The Ultimate Portable Water Heater Buying Guide

Are you tired of cold showers while camping or dealing with unreliable water heating in your RV? A portable water heater could be the perfect solution. These compact and efficient devices provide hot water on demand, making outdoor adventures and road trips much more comfortable. In this comprehensive buying guide, we’ll explore the key features to look for and review some of the best portable water heaters on the market.

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What to Look for in a Portable Water Heater

When shopping for a portable water heater, consider these essential factors to ensure you choose the best unit for your needs:

Fuel Type

Portable water heaters can be powered by either propane or electricity. Propane heaters are ideal for off-grid situations and provide more powerful heating. Electric heaters are more convenient if you can access a power source and prefer quieter operation.

Flow Rate

Flow rate, measured in gallons per minute (GPM), determines how quickly the heater can supply hot water. A higher GPM means running multiple fixtures simultaneously or enjoying a more powerful shower. Select a heater with an appropriate flow rate for your typical water usage.

Temperature Range

Look for a portable water heater with a wide temperature range and adjustable thermostat. This allows you to fine-tune the water temperature to your preference and conserve energy when lower temperatures suffice.

Opt for a compact and lightweight design to ensure easy transport and storage during your adventures.

Durability and Weather Resistance

Opt for a heater with rugged, weather-resistant construction to withstand the elements and rigors of outdoor use. Look for features like anti-freeze protection and durable materials to ensure long-lasting performance.

Safety Features

Prioritize heaters with built-in safety features such as automatic shut-off, overheat protection, and oxygen depletion sensors. These safeguards prevent accidents and ensure the heater operates safely in various conditions.

Now that you know what to look for, let’s dive into our top picks for the best portable water heaters.

1. Eccotemp L10 Portable Outdoor Tankless Water Heater

The Eccotemp L10 is a top-rated portable tankless water heater that delivers instant hot water wherever needed. Its compact size and easy setup make it perfect for camping, RVs, and outdoor showers.

This propane-powered heater features a 2.6 GPM flow rate, providing ample hot water for most outdoor applications. The adjustable temperature control allows you to find the perfect balance between comfort and efficiency. With automatic ignition, shut-off, and a 20-minute safety timer, the Eccotemp L10 prioritizes user safety and convenience.

Pros

• Easy to install and use
• Powerful heating performance
• Durable stainless steel construction
• CSA certified for safety

Cons

• Requires a propane tank and gas regulator (not included)
• May struggle in extremely cold conditions

2. Camplux 5L Outdoor Portable Propane Tankless Water Heater

The Camplux 5L is another excellent choice for a portable propane water heater. Its compact size and folding handle make it easy to transport and store, while its powerful heating capacity ensures a steady hot water supply.

With a maximum flow rate of 1.32 GPM, this heater is ideal for single-fixture applications like outdoor showers or washing dishes. The oxygen depletion safety shut-off system and flame failure device ensure safe operation, even in enclosed spaces.

Pros

• Affordable price point
• Easy to set up and use
• Efficient propane consumption
• CSA certified for safety

Cons

• Lower flow rate compared to some other models
• Not recommended for high elevations

3. EcoTouch Portable Tankless Water Heater

The EcoTouch Portable Tankless Water Heater is an excellent choice for those who prefer the convenience of electric power. Its compact size and easy installation make it perfect for RVs, boats, and other applications with access to electricity.

This heater features self-modulating technology, automatically adjusting power input based on the desired temperature and flow rate. This ensures optimal energy efficiency and consistent water temperature. With overheat protection and leakage protection, the EcoTouch prioritizes user safety.

The EcoTouch’s self-modulating technology optimizes energy efficiency and maintains consistent water temperature.

Pros

• Easy to install and operate
• Energy-efficient performance
• Quiet operation
• Suitable for indoor use

Cons

• Requires access to electricity
• May not be as powerful as propane models

4. Gasland Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater

The Gasland Outdoors BE158 is a reliable and efficient portable gas water heater, perfect for camping, RVs, and outdoor events. Its compact size and easy setup make it a convenient choice for hot water on the go.

With a flow rate of 1.58 GPM, this heater provides ample hot water for most outdoor applications. The flame failure device, anti-freezing protection, and overheating shut-off protection ensure safe operation in various conditions.

Pros

• Powerful heating performance
• Durable construction
• Easy to set up and use
• CSA certified for safety

Cons

• Requires a propane tank and gas regulator (not included)
• Initial setup may be challenging for some users

5. Camplux BW211 Outdoor Portable Propane Tankless Water Heater

The Camplux BW211 is a powerful and reliable portable propane water heater, ideal for outdoor adventures and off-grid living. Its compact size and easy installation make it a convenient choice for hot water on the go.

