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RESULTS for SAP CALCULATIONS
ENERGY LEVEL PERFORMANCE - using rigid ducting only
Exhaust Terminal Configuration
Fan Speed Setting
Specific Fan Power
(W/l/s)
EST Best Practice
Performance Compliant
K
1
additional wet room
100% variable
0.20
Yes
K
2
additional wet rooms
100% variable
0.26
Yes
K
3
additional wet rooms
100% variable
0.34
Yes
K
4
additional wet rooms
100% variable
0.44
Yes
K
5
additional wet rooms
100% variable
0.55
Yes
Figures from BRE test results at minimum flow rate conditions
RESULTS for Approved Document F
Exhaust Terminal
Configuration
Fan Speed Setting
Total
Flow Rate
(l/sec)
Total Flow Rate
(wind condition)
(l/sec)
% reduction of
Total Flow Rate
K
1
additional wet
room
100% variable
21.0
19.3
8
K
2
additional wet
rooms
100% variable
29.0
27.9
4
K
3
additional wet
rooms
100% variable
37.0
36.3
2
K
4
additional wet
rooms
100% variable
45.0
44.2
2
K
5
additional wet
rooms
100% variable
53.0
52.5
1
Figures from BRE test results
Slimline, whole house, mechanical extract ventilation - MEV
Microbox 125/2DC
-B
Technical Characteristics - SAP Results
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