Enter the cost of HVAC before insulation ($), the cost of HVAC after insulation ($), and the cost of insulation ($) into the Return on Insulation Calculator. The calculator will evaluate and display the Return on Insulation.
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Return on Insulation Formula
The following formula is used to calculate the Return on Insulation.
ROINS = (CBI – CAI) / CI * 100
- Where ROINS is the Return on Insulation (%)
- CBI is the cost of HVAC before insulation ($)
- CAI is the cost of HVAC after insulation ($)
- CI is the cost of insulation ($)
How to Calculate Return on Insulation?
The following example problems outline how to calculate Return on Insulation.
Example Problem #1
- First, determine the cost of HVAC before insulation ($).
- The cost of HVAC before insulation ($) is calculated to be : 1000.
- Next, determine the cost of HVAC after insulation ($).
- The cost of HVAC after insulation ($) is measured to be: 500.
- Next, determine the cost of insulation ($).
- The cost of insulation ($) is found to be: 2,000.
- Finally, calculate the Return on Insulation using the formula above:
ROINS = (CBI – CAI) / CI * 100
The values given above are inserted into the equation below and the solution is calculated:
ROINS = (1000 – 500) / 2,000 * 100 = 25.00 (%)
Example Problem #2
The variables needed for this problem are provided below:
cost of HVAC before insulation ($) = 6000
cost of HVAC after insulation ($) = 3000
cost of insulation ($) = 5000
This example problem is a test of your knowledge on the subject. Use the calculator above to check your answer.
ROINS = (CBI – CAI) / CI * 100 = (%)
