provides unlimited hot water on demand, eliminating wait times.
  • Four Seasons Function adjusts temperature based on seasonal changes.
  • Energy-efficient with reduced heat loss thanks to the oxygen-free copper water tank.
  • Cost-effective as it includes the exhaust pipe, saving additional expenses.

Drawbacks

  • Not suitable for installations above 2,000 feet.
  • Requires licensed professionals for installation, which may add to initial costs.

This tankless water heater is a practical pick for small spaces and households needing hot water for multiple points. It is ideal for kitchens, bathrooms, and bar areas, providing a reliable and efficient solution for modern living. Its advanced features cater to various needs while ensuring energy savings, making it a smart investment for those looking to upgrade their hot water system.

To buy this product, click here.

FOGATTI Outdoor Natural Gas Tankless Heater

#4 CHOICE

FOGATTI Natural Gas Tankless Water Heater Outdoor - Max 8.1 GPM 180,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater - Instagas Comfort 180S Series

FOGATTI Natural Gas Tankless Water Heater Outdoor – Max 8.1 GPM 180,000 BTU, CSA Certified Compact Design On Demand Instant Hot Water Heater – Instagas Comfort 180S Series: 26.2” x 17.1” x 7.1”, high-efficiency oxygen-free copper heat exchanger, 2-year warranty.

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Benefits

  • Delivers continuous hot water with a flow rate of up to 8.1 GPM, suitable for multiple outlets.

Drawbacks

  • Requires outdoor installation, limiting placement options.

This tankless water heater is designed for outdoor durability, featuring a remote control panel for indoor operation. Its bottom-mounted fan enhances safety by preventing smoke backflow, ensuring reliable performance in all seasons.

Precision temperature control is achieved through advanced water servo technology, maintaining a temperature difference within ±1℉. The four-stage combustion system guarantees consistent hot water, regardless of external temperatures.

Installation is quick and easy, compatible with low water pressure from 15-150 PSI. Simply connect to a standard 120V AC for seamless operation. Built with a 304 stainless steel burner, it meets high safety standards and is CSA certified.

FOGATTI offers 2 years of full coverage for the unit and 5 years for the heat exchanger, backed by dedicated customer support. This product is a practical pick for small spaces needing efficient hot water solutions.

To buy this product, click here.

Natural Gas Tankless Water Heater 14L

#5 CHOICE

Natural Gas Tankless Water Heater, 14L Instant Hot Water Heater with Fahrenheit Digital Display, Indoor Installation Up to 3.7GPM, 95540BTU

Natural Gas Tankless Water Heater: 14L instant hot water heater, 95540 BTU, indoor installation, 3.7GPM flow rate, digital Fahrenheit/Celsius display, requires professional installation.

Benefits

  • Instant hot water with no preheating delays, providing hot water in seconds.
  • Supports multi-fixture use with a flow rate of 14L/min (3.7GPM).
  • High-quality construction with rust-resistant heat exchanger for long-term durability.
  • Safety features include overheat protection and gas leak detection.

Drawbacks

  • Requires professional installation, which can add to initial costs.
  • No dishwasher-safe components, limiting cleaning convenience.

A practical pick for small spaces, the Natural Gas Tankless Water Heater is ideal for households needing efficient hot water without the bulk of traditional tanks. Its instant-on feature ensures that you never have to wait for hot water again, making it perfect for busy kitchens or bathrooms. With robust safety mechanisms and high-quality materials, this unit promises reliability and longevity. However, be prepared for the additional expense of professional installation and the lack of easy-to-clean parts. Overall, it’s an excellent choice for those looking to maximize their space while enjoying the benefits of on-demand hot water.

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Faq about best 35 gallon gas water heater:

1:What is a 35 gallon gas water heater?

A 35 gallon gas water heater is a storage water heater that holds up to 35 gallons of water, heated by natural gas or propane, ideal for small to medium households.

2:What are the benefits of a gas water heater?

Gas water heaters typically heat water faster than electric models, have lower operating costs, and can function during power outages.

3:How do I choose the best 35 gallon gas water heater?

Consider factors like energy efficiency (look for the Energy Star label), recovery rate, warranty, and customer reviews to find the best model for your needs.

4:What maintenance is required for a gas water heater?

Regular maintenance includes flushing the tank annually, checking the anode rod, and inspecting gas connections for leaks to ensure efficient operation.

5:How long do gas water heaters last?

On average, a gas water heater lasts about 8 to 12 years, depending on usage and maintenance practices.

6:Can I install a gas water heater myself?

While some may attempt DIY installation, it is recommended to hire a professional for safety and compliance with local codes.

Conclusion

The ThermoMate 102,000 BTU Tankless Water Heater epitomizes efficiency, delivering an impressive 5.26 gallons per minute, ensuring a continuous supply of hot water tailored to modern demands. Its innovative design minimizes energy consumption while maximizing performance, making it a paragon of contemporary heating solutions.

Conversely, the Natural Gas Tankless Water Heater stands out for its reliability and robust output, catering to households with substantial hot water needs. This model not only enhances comfort but also exemplifies sustainability through its reduced carbon footprint, positioning it as an exemplary choice for environmentally conscious consumers.