With a maximum flow rate of 2.64 GPM, this heater can easily supply hot water to multiple fixtures simultaneously. The oxygen depletion safety shut-off system and flame failure device ensure safe operation, even in enclosed spaces.

The Camplux BW211’s impressive 2.64 GPM flow rate allows you to run multiple fixtures simultaneously.

Pros

• Powerful heating performance
• Easy to set up and use
• Durable construction
• CSA certified for safety

Cons

• Higher price point compared to some other models
• Some assembly required for first use

Regular maintenance, including cleaning the water inlet filter and inspecting gas connections, can help extend the life of your portable water heater and ensure optimal performance.

6. Hike Crew Portable Propane Water Heater & Shower Pump

The Hike Crew Portable Propane Water Heater & Shower Pump is an all-in-one solution for hot water and showering in the great outdoors. Its integrated shower head and pump make it easy to set up and use, while the compact size ensures easy transport and storage.

With adjustable water flow and gas control, you can fine-tune the water temperature and pressure to your preference. The automatic ignition and shut-off features provide added convenience and safety.

Pros

• All-in-one design for convenience
• Easy to set up and use
• Adjustable water flow and temperature
• Compact and portable

Cons

• Shorter shower hose length
• May not be as powerful as some dedicated propane heaters

When descaling your portable water heater, use a solution specifically designed for the task and follow the manufacturer’s instructions carefully to avoid damaging the unit.

Final Thoughts

A portable water heater can greatly enhance outdoor adventures and off-grid living experiences. By considering factors such as fuel type, flow rate, and portability, you can find the perfect heater to meet your needs.

Our top picks include the Eccotemp L10 for its powerful performance and compact size, the Camplux 5L for its affordability and easy operation, and the EcoTouch Portable Tankless Water Heater for its energy efficiency and convenience.

No matter which portable water heater you choose, you’ll enjoy the convenience and comfort of hot water wherever your adventures take you.

Frequently Asked Questions

1. Can I use a portable water heater indoors?

It depends on the model. Some propane heaters are designed for outdoor use only, while electric heaters can be safely used indoors. Always follow the manufacturer’s guidelines for safe operation.

2. How long do portable water heaters last?

A portable water heater can last several years with proper maintenance and care. Regular cleaning and inspections can help extend the heater’s lifespan.

3. Can I adjust the water temperature on a portable water heater?

Yes, most portable water heaters feature adjustable temperature controls, allowing you to fine-tune the water temperature to your preference.

4. How do I maintain my portable water heater?

Regular maintenance tasks include cleaning the water inlet filter, inspecting the gas connections, and descaling the heating elements. For specific maintenance instructions, consult your owner’s manual.

Water heaters are one of those appliances that usually sit forgotten in a basement or utility room until something goes wrong. When it does, it can put a serious crimp in your lifestyle.

If you’re faced with a broken unit, the goal is to get a new heater in place as quickly as possible. Because water heaters are big-ticket items, it’s smart to think about the kind of water heater you want before it’s time for a replacement.

Water heaters, on average, use 17 percent of a household energy budget. That’s more than any other home appliance, so it’s important to know how they operate. This guide will show how the most common types of water heaters work and what to consider when it comes time to replace the unit.

Homeowners are increasingly shopping around for water heaters with energy saving and “smart” features.

Water Heater Basics

Water heaters come in three broad categories: conventional tank, tankless and hybrids.

Storage Tank Water Heaters. These are the most conventional water heaters. An insulated tank keeps water at a preset temperature—usually around 120 degrees—until you open a hot water tap. As you use the water, cold water flows into the tank to be heated. Tank water heaters vary in capacity from 20 to 80 gallons. They are powered by electricity, propane gas, natural gas or oil. In electric units, heating elements located inside the tank heat the water. Gas and oil water heaters contain a combustion chamber located under the holding tank. A flue goes up through the center of the tank so that combustion gases can be vented to the outside.

Most gas water heaters rely on the natural draft of a chimney to vent the unit, but some models have a direct vent system where a fan expels the combustion gases. These types do not need a chimney and can be vented through a pipe that runs horizontally through a sidewall.

A conventional gas storage tank water heater

Tankless Water Heaters. Unlike tank models that keep hot water on hand, tankless heaters heat up the water when you call for it, eliminating the wasted energy it takes to keep water at a set temperature. The Department of Energy estimates that for a family that uses about 40 gallons of water a day, a tankless heater is 24 to 34 percent more efficient than a conventional tank model. But the efficiency does drop off considerably if you use a lot of hot water.

“These heaters are perfect for some lifestyles, but not all,” -Merle Henkenius, a licensed master plumber.

