KaiTech Plumbing and Heating Ltd.
KaiTech Plumbing and Heating Ltd.
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      • Residential Plumbing
      • Plumbing Repair Services
      • Backflow Testing
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      • Kitchen Plumbing
      • Bathroom Plumbing
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      • Leak Detection Services
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    • Blog
Call: 403.945.8324
  • Home
  • Plumbing
    • Residential Plumbing
    • Plumbing Repair Services
    • Backflow Testing
    • New Home Construction
    • Kitchen Plumbing
    • Bathroom Plumbing
    • Water Treatment Services
    • Leak Detection Services
    • Drain Cleaning Services
    • Sump Pump Services
    • Sewer Video Inspection
    • Sewer Line Services
    • Commercial Plumbing
  • Heating
    • Gas Line Services
    • Boiler Services
    • In-Floor Heating Services
    • Garage Heaters
    • Radiant Heating Services
  • Water Heaters
    • Hot Water Tanks
    • Tankless Water Heaters
  • Contact Us
  • About Us
    • Why Choose Us?
    • Reviews
    • Service Areas
    • FAQs
    • Photo Gallery
  • Blog
Call: 403.945.8324

Tankless Water Heater Maintenance Services In Airdrie

Tankless water heater displayed on solid blue background.

Extend the Life Of Your Tankless Water Heater With Regular Maintenance

Although tankless water heaters are reliable and low-maintenance plumbing appliances, to perform efficiently they require annual routine maintenance. Two important reasons to service your tankless water heater yearly are: 


  • With regular use, normal wear and tear can loosen or damage essential mechanisms which can lead to tankless water heater repairs or even total unit replacement if the proper maintenance isn’t done annually.


  • Minerals found in hard water cause sediment buildup that negatively affects on-demand water heaters. As hard water circulates through a tankless water heater calcium and magnesium are left behind. These minerals overtime gradually build up within the heat exchanger and ports, eventually clogging up the passages until water can’t flow through smoothly.


Performing professional maintenance services regularly can avoid the issues noted above and ensure you get the most from your investment. Benefits of regular maintenance and descaling your tankless water heater include:


  • Efficient Performance:  If you continually remove mineral buildup with annual maintenance, your tankless unit will perform like new for the duration of its life span 


  • Fewer Breakdowns: Tankless water heaters that receive service annually are less likely to stop working suddenly than neglected units. A quick maintenance visit is all it takes to ensure you won’t have to deal with unexpected repairs or complete system failures.


  • Longer Life Span With Regular Maintenance: A tankless unit can last 20 years or more ensuring you get the most out of your unit.


Tankless water heaters are not cheap to replace and worth the time and money to maintain them regularly, because they will last twice as long as a conventional storage water heater if properly maintained. 


If your tankless water heater is acting up, don’t wait until it breaks down. Contact our tankless water heater experts today so that we can assess your unit and provide you with some options.

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What To Expect When Servicing Your Tankless Water Heater

Professional Tankless Water Heater Tune-Up: What’s Included

During a maintenance service call for your On-Demand Water Heater, a licensed plumber from our team will perform the following services:


  • Flush a solution through the burner system to remove mineral buildup.
  • Inspect Exhaust and clean as needed
  • Check and tighten all electrical connections, as needed.
  • Inspect and test the safety controls.
  • Check and calibrate the thermostat to promote efficient, predictable operation.
  • Check heater exchanger for any defects


These steps help ensure your tankless water heater continues to operate safely, efficiently, and reliably—giving you peace of mind and hot water on demand, year-round.

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Not getting hot water? Hearing strange noises? Call our licensed plumbers for prompt tankless water heater repair. We troubleshoot and repair all makes and models with clear pricing and upfront advice.


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If it’s time to upgrade, we’ll handle everything—from removal of your old unit to installing a new high-efficiency hot water tank. We serve both residential and commercial clients throughout Airdrie and Calgary.


