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Tankless Water Heaters Home of the $39 Service Call

Tankless Water Heaters in Stockton 

Energy Efficient Hot Water On Demand in the Central Valley 

When replacing your water heater, there are many options for water heater styles, fuel sources, and more. Rod Johnson Air Inc can help you enjoy a continuous supply of hot water with quality tankless water heaters in Stockton and the Central Valley. We deliver quality products, expert installations, and work hard to make sure our customers are satisfied. 

Get an Estimate Today

At Rod Johnson Air Inc, we can help you determine your hot water needs to ensure that your new water heater will meet your demand. Our technicians have extensive training and product knowledge to help you compare tankless water heaters in Stockton, answer your questions, and provide a free estimate for your installation. We make sure your new water heater is installed for optimal performance and energy efficiency. 

If you are interested in a tankless water heater, call (209) 340-0550 to learn about the options and get a free estimate for your new water heater installation. 

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Our Mission is Your Comfort

  • Over 50+ Years of Experience
  • we listen to your needs and concerns
  • Always on time and respectful
  • Locally owned and operated
  • Up-to-date on the latest technology
  • Knowledgeable in most HVAC system types
  • Going above-and-beyond to help our customers

Save Energy & Money with a Tankless Water Heater 

Tankless water heaters allow you to enjoy all the hot water you need when you need it without excessive energy costs. When it comes time to upgrade to a new water heater, there are many advantages to ditching the tank for tankless water heaters in Stockton. 

A tankless water heater offers advantages for: 

  • Hot water on demand – The water heater only heats the water when you turn on a faucet or water-using appliance. This means you will always have hot water when you need it. 
  • Energy efficiency – Since energy isn’t wasted keeping water heated in a storage tank, tankless models offer greater energy efficiency. Tankless water heaters use about 30-50% less energy than a tank water heater. 
  • Compact size – There is no storage tank, which makes these water heaters better for places where space is limited. 
  • Longer lifespan – A tankless water heater can last up to 20 years. This is about twice as long as the typical tank water heater. 

When you decide to make the switch to a tankless water heater, you will need to choose the right model for your home. Although there is no storage tank, the size and capacity of the water heater are still important. You need to make sure that the water heater has the capacity needed to meet your family’s hot water demand. 

Signs You Need Tankless Water Heater Replacement

Typically when a tankless water heater is first installed you don't often think of when you'll need to replace it. Until something happens and you hot water isn't hot anymore. A faulty water heater is never a fun thing for your household to experience and shouldn't be one you have to experience for very long. Below we have 3 signs to look for in order to know when it's time to replace your tankless water heater.

  • Energy Bills are Increasing -
    If you notice that your energy bills are on the rise, it could be that your tankless water heater either needs repair or needs to be replaced altogether. When you are in need of Stockton tankless water heater replacement, contact us at Rod Johnson Air Conditioning for the help you and your home needs.
  • System Makes Weird Sounds -
    If your tankless water heater is making odd noises, it may be time to look into replacing your unit. If you are hearing cracking or banging from your system, don't hesitate to give us a call.
  • Water Pressure is Low -
    If your home's water pressure seems to be lower than normal, it could be that your unit has a leak and is in need of our expert Stockton tankless water heater replacement services. 

in addition to the size, the fuel type is also important. Tankless water heaters are available in electric or natural gas models. Electric water heaters heat the water with heating elements. Gas water heaters use gas burners to heat the water on demand. You need to consider the fuel availability and cost when choosing the right water heater for your home. An experienced technician can help you select the best water heater, handle your installation, and provide reliable maintenance and repair services. Make sure to check out our reviews and see what everyone is saying.


Please contact us at (209) 340-0550 to request an estimate and schedule your tankless water heater installation. 


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  • Wonderful experience!

    "Our heater stopped working during a cold spell and they were able to make an appointment for the same day we called. Basem was incredibly polite and knowledgeable. He was able to service and reset the unit and get it working immediately."

    - Allison B.
  • We will definitely use this company again.

    "We were very impressed with our technician, Bassem. He was very knowledgeable and explained the nature of the issue with our heater. He was polite and answered all of our questions."

    - Veneta D.
  • Great customer service and very efficient!

    "I had the opportunity to meet Glenn and have him work on my maintenance issues! He was very polite and professional! Will definitely be calling you guys back for more business in the future."

    - Vanessa S.
  • Very respectful and good customer service.

    "Yong Chen was so helpful and very informative. He shows interest on the job and asked if there's anything we need to know to maintain the heater. Very respectful and good customer service. Hope to have again next time."

    - Alex D.
  • 10/10 I will definitely use them again!

    "Glenn came and installed my thermostat and was very professional and clean. I was very impressed with what a great job and how fast he did it."

    - Christina R.