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Ventilation & Safety · 7 calculators

Air that keeps people safe.

Air-change rates, gas dilution and extraction to keep plant rooms and confined spaces safe. Built for plant and safety engineers.

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Tenselo — Confined-Space Ventilation
Inputs
120m³
Chlorine
12/h
Auto
Size ventilation
Demonstration only — a simplified set of inputs is shown here. The live calculator includes additional fields and options.
Result
✓Forced extraction
Gas-dilution air-change design
1,440 m³/h
Required airflow
12 /h
Air changes
400 L/s
Extract fan
120 m³
Room volume
Chlorine
Hazard gas
High-level
Intake
Indicative output for a typical duty — the live calculator computes from your own inputs. Confirm the exact selection against the manufacturer's data.

Inside this pack — 7 calculators

Every tool this discipline reaches for, in one place:

Battery Room VentilationConfined Space PurgeDiesel Engine Room VentilationGas Room VentilationPump Room VentilationSafety Shower EyewashEnclosure Cooling

Why it earns its place

Less spreadsheet wrangling, fewer call-backs, sign-off you can defend.

Air changes to the code

Ventilation rate set to the hazard and the standard, not a round number.

Gas diluted safely

Dilution airflow sized so a leak stays below exposure limits.

Fans that deliver

Extract duty and intake placement worked so the room actually clears.

Every result, on your letterhead

One click turns any calculation into a clean, fully customisable PDF report — branded with your company logo, ready to drop into a submission, quote or design pack.

  • Your logo, company name and project details on every page
  • Inputs, results and the method, all documented
  • Professional output you can hand to a client or approver
Confined-Space Ventilation — Calculation Report
Ventilation & Safety · Tenselo
Room120 m³ · chlorine
Air changes12 / h
Required airflow1,440 m³/h
Extract fan400 L/s
Prepared with TenseloPage 1 of 1

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