Portable Hot Water Heater
Review and Buying Tips

Portable hot water heaters buying tips. Review of popular portable propane water heaters Zodi, EccoTemp and Coleman used for hot water production when hiking, camping, RVing...

Portable hot water heaters are built small and compact making them the ideal solutions for heating the water, when away from home and during the outdoor activities like camping, hiking, boating, fishing, hunting, surfing, boating and RVing.

Portable water heaters are designed as tankless or tank-type, where the tankless units heat water on-demand and deliver it in an endless supply, while the tank-type stores the water inside the tank with the limited capacity.

If you need a hot water for the camp shower, cooking, morning coffee or dishes, buy a portable water heater using the provided users’ guide, buying tips and model reviews below.

Popular portable hot water heater brands

There is a variety of small, tankless and tank-type portable water heaters using the propane gas, available online or in the stores like Wallmart, Campingworld, and Canadian Tire. Based on the features they offer and reviews, the most popular portable propane water heaters are:

  • Coleman
  • EccoTemp
  • Zodi

Coleman review

If looking to buy a portable hot water heater from an expert of the outdoor equipment, Coleman is what you should for. The Coleman Company has been making and innovating products for recreational outdoor use, like camping and hiking, for many years.

Coleman Company offers a propane tankless water heater, model 2300-700 that comes with the 5-gallon collapsible container, or with a continuous flow if you buy the additional accessories.


  • Coleman is easy to install.
  • Coleman water heater can reach the hot water temperature of 100 F in just five seconds.
  • Coleman water heater, with one 16.4-ounce propane cylinder, heats up to 40 gallons, on a single pump battery charge.


  • Variable temperature control knob to adjust the temperature from cold to the scalding hot.
  • Maximum temperature of hot water is 160 F. Over-temp indicator light is used to signal when the maximum temperature has been exceeded.
  • Built-in igniter with instant on/off, and a convenient swing-out spout.
  • The pump is battery-operated. This is a rechargeable 6-volt battery that has a 40-minute run time. Battery low indicator light illuminates when the battery voltage is low.
  • Recharger cord 110V/120V and 12-volt auto recharger cord are included.
  • The hose wraps around the heater for convenient storage.

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Eccotemp review

Eccotemp L5 portable water heaterEccotemp L5

EccoTemp is the North American manufacturer of tankless water heaters that also offers one L5 portable hot water heater model. This 5-liter outdoor mount propane heater is using the tankless technology, specifically for the outdoor showers, when camping, RVing, hiking, boating, within the cabins...


  • EccoTemp L5 portable hot water heater is very simple to install; just hang it on the tree or your RV and use the hot water.
  • Easy to use with the automatic ignition when the water flows.
  • With the 35,000 BTU, L5 portable heater provides temperature from 80°F o 150°F and flow rate of 1-1.5 GPM.
  • Up to 18 hours of use on a 20-pound tank.


  • EccoTemp L5 model includes the gas regulator with the hose to connect to 10- or 20-pound BBQ type propane cylinder.
  • Shower hose with ON/OFF nozzle and multiple spray pattern.
  • Showerhead mount.
  • Vent shield.
  • L5 is equipped with the standard 1/2" NPT pipe fitting and the garden hose adapter.
  • Uses two D cell batteries.

Zodi review

Zodi portable water heaterZodi

Zodi specializes in the outback gear, including portable propane water heaters. These are also called instant hot-showers as they are able to produce hot water with the temperature up to 100 F, and in a short time.

Zodi portable hot water heater is designed specifically for camping, RVs, hiking, boating and other outdoor activities.

From Zodi program, I will mention two popular and easy to use portable propane water heaters; Single Burner Hot Tap and High-Performance Double Burner Heaters, with two propane tanks. Single burner hot tap is great for campers as there is an option to buy a hot shower with the soft case, which expands to 4-gallon storage, making it ideal for the transport.


  • Built to last. 
  • Zodi portable water heaters are designed with a premium quality, for extra durability.
  • By placing the pump in the water, Zodi portable heaters are very easy to use. No assembly required.
  • High performance starts with the simple push ignition button.
  • Compact design fits in the rugged waterproof case. Easy to carry.
  • The above Zodi portable water heaters can heat up to 60 gallons, with battery and propane refills.


  • Powerful pump that delivers great pressure with the installed debris filter for protection against dirty water.
  • Water-tight battery case with 48" power cable and holds 4 D-cells.
  • Altitude rated regulated valve, installed on the propane tank, with the ignition push button and heat control.
  • Metal housing that carries the propane tank is built tough and durable.
  • Long shower hose and wide spray shower head.
  • Plastic storage case that protects the shower and holds 4 gallons of water.

Zodi manufacturer is the only one among the above three that offers different types of portable heaters, which are specifically designed for camping and other outdoor activities.

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