Short Gas Water Heater – Which 5 Models Stand Out in 2023?

For homeowners, a short gas water heater delivers efficiency without compromising comfort.

A short gas water heater provides reliable hot water while saving space and energy. The **Proline Atmospheric Vent Series** stands out as a top choice for those needing a compact solution.

From small apartments to large homes, these heaters adapt to various needs, ensuring you always have hot water on demand.

We detail pros, cons, and hidden perks ahead.

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short gas water heater

State Proline 50 Gallon Gas Water Heater

#1 CHOICE

State Proline Atmospheric Vent Series 50 Gallon Capacity 40,000 BTU Heating Input Short Gas Water Heater

The Proline Atmospheric Vent Series 50 Gallon Capacity 40,000 BTU Heating Input Short Gas Water Heater is designed to provide efficient hot water solutions for residential use, ideal for medium to large households. With a capacity of 50 gallons and a first-hour rating of 81 gallons per hour, this water heater ensures you have sufficient hot water for showers, dishwashing, and laundry. Its compact dimensions of 49-3/4″ H x 24″ D make it suitable for tight spaces without sacrificing performance.

This water heater solves the common problem of insufficient hot water supply by delivering a robust 40,000 BTU heating input, ensuring rapid recovery rates at 43 gallons per hour for a 90°F rise. The Proline Atmospheric Vent Series is particularly beneficial for families that require a steady supply of hot water throughout the day, enhancing comfort and convenience.

Pros

  • High capacity and first-hour rating provide ample hot water for larger households.
  • Efficient recovery rate minimizes downtime between uses.
  • Compact design fits well in smaller utility spaces.
  • Durable construction ensures long-lasting performance.

Cons

  • Initial price may be higher compared to standard models.
  • Installation requires professional assistance for optimal performance.

In terms of performance, the Proline Atmospheric Vent Series excels with its energy efficiency, boasting a 0.62 uniform energy factor rating. This means it operates effectively while keeping energy costs manageable. Its standout features include a robust heating input and a user-friendly thermostat, making adjustments simple and intuitive. However, potential buyers should consider that the heater’s reliance on natural gas may limit its use in areas without gas availability.

This water heater is best suited for families or individuals who prioritize hot water availability and efficiency. While it may have a higher upfront cost, the long-term savings on energy bills and the convenience of consistent hot water make it a worthwhile investment. The Proline Atmospheric Vent Series stands out as a reliable choice for those seeking a dependable hot water solution.

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Ranein 2025 Natural Gas Tankless Water Heater

#2 CHOICE

2025 GEN l Ranein Natural Gas Tankless water HeateMax 8.5 GPM. 190.000 BTU Indoor On Demand InstarHot Water Heater with LED Temperature Control Panel

The 2025 GEN l Ranein Natural Gas Tankless Water Heater is designed to provide high-efficiency hot water on demand, ideal for homeowners and renters looking for a reliable solution to their hot water needs. With a maximum flow rate of 8.5 GPM and a powerful 190,000 BTU output, this unit supports simultaneous use across multiple taps, making it perfect for households with 4-6 fixtures in use at once.

This tankless water heater features advanced technology that maintains a steady temperature for daily comfort. Its ability to automatically adjust flow and heat prevents sudden temperature changes, ensuring a pleasant experience during showers and other daily activities. The compact, wall-mounted design is particularly beneficial for apartments and smaller homes, freeing up valuable floor space while still delivering consistent hot water.

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Constructed with a durable stainless steel body, the heater resists temperature fluctuations and corrosion. The oxygen-free copper tank minimizes heat loss, ensuring efficient operation. Additionally, the bottom-mounted blower enhances safety by preventing smoke backflow and operates quietly, contributing to a longer service life.

Pros

  • High efficiency with 8.5 GPM flow rate, supporting multiple outlets.
  • Steady temperature control for a comfortable hot water experience.
  • Space-saving wall-mounted design ideal for small living spaces.
  • Energy-saving operation reduces utility bills compared to traditional tank heaters.
  • Durable materials ensure longevity and resistance to corrosion.

Cons

  • Requires professional installation, which may add to overall costs.
  • Not recommended for areas above 2,000 feet elevation.

