Envelope Area Calculation for Blower Door Testing
Get your building envelope calculated accurately to meet the requirements for airtightness testing.
We offer precise envelope area calculations based on the following standards:
ATTMA (TSL1/TSL2) – NZ AUS standards
Passive House (PHI) – International Passive House methodology
ISO 9972 – International Standard for airtightness testing
This service ensures your blower door test result (ACH, n50, or q50) is calculated correctly and can be submitted for compliance, certification, or quality assurance.
✅ Suitable for:
Residential and commercial buildings
New builds or existing homes
Passive House projects
Compliance with H1 / energy efficiency goals
What you get:
Accurate envelope calculation based on your plans or as-built drawings
Standard-specific area breakdown (floor, wall, ceiling)
Clear documentation for submission or audit
Optional: On-site verification if needed (additional fee)
Get your building envelope calculated accurately to meet the requirements for airtightness testing.
We offer precise envelope area calculations based on the following standards:
ATTMA (TSL1/TSL2) – NZ AUS standards
Passive House (PHI) – International Passive House methodology
ISO 9972 – International Standard for airtightness testing
This service ensures your blower door test result (ACH, n50, or q50) is calculated correctly and can be submitted for compliance, certification, or quality assurance.
✅ Suitable for:
Residential and commercial buildings
New builds or existing homes
Passive House projects
Compliance with H1 / energy efficiency goals
What you get:
Accurate envelope calculation based on your plans or as-built drawings
Standard-specific area breakdown (floor, wall, ceiling)
Clear documentation for submission or audit
Optional: On-site verification if needed (additional fee)
Get your building envelope calculated accurately to meet the requirements for airtightness testing.
We offer precise envelope area calculations based on the following standards:
ATTMA (TSL1/TSL2) – NZ AUS standards
Passive House (PHI) – International Passive House methodology
ISO 9972 – International Standard for airtightness testing
This service ensures your blower door test result (ACH, n50, or q50) is calculated correctly and can be submitted for compliance, certification, or quality assurance.
✅ Suitable for:
Residential and commercial buildings
New builds or existing homes
Passive House projects
Compliance with H1 / energy efficiency goals
What you get:
Accurate envelope calculation based on your plans or as-built drawings
Standard-specific area breakdown (floor, wall, ceiling)
Clear documentation for submission or audit
Optional: On-site verification if needed (additional fee)