The demand for energy-efficient and space-saving appliances continues to grow, and one innovation that has been capturing the attention of Los Angeles homeowners is the tankless water heater. 

As opposed to traditional water heaters with large storage tanks, tankless water heaters rapidly heat water on-demand, supplying your home with an almost endless stream of hot water while saving energy and space. 

If you’re planning a bathroom remodel or considering an upgrade to your current water heating system, it’s crucial to understand the benefits and potential challenges of installing a tankless water heater in your Los Angeles home.

In this comprehensive guide, we will explore the advantages and considerations of tankless water heaters – from increased energy efficiency and endless hot water supply to installation costs and maintenance requirements. We will also discuss how to choose a suitable tankless water heater based on your home’s size and family’s hot water usage. 

By understanding the ins and outs of this increasingly popular technology, you will be well-equipped to make an informed decision about whether a tankless water heater upgrade is right for your home.

Installing a tankless water heater in your Los Angeles home can provide numerous benefits and conveniences that enhance your daily life and comfort. However, it is essential to weigh the factors, such as initial costs and maintenance, and consider whether this energy-saving appliance aligns with your home’s design, hot water needs, and long-term goals. 

Our team of experts at John’s Plumbing & Drain Services is here to help guide you through the process and ensure the successful installation of a tankless water heater that meets the unique demands of your home and family.

Advantages of a Tankless Water Heater

There are several considerable benefits to upgrading to a tankless water heater in your Los Angeles home, which include:

  • Energy Efficiency: Tankless water heaters only heat water as it is needed, which can result in significant energy savings compared to traditional tank water heaters that continuously heat a large volume of stored water.
  • Endless Hot Water Supply: Since tankless water heaters heat water on demand, there is no need to wait for a tank to fill up or worry about running out of hot water during peak usage times like early morning showers.
  • Space-saving Design: Tankless water heaters are compact and can be mounted on walls, enabling homeowners to free up valuable floor space in their homes.
  • Extended Lifespan: Tankless water heaters tend to last longer than traditional tank water heaters, with an average lifespan of 20 years or more.

Installation Considerations and Costs

While tankless water heaters offer many benefits, it is also important to consider the installation process and associated costs:

  • Upfront Costs: Tankless water heaters typically have a higher initial cost compared to traditional tank water heaters. However, the long-term energy-saving benefits and extended lifespan often offset these initial expenses.
  • Retrofitting Requirements: Tankless water heater installations may require upgrades to your home’s plumbing, gas lines, and electrical systems, adding to installation costs.
  • Sizing and Capacity: It is crucial to choose a tankless water heater with the right capacity to meet your household’s hot water needs. Factors to consider include flow rate, the number of simultaneous users, and appliance requirements.

Maintenance and Care

Proper maintenance is key to ensuring optimal efficiency and a longer lifespan for your tankless water heater:

  • Regular Servicing: To protect your investment and maintain its performance, it is recommended to have your tankless water heater professionally serviced at least once every two years.
  • Flushing: Periodically flushing your tankless water heater to remove mineral deposits and sediment build-up is essential to prevent damage and maintain energy efficiency.
  • Inspection: Regularly checking your unit’s venting system, gas connections, and water lines can help identify and resolve potential issues before they become serious problems.

Choosing the Right Tankless Water Heater for Your Home

Selecting the best tankless water heater for your Los Angeles home involves considering the following factors:

  • Fuel Type: Tankless water heaters are available in both electric and gas-fueled models. The former require less venting and installation modifications, while the latter often provide faster heating and larger capacities.
  • Flow Rate: The flow rate, measured in gallons per minute (GPM), determines the volume of hot water the unit can deliver. It’s essential to choose a model with a flow rate that meets the maximum hot water needs of your household.
  • Energy Factor Rating: Look for models with a high energy factor (EF) rating, which represents the unit’s energy efficiency. A higher EF rating means the heater is more energy-efficient, leading to lower utility bills.

Expert Guidance and Installation by John’s Plumbing & Drain Services

Tankless water heaters offer numerous benefits such as energy efficiency, endless hot water supply, and space-saving design, making them an appealing option for Los Angeles homeowners. However, it is important to weigh the installation considerations, including initial costs, retrofitting requirements, and maintenance, to determine if a tankless water heater is the best choice for your particular situation.

When you’re ready to upgrade to a tankless water heater or need expert advice on selecting the right model for your home, the experienced professionals at John’s Plumbing & Drain Services are here to help. As a trusted provider of residential plumbing services in Los Angeles, we ensure a seamless installation process tailored to your individual needs. Contact us today to discuss your tankless water heater options and start enjoying the benefits of this innovative technology in your home.

Our Team


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Our water heater began spewing water this morning.  John was the first plumber in the area to answer my call, and was able to get to my house within 10 minutes of the call.  He fixed the problem promptly and for what seemed to be a reasonable price.  He was friendly and informative.  I will definitely call John again and will recommend him to neighbors.  Thanks, John!
-Caitlin R


John has done numerous plumbing projects around my house and has always done excellent work.  He's quick to respond to my inquiry's and even replaced my water heater on a Sunday.  Most recently, I had him install a water purification system and new faucet.  His prices are reasonable and he will continue to be my go-to plumber.
-Rachel R.

Very helpful guy, thank you for the quick service and low service fee 🙂 Job well done.
-Sandra F.


These guys are the best! If you're looking for a legit plumber, call John's Plumbing & Drain Services in Atwater Village. Fairest price, honest and very knowledgeable!
-Ashley C.

Project: Install a Tankless Water Heater System

Comments: john and company were very efficient. they took their time and got the job done right. they replaced my standard water heater with a rinnai tankless water heater. while they were here, I also had them install a earthquake shut-off valve. great job at a reasonable price. I am keeping john as our regular plumber for the future.
Sergio S. in La Crescenta, CA

Project: Install, Repair or Replace Plumbing or Fixtures

Comments: My tenant is happy so I am happy. John was very patient with me and explained everything before he did the job. Very nice over the phone and I will use him again for future plumbing needs.

 Marilyn L. in Pasadena, CA

Project: Install, Repair or Replace Plumbing or Fixtures

Comments: I am very pleased. I've had John do the top priority job of repairing a leaking drainpipe and his work looks to be top notch. I'm definitely thinking of using him for the larger job of repiping the whole house (replacing the failing M-type copper with L-type). And again, John's bid is within my budget considerations. Highly recommended.

Homeowner in Glendale, CA

Project: Install or Replace a Water Heater

Comments: John was great. He gave me options and worked with me to find a solution that worked within my budget. Very professional. I will definitely use him again for any plumbing issues.

Laura W. in South Pasadena, CA

Project: Install or Replace a Water Heater

Comments: John was very responsive to my initial call, showed upon time and did excellent work at a fair price to replace my water heater. I highly recommend him and I plan to use him for future plumbing needs

Gary P. in Sherman Oaks, CA

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Comments: We had them run a snake from our sewer line out to the street, as we have lots of trees with roots that sometimes get into the line. They came as scheduled, did a great job and the price was as quoted.

Colleen L. in Pasadena, CA


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John's Plumbing & Drain Services

3847 Brunswick Avenue, LA, Ca, 90039

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