5 Gallon Water Heater

The Best 5 Gallon Water Heater

Here are some of the best 5 Gallon Water Heaters on The Trade Table:

Rinnai RE Series 5.3 GPM 140,000 BTU 120 Volt Non-Condensing Liquid Propane Tankless Water Heater

The Rinnai RE Series 5.3 GPM Liquid Propane Tankless Water Heater is built for efficient indoor performance, offering up to 140,000 BTUs to meet moderate to high hot water demands. It provides a flow rate between 0.26 and 5.3 GPM and features a compact copper heat exchanger, LED display, and programmable service reminders for easy use and maintenance. Designed for wall-mounted indoor installations, this non-condensing model runs on propane and supports optional accessories like leak detection and freeze protection for enhanced safety and reliability.

Eccotemp Smarthome SHLX Indoor 4.5 GPM Indoor Tankless Water Heater

The Eccotemp SmartHome SHLX Indoor Tankless Water Heater delivers 4.5 GPM of hot water and offers smart control via the Eccotemp app, Amazon Alexa, or Google Home. Designed for small to medium homes, this energy-efficient unit supports both propane and natural gas, and includes features like a sleek glass front, adjustable temperatures (95–140°F), and Eco Mode for reduced energy use. With CSA certification, app-based settings, voice command capabilities, and a 5-year heat exchanger warranty, it's a compact, modern solution for dependable, on-demand hot water.

Frequently Asked Questions About The 5 Gallon Water Heater

Here are some Frequently Asked Questions about the 5 Gallon Water Heater:

What Is A 5 Gallon Water Heater

A 5 Gallon Water Heater is a compact unit designed to heat and store up to 5 gallons of water. It's commonly used in small spaces like under sinks, RVs, or garages. These heaters work well for single fixtures or light use. They’re ideal when a full-sized water heater isn’t needed.

How Long Does It Take For A 5 Gallon Water Heater To Heat Water

Most 5 Gallon Water Heaters heat water in about 20 to 30 minutes, depending on the model and power supply. Electric models may take a bit longer than gas ones. The time also depends on your incoming water temperature. Once heated, it’s ready for quick use.

Can A 5 Gallon Water Heater Provide Enough Hot Water For A Shower

A 5 Gallon Water Heater usually doesn’t hold enough hot water for a full-length shower. It’s best for handwashing, dishwashing, or brief rinses. If you need it for a shower, consider using it with a low-flow showerhead. For longer showers, a larger tank is recommended.

Where Should I Install A 5 Gallon Water Heater

You can install a 5 Gallon Water Heater under a sink, in a cabinet, or near the point of use. It’s perfect for areas where space is limited. Always follow the manufacturer’s guidelines for safe placement. Make sure it's near a power or water connection.

Is A 5 Gallon Water Heater Energy-Efficient

Yes, a 5 Gallon Water Heater can be energy-efficient for small-scale use. It only heats the water you need, which reduces standby heat loss. Many models come with insulation to help maintain temperature. They’re a smart option for cutting energy use in small areas.

What Are Common Uses For A 5 Gallon Water Heater

These water heaters are often used in RVs, garages, wet bars, or guest bathrooms. They’re great for handwashing, rinsing, or light dishwashing. Some people install them in offices or tiny homes. Basically, they’re meant for small or single-use tasks.

Can I Install A 5 Gallon Water Heater By Myself

Yes, many 5 Gallon Water Heaters are designed for simple DIY installation. You'll need basic plumbing and electrical skills. Always turn off power and water before starting the setup. If you're unsure, it’s best to call a professional.

How Much Electricity Does A 5 Gallon Water Heater Use

A 5 Gallon Water Heater typically uses between 1200 to 1500 watts. The exact usage depends on the model and how often it's heating. Because of its small size, it consumes less energy than larger tanks. It’s efficient for short, occasional hot water needs.

Does A 5 Gallon Water Heater Need A Dedicated Circuit

Some models do require a dedicated circuit, especially if they draw higher wattage. Always check the manufacturer’s electrical specifications. If the heater shares a circuit, it could trip the breaker. For safety and performance, a dedicated line is recommended.

How Long Does A 5 Gallon Water Heater Last

A good 5 Gallon Water Heater can last anywhere from 6 to 10 years. Proper maintenance, like flushing it regularly, helps extend its life. Water quality can also affect its longevity. Choose a quality brand and keep an eye out for signs of wear.

What Is The Recovery Time For A 5 Gallon Water Heater

Recovery time is the period it takes to reheat the water after it's been used. For a 5 Gallon Water Heater, this is typically around 20 to 30 minutes. It depends on the heater’s power and how cold the incoming water is. Shorter recovery is ideal for quick tasks.

Can A 5 Gallon Water Heater Be Mounted Under A Sink

Yes, most 5 Gallon Water Heaters are compact enough to fit under a standard sink. They’re designed for tight areas and point-of-use heating. Just ensure there’s enough space and proper ventilation. Secure mounting and safe water connections are important.

