NCC 2022 Volume Two - Building Code of Australia Class 1 and 10 buildings
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44
Specification 44 Calculation of heating load limit, cooling load limit and thermal energy load limitSpecification 44 Calculation of heating load limit, cooling load limit and thermal energy load limit
S44C1
Scope
New for 2022
This Specification contains the method of calculating the heating load limit, cooling load limit and thermal energy load limit for compliance with J1P2 and H6P1.
S44C2
Heating load limit
New for 2022
The heating load limit of a space, measured in MJ/m2.annum, is equal to the greater of—
Total area of habitable rooms (AH) | Area adjustment factor (FH) |
---|---|
≤ 50 m2 | 1.37 |
> 50 m2 to ≤ 350 m2 |
|
> 350 m2 | 0.84 |
S44C3
Cooling load limit
New for 2022
Total area of the habitable rooms (AH) | Area adjustment factor (FC) |
---|---|
≤ 50 m2 | 1.34 |
> 50 m2 and ≤ 200 m2 |
|
> 200 m2 and ≤ 1000 m2 |
|
> 1000 m2 | 0.71 |
S44C4
Thermal energy load limit
New for 2022
Total area of habitable rooms (AH) | Area adjustment factor (FH) |
---|---|
≤ 50 m2 | 1.37 |
> 50 m2 to ≤ 350 m2 |
|
> 350 m2 | 0.84 |
Total area of the habitable rooms (AH) | Area adjustment factor (FC) |
---|---|
≤ 50 m2 | 1.34 |
> 50 m2 and ≤ 200 m2 |
|
> 200 m2 and ≤ 1000 m2 |
|
> 1000 m2 | 0.71 |