How to Install an Outdoor Tankless Water Heater?

Installing an outdoor tankless water heater can provide many benefits, including energy savings and a more compact design. The installation process can vary depending on factors such as the brand and model of the water heater, as well as the location of the installation.

Rinnai is a popular brand of tankless water heaters, with outdoor models available for installation. When installing an outdoor tankless water heater, it is important to consider the installation requirements, which can include proper ventilation and a suitable location.

It is possible to install an outdoor tankless water heater in a garage, but it is important to ensure that the location meets the requirements.

The cost to install an outdoor tankless water heater can vary depending on factors such as the location and complexity of the installation.

Here, it may be possible to install a tankless water heater outside, but it is important to consult with a professional to ensure that the installation is safe and meets all requirements.

Can You Install a Tankless Water Heater Outside?

Yes, but there are certain precautions and considerations to take into account when installing a tankless water heater outside.

➊ Climate: It is important to consider the climate of the area where you live when installing a tankless water heater outside. Cold weather can be especially damaging to the tankless water heater so you will want to make sure it is properly insulated and in a sheltered location out of the elements.

➋ Ventilation: The tankless water heater will require adequate ventilation for proper operation. It is important to make sure that the area where the tankless water heater is installed has enough airflow to ensure proper combustion and operation. This is especially important in colder climates where there could be a risk of carbon monoxide poisoning due to inadequate ventilation.

➌ Location: The tankless water heater should be installed in a location that is easily accessible for maintenance and repair. This is important to ensure that the tankless water heater can be serviced and maintained regularly to ensure it is working properly.

➍ Protection: The area where the tankless water heater is installed should be protected from the elements to ensure the longevity of the unit. This includes protection from rain, snow, wind, and extreme temperatures. This is especially important in colder climates.

➎ Electrical Requirements: The tankless water heater will require a dedicated electrical circuit for operation. This circuit should be installed by local electrical codes and regulations to ensure the safe operation of the unit.

➏ Plumbing Requirements: The tankless water heater will need to be connected to the home’s plumbing system. This will require a professional plumber to ensure that the connection is made properly and that the plumbing is up to code.

➐ Gas Requirements: If the tankless water heater is powered by natural gas or propane, it will need to be connected to the home’s gas line. This should be done by a qualified professional to ensure that the connection is made correctly and safely.

Read More: 6 Common Siogreen Tankless Water Heater Problems & Their Fixes

Advantages and Disadvantages of Installing a Tankless Water Heater Outside

The advantages of installing a tankless water heater outside include greater efficiency, lower energy costs, and fewer space requirements. Tankless water heaters require no tank and are generally more energy efficient than their traditional tank counterparts.

Furthermore, they do not require a large amount of space, making them ideal for smaller homes and apartments. Disadvantages of installing a tankless water heater outside include freezing and corrosion risks, higher initial costs, and limited hot water output.

Tankless water heaters are more susceptible to freezing in cold climates, as the water within them is not insulated by a tank.

The outdoor elements can cause corrosion in the pipes and components of the water heater, reducing its lifespan. Lastly, tankless water heaters can only provide a limited amount of hot water at one time due to their size.

Cost of Installing a Tankless Water Heater Outside

The cost of installing a tankless water heater outside can vary greatly depending on the complexity of the project. Generally, the installation of a tankless water heater will be significantly more expensive than a traditional tank-style water heater.

The costs associated with the installation include the cost of the unit itself, labor, materials, and any permits or inspections that are required.

Unit Cost: A tankless water heater is typically more expensive than a traditional tank-style water heater. The cost of the unit can range from $500-$2,500, depending on the size and features.

Labor Cost: The labor cost for installing a tankless water heater can range from $200-$900, depending on the complexity of the project. This cost should include the cost of the labor for the installation, as well as the cost of any inspections or permits that may be required.

Materials Cost: The cost of materials for installing a tankless water heater can range from $50-$400, depending on the type of materials needed and the complexity of the project. This cost should include the cost of any piping, valves, or other materials needed for the installation.

