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Heat Loss Calculator
Project Name
Building Dimensions
Length
m
Width
m
Eaves Height
m
Apex Height
m
Design Parameters
Internal Design Temperature
°C
External Air Temperature
°C
Temperature Rise
∆t
Air Change Rate
m
3
/h
Building Fabric Detail
Wall 1:
Length
m
2
Width
m
2
Wall 1 U Value
W/m
2
K
Wall 1 Glazing
% of Wall
Glazing U Value
W/m
2
K
Doors:
Quantity
Width
m
Height
m
U Value
W/m
2
K
Wall 2:
Length
m
2
Width
m
2
Wall 2 U Value
W/m
2
K
Wall 2 Glazing
% of Wall
Glazing U Value
W/m
2
K
Doors:
Quantity
Width
m
Height
m
U Value
W/m
2
K
Wall 3:
Length
m
2
Width
m
2
Wall 3 U Value
W/m
2
K
Wall 3 Glazing
% of Wall
Glazing U Value
W/m
2
K
Doors:
Quantity
Width
m
Height
m
U Value
W/m
2
K
Wall 4:
Length
m
2
Width
m
2
Wall 4 U Value
W/m
2
K
Wall 4 Glazing
% of Wall
Glazing U Value
W/m
2
K
Doors:
Quantity
Width
m
Height
m
U Value
W/m
2
K
Building Values
Floor U Value:
W/m
2
K
Roof U Value:
W/m
2
K
Roof Glazing
% of Roof
Glazing U Value
W/m
2
K
