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Generac Home Generator Fuel Consumption

When people are trying to decide on which Generac home generator would best serve their needs, one of the first thing they want to know are the fuel consumption rates for those back-up generators they are considering for purchase. The information that you supply to your Assurance Power Systems sales person will greatly assist them in providing you with the best home generator choices for your specific needs. Propane and natural gas generators are fast becoming the most popular generators for home and commercial use as they are considered the most efficient and environmentally friendly of available fuel choices.


Some key points to understand when researching propane and natural gas generator fuel usage, in addition to a particular generator’s fuel consumption rate, are the characteristics of the fuel that powers that engine. While older diesel and gas generators may have environmental and storage concerns, propane generators are considered clean burning and easily stored in various sized tanks suitable for the intended purpose of that generator.  Supply and delivery is as readily available as any other fuels used in generators.
Generac home generator fuel consumption rates will vary depending on the size and model of the generator and the load it is under.  For example, according to Generac a 22 kilowatt generator would burn approximately 2.1 gallons per hour at ½ load and 3.6 gph at full load, while a larger 38 kilowatt unit would burn 3 gallons per hour at ½ load and 5.4 gph at full load.


By knowing the Generac home generator fuel consumption rate, an Assurance Power Systems specialist can assist you in determining the size liquid propane tank that would hold the needed quantity for the estimated amount of running time you anticipate for you needs. In many areas natural gas lines and propane tanks are already installed, and your APS specialist can also determine the most effective and efficient ways to use any existing gas lines and storage tanks. Using our previously mentioned Generac Home Generator sizes, a 22 KW Generac generator would consume 5.9 cubic meters per hour of natural gas at ½ load and 9.7 cubic meters per hour at full load.


These are mere approximations as generator fuel consumption rates for different models, and by running at different loads may vary the fuel usage to some degree. It is also important to understand that in addition to the different loads that will affect fuel consumption caused by the number and size of appliances you are using, the effectiveness of home insulation may also factor into fuel consumption, as it directly affects the load placed on air conditioning.


The technicians at Assurance Power Systems are experts in determining the proper size generator for your needs and what type of fuel should power it.

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