Airtightness Testing by Building Type | Standalone Homes, Apartments & Commercial Buildings Explained
Description:
Confused by airtightness testing requirements for different building types?
This video series breaks down how building typology affects airtightness design, detailing, and test results.
In this episode: Typology Series: Part 3c – Apartments: Whole Building Test
If you want to understand how much heat is escaping from your building, you need to test the entire conditioned envelope—not just individual units.
That includes all apartments, corridors, stairwells, and lobbies—as long as they’re inside the insulated and airtight envelope.
The test setup is simple in theory, but only if those shared spaces have no permanent openings to the outside and can be prepared properly. Otherwise, your "straightforward" test turns into a leaky mess.
We’ll cover:
✔️ What counts as the conditioned zone
✔️ How to define the airtight boundary
✔️ Common air leakage points (service risers, garage walls, corridors, etc.)
✔️ Best practices for blower door test setup
✔️ How design mistakes impact test results
Description:
Confused by airtightness testing requirements for different building types?
This video series breaks down how building typology affects airtightness design, detailing, and test results.
In this episode: Typology Series: Part 3c – Apartments: Whole Building Test
If you want to understand how much heat is escaping from your building, you need to test the entire conditioned envelope—not just individual units.
That includes all apartments, corridors, stairwells, and lobbies—as long as they’re inside the insulated and airtight envelope.
The test setup is simple in theory, but only if those shared spaces have no permanent openings to the outside and can be prepared properly. Otherwise, your "straightforward" test turns into a leaky mess.
We’ll cover:
✔️ What counts as the conditioned zone
✔️ How to define the airtight boundary
✔️ Common air leakage points (service risers, garage walls, corridors, etc.)
✔️ Best practices for blower door test setup
✔️ How design mistakes impact test results
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