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Energy savings payback worksheet

AGA Blue Star SealWhen buying a natural gas appliance remember to compare warranties, service arrangements and financing possibilities. It is also important to look at the features of the appliance and look for the American Gas Association Blue Star Seal, certifying compliance with the American National Standards for safety and design.

EnergyGuide Comparison A


 

Additionally, a bright yellow EnergyGuide has been attached to the appliance. The guide provides valuable information for comparison shopping by providing the estimated yearly energy cost.

Calculate the your energy savings payback using these two EnergyGuide tags as an example.

 
Model A
Model B
Purchase Price
$409.99
$329.99
Estimated Yearly Energy Cost
$151
$168
Avg. Appliance Life
10 yrs.
10 yrs.

Step 1: Calculate the Price Difference
Subtract the lower priced item from the higher priced item.

$409.99 - $329.99 = $80

Step 2: Calculate Annual Savings
Subtract the lower operating cost from the higher operating cost.

$168 - $151 =$17

Step 3: Figure the 'Lifetime' Savings
Multiply the life of the appliance by the annual savings.

$17 x 10 years =$170

Step 4: Find the Payback Period
Divide the price difference by the annual savings.

$80 / $17 =4.7

EnergyGuide Comparison B

 



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