Just like the name implies, instant hot water systems provide hot water instantaneously. This means that they provide hot water instantly upon demand. This functional capability or characteristic has earned them the names: instantaneous or demand-type water heaters. In terms of consumer demand, instant hot water systems compete with conventional storage water heaters. Whereas the former have no reservoirs for storing heated water, the latter model comes with a storage tank for holding hot water. This is why instant hot water systems are also called tankless water heaters. Besides this major design difference, the two types of water heaters also vary in terms of efficiency. Instant hot water systems are more efficient than conventional storage water heaters. This article covers everything you need to know about tankless or instant hot water systems.
Construction & Operation
As mentioned above, instant hot water systems do not have a reservoir for storing hot water. They heat water on demand. After being switched on, cold water runs through a pipe with a heating element — either gas- or electric-powered — where it is heated and delivered instantly for consumption. Because they do not have hot water tanks, these instantaneous water heaters take up very little space. They can be installed anywhere in the house by any professional plumber. For instance, you can hire a plumbing company who specializes in kitchen remodeling and plumbing services to install an instant hot water unit in your kitchen. This is a simple electrical unit that functions more or less like a standard water dispenser.
Uses & Applications
Instant hot water systems are installed for usage in various sections or rooms in a house. You can install a tankless water heater in your bathroom for showers and to supply the bathtub with hot water. These heating elements are also installed as boosters for various appliances like laundry machines or clothes washers and dishwashers. And most recently, instant hot water systems are being installed as boosters for solar water heating systems. Have your kitchen and bath remodeling plumber lay out your options and ask for their advice. You can then make a better, informed decision.
Benefits & Drawbacks
The main advantage of using a demand-type water heater is that it’s more efficient than a conventional storage model. This is due to the fact that it does not suffer standby heat less on stored water like its latter counterpart. Comparatively, instant hot water systems cost more than storage type water heaters. The good news is that instantaneous water heaters have significantly lower operating and maintenance costs and they are more durable, which makes them the cheaper option in the long run.
The main drawback of instant hot water system is that they have limited hot water low rates. The flow rate of any tankless water heater is determined by the output of the heating element. You will most likely need to install more than one instantaneous heating system to sustain all your household’s hot water needs.
Choosing A Model
There are many different types of instant hot water systems. Depending on your hot water needs and other preferences, you should consider the following factors when choosing a demand-type water heater: size, cost, energy efficiency, fuel type, and fuel availability. Remodels are great times to install these systems, and they can make life easier and more enjoyable.