The 2025 GEN l Ranein Natural Gas Tankless Water Heater stands out for its performance and efficiency, making it an excellent choice for families and individuals seeking a reliable hot water solution. While the need for professional installation may be a drawback for some, the long-term savings and convenience it offers make it a worthwhile investment for those looking to enhance their home’s hot water system.

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Outdoor Portable Propane Tankless Water Heater

#3 CHOICE

Outdoor Propane Tankless Water Heater - 6L 1.58 GPM Portable Gas Water Heater with Handle & Overheating Protection, Instant Hot Water for RV Cabin Camping Boat Barn

The Outdoor Propane Tankless Water Heater is designed to provide instant hot water on the go, making it ideal for outdoor enthusiasts, campers, and anyone needing hot water in remote locations. With its compact size of 11.8 (L) x 5.3 (W) x 17.3 (H) inches and a lightweight design of only 12 lbs, this portable water heater is easy to carry and set up. It comes equipped with a foldable handle for convenient storage and transport, ensuring you can enjoy hot showers or clean up after outdoor activities without hassle.

This tankless water heater delivers a maximum power output of 40,000 BTU/hr, producing up to 1.58 gallons of hot water per minute. It operates efficiently even with low water pressure—starting at just 2.5 PSI—so you can rely on it for various uses, from camping trips to washing pets or vehicles. The Outdoor Propane Tankless Water Heater solves the problem of limited hot water supply, allowing users to enjoy endless hot showers wherever they are.

Pros

  • Provides instant hot water without preheating.
  • Compact and lightweight design for easy transport.
  • Versatile for multiple outdoor activities, including RVing and camping.
  • Includes safety features like overheating and low water flow protection.
  • Simple installation process, taking just a few minutes.

Cons

  • Requires a standard 20 lb. propane tank, which may not be included.
  • Not suitable for prolonged exposure to rain or water.
  • Some users may find the price higher than traditional water heaters.

Performance-wise, the Outdoor Propane Tankless Water Heater stands out with its reliable heating capabilities and safety features. The 6-in-1 protection system ensures safe operation, adhering to Canadian and US standards. This product is best suited for outdoor adventurers, RV owners, and anyone needing a reliable hot water solution while off-grid. However, users should be cautious about proper sealing and storage to prevent gas leaks and damage from moisture.

In summary, the Outdoor Propane Tankless Water Heater is an excellent investment for those seeking convenience and efficiency in outdoor hot water solutions. Its portability and performance make it ideal for campers, RVers, and anyone who enjoys outdoor activities without sacrificing comfort.

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Propane Tankless Water Heater with Display

#4 CHOICE

Tankless Water Heater Propane with Digital Display, 3.66 GPM 14L Portable Instant Hot Gas Water Heater with Overheating Protection for Indoor and Camping,85300 BTU

Tankless Water Heater Propane with Digital Display is designed to provide instant hot water for various outdoor activities and indoor use, making it ideal for campers, RV enthusiasts, and anyone needing reliable hot water on the go. With a maximum output of 85300 BTU/hour, this portable water heater can deliver hot water at a rate of 3.66 gallons per minute, ensuring you have a consistent supply for showers, washing pets, or cleaning tasks. Its compact size and lightweight design make it easy to transport, enhancing your outdoor experience.

This propane water heater features a digital display for easy monitoring and control of temperature settings, reaching temperatures as high as 113°F. The heater operates efficiently with advanced combustion technology, which reduces energy consumption and minimizes noise. With a minimum starting pressure of 3.6 PSI and a maximum of 116 PSI, it caters to various water supply conditions, making it versatile for different environments.

Pros

  • Problem Solving Capability: Provides instant hot water, eliminating the wait time associated with traditional heaters.
  • Durability: Built with safety features like overheat and low-flow protection, ensuring long-lasting performance.
  • Ease of Use: Lightweight and portable design allows for hassle-free transport and setup.
  • Energy Efficiency: 10% energy-saving technology helps reduce costs while providing ample hot water.
  • Versatility: Suitable for various outdoor activities like camping, hiking, and pet washing.

