Certified Ventilation Inspector

Posted by & filed under Ductworks Press Release.

Local HVAC System Inspector Achieves Prestigious Certification WASHINGTON, DC –  Local contractors Donald Kaufman, Paul Frisk, Edward Frisk, and Jason Erb of Ductworks, Inc has successfully completed the examination process to be named a Certified Ventilation System Inspector (CVI). The certification, which is administered by NADCA – The HVAC Inspection, Maintenance and Restoration Association, is… Read more »

Air Pathways and Indoor Air Quality

Posted by & filed under Indoor Air Quality, Understanding Ventilation Systems.

Air pathways are a key component of indoor air quality. Understanding and improving air pathways will greatly improve your indoor air quality. Understanding Air Pathways Air flow is created by pressure differentials.  Air flow always flows from higher relative pressure to lower relative pressure.  Air will flow through any available opening (pathway) in an attempt… Read more »