Calculator

Equipment ownership-cost calculator

Add the purchase price and the yearly cost of consumables, energy and anything else over 1 to 10 years. The result is an estimated total and annualized cost of ownership.

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Inputs and allowed ranges

Purchase price: 0–20,000 $
Annual consumables: 0–5,000 $/yr
Annual energy: 0–5,000 $/yr
Other annual costs: 0–5,000 $/yr
Years of ownership: 1–10 years, whole numbers

How to calculate it yourself

Total = purchase + years × (consumables + energy + other).
Annualized = total ÷ years.

Worked example

$200 purchase, $60 consumables, $43.80 energy and $0 other for 3 years.
Total: $200 + 3 × $103.80 = $511.40.
Annualized: $511.40 ÷ 3 = $170.47.

Result

Your result appears here, with the arithmetic shown step by step.

Formula

Total = purchase + years × (consumables + energy + other).
Annualized = total ÷ years.

$200 purchase, $60 consumables, $43.80 energy and $0 other for 3 years. Total: $200 + 3 × $103.80 = $511.40. Annualized: $511.40 ÷ 3 = $170.47.

Healthy Home Audit · Calculator

Estimated ownership cost

Date

No result yet. Fill in the inputs, calculate it by hand with the formula below, or use the calculator on healthyhomeaudit.com.

Total = purchase + years × (consumables + energy + other).
Annualized = total ÷ years.

Assumptions

Use the same time period for every option you compare.
Check the exact model and its official replacement instructions.

This calculator organizes arithmetic you can check. It does not test equipment, measure your air or water, or predict a health outcome.

healthyhomeaudit.com

What the result means

Results are estimated. They exclude tax and shipping, and they are not a promise of savings or a lowest price.

Use the same number of years for every option you compare, and check the exact model’s official replacement instructions for consumables. A lower estimate may depend on a lower fan setting, shorter operating time or an omitted consumable.

Sources and review

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