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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
25%
0.38
Yes
K
2
additional wet rooms
25%
0.41
Yes
K
3
additional wet rooms
50%
0.49
Yes
K
4
additional wet rooms
50%
0.65
No
Figures from BRE test results at minimum flow rate conditions
RESULTS for Approved Document F
Exhaust Terminal Configura-
tion
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
25%
21.0
19.3
8
K
2
additional wet
rooms
25%
29.0
26.8
8
K
3
additional wet
rooms
50%
37.1
35.3
5
K
4
additional wet
rooms
50%
45.0
44.3
2
Figures from BRE test results
Slimline, whole house, mechanical extract ventilation - MEV
Microbox 125/2DC
Technical Characteristics - SAP Results
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