← Resources
