Find a Product
“Air flow provides the additional level of support and service necessary to help contractors and engineers deliver superior buildings to their customers. From the initial selection all the way through start-up, Air Flow is ready with answers, suggestions and solutions for all of the products they represent.”
Bert Fredericksen
Fredericksen Engineering, Inc.
Business Forms
- Credit Application for New Customers
Download and return completed form to establish credit with Air Flow.
Fax completed form to accounting at 414-351-0850 – or scan and email to: DTewinkel@airflowinc.biz W-9 With Taxpayer ID Number
Download to keep for your records.WI Resale Tax Exempt Certificate
Download to keep for your records.

It's in the details!
That's just one of the ways we make your job easier. You'll rest easier knowing the status of your projects with Air Flow. From supplier and product descriptions to estimated lead times, release status and ship dates, our Customer Job Reports put the critical data at your fingertips.
