Vet Clinic Ventilation Calculator
Air changes for a veterinary clinic kennel/exam area.
Enter your values
Choose one of: Exam room, Kennel/boarding, Surgery suite.
Enter the room length in ft.
Enter the room width in ft.
Enter the ceiling height in ft.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Recommended air changes
- 12 ACH
- Required airflow
- 540 CFM
- Room volume
- 2,700 cu ft
Quick answer
Veterinary kennel areas typically need 10-15 air changes per hour, higher than a standard exam room, due to odour and dander.
CFM = volume x ACH / 60
At a glance
| What it does | Air changes for a veterinary clinic kennel/exam area. |
|---|---|
| Category | HVAC & Airflow |
| Inputs needed | Room type, Room length, Room width, Ceiling height |
| Main output | Recommended air changes |
| Formula | CFM = volume x ACH / 60 |
| Cost | Free — no sign-up, no download |
How to use the Vet Clinic Ventilation Calculator
- 1Select the room type — kennels and surgery need higher rates than a general exam room.
- 2Measure the room's volume.
- 3Apply the recommended ACH to size supply or exhaust airflow.
Inputs explained
- Room type
- Choose one of: Exam room, Kennel/boarding, Surgery suite.
- Room length(ft)
- Enter the room length in ft.
- Room width(ft)
- Enter the room width in ft.
- Ceiling height(ft)
- Enter the ceiling height in ft.
Worked example
Using the values the calculator loads with:
Inputs
- Room typeKennel/boarding
- Room length20 ft
- Room width15 ft
- Ceiling height9 ft
Results
- Recommended air changes12 ACH
- Required airflow540 CFM
- Room volume2,700 cu ft
Frequently asked questions
Why do kennels need more air?
Animal dander, odour and moisture build up quickly and need faster dilution than a typical exam room.
Isolation ward for sick animals?
Treat like a human isolation room — negative pressure with dedicated exhaust, not recirculated.
What do I need to enter into the Vet Clinic Ventilation Calculator?
Just 4 values: room type, room length, room width, ceiling height. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Vet Clinic Ventilation Calculator work out the answer?
Veterinary kennel areas typically need 10-15 air changes per hour, higher than a standard exam room, due to odour and dander. It applies the formula CFM = volume x ACH / 60 and shows the working so you can check each step by hand.
Is the Vet Clinic Ventilation Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.