Compared with a full-size tank, tankless heaters are small. They can be hung on a wall, freeing up floor space. They are powered by electricity or gas. Tankless heaters are available in both indoor and outdoor models.

A whole-house tankless water heater.

Link to Macro

Hybrid Water Heaters. This is a catch-all term that includes heat pump water heaters, condensing units and indirect water heaters. Most hybrid technologies were developed to make water heating more energy efficient.

*Heat Pump Water Heaters. These use electricity to extract heat from the surrounding air to help heat the water in the tank. A heat pump works like an air-conditioner in reverse. An air conditioner pulls warm room air into the unit, removes the heat from the air, and then dumps heat that it extracted from the room air outside. Rather than dump the heat, a heat pump water heater uses the extracted heat to warm the water. When the heat pump cannot handle the demand, backup electric elements take over. These units are extremely energy efficient.

*Condensing Water Heaters. These are available in both tank and tankless models and are powered by gas. These units use some of the hot gases created during the combustion process to heat the water, rather than venting all of the gas to the outside.

*Indirect Water Heaters. In these systems, the water heater storage tank is connected to a boiler or furnace. The unit heats fluid that is circulated to the storage tank, where a heat exchanger warms the water.

*Solar Water Heaters. These circulate fluid through rooftop solar collectors. The fluid heats the water in the storage tank.

Smart Water Heaters. A few manufacturers have developed water heaters with WiFi capability, meaning you can control them through a smartphone or tablet. These products are more sophisticated than standard water heaters. They have electronic controls and thermostats, making them more precise and easier to use. They can also run diagnostics on themselves to spot potential problems.

Home appliances, including water heaters, are increasingly outfitted with WiFi capability to enable money and energy-saving control from your devices.

Factors to Consider When Buying a Water Heater

When it is time for a new water heater, a good place to start is to consider what you have now. If the old unit provided plenty of hot water and you were satisfied with it, consider simply replacing the unit. Even if you install a standard tank water heater, the new model will probably be more energy efficient than the old one, thanks to updated energy standards that went into effect in . However, there are many more energy saving options available to choose from. If you are unsatisfied with your water heater’s performance, you may want to consider one of the alternatives mentioned above.

The following are other important considerations for this major purchase:

Warranties

Water heaters come with warranties. In general, the longer the warranty, the more the unit will cost. Expect to see warranties from 6 to 12 years, but lifetime warranties are available. Choose a model with a warranty you are comfortable with.

Sizing for Tank Water Heaters

Residential tank water heaters, including heat pump water heaters, vary in capacity from 20 to 80 gallons. Of course, meeting the local building code is one aspect of sizing a unit. Another rule of thumb is to base the size on the number of people who regularly use hot water in the house.

Here’s a guide:

NUMBER OF PEOPLE IDEAL GALLON CAPACITY 1-2 23-36 2-4 36-46 3-5 46-56 5 or more 56 or higher

How many people live in the house (or could live there in the future) is a factor in determining the size water heater that you need.

In addition to tank capacity, you should consider the First Hour Rating of the unit. This tells you how much hot water the unit will provide during a set period. Think of your household first thing in the morning. The water in the heater is at its set temperature. Then people start using the hot water. As they do, cold water rushes into the tank, mixing with the remaining hot water. The water heater senses a drop in water temperature and clicks on. All at once, hot water leaves, cold water enters and the unit works to keep up with the changes.

The First Hour Rating takes into account the size of the tank, the efficiency of the heater and even the temperature of the cold water entering the tank. It can help determine the size of the heater you need based on peak demand periods. You will find it listed on the yellow energy label attached to the water heater and in the manufacturer’s literature.

Sizing for Tankless Water Heaters

Because there is no storage tank, tankless models are sized by the gallons per minute (GPM) of water they can deliver. Find the right size for you by estimating your peak water demand. You may have to consult with a plumber to estimate your demand, but here are some averages for various plumbing fixtures.

Shower and Bathtub 2.5 GPM Clothes Washer 3.3 GPM Kitchen and Bathroom Sinks 2.2 GPM Dishwasher 1.3 GPM

Source: Energy Star  http://www.energystar.gov/products/water_heaters/water_heater_whole_home_gas_tankless

Homes in colder climates may require more powerful hot water heaters.

You will also need to consider the temperature of the incoming water to determine how much the heater needs to raise the temperature of the water. Cold water temperatures range from an average of 35–40 degrees in the extreme North to 65–70 degrees in the South. The difference between the incoming cold water and the hot water leaving the unit is called the temperature rise. The maximum GPM for a unit may be 8 or 9 GPM, but if the unit must raise the temperature 70 degrees, the effective GPM could be cut in half. The manufacturer’s literature will provide GPM at different incoming water temperatures.