Cons

  • Price: Higher initial investment compared to traditional water heaters.
  • Size Restrictions: May not be suitable for larger households needing extensive hot water supply.
  • Setup Complexity: Requires proper installation and understanding of propane connections for safe operation.

The Tankless Water Heater Propane excels in performance with its efficient heating capabilities and safety features. It is best suited for outdoor enthusiasts who prioritize convenience and reliability in their hot water supply. While it has a higher price point, the benefits of energy savings and portability make it a worthwhile investment for those who enjoy camping or need hot water in remote locations.

To buy this product, click here.

Rinnai Natural Gas Tankless Water Heater

#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 is designed to provide instant hot water on demand, making it ideal for homeowners seeking efficiency and reliability in their water heating solutions. This unit is particularly suited for residential use, supporting various applications such as indoor showers, kitchen tasks, and garage projects. With a flow rate of 14 liters per minute (3.7 GPM) and a powerful 95,540 BTU input, this water heater ensures you never have to wait for hot water again.

The Natural Gas Tankless Water Heater features industrial-grade materials, including high-quality metal housing and a UL-certified stainless steel vent pipe. This construction is designed to withstand indoor humidity and minimize limescale buildup, ensuring long-lasting performance. The digital display allows for easy temperature adjustments between Fahrenheit and Celsius, providing real-time monitoring for user convenience.

  • Instant Hot Water: Eliminates preheating delays, providing hot water within seconds.
  • Durable Construction: Made from high-quality materials that resist rust and corrosion.
  • Safety Features: Includes overheat protection and gas leak detection for peace of mind.
  • Easy Temperature Control: Dual-unit digital display allows for quick adjustments.
  • Multi-Fixture Support: Capable of serving multiple outlets simultaneously without loss of pressure.
  • Professional Installation Required: Complex setup necessitates hiring qualified technicians.
  • Limited to Natural Gas: Not compatible with electric systems, which may limit options for some users.
  • Potentially Higher Initial Cost: Compared to traditional water heaters, the upfront investment can be significant.
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Performance-wise, the Natural Gas Tankless Water Heater excels in providing reliable hot water efficiently. Its standout features, including the automatic overheat warning and post-shutdown cooling fan, enhance user safety and prolong the unit’s lifespan. While it requires professional installation due to its complexity, the investment pays off with long-term savings on energy bills and the convenience of instant hot water.

This water heater is best suited for families or individuals who prioritize efficiency and safety in their home heating solutions. Overall, the Natural Gas Tankless Water Heater is a valuable addition to any household, ensuring hot water is always readily available.

To buy this product, click here.

Faq about short gas water heater:

1:What is a short gas water heater?

A short gas water heater is a compact appliance designed to heat water quickly, typically with a tank height of 30 to 40 inches, suitable for smaller spaces.

2:What are the advantages of a short gas water heater?

Short gas water heaters provide efficient heating, save space, and are often more affordable than larger models, making them ideal for apartments and small homes.

3:How do I choose the right size short gas water heater?

Consider your household’s hot water demand, the number of occupants, and peak usage times to select a model with the appropriate capacity, usually between 30 to 50 gallons.

4:Are short gas water heaters energy-efficient?

Yes, many short gas water heaters are designed with energy efficiency in mind, often featuring insulation and high-efficiency burners to reduce gas consumption.

5:How long do short gas water heaters last?

With proper maintenance, a short gas water heater can last 10 to 15 years, depending on usage and water quality.

6:What maintenance is required for a short gas water heater?

Regular maintenance includes flushing the tank annually, checking the anode rod, and ensuring proper ventilation for safety and efficiency.

Conclusion

The State Proline 50 Gallon Gas Water Heater exemplifies reliability and efficiency, catering to households with substantial hot water demands while ensuring optimal energy consumption. Its robust design and commendable performance make it a favored choice among consumers seeking durability and value.

Conversely, the Ranein 2025 Natural Gas Tankless Water Heater epitomizes modern innovation, delivering instantaneous hot water while conserving space and resources. Its cutting-edge technology and eco-friendly approach position it as a premier option for those prioritizing sustainability without compromising on performance.