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Hotels: In Hot Water for Lack of On-Demand Hot Water

After a long day exploring a new destination on a family vacation or an even longer day sitting in a boardroom on a business trip, you can’t wait to get back to your hotel room and take a hot shower.

You finally get back to your hotel room, eager to rinse off the day and get some well-earned R&R, and… there’s no hot water.

There are few things that will drive a guest to write a bad review of your hotel faster than a cold shower.

On-demand hot water is expected for guests at hotels and other commercial properties. Find out how you can give your guests hot water every time and save money and energy while doing it.


Tank-type water heaters have been the standard in both residential and commercial settings for decades.

These systems work by heating up a large amount of water to a set temperature and storing it in a large tank.

These tank-type systems introduce a number of challenges. For hotels, some of the most relevant challenges include:

Take up a large amount of space
Limited amount of hot water available
Require expensive thermostatic mixing
valves to regulate temperature
The lifespan of only 5-8 years
Energy inefficiency

Because of these challenges, more and more homes and businesses are opting for tankless hot water heaters.


Tankless commercial water heaters work on demand, meaning that only the water that is used is being heated. They are able to supply a hotel with an unlimited amount of hot water.

That means that even at full occupancy, you won’t have to worry about running out of hot water.

You may be thinking: this all sounds great, but how does this actually work? How can I know that my guests can get hot water if we aren’t holding it in a large tank somewhere in the basement.

When a guest turns on a hot water tap, cold water flows into the heat engine of the tankless water heating system. The water is quickly heated up within the system, and the guest enjoys instant hot water from the tap at a safe and consistent temperature and pressure.


Tankless water heating systems are the future of commercial water heating systems and offer a number of benefits for both hotel management and guests. Here we will share some of the key benefits to know about.


Tankless water heating systems are the future of commercial water heating systems and offer a number of benefits for both hotel management and guests. Here we will share some of the key benefits to know about.

With the environmental impact of producing power becoming increasingly serious, these increases in efficiency cannot be discounted when evaluating which water heating system you will use.

Cost Saving

An estimated 30% of total water usage in hotels occurs in restrooms. That means that delivering hot water to your guests quickly is even more important. Every second that a shower is running while waiting for the water to heat up, your costs are rising.

Tankless systems offer huge potential for saving. Calculate your potential savings to see how you can cut costs. Each setup is different, so this estimate will give you a clearer idea of how switching to tankless will benefit you specifically.


Tankless systems also have a longer lifespan than tank-type heaters. Generally, they last more than 20 years. On the other hand, the U.S. Department of Energy estimates that most high use commercial tank-type heaters only last 5-8 years.

This longer lifespan is another advantage of a tankless system. And even if something does go wrong, you won’t have to worry about a flooded boiler room since these systems don’t store any additional water for later usage.

Eliminate Storage

Most commercial water heaters rely on a large tank to hold the water they have heated. These tanks take up valuable space that some hotels simply do not have available.

Furthermore, most hotels only use half of the hot water that they are capable of supplying. This means that about half of the space that large tanks occupy is wasted on storing hot water that will not be used.


Most tank-type water heaters are using the same technology from when they were first invented. They can only be monitored by a trained professional.

Tankless systems, on the other hand, are often far more modern. Some can connect to an app that can give you quick analytics on your water usage. Additionally, these apps can notify you instantly of any issues with your system.

Health and Safety

Legionella, a bacteria that can cause a serious type of pneumonia, is known to grow in water storage tanks in commercial systems like hotels. By going tankless, you greatly reduce the risk of Legionella growing in your hotel’s water system.

Additionally, tankless systems heat water up to the precise temperature that you set for the system. There are no inconsistencies in water temperature throughout the building and no risk of excessively hot water scalding guests. This eliminates the need for expensive thermostatic mixing valves to regulate temperature.


If your tankless system uses multiple units, you have the added benefit of knowing that if one unit breaks down or malfunctions for any reason, your system will continue working with minimal impact.

There’s no need for water heater redundancy, meaning purchasing a backup tank in anticipation of any downtime for another unit. And your guests will never have to know that there’s a problem.


The only hot water you want to be in is the hot water in your shower.

Tankless water heating systems can be the solution to all of your hot water woes. They provide on-demand hot water for guests and have a much higher return on investment than traditional water heating systems.

Intellihot can solve all of these problems for you so that you never have to worry about delivering on-demand hot water for guests ever again.

Find an Intellihot sales rep near you today and learn more about how we can keep you and your guests happy.

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