Rheem hot water storage tank heaters natural gas, LPG and electric

Rheem make a very wide range of models of storage tank hot water heaters ... they also now supply a tankless heater as a new product.

Whenever any storage water heater is evaluated the two really important factors to consider are Energy Factor and First Hour Rating . The information on this page relates to Rheem storage water heaters.

Rheem have many different models. Some of their hot water storage heaters use electricity, others propane, or natural gas or both propane and natural natural gas within the same model of hot water storage tank heater

Introduction .... review these terms in conjunction with the information on Rheem water heaters outlined below.

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
Rheem ONLY

type of hot water heater

First Hour Flow rating Energy Factor
Storage Tank Electric Hot Water Heater Maximum value for range ... 110 .93
Storage Tank Electric Hot Water Heater Minimum value for range 40 .81
Storage Tank Electric Hot Water Heater Average value for range 60 .89
Storage Tank Propane and Natural Gas Hot Water Heater Maximum value for range 132 .58
Storage Tank Propane and Natural Gas Hot Water Heater Minimum value for range 51 .48
Storage Tank Propane and Natural Gas Hot Water Heater Average value for range 80 .54
Storage Tank Natural Gas Hot Water Heater Maximum value for range 135 .65
Storage Tank Natural Gas Hot Water Heater Minimum value for range 50 .48
Storage Tank Natural Gas Hot Water Heater Average value for range 73 .57
Storage Tank Propane or LP Gas Hot Water Heater Maximum value for range 135 .62
Storage Tank Propane or LP Gas Hot Water Heater Minimum value for range 53 .48
Storage Tank Propane or LP Gas Hot Water Heater Average value for range 73 .55
Information extracted from published data by GAMA

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

storage tank hot water heaters data

First Hour Flow rating Energy Factor
Storage Tank Electric Hot Water Heater Maximum value for range ... 120 .95
Storage Tank Electric Hot Water Heater Minimum value for range 15 .77
Storage Tank Electric Hot Water Heater Average value for range 60 .89
Storage Tank Propane and Natural Gas Hot Water Heater Maximum value for range 132 .63
Storage Tank Propane and Natural Gas Hot Water Heater Minimum value for range 46 .48
Storage Tank Propane and Natural Gas Hot Water Heater Average value for range 77 .57
Storage Tank Natural Gas Hot Water Heater Maximum value for range 143 .65
Storage Tank Natural Gas Hot Water Heater Minimum value for range 48 .46
Storage Tank Natural Gas Hot Water Heater Average value for range 80 .56
Storage Tank Propane or LP Gas Hot Water Heater Maximum value for range 140 .65
Storage Tank Propane or LP Gas Hot Water Heater Minimum value for range 48 .46
Storage Tank Propane or LP Gas Hot Water Heater Average value for range 81 .56
Information extracted from published data by GAMA

Energy Factor ... every hot water heater tankless or storage tank heater must be provided with a certified Energy Factor. This 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 for a low rated Energy Factor.

Gas tankless water heaters Energy Factors typically range from 0.64 to 0.82

First Hour Rating ... this number refers to the amount of hot water the heater can supply per hour ... if a storage tank system is in use the assumption is that the tank is full of hot water at the start of the first hour.

Rheem have recently added a tankless water heater to their range for the first time. Here's what they say ....

The New TANKLESS Water Heater By Rheem

"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