Best propane water heaters

Our top 3 picks

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  NEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU

  The Rinnai RX199iN Condensing Smart Sense Tankless Water Heater offers versatile installation options, supporting both indoor and outdoor setups. With a compact design comparable to a small suitcase, it efficiently delivers up to 11.1 gallons per minute, making it ideal for large households with multiple simultaneous users. Powered by either natural gas or propane, it features Smart Sense gas control for seamless operation. Customers appreciate its reliable performance, particularly its ability to provide endless hot water, which is invaluable for families. While the electronic adjustments are simple to use, some users noted difficulties with the app functionality. For optimal maintenance, especially in hard water areas, additional valves for recirculating cleaning solutions are recommended. Overall, this tankless water heater combines efficiency with convenience, ensuring you never run out of hot water.
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  Tankless Water Heater Propane, 4.74GPM 18L Indoor,Instant Hot Propane Gas Water Heater,Constant Propane Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)

  The Tankless Water Heater Propane, 4.74GPM 18L Indoor model offers efficient and energy-saving performance with a flow rate of 4.74 gallons per minute and a maximum power output of 68,000 BTU/hour. Its stainless steel construction and oxygen-free copper water tank ensure durability and reduced heat loss. Ideal for small spaces like homes, cabins, and remote apartments, this heater saves over 50% of space compared to traditional tank models. Users appreciate its consistent and instant hot water delivery, without the risk of sudden temperature changes. Easy to install with standard fittings, this heater is perfect for those seeking a reliable and compact solution for their hot water needs. Note the importance of proper ventilation and drainage in cold weather to maintain optimal performance. With a sleek design and user-friendly LED digital display for temperature adjustments, this heater is a practical choice for modern living.
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  Tankless Water Heater Propane,2.11GPM 8L Outdoor Portable Water Heater,with 2 GPM Water Pump, Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins

  The Tankless Water Heater Propane, 2.11GPM 8L Outdoor Portable Water Heater, is a versatile and efficient solution for outdoor hot water needs. With its compact and lightweight design, it's perfect for camping trips, boat cabins, or any outdoor adventure. It offers a generous 2.11 gallons of hot water per minute, ensuring a comfortable shower experience with a maximum temperature rise of 167°F. The heater is equipped with multiple safety features, including a flame failure device, anti-freeze protection, and overheating protection, providing peace of mind during use. Additionally, it comes with a complete set of accessories, including a showerhead, pet showerhead, and a 2GPM water pump with dual power options, making it incredibly user-friendly. Its energy-efficient design minimizes gas consumption, offering more hot water for less cost. Ideal for anyone seeking a reliable and portable hot water solution for their outdoor activities.