Energy Efficiency

There are two ways to pick a water heater based on energy efficiency. One is the EnergyGuide Label that comes with each unit. It displays the estimated cost for running the unit when compared with similar models. If the label shows the Energy Star logo, it means the appliance exceeds basic requirements and meets more stringent criteria for energy efficiency.

The other is to consider the water heater’s energy factor (EF), which you can find in the manufacturer’s literature. This number reflects the efficiency of the heater in converting fuel—natural gas, propane and the like—into hot water. The EF is expressed as a decimal. An EF of 1 means that 100 percent of the energy is converted to hot water. For example, an efficient gas storage water heater might have an EF of .75. Some tankless water heaters can have an EF of .90-plus. A heat pump water heater might have an EF of 2.5 or higher, which means the heat pump produces more energy than it consumes.

Here’s how products that meet minimum energy standards that went into effect in April of compare with products that meet minimum Energy Star requirements.

Type of Water Heater New Minimum EF Requirements Energy Star EF Requirements 50-Gallon Gas Water Heater 0.60 > 0.67 50- Gallon Electric Water Heater 0.95 > 2.0 Tankless Water Heater 0.82

0.90

Sources: DOE National Appliance Energy Conservation Act; Energy Star Product Criteria: http://www.energystar.gov/products/water_heaters/residential_water_heaters_key_product_criteria

In general, highly efficient water heaters cost more than conventional models. A heat-pump water heater can cost three times that of a conventional heater of the same size. But energy efficient products are designed to reduce energy use and save money in the long run.

Tax Credits

Federal tax credits for energy efficient appliances, including non-solar water heaters, apply to items purchased in and , but the credit is scheduled to expire at the end of . You can claim 10 percent of the cost of the unit up to $300.

The items that qualify include heat-pump water heaters with an energy factor that is equal to or greater than 2, and gas and oil water heaters with an energy factor that is greater than or equal to .82, or a thermal efficiency of at least 90 percent.

Those who install solar water heaters can earn a 30 percent credit. The solar credit expires at the end of .

If you install energy efficient equipment in your home, check the local utility for other rebate programs.

Installations

While water heaters are not particularly complicated devices (especially conventional models with a storage tank), they should still be installed by a licensed plumber. A plumber will be familiar with the local building code requirements, and he will be able to handle any problems that may crop up.

One thing to keep in mind if you plan on swapping out an old unit with a new one of the same size: If the water heater was manufactured after the new energy requirements went into effect in April , it may be an inch or two larger in height and circumference. Manufacturers beefed up the insulation on units to help meet the new requirements. It is something to keep in mind if space is tight around an old water heater, and another reason to hire a pro to install the unit.

To protect your home and family, hire a professional when installing a new water heater or conducting significant repairs.

Here are some items that may be required with your new water heater.

• Building Permit. If you or your contractor applies for a permit, the finished installation will be inspected by a building inspector. This is one way to help ensure you have a safe installation.
• Dedicated Shutoff Valve. If there isn’t a valve attached to the cold water line just before it enters the water heater, the plumber will install one. The valve lets you shut off water to the water heater for maintenance and repairs without disturbing the rest of the home’s water system.
• Expansion Tank. When water inside the tank is heated, it expands, creating more volume. That extra volume has to go somewhere. In a “closed” plumbing system, the expanded volume that would normally backflow into the main water supply is blocked by a valve. The pressure builds up within your home’s plumbing system, and that’s where the expansion tank comes in. It contains a bladder with pressurized air on one side. It gives the extra volume of water someplace to go. When you turn on a hot water tap or the water in the tank cools, the pressure is relieved.
• Earthquake Straps. Some building codes, particularly in the West, require that water heaters be anchored to wall studs or approved blocking with metal straps.
• Drip Pans. Even if they are not required by code, drip pans are a good idea, especially if a leaky tank will cause damage. Most contain a drain fitting so that you can attach a hose to the pan. You can also get a battery operated leak detector that can be placed near the water heater or in the pan for under $20. This will alert you if there are problems.

The life expectancy of a typical unit is 10 to 20 years, depending on the type and model. Ensure you get the best performance possible: Carry out simple maintenance tasks, and know when to call a plumber. Read the manual carefully and perform any routine upkeep required to make the most of your unit’s lifespan.

How to Reduce Water Heating Costs

Here are tips for reducing water heating bills.

• Replace old equipment with energy efficient models.
• Install low-flow shower and faucet heads.
• Reduce the water temperature in your water heater by adjusting the unit’s thermostat.
• Wash your clothes in cold water.
• Choose water saver cycles when using the dishwasher.
• Fix dripping hot water faucets.

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