Liquid Propane Tankless Water Heater – Are These 5 Picks Worth It?

Budget models disappoint—but Rheem RTG-84DVLP-3 delivers unmatched efficiency.

When it comes to liquid propane tankless water heaters, choosing the right one is essential for comfort and savings. The **Rheem RTG-84DVLP-3** stands out with its impressive 8.4 GPM flow rate, while the **Rheem RTG-70DVLP-3** offers reliable performance at 7.0 GPM. Both models ensure hot water on demand without sacrificing energy efficiency.

For outdoor installations, the Rheem RTG-70XLP-3’s robust design ensures durability against the elements, making it a top choice.

Below, we analyze budget, lifespan, and real-user feedback.

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liquid propane tankless water heater

Rheem High Efficiency Indoor Tankless Water Heater

#1 CHOICE

Rheem RTG-70DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, 7.0 GPM

Rheem RTG-70DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater: 7.0 GPM, liquid propane, 5-year warranty.

Benefits

  • Provides continuous hot water for multiple applications simultaneously, ensuring comfort during showers and dishwashing.
  • Energy-efficient design only operates when hot water is needed, potentially reducing energy costs.
  • Water-saving setting can save up to 1,100 gallons of water per year, making it eco-friendly.
  • Hot-start programming eliminates cold-water bursts, providing instant hot water when required.
  • LeakGuard Leak Detection prevents water damage by identifying internal leaks, offering peace of mind.

Drawbacks

  • Installation may require professional help, leading to additional costs.
  • Not suitable for very large households with excessive simultaneous hot water needs.

A practical pick for energy-conscious homeowners seeking reliable hot water solutions.

To buy this product, click here.

Rheem High Efficiency Indoor Tankless Water Heater

#2 CHOICE

Rheem RTG-84DVLP-3 High Efficiency Non-Condensing Indoor Tankless Liquid Propane Water Heater, 8.4 GPM

Rheem RTG-84DVLP-3: 8.4 GPM, liquid propane, 12-year warranty.

Benefits

  • Provides continuous hot water for multiple applications simultaneously.
  • High efficiency saves on energy costs by only operating when needed.
  • Water-saving setting conserves up to 1,100 gallons of water annually.
  • Hot-start programming prevents cold-water bursts, ensuring comfort.

Drawbacks

  • Requires professional installation which may add to initial costs.
  • No battery backup for power outages.
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A practical pick for large households needing reliable hot water on demand.

To buy this product, click here.

Rheem High Efficiency Outdoor Tankless Water Heater

#3 CHOICE

Rheem RTG-70XLP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater, 7.0 GPM

Rheem RTG-70XLP-3 High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater: 7.0 GPM, liquid propane, 2-year warranty.

Benefits

  • Provides continuous hot water for your entire house, even when multiple applications are in use.
  • High efficiency saves on energy costs, as it only runs when needed.
  • Water-saving setting conserves up to 1,100 gallons of water annually.
  • Hot-start programming prevents cold-water bursts by keeping the heater in a ready state.
  • Compact design is 19% smaller and 22% lighter than previous models, facilitating easy installation and saving space.

Drawbacks

  • Requires professional installation which can add to the initial cost.
  • Not suitable for large households that require more than 7.0 GPM during peak usage.

A practical pick for small spaces and efficient hot water needs, the Rheem RTG-70XLP-3 is ideal for homeowners looking to save on energy and water costs while ensuring a steady supply of hot water. Its compact size and efficient performance make it a strong contender in the tankless water heater market.

To buy this product, click here.

Rheem High Efficiency Outdoor Tankless Water Heater

#4 CHOICE

Rheem High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater, 8.4 GPM

Rheem High Efficiency Non-Condensing Outdoor Tankless Liquid Propane Water Heater: 8.4 GPM, liquid propane, 2-year warranty.

Benefits

  • Provides continuous hot water for multiple applications simultaneously, ensuring comfort during peak usage.
  • High efficiency operation saves on energy costs, as the unit only runs when hot water is needed.
  • Water-saving setting can save up to 1,100 gallons of water annually, making it eco-friendly.
  • Hot-start programming keeps the unit ready, preventing cold-water bursts for a consistent experience.
  • Compact design is 19% smaller and 22% lighter than previous models, allowing for easy installation in tight spaces.
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Drawbacks

  • Requires professional installation, which may add to the overall cost.
  • Not suitable for indoor use, limiting placement options.

A practical pick for small spaces, the Rheem tankless water heater is ideal for homeowners seeking an efficient and reliable hot water solution without sacrificing space or comfort.

To buy this product, click here.

Rheem RTGH 9.5 GPM Tankless Water Heater

#5 CHOICE

Rheem RRTGH95DVLP3701178 Rheem RTGH Series 9.5 GPM 199,900 BTU 120 Volt Residential Indoor Liquid Propane Tankless Water Heater Stainless Steel

Rheem RRTGH95DVLP3701178 Rheem RTGH Series: 12” long, ABS plastic, 2-year warranty.

Benefits

  • Holds 5L without tipping.

Drawbacks

  • No dishwasher-safe parts.

The Rheem RRTGH95DVLP3701178 is a high-efficiency tankless water heater that delivers a flow rate of 0.4 – 9.5 GPM, making it suitable for various household needs. With available temperature settings ranging from 100 to 140°F, it allows for customized hot water supply, ensuring comfort for users. The electric ignition feature adds convenience, eliminating the hassle of pilot lights.

Warranties are solid, covering 1 year for labor, 15 years for the heat exchanger, and 5 years for parts, providing peace of mind for buyers concerned about long-term reliability. Its compact design at 17-11/16 inches wide is ideal for tight spaces, making installation easier in smaller homes or apartments.

However, potential buyers should note that there are no dishwasher-safe parts, which may limit cleaning options. This could be a drawback for those looking for low-maintenance products.

Overall, the Rheem RRTGH95DVLP3701178 is a practical pick for small spaces, offering efficient performance and a good balance of features for residential use.

To buy this product, click here.

Faq about Liquid Propane Tankless Water Heater:

1:What is a liquid propane tankless water heater?

A liquid propane tankless water heater heats water on demand using liquid propane as fuel, providing continuous hot water without a storage tank.

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2:How does a liquid propane tankless water heater work?

When a hot water tap is turned on, cold water flows through the unit, triggering a burner that heats the water instantly, ensuring a constant supply.

3:What are the benefits of using a liquid propane tankless water heater?

Benefits include energy efficiency, space-saving design, longer lifespan, and unlimited hot water, making it ideal for homes with high hot water demands.

4:How do I install a liquid propane tankless water heater?

Installation requires professional assistance to ensure proper venting, gas line connections, and compliance with local codes for safety and efficiency.

5:Are liquid propane tankless water heaters energy efficient?

Yes, they are highly energy efficient, often achieving up to 98% efficiency, reducing energy costs compared to traditional tank heaters.

6:What maintenance is required for a liquid propane tankless water heater?

Regular maintenance includes descaling to prevent mineral buildup, checking gas connections, and ensuring proper venting for optimal performance.

Conclusion

Rheem’s High Efficiency Indoor Tankless Water Heater exemplifies superior engineering, delivering on-demand hot water with remarkable energy efficiency. Its compact design and innovative technology ensure optimal performance, making it a premier choice for modern households seeking sustainability without compromising comfort.

Similarly, the Rinnai V75iN offers exceptional reliability and efficiency, catering to diverse household needs with its advanced heating capabilities. Both products represent the pinnacle of tankless water heating solutions, providing consumers with unmatched convenience and long-term cost savings, thereby redefining expectations in home water heating.