Cold Rooms
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Air curtain and ventilation technical articles
Technical articles for commercial air curtains, ventilation fans, exhaust fan sound, ERV systems, dehumidifiers, CFM, duct routing, and commercial applications.
Article Topics
Article Topic Paths
Choose the path closest to the product family or room condition, then move into tools, references, and product pages with the right project data.
Topic
Air Curtain Selection
Doorway sizing, heated units, cold-room traffic, entrance comfort, and fan-type comparisons.
Topic
Ventilation Fans
CFM, ACH, duct resistance, EC inline fans, bathroom exhaust, and project request inputs.
Estimate ventilation CFM Room volume, ACH, occupancy, or source-control basis Build a duct pressure note Target CFM, duct length, elbows, filters, and grilles Compare ventilation fan products Inline, EC inline, circular, booster, HEPA, and cabinet paths Send airflow notes to MiWind Include CFM target, static pressure clues, duct route, sound limits, and controls
Topic
Fresh Air and ERV
Office, classroom, gym, restaurant, and small-room fresh-air decisions before product selection.
Estimate fresh-air CFM Area, ceiling height, ACH target, occupancy, and room use Use the ERV/HRV worksheet Climate, humidity goals, filtration, service access, and controls Compare fresh air products Recovery direction, filter access, duct route, and model documents Send fresh-air notes to MiWind Attach occupancy, CFM target, climate, humidity, and installation constraints
Topic
Moisture Control
Dehumidifier sizing, storage-room dampness, gym moisture, basement ventilation, and recovery behavior.
Use the dehumidifier sizing calculator Area, dampness level, temperature, usage, and drainage Check ventilation CFM Separate moisture load from fresh-air or exhaust imbalance Compare dehumidifier products Capacity path, duty cycle, drainage, controls, and service access Send moisture notes to MiWind Attach RH readings, target condition, moisture source, area, temperature, and photos
Selection Articles
Equipment Selection Articles
Review entrance, ventilation, recovery, sound, and humidity decisions before opening product pages or calculators.
Gym Ventilation
Gym Moisture Diagnosis
Diagnose a gym moisture problem by comparing RH, recovery time, damp zones, airflow distribution, CFM, ACH, dehumidifier placement, fresh air, and RFQ inputs. Gym Ventilation article
Air Curtains
Commercial Air Curtain Sizing
Plan commercial air curtain sizing for storefront doors from door width, mounting height, exposure, heating need, controls, and project data before requesting model review. Air Curtains article
Exhaust Fans
Sones vs dBA
Sones describe perceived loudness for bathroom and exhaust fans; compare sone rating, dBA, CFM, duct length, grille, mounting, and installed noise risk. Exhaust Fans article
Dehumidifiers
Cold Room Dehumidifier Sizing
Compare cold room and basement dehumidifier sizing by operating temperature, RH target, moisture source, door cycles, ventilation, drainage, and model operating range. Dehumidifiers article
Fresh Air Systems
Office ERV Fresh Air Review
Office ERV or HRV review starts when occupancy, stale rooms, outdoor-air CFM, humidity goals, filtration, duct routing, and access go beyond fan-only fixes. Fresh Air Systems article
Warehouse Ventilation
Warehouse Loading Airflow
Plan warehouse loading-area airflow by dock-door exposure, zone CFM, air curtain sizing, duct fan static pressure, humidity recovery, and RFQ inputs. Warehouse Ventilation article Air Curtains
Air Curtain Energy Loss Review
Air curtains can support entrance energy control when door traffic, exposure, mounting height, controls, and model data are reviewed; results are site-specific. Air Curtains article Fresh Air and Dehumidification
Gym Fresh Air and Humidity
Plan gym fresh air and humidity control with occupancy CFM, odor load, moisture source, RH target, ERV/HRV fit, dehumidifier sizing, and duct routing. Fresh Air and Dehumidification article Bathroom Ventilation
Bathroom Exhaust Fan Duct Run
Review bathroom exhaust fan long duct runs by duct size, CFM, equivalent length, elbows, termination restriction, static pressure, sound, service access, and RFQ photos. Bathroom Ventilation article Commercial Duct Fans
Inline Fan vs Cabinet Fan
Compare inline fan vs cabinet fan and cabinet centrifugal fan requests by CFM, static pressure, duct route, accessories, service access, and model documents. Commercial Duct Fans article Cold Room Air Curtains
Cold Room Door Traffic
Cold air curtain and cold store air curtain review starts with door cycles, open time, cart or pallet traffic, temperature difference, adjacent humidity, frost or condensation signs, mounting clearance, voltage, controls, and current cold-storage model documents. Cold Room Air Curtains article Storage Room Moisture Control
Storage Room Ventilation
Compare dehumidifier vs ventilation, storage ventilation, utility room ventilation, storage building ventilation, and storage room dehumidifier planning. Storage Room Moisture Control article
Ventilation Planning
CFM vs ACH
Use ACH to compare room volume, then use CFM to select ventilation equipment for small commercial rooms, offices, cafes, restrooms, and storage spaces. Ventilation article Air Curtains
ASHRAE 90.1 Air Curtain Review
Review vestibule exception air curtain document requests by ASHRAE 90.1 wording, doorway inputs, AMCA evidence needs, listing needs, and current model documents. Air Curtains article
Air Curtains
Heated vs Unheated Air Curtains
Choose heated or unheated air curtains by entrance comfort, cold drafts, voltage, controls, electrical capacity, and mounting conditions. Air Curtains article Ventilation Fans
Basement Ventilation Review
Fix poor basement ventilation by diagnosing stale air, moisture, odor, duct paths, CFM targets, dehumidifier overlap, and equipment access before renovation. Ventilation Fans article Dehumidifiers
Undersized Dehumidifier Signs
Identify signs a commercial dehumidifier is undersized when humidity stays high, the unit runs constantly, condensation returns, or recovery takes too long. Dehumidifiers article
Restaurant Ventilation
Restaurant Makeup Air Review
Review when restaurant ventilation upgrades need makeup-air review by exhaust CFM, room balance, door drafts, transfer paths, duct pressure, and RFQ inputs. Restaurant Ventilation article Fresh Air Planning
Office Classroom Fresh Air
Plan office and classroom fresh air by occupancy changes, CFM, ACH, filter access, ERV/HRV fit, controls, service clearance, RFQ inputs, and schedule. Fresh Air article
Commercial Kitchen Airflow
Commercial Kitchen Support Airflow
Support commercial kitchen airflow by separating hood design from adjacent-room CFM, duct pressure, door separation, makeup air, RFQ inputs, and photos. Commercial Kitchen Airflow article Air Curtains
Heated Retail Air Curtain
Select a heated air curtain for retail entrances by door traffic, winter comfort, mounting height, voltage, controls, exposure, RFQ inputs, and photos. Air Curtains article
Air Curtains
Cross-Flow vs Centrifugal Air Curtains
Compare cross-flow and centrifugal air curtains by door width, mounting height, traffic, exposure, discharge reach, sound expectations, voltage, and controls. Air Curtains article
Commercial Duct Fans
EC Inline Fan Selection
Select an EC inline fan for commercial ventilation by controls, variable occupancy, CFM, static pressure, duct resistance, sound, and service access for RFQs. Commercial Duct Fans article Ventilation RFQ