Is A 5 Gallon Water Heater Good For An RV

Absolutely, a 5 Gallon Water Heater works well in RVs due to its size and simplicity. It provides just enough hot water for basic tasks. Many models are built with RVs in mind. Just be sure it fits your power source and space.

Can I Use A 5 Gallon Water Heater In A Mobile Home

Yes, many people install these units in mobile homes. They’re efficient for limited water needs and don’t take up much space. Always verify that the model meets mobile home safety standards. Proper ventilation and electrical setup are key.

Does A 5 Gallon Water Heater Need Regular Maintenance

Yes, like any water heater, regular maintenance helps it run well and last longer. Flushing it once or twice a year removes sediment. Check for leaks or corrosion too. Keep it clean and follow the manual's maintenance tips.

What Temperature Should I Set My 5 Gallon Water Heater To

A good setting for most uses is between 120°F and 125°F. This is hot enough to clean without being scalding. Higher temps may increase energy use and risk burns. Lower settings save energy but may not kill bacteria.

Can I Use A Timer With A 5 Gallon Water Heater

Yes, using a timer is a smart way to reduce energy use. It allows the heater to run only when needed. This is useful if you’re using it at set times during the day. Just make sure the timer matches the heater’s voltage.

Does A 5 Gallon Water Heater Need A Pressure Relief Valve

Yes, it typically needs a pressure relief valve for safety. This valve releases excess pressure if the tank gets too hot or builds pressure. Some models come with one installed. Always install one if it’s not included.

What Size Breaker Is Required For A 5 Gallon Water Heater

Most 5 Gallon Water Heaters require a 15-amp or 20-amp breaker. It depends on the wattage and voltage of the unit. Check the manufacturer’s label for exact requirements. Always match the breaker and wiring to the heater’s specifications.

Can I Plug A 5 Gallon Water Heater Into A Standard Outlet

Some models are designed for 120V outlets and can be plugged in easily. Others may require hardwiring or a higher voltage connection. Always check the power requirements before installation. Using the wrong outlet could cause damage or safety issues.

Is A 5 Gallon Water Heater Safe For Outdoor Use

Most 5 Gallon Water Heaters are designed for indoor use only. Exposure to rain, snow, or extreme temperatures can damage the unit. If you need one outdoors, look for models specifically rated for exterior installation. Always protect it from the elements if placed outside.

Can A 5 Gallon Water Heater Freeze In Cold Weather

Yes, if exposed to freezing temperatures, the water inside can freeze and damage the tank. This is especially a concern in unheated areas or outdoor setups. To prevent freezing, drain the unit or insulate it properly during cold months. Some models have built-in freeze protection.

How Do I Drain A 5 Gallon Water Heater

To drain it, turn off the power and water supply first. Then open the drain valve or disconnect the water lines and let the water flow out. This helps remove sediment and prevent buildup. Always follow the user manual for your specific model.

Can A 5 Gallon Water Heater Be Used As A Backup Water Source

Yes, it can serve as a backup for specific sinks or appliances. It’s helpful during repairs or when your main water heater is off. Just remember its small size limits how much hot water you’ll get. It’s best suited for short-term or emergency use.

Does A 5 Gallon Water Heater Need A Vent

Electric models usually don’t need a vent, which makes installation easier. Gas-powered units, however, do require proper ventilation. Always follow the manufacturer’s recommendations. Poor ventilation can lead to safety hazards with gas models.

How Do I Winterize A 5 Gallon Water Heater

To winterize, drain all the water from the tank and disconnect power. You can also add non-toxic antifreeze if recommended by the manufacturer. This helps prevent freezing and cracking during cold weather. Always follow winterization steps in the manual.

Is A 5 Gallon Water Heater Suitable For A Tiny House

Yes, it’s a great option for tiny homes where space is limited. It provides hot water for basic tasks without taking up much room. Make sure it meets your water usage needs. Many tiny home owners find it efficient and reliable.

What Features Should I Look For In A 5 Gallon Water Heater

Look for fast recovery time, good insulation, and ease of installation. An adjustable thermostat and safety features like a pressure relief valve are also important. Compact design and energy efficiency help it perform well in small spaces. Choose a trusted brand for reliability.

Can A 5 Gallon Water Heater Be Connected To A Dishwasher

Yes, it can supply hot water to a small dishwasher if located nearby. Check that the water heater meets the dishwasher’s temperature requirements. Some dishwashers may need higher temps than the heater provides. Keep the water line as short as possible for best results.

How Often Should I Flush A 5 Gallon Water Heater

It’s a good idea to flush it every 6 to 12 months. Flushing helps remove sediment that builds up inside the tank. This keeps it running efficiently and can extend its life. Just follow the steps in the manual to do it safely.

Where To Buy A 5 Gallon Water Heater?

You can buy a 5 Gallon Water Heater at The Trade Table.