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Australian Hydronic Supplies
10 Frankston Gardens Drive
Carrum Downs, Victoria,
Australia 3201
Calculate the heat output at various room and water flow temperature of
40
o
C
Floor
covering
Pipe spacing
Room temp
15
o
C
Room temp
18
o
C
Room temp
20
o
C
Room temp
22
o
C
Room temp
24
o
C
mm
W/M
2
– Floor
o
C
W/M
2
– Floor
o
C
W/M
2
– Floor
o
C
W/M
2
– Floor
o
C
W/M
2
– Floor
o
C
Masonry
tiles
50
180 -27.8
158 – 29.3
143 – 30.2
130 – 29.3
115 – 32.2
100
168 - 27.0
147 – 28.5
134 – 29.5
120 – 28.6
108 – 31.7
150
154 – 26.0
134 – 27.6
122 – 28.7
110 – 27.9
99 – 31.1
200
140 – 25.0
123 – 26.8
111 - 28.0
100 – 27.2
90 – 30.5
250
125 – 23.9
110 – 25.9
100 – 27.2
90 – 26.5
80 – 29.6
300
110 – 22.8
97 – 24.9
88 – 25.7
80 – 25.7
70 – 29.1
PVC
parquetry
50
150 – 26.7
132 – 27.5
120 - 28.6
108 29.7
96 – 30.8
100
140 – 25.0
124 – 26.9
112 – 28.0
101 – 29.3
90 – 30.4
150
130 – 24.3
113 – 26.1
103 – 27.4
93 – 28.7
83 – 29.9
200
117 – 23.4
103 – 25.4
94 – 26.8
84 – 28.1
75 – 29.3
250
105 – 22.5
92 – 24.0
84 – 26.0
75 – 27.5
67 – 28.8
300
92 – 21.6
81 – 23.3
73 – 25.2
66 – 26.7
59 – 28.2
Carpet
50
118 – 23.4
104 – 25.5
95 – 26.7
85 – 28.1
76 – 29.4
100
111 – 22.9
98 – 25.0
89 – 26.3
80 – 27.7
71 – 29.1
150
103 – 22.3
90 – 24.5
82 – 25.9
74 – 27.3
66 – 28.7
200
94 – 21.7
83 – 23.9
75 – 25.3
67 – 26.8
60 – 28.7
250
85 – 21.0
75 – 23.3
68 – 24.8
61 – 26.3
60 - 27.8
300
75 – 20.3
66 – 22.7
60 – 24.3
54 – 25.8
48 – 27.4
Calculate the heat output at various room and water flow temperature of
45
o
C
Floor
covering
Pipe spacing
Room temp
15
o
C
Room temp
18
o
C
Room temp
20
o
C
Room temp
22
o
C
Room temp
24
o
C
mm
W/M
2
– Floor
o
C
W/M
2
– Floor
o
C
W/M
2
– Floor
o
C
W/M
2
– Floor
o
C
W/M
2
– Floor
o
C
Masonry
tiles
50
215 - 30.4
194 – 31.8
180 – 33.7
165 – 33.7
151 – 34.8
100
200 - 29.3
180 – 20.9
167 – 31.9
154 – 33.0
140 – 34.0
150
184 - 28.2
165 – 29.8
152 – 30.9
141 – 32.1
129 – 33.2
200
168 - 27.0
150 – 28.7
140 – 30.0
129 – 31.2
118 – 32.4
250
150 - 25.7
134 – 27.6
124 – 28.9
114 – 30.1
105 – 31.5
300
132 - 24.4
118 – 26.4
110 – 27.9
101 – 29.2
92 – 30.6
PVC
parquetry
50
180 – 27.8
162 – 29.6
150 – 30.7
138 – 31.8
125 – 32.9
100
167 – 27.0
151 – 28.9
140 – 30.0
129 – 31.2
117 – 32.4
150
154 – 26.0
140 – 28.0
129 – 29.2
118 – 30.5
108 – 31.7
200
140 – 25.0
127 – 27.0
117 – 28.4
108 – 29.7
98 – 31.0
250
125 – 23.9
114 – 26.1
105 – 27.6
96 – 28.9
88 – 30.3
300
110 – 22.8
100 – 25.6
92 – 26.6
84 – 28.1
77 – 29.5
Carpet
50
141 – 25
127 – 27.1
118 – 28.4
109 – 29.8
99 – 31.0
100
132 – 25
120 – 26.6
111 – 27.9
102 – 29.3
93 – 30.6
150
122 – 24
112 – 26.0
103 – 27.3
95 – 28.8
86 – 30.2
200
112 – 23
102 – 25.3
94 – 26.7
86 – 28.2
79 – 29.6
250
102 – 22
92 – 24.6
85 – 26.1
78 – 27.6
71 – 29.6
300
90 - 22
81 – 23.8
74 – 25.3
69 – 26.9
63 – 28.5
Note:
Outputs shown thus 140 – 30.0 are the preferred combination of pipe spacing and room
temperature