Ceiling Crawler's Ventilation Expertise Page

Here's where it's at.

Learn Ventilation 101 Ductwork Dynamics Ventilation Maintenance

Expertise Areas:

At Ceiling Crawler's, we're experts at crawling, venting, and maintaining the air you breathe.

V = P * D / (R + F) Where: V = Ventilation rate (cfpm) P = Pressure difference (inches of water) D = Duct diameter (inches) R = Duct resistance (in ohms) F = Fan power (watts)