Chilled Water Makeup Calculator

Calculates makeup water requirements for chilled water systems including expansion and losses.

Total piping and equipment.
gallons
Difference between min and max.
°F
Typical 2-5% per year.
%

Results

Thermal Expansion Volume-gallons
Annual Makeup Required-gallons
Minimum Expansion Tank Size-gallons
References: ASHRAE Applications, Hydronic System Design