People these days are more conscious about reducing the air conditioner usage or less water consumption to save money as well as environment. However, there are some other ways too to save energy consumption at your home. And one of them is the Rinnai tankless water heater. Modern tankless water heaters save space and money by eliminating the need for a bulky storage tank, and they can be around 34% more effective than traditional storage tank heating systems. This equates to annual savings of $100 for the typical household. But there are a few important things to think about before you rush to the appliance shop to get one for your house. 

What Does the Term “Tankless Water Heater” Stand For?

Tankless water heaters, sometimes called on-demand or instant water heaters, are standalone appliances that heat water for use in a household in a matter of minutes. Water is heated as it passes through a heating system and into a home's plumbing system. Tankless heaters differ from storage tanks in that they don't store water for later use. It is not surprising that many people have begun choosing a Rinnai tankless water heater because of the endless supply of hot water they can give. 

Suitable Size For Tankless Water Heaters

There are many important elements to think about while selecting the best tankless water heater. The relation between temperature and flow rate is one of the most crucial. Simply said, a tankless water heater's rating is based on its ability to increase water temperature while maintaining a certain flow rate (the count of water gallons being warmed per minute). This may seem like some intimidating mathematics but be assured that it is really rather simple. 

  • Flow Rates

To determine how much hot water you will need to heat your whole house, you need first to create a checklist of all the appliances in your home that require water. For example, think about whether you want to use the bathroom shower and the dishwasher simultaneously. Add together the flow rates of all of these appliances to get an idea of your typical household usage (gallons per minute). If you have any queries about this, you can always get in touch with the device maker. Using low-flow water taps might help you save money on energy bills if you have many appliances running at once.

  • Temperature Increase

In order to get this number, you must first subtract the desired water temperature from the entering groundwater temperature (pre-tank) (set temperature). As a general rule of thumb, you should expect an average entering temperature of 50 degrees Fahrenheit (10 degrees Celsius) in a typical house. Of course, where you reside and when you want to heat water will affect this. You should think about the following things (for example, if you reside in an area of the country that is warm year-round or a region that is hit by particularly cold winters).

In terms of a storage tank, the water temperature should be about 120 degrees Fahrenheit (49 degrees Celsius), which is ideal for most domestic appliances. Keep in mind that the tankless water heater will create more hot water flow when the set temperature is lower, and the incoming water temperature is greater, and vice versa. The higher desired water temperature may be achieved by pumping groundwater to the surface for a given amount of energy input. 

Other Factors to Consider

It might be difficult to decide between a tankless water heater for the entire home and a tankless heater for individual rooms. Cost, efficiency, house size, and whether you prefer indoor or outdoor heaters are other variables that should be considered. However, you should not worry since the Rinnai tankless water heater is capable of catering to all your needs. These are reliable and energy-efficient heaters.