HVAC & Piping
HVAC & Piping
HVAC and piping calculators.
HV
NewGas Pipe Size Calculator
Size natural gas or propane pipe with the NFPA 54 / IFGC longest-length method. Enter the total BTU load and the longest run to get the minimum Schedule 40 pipe size and its capacity in CFH. Free, no sign-up.
HVAC & Piping
HV
NewDrainage Fixture Unit (DFU) Calculator
Size sanitary drainage pipe from drainage fixture units. Add fixtures to total the DFU load, then get the minimum building drain, branch, or stack size per IPC Table 710.1. Free, no sign-up.
HVAC & Piping
HV
NewDrain Slope Calculator
Calculate drain pipe slope for DWV and sewer lines. Find the total fall from a run and pitch, or the slope from a measured drop, and check it against the IPC minimum grade by pipe size. Free, no sign-up.
HVAC & Piping