The Rinnai water heater works only when you turn the tap of the hot water on. It provides as much warm water as you need so you can expect to enjoy showers for as long as you like instead of having to hurry or to freeze. Most importantly, such a device allows for a number of plumbing demands to be facilitated at the same time. You can use any of the sinks, the shower, the dishwasher and the washing machine in combination with one or two of the others. You will get the optimal water flow with the ideal temperature no matter the application.

Of course, in order to be able to do this comfortably and effectively, you have to choose a tankless heater with an adequate flow per minute capacity. You should also consider the temperature of the water when it enters the house’s plumbing system as well as the temperature that it has to reach so that it is used optimally. There are Rinnai models that can suit the demands and requirements of any modern day household.

You have to take into consideration the fact that you will be using a propane tankless water heater. The device is designed to operate perfectly safely. You can expect not to face any gas leakage while the risk of hot water spills and fire is reduced to a minimum. Also, the risk of flooding in general is much lower. Apart from being saved, the device is also quite durable – it can work properly for up to 20 years.

It is worth highlighting the fact that Rinnai water heater is more energy efficient compared to the electrically operated ones. You can expect to reduce your energy costs by approximately 40%.

The propane tankless water heaters are much more powerful compare to the electricity operated ones. They can allow for the water to reach its optimal temperature more quickly. Most importantly, they can heat up effectively larger flow volumes. This allows you to use more water outlets at the same time. You can have the dishwasher and/or washing machine running while you take a shower. The kitchen sink can be used when the bath tub is being filled in. These are just some of the combinations possible, but they illustrate perfectly the idea of the multifunctional use of such a device. Furthermore, you can expect the water to have optimal temperature in all outlets.

It is true that all types of on demand heaters are more energy efficient compared to the tank ones, but while the electric model can save up to 30% of the power used by a household, the one working with propane can reduce the energy use with up to 50%. This will be adequately reflected in your utility bill. Another factor that makes the propane tankless water heater less costly than the electric one is that the natural gas costs less than a kilowatt hour of electricity in general. Put in monetary terms the average propane model allows you to save around $190 a year. This might not seem a lot, but given the fact that such a device can operate for up to 20 years the sum becomes much larger.

Last, but not least there are additional bonuses coming with some of the propane tankless water heater models. If you install such a device in your home, you may be eligible to a tax rebate. This makes the purchase and installation more affordable. 


The high efficiency water heater has to have at least 90% thermal efficiency. You can expect the best devices to have 95% or larger. Also, to qualify as highly efficient a heater must be able to allow for 10% to 50% lower energy costs. By using these two basic requirements, you can easily find yourself around the market for such devices for home use. You can expect these models to be Energy Star approved. A number of heaters coming from reputable brands are also eligible for tax credits. Such a rebate can reduce your purchase and installation expenses with up to 30%.

Generally, you can choose from a number of heater types, but the one that fulfills all the requirements for efficiency and has a large number of additional advantages is the propane tankless one. You can expect such a model to have around 95% thermal efficiency and also to reduce your utility expenses with anywhere between 30 and 50%. Such an on demand heater is extremely durable – it can operate for up to 20 years. Given that you can save up to $190 a year on utility bills, you can expect to your investment to pay off in anywhere between five to ten years. This is more than beneficial and cost effective especially compared to using a standard storage tank heater.

These high efficiency water heater models can be used effectively in any type of climate, which makes them much more functional compared to the solar devices, which are also quite popular. Most importantly, with such a heater you will get unlimited hot water supply to your home. These devices also allow you to supply water with optimal temperature to multiple pluming demands. Depending on the capacity of your heater you can run your shower, sink and even dishwasher or washing machine simultaneously.

With such a propane tankless heater you can expect to have a constant flow of optimally heated water in your home. The larger the capacity of the device, the more multifunctional it becomes. You can run an appliance using water as well as a shower plus a kitchen sink at the same time as long as you have a heater with the appropriate flow per minute. At the same time the device is extremely compact especially compared to the storage tank one. The main difference between such an on-demand Bosch model the standard tank one is that this heater warms the water when it flows and does not have to store it.

Apart from giving you the opportunity of much longer showers this type of device has a number of other practical advantages. Firstly, much less energy is consumed for the heating of the water and this means smaller bills. You can expect to save up to 50% of energy with the propane tankless Bosch water heater. This can reduce your energy expenses with a couple of hundred dollars each year. Also, since the device operates without keeping the water in a tank, scale cannot possibly build up to ruin it. This gives it a very long life of up to 20 years. The lack of mineral deposits and corrosion also means that the water used in your home is much cleaner and safer.

You should not have concerns about the propane tankless Bosch water heater working on this type of gas. The combustion is sealed and the ignition is electronic. So, you can be certain that the device is perfectly safe for use – the risk of flooding, fire or propane emissions is insignificantly low.