LineSetCalc™ - Split System AC&HP LineSet Calculator
Provide inputs in the
boxes, and move sliders.
A tight bend or LR 90°
fitting in the vapor line
is assumed to also be in
the liquid line.
Use of a Tubing Bender
is the preferred method
Pairs of tight
bends or 90°s
Use low stage capacity
for 2 stage systems.
Capacity at design
conditions is preferred.
Liquid line Calculations
Vapor line Calculations
For new installations and equipment change outs, lineset sizing is critical for full capacity, efficient operation and long lasting compessor performance. This is especially important when indoor and outdoor units are separated by a long distance or height. Start Kits and non-bleed (hard shut-off) TXVs or Liquid Line Shutoff Solenoids can prevent problems associated with this. Accessories like Crankcase Heaters are absolutely necessary. It is no wonder that manufacturers who include these as standard, have a reputation for quality.
Maximum Vapor Line Temperature Drop (from friction loss)
Maximum Liquid Line Temp. Drop (from friction loss)
R-22 Maximum Total Effective Length without "Long Line" protection
Minimum Riser Vapor Velocity
R-410a Maximum Total Effective Length without "Long Line" protection
Minimum Horizontal Vapor Velocity
Maximum Total Effective Length with "Long Line" protection
Maximum Vertical Separation Compressor Below
Maximum Vertical Separation Compressor Above
The information contained in this calculator represents the opinions and suggestions of Efficient Comfort and the application of the equipment and system suggestions by Efficient Comfort are suggestions and guidelines only. Efficient Comfort does not assume responsibility for the performance of any system as a result of these suggestions. The systems engineer is responsible for the system design and performance.
Copyright © 2006 -