Calculate your filtration system costs
Compare operating costs for CLARIVENT and central ventilation; enter your investment budgets to estimate ROI and payback.
Calculate for your factory.
Adjust machine count, operating hours and electricity price to compare estimated running costs of both systems.
A positive difference means lower CLARIVENT running costs under these assumptions; a negative difference means lower central-system costs.
| Item | Central ventilation | CLARIVENT |
|---|---|---|
| Annual energy cost | €39,816 | €15,120 |
| Annual maintenance cost | €14,000 | €9,000 |
| Annual total running cost | €53,816 | €24,120 |
Central-system airflow: 72,000 m³/h
Estimated fan power: 79 kW
Selected model: CLV 10000
Number of units: 6 · Total power: 30 kW
Return on investment
Enter the investment costs for both systems and calculate the comparison to see ROI and payback. Product prices are not assumed.
Extra investment (CLARIVENT − central system): — · Evaluation period: — years
The payback period exceeds the selected evaluation period.
| Central ventilation | CLARIVENT |
|---|---|
| — | — |
How is ROI calculated?
Extra investment = total CLARIVENT investment − central-system investment. Net cost advantage = annual operating-cost difference × selected years − extra investment.
Period ROI = net cost advantage / positive extra investment × 100. Simple payback = positive extra investment / positive annual operating savings. No ROI percentage is given for zero or negative extra investment; no payback period is given for zero or negative operating savings.
Numerical results by year
| Year | Central ventilation | CLARIVENT |
|---|---|---|
| 0 | €0 | €0 |
| 1 | €53,816 | €24,120 |
| 2 | €107,632 | €48,240 |
| 3 | €161,448 | €72,360 |
| 4 | €215,264 | €96,480 |
| 5 | €269,080 | €120,600 |
| 6 | €322,896 | €144,720 |
| 7 | €376,712 | €168,840 |
| 8 | €430,528 | €192,960 |
| 9 | €484,344 | €217,080 |
| 10 | €538,160 | €241,200 |
Calculation assumptions and scope
Energy and maintenance calculations use the model values and equations from the original ACC calculator. Investment calculations use only the budgets you enter. Prices and operating conditions remain constant; financing, discounting, inflation, tax, residual value and production downtime are excluded. Results are estimates, not measured savings.
- One CLARIVENT unit is assumed per machine.
- Central airflow = machine count × model airflow × 1.2. Fan power = central airflow × 1.1 / 1,000, rounded to the nearest kW.
- Central annual maintenance = €3,000 + central airflow × €0.15, rounded to the nearest €500.
- Annual energy cost = total power × operating hours × electricity price. Prices and operating conditions remain constant in the 10-year calculation.
| Model | Unit power | Airflow | Annual maintenance per unit |
|---|---|---|---|
| CLV 10000 | 5 kW | 10,000 m³/h | €1,500 |
| CLV 15000 | 8 kW | 15,000 m³/h | €2,000 |
| CLV 20000 | 12 kW | 20,000 m³/h | €2,500 |
Request a facility-specific technical quote for final product selection, investment budgeting and savings assessment.

