Virtual (Zoom)
Our Under Pressure: House Pressure & Chimney Systems class on August 20, 2026 gives technicians the knowledge they need to diagnose one of the industry's most misunderstood problems: house pressure.
This virtual course is built for chimney professionals who want to go beyond treating symptoms and start identifying the root cause of draft and venting issues. You'll learn how the house functions as a system, how pressure is created by both passive and mechanical forces, and why those pressure relationships have such a significant impact on chimney performance.
Understanding house pressure is essential for diagnosing draft and venting problems. In Under Pressure: House Pressure & Chimney Systems, you'll learn how the house functions as a system, what causes pressure imbalances, and how those conditions affect chimney performance and safety. Through practical instruction in this one-day class, you'll gain confidence using a digital manometer, performing pressure testing, interpreting results, and identifying effective solutions to common house pressure issues you can apply in the field.
The National Chimney Sweep Guild offers virtual Under Pressure: House Pressure & Chimney Systems classes throughout the spring and summer. Class will begin at 8:00 am CT and end at 4:00 pm CT with a 45-minute lunch break and a few 10-minute breaks throughout the day. A class handout and other course materials will be emailed prior to the class.
If your company is a National Chimney Sweep Guild member, registration is $499 per attendee.
The non-member rate is $599. Join the Guild today to enjoy discounted registration! Membership dues are prorated based on the calendar date.
🚨 Registration closes on Monday, August 17, 2026.
NCSG: 5 Technical, 1 Codes & Standards
CSIA: 4.5 Technical, 1.5 Codes & Standards
NFI: 6 Technical
The instructor for the class is Jonathan Erdman, NCSG Education Director. If you have questions about the class content, you can reach Jonathan at education@ncsg.org or 540-575-0512.
This is an interactive virtual training course. Participants should expect to actively engage throughout the session and complete diagnostic exercises using their own manometer. The class is designed to provide practical, real-world applications rather than lecture-only instruction.
Attendees are encouraged to ask questions, share field experiences, and participate in discussion throughout the program.