Permit and Inspection Cost: Depending on the location, a permit and inspection may be required to install a tankless water heater. The cost of obtaining these permits and inspections can range from $100-$500, depending on the jurisdiction and the complexity of the project.

Read More: Are Space Heaters Safe to Use Overnight?

Steps for Installing a Tankless Water Heater Outside

Step 1: Choose the Proper Location

When selecting an area for a tankless water heater, it is important to take into consideration the size and type of the unit. Outside installations require an appropriate location that is easily accessible for maintenance yet not too close to other combustible materials.

Step 2: Prepare the Site

Once the location has been determined, it is important to prepare the site. Clear any debris and vegetation from the area, and make sure there is a flat and level surface for the water heater. In addition, ensure there is adequate room for the installation of the venting system.

Step 3: Gather the Necessary Materials

Before starting the installation, make sure to gather all of the necessary materials, including the tankless water heater, the mounting bracket, and the venting components. It is important to carefully read all of the manufacturer’s instructions before beginning the installation.

Step 4: Connect the Water Lines

To connect the water lines, you will need to cut the pipes and then use fittings to connect the water heater to the pipe. It is important to make sure that the water lines are properly connected and sealed.

Step 5: Connect the Venting System

The venting system is an essential part of the installation process, as it ensures that the exhaust gases are safely vented away from the home. Carefully follow the manufacturer’s instructions when connecting the venting components, and make sure to use the appropriate materials and fasteners.

Step 6: Secure the Unit

Once the water lines and venting system are connected, it is important to secure the water heater to the mounting bracket. Make sure to use the appropriate fasteners and follow the manufacturer’s instructions for securing the unit.

Step 7: Test the System

The final step in the installation process is to test the system. Once the installation is complete, turn on the water and check for any leaks or other issues. Once the system is tested and approved, you can enjoy the benefits of a tankless water heater.

Tips for Installing a Tankless Water Heater Outside

Installing a tankless water heater outside requires meticulous planning and execution to ensure a smooth and successful installation. Here are some tips to help you install a tankless water heater outside:

1. Take measurements: Ensure that you have enough space for the unit, as it may need to be mounted on the wall. Also, measure the distance from the water source to the unit’s location.

2. Check the weather: Make sure that the weather is suitable for outdoor installation. Rain or winter frost can damage the unit.

3. Use the right pipes: Ensure that the pipes are suitable for outdoor use and are properly insulated.

4. Mount securely: Securely mount the unit on the wall with the help of a professional installer.

5. Connect to the power source: Properly connect the unit to a power source.

6. Test the system: Check the system for any leaks and make sure that it is working properly. These tips should help you ensure that your tankless water heater is installed correctly and safely.

Maintaining a Tankless Water Heater Outside

Maintaining a Tankless Water Heater Outside requires knowledge of the unit, proper insulation, and regular cleaning.

Cleaning: It is important to clean the unit regularly, especially after a period of inactivity. The exterior should be wiped down with a damp cloth and a mild detergent solution.

Insulation: Insulating the pipes and the unit will help maintain the temperature of the water and reduce energy costs. A professional may be required to properly insulate the tankless water heater.

Protection From Elements: The unit must be protected from the elements. If it is exposed to rain or snow, the water in the unit can freeze and cause damage to the system. If a protective covering is not available, the unit should be moved to an indoor location.

Ventilation: The unit must be properly ventilated to ensure that the water is heated efficiently. The vents should be checked regularly for clogs, and the air filter should be changed every few months.

Servicing: Regular maintenance and servicing should be done to ensure the unit is functioning properly. A professional should be called to inspect and service the unit at least once a year.

Conclusion

While it is possible to install a tankless water heater outside, it is not recommended due to the potential risks of having an exposed unit in the elements. If you must install a tankless water heater outside, be sure to protect it from weather and other elements, as well as provide adequate ventilation and insulation to ensure maximum efficiency and safety.