Tankless water heaters go outdoors! discover the pros and cons of external install

Yes, tankless water heaters can be installed outside, offering several advantages over indoor installations. This comprehensive guide will delve into the key considerations, benefits, and step-by-step instructions for installing a tankless water heater outdoors.

Benefits of Outdoor Tankless Water Heater Installation

1. Space Savings: Tankless water heaters are compact and can be installed outdoors, freeing up valuable indoor space.

2. Improved Ventilation: Outdoor installations provide better ventilation for combustion gases, reducing indoor air pollution.

3. Corrosion Resistance: Outdoor models are often more corrosion-resistant than indoor units due to their protective coatings.

4. Noise Reduction: Tankless water heaters can be noisy, and installing them outdoors minimizes noise levels inside the home.

Considerations for Outdoor Tankless Water Heater Installation

1. Climate: Tankless water heaters require cold water to operate efficiently. In extremely cold climates, additional insulation may be necessary.

2. Location: Choose a location that is protected from wind and rain, and ensure there is adequate space for servicing and maintenance.

3. Ventilation: Proper ventilation is crucial for safety and efficient operation. Install a vent pipe that extends above the roofline.

4. Plumbing: Ensure that the water supply and gas lines are properly sized and connected.

Step-by-Step Outdoor Tankless Water Heater Installation

1. Choose a Location: Select an appropriate location that meets the considerations outlined above.

2. Prepare the Site: Create a level surface for the water heater and secure it to the ground using bolts.

3. Connect the Water Supply: Connect the cold water supply line to the water heater inlet.

4. Connect the Gas Line: Connect the gas line to the water heater gas inlet, using a certified gas technician if required.

5. Install the Vent Pipe: Attach the vent pipe to the water heater exhaust outlet and extend it above the roofline.

6. Connect the Electrical Wiring: Connect the electrical wiring to the water heater according to the manufacturer’s instructions.

7. Test the System: Turn on the water supply and gas and check for any leaks. Test the water heater by running hot water through the fixtures.

Advantages of Outdoor Tankless Water Heaters

1. Energy Efficiency: Tankless water heaters heat water only when needed, significantly reducing energy consumption.

2. Endless Hot Water: Tankless water heaters provide an endless supply of hot water, eliminating the need for a storage tank.

3. Compact Size: Tankless water heaters are much smaller than traditional storage water heaters, saving valuable space.

4. Long Lifespan: Tankless water heaters typically have a longer lifespan than storage water heaters, with some models lasting up to 20 years.

Disadvantages of Outdoor Tankless Water Heaters

1. Cold Weather Performance: In extremely cold climates, tankless water heaters may require additional insulation or protection.

2. Installation Cost: Outdoor tankless water heater installation can be more expensive than indoor installations due to the need for additional plumbing, venting, and electrical work.

3. Maintenance: Outdoor tankless water heaters require regular maintenance, including annual cleaning and inspection.

Recommendations: The Versatility of Outdoor Tankless Water Heaters

Installing a tankless water heater outdoors offers numerous benefits, including space savings, improved ventilation, corrosion resistance, and noise reduction. While there are some considerations to keep in mind, the energy efficiency, endless hot water supply, and extended lifespan make outdoor tankless water heaters an attractive option for many homeowners.

Questions We Hear a Lot

1. Can I install a tankless water heater in a cold climate?

Yes, but additional insulation or protection may be necessary to prevent freezing.

2. How much does it cost to install an outdoor tankless water heater?

Installation costs vary depending on the location, complexity, and model chosen.

3. How often should I service my outdoor tankless water heater?

Annual cleaning and inspection are recommended for optimal performance.

4. What is the lifespan of an outdoor tankless water heater?

Outdoor tankless water heaters typically have a lifespan of 10-20 years.

5. Can I connect multiple fixtures to an outdoor tankless water heater?

Yes, but the flow rate and capacity of the water heater must be sufficient to meet the demand.

6. How do I protect my outdoor tankless water heater from corrosion?

Choose a model with a corrosion-resistant coating or apply additional protective measures.

7. What are the safety precautions for installing an outdoor tankless water heater?

Follow all manufacturer’s instructions, ensure proper ventilation, and have gas connections inspected by a certified technician.

8. Can I install an outdoor tankless water heater myself?

While possible, it is recommended to hire a licensed plumber for professional installation and safety.

9. What is the best location for an outdoor tankless water heater?

Choose a protected location with adequate ventilation and space for servicing.

10. How can I reduce energy consumption with an outdoor tankless water heater?

Use energy-efficient fixtures, reduce hot water usage, and schedule regular maintenance.