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Tankless Water Heater Installation & Replacement

Tankless Water Heater Installation & Replacement

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Upgrade your home’s comfort and efficiency with professional installation and replacement services. We’ll help you choose the right system, ensure proper setup, and remove your old unit so you get reliable hot water from day one.


Review Our Tankless Installation Services

Schedule Service For Your Tankless Water Heater Today!

From diagnosing and repairing your old unit to providing you with replacement options and maintenance services, we make any tankless water heater service a hassle-free and convenient process. Proudly serving local homeowners, our team offers a full range of plumbing and heating services. Call us today to get your tankless water heater running like new again!

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Tankless Water Heater Tune-Ups

When Was The Last Time You Serviced Your Tankless Hot Water Heater?

The estimated life expectancy of a tankless hot water heater is twice as long as that of a traditional tank. However, actual performance varies depending on water quality, usage rates, environmental factors and regular maintenance. 


Calgary and surrounding areas have what is considered hard water, and over time a tankless water heater will accumulate mineral build up which can erode the walls inside your tank's heating chamber causing havoc on your system. In order to properly maintain and clean your tankless hot water heater it’s important to flush out those mineral deposits at least once a year. 


If it has been over a year since your last tankless water heater tune-up, get in touch with us and we'll have it running like new again!

Warning label on tankless heater explaining voided warranty due to scale buildup.

Tankless Water Heater Warranty Conditions

Faceless figure sitting on a question mark, symbolizing common questions about tankless maintenance.

Do You Know What Invalidates Your Tankless Hot Water Heater Warranty?

"Warranty shall be void in the event of an occurrence of any of the following... Improper maintenance including but not limited to, scale buildup, vent blockage, failure to maintain... Any damage caused by local adverse conditions including but not limited to water quality, hard water deposits, lime or mineral build-up..."

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Protect Your Tankless Water Heater from Hard Water Damage

Hard water can impact your tankless water heater's efficiency and lifespan. In this FAQ, we address common concerns and solutions to prevent costly repairs. For homeowners, regular maintenance and water softener installation are essential for optimal performance.

Hard water contains high levels of minerals such as calcium and magnesium. These minerals can build up inside your tankless water heater, especially in the heat exchanger and pipes. Over time, this mineral scale buildup can reduce the efficiency of your unit, restrict water flow, and even cause your heater to work harder, resulting in higher energy costs.


Yes. In tankless water heaters, mineral deposits from hard water can create a barrier between the heating element and the water. This causes the heater to work harder and longer to heat water, leading to increased energy consumption and higher utility bills. Regular maintenance helps to reduce this buildup and keep your unit running efficiently.


Absolutely. Mineral buildup caused by hard water can clog critical components like the heat exchanger, causing corrosion, poor water flow, and inefficient heating. If not addressed, this can lead to expensive repairs or even the need for a complete tankless water heater replacement. Regular descaling and professional maintenance can prevent this damage.


The most effective way to prevent hard water damage is to have your tankless water heater descaled annually. Additionally, installing a whole-home water softener can help reduce the mineral content in the water before it enters your heater, preventing scale buildup and extending the lifespan of your system.


Yes—both Calgary and Airdrie are known for their hard water. With high mineral content in the local water supply, it’s especially important for homeowners in these areas to perform regular tankless water heater maintenance. This will help prevent mineral deposits, keep the system efficient, and avoid costly repairs.


In Alberta, where hard water is common, it’s recommended to flush your tankless water heater once a year. Flushing removes mineral buildup (scale) that can clog the heat exchanger, reduce efficiency, and even cause your system to stop producing hot water.  Our team provides professional flushing and descaling services in Airdrie and Calgary, helping you get the most out of your investment.


Tankless Maintenance: Protect Your Investment

Annual tankless water heater maintenance helps keep the heat exchanger free of scale buildup. Even a thin layer of mineral deposits can reduce efficiency, forcing longer burner cycles that put unnecessary strain on the system and shorten its lifespan. Regular servicing not only improves performance and energy savings — it’s also required to keep most manufacturer warranties valid.

Have Question? Call 403-945-8324

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