Air Curtain Sizing Calculator
Estimate early air curtain selection inputs from door size, mounting height, opening condition, and heating preference.
- Door width
- Door height
- Mounting height
- Opening type
Air Movement Equipment
Air curtains, ventilation fans, and fresh air systems.
MiWind supports contractors, distributors, and facility teams with product families, sizing references, model-level data, and project support for air movement and IAQ projects.
Air curtain Product Line Card
Air Curtain and Fan Equipment
Air curtains, ventilation fans, fresh air systems, exhaust fans, and dehumidifiers with factory context and sizing paths.
Product Categories
Air Curtains and Fans
Air curtains, ventilation fans, fresh air systems, exhaust fans, and dehumidifiers.
Family Key project input Next step
Air Curtain Entrance air control Door width / mounting height Compare air curtain series Ventilation Fan Ducted airflow CFM / static pressure Review fan type and duct path Fresh Air System Fresh air and recovery Supply CFM / recovery type Define airflow and service access 
Exhaust Fan Room exhaust CFM / noise / duct route Review exhaust fan series 
Dehumidifier Moisture control Pints/day / moisture load Size the moisture load Sizing Tools
Airflow Calculators
Air curtain sizing, ventilation CFM, bathroom exhaust, dehumidifier, ACH, ERV/HRV, and duct pressure tools.
Ventilation CFM Calculator
Estimate planning-level CFM from area, ceiling height, and target air changes per hour.
- Area
- Ceiling height
- Target ACH
- Room type
Bathroom Exhaust Fan Sizing Calculator
Estimate bathroom exhaust airflow from room area, ceiling height, and moisture sensitivity.
- Bathroom area
- Ceiling height
- Moisture level
- Duct length
Fan Applications
Commercial Spaces
Retail entrances, kitchens, bathrooms, warehouses, gyms, offices, cafes, cold rooms, and storage spaces.
Space type Retail Entrances
Reduce drafts, comfort complaints, insects, and open-door energy loss at customer-facing entrances.
Application detail
Space type Restaurant Ventilation
Plan practical ventilation reviews for dining rooms, restrooms, service corridors, and support areas.
Application detail
Space type Commercial Kitchens
Support kitchen-adjacent airflow reviews while keeping hood and code requirements separate.
Application detail
Space type Cold Room Doors
Plan air curtain reviews for walk-in cooler, cold-room, and temperature-separated openings.
Application detail