Engineering Design Guide
HBH SERIES
Heat Controller, Inc.
12
Antifreeze Correction Table
Antifreeze Type
Antifreeze %
Cooling
Heating
WPD
Corr. Fct.
EWT 30°F
EWT 90°F
EWT 30°F
Total Cap
Sens Cap
Power
Htg Cap
Power
Water
0
1.000
1.000
1.000
Propylene Glycol
5
0.995
0.995
1.003
0.989
0.997
1.070
15
0.986
0.986
1.009
0.968
0.990
1.210
25
0.978
0.978
1.014
0.947
0.983
1.360
Methanol
5
0.995
0.995
1.002
0.989
0.997
1.070
15
0.990
0.990
1.007
0.968
0.990
1.160
25
0.982
0.982
1.012
0.949
0.984
1.220
Ethanol
5
0.998
0.998
1.002
0.981
0.994
1.140
15
0.994
0.994
1.005
0.944
0.983
1.300
25
0.986
0.986
1.009
0.917
0.974
1.360
Ethylene Glycol
5
0.998
0.998
1.002
0.993
0.998
1.040
15
0.994
0.994
1.004
0.980
0.994
1.120
25
0.988
0.988
1.008
0.966
0.990
1.200