Air Tightness Testing Course
This course teaches mastery of blower door testing, leak detection, and air sealing for homes. Participants learn to plan tests, analyse ACH50 results, document findings, and provide energy-efficient, compliant construction that builds client confidence. It covers safe preparation, equipment setup, leak identification with advanced tools, sealing strategies, calculations, result interpretation, and professional reporting for energy savings and incentives.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain expertise in planning and conducting precise blower door tests, safely preparing buildings, and correctly setting up equipment. Master leak detection using smoke, infrared, and pressure tools, develop targeted sealing plans for critical areas, calculate ACH50 values, interpret test outcomes, and produce professional reports that promote energy efficiency and qualify for incentives.
Elevify advantages
Develop skills
- Plan blower door tests by setting up, running, and documenting airtightness professionally.
- Detect leaks quickly using smoke, infrared, and pressure tools for accurate air sealing.
- Design cost-effective air sealing retrofits with specific ACH50 improvement targets.
- Calculate and interpret ACH50 to explain effects on comfort, energy use, and moisture control.
- Produce professional client reports featuring leak maps, photos, and evidence for incentives.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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