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Why Tankless Water Heaters Are Better For Your Health (And Business)

We all know how important water is for our health and well-being, but how we consume the water we drink also impacts our health. Temperature fluctuations, stagnant water, scaling and sedimentation in tanks and many other factors often make the water we drink unhealthier for our bodies.

Legionnaire’s Disease (a lethal form of pneumonia caused by the bacterium Legionella pneumophila which is found in warm, stagnant or very slow-flowing water) is one example. And there are a number of factors contributing to Legionella growth in water tanks such as a high level of temperature variations, scaling and sedimentation of the tanks and the formation of biofilm which is a perfect breeding ground for Legionella.

Infographic designed & provided by Intellihot

So any commercial buildings, hotels and restaurants, schools and universities, factories and public places such as stadiums that contain stored water in tanks are at risk, more so post lockdown as the water tanks were not in use for months together. Health issues apart, this also means poor customer experience, service interruption and reputational and financial costs. 


Tankless water heaters eliminate the need to store water which means there is:

  • No water stagnation
  • No fluctuation in temperature
  • No scaling or sedimentation
  • No formation of biofilm 
  • Reduced Legionella risks
  • Increased energy and cost savings

Intellihot Tankless Water Heating Systems, equipped with special NASA technology, are energy and space-efficient as well as cost-effective, have numerous residential and commercial benefits and are the answer to the prevention of Legionnaire’s Disease. They make going tankless absolutely stress-free.

According to Medscape the occurrence of Legionnaires worldwide is 2-15% with outbreaks recorded in Australia, Europe, South & North America, and Africa. Some of the most recent outbreaks are:

  • April 2021: Indianapolis, U.S – several members of a gym were diagnosed with Legionnaires.
  • February 2021: New Jersey, U.S – 14 cases of Legionnaires presented and 1 male aged in his 60s died.
  • January 2021: Sydney, Australia – cooling towers in a business were infected with Legionnaires with 17 cases reported.
  • October 2020 to January 2021: Portugal – 88 people were infected with Legionnaires, which resulted in 15 deaths due to cooling towers not be disinfected.
  • January 2021: Portland, U.S – 9 residents in a seniors home contracted Legionnaires, 1 person passed away.
  • November 2020, New Zealand – 5 people contracted Legionnaires due to contaminated potting soil.
  • November 2020, Hurstville, Australia – 2 cases of Legionnaires presented due to cooling tower contamination.
  • October 2020 to November 2020, Israel – 8 people were diagnosed with Legionnaires, 3 cases were serious.
  • February to March 2020: Brunswick, Australia – 4 people reportedly contracted Legionnaires at a business facility.
  • September 2019: North Carolina, U.S – 141 people were infected with Legionnaires at a state fair hot tub display resulting in 4 deaths.

The number of Legionnaires outbreaks worldwide are many, with people aged 50 to 80-years most at risk. While Legionnaires does occur in people under 35-years, cases are far less frequent.

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