Rheem Hot Water Storage Tank Heaters Use Natural gas, LPG and Electric As Energy To Heat Water...

Rheem manufactures a wide variety of storage tank hot water heaters models... Rheem has started manufacturing the tankless water heaters as well.

Whenever you are looking for a water heater, there are two main factors that you must consider when evaluating systems. The two factors are Energy Factor and First Hour Rating . You can find detailed definitions of this terms on the pages below. I am going to discuss the energy factor and first hour rating of the Rheem storage water heaters.

Rheem has numerous water heater models. Some of these hot water storage heaters models use electricity, others propane, or natural gas or both propane and natural natural gas...

hot water heaters energy factors ... explains meaning of this important decision making terms

first hour rating for storage tank hot water heaters ... explains meaning of this important decision making terms

Propane or natural gas water storage tank heaters, which is better? For general information to help in assessing propane versus natural gas tankless hot water heaters.

The following is general publicly available information on Rheem storage tank water heaters ..... propane, or natural gas and electricity

BENEFITS claimed by Rheem ...

Rheem water heaters ... energy factors and first hour ratings. You can use these Rheem storage tank hot water heater specifications for comparison purposes

Compare to this data from GAMA for all suppliers of similar equipment ...

Energy Factor in simple terms means that if the Energy Factor is high then the annual cost of power to run the tanklless hot water heater or the storage heater will be lower than it would be if the Energy Factor was low. Gas tankless water heaters have an Energy Factors that ranges between 0.64 and 0.82

The First Hour Rating is the amount of hot water the heater can supply in an hour. If you are using a storage tank system then this means that the tank will be full of hot water at the beginning of the first hour.

Rheem claims about their tankless water heaters...

"An energy efficient, space saving system backed by Rheem's exceptional support and convenience.

Rheem is proud to offer a tankless water heater that will supply endless hot water on demand. The RTG42 PV has no storage tank and no standing pilot light, which makes it energy efficient and eliminates stand-by loss.

The RTG42 PV features a digital display which makes it simple to use and easy to read. Simply set the desired temperature and it will provide continuous hot water when needed. This self-diagnostic system will display codes of improper function, making trouble shooting quicker and less expensive.

The Rheem RTG42 PV is a great solution for vacation homes, additions, renovations, or when additional hot water is needed in the home. The space saving, compact design makes it versatile, yet powerful when it comes to producing hot water".   ... extracted from Rheem Web Site

You can read a wide range ofwater usage articles. They discuss the use of water in the house and home ... topics covered include filters, heaters, softeners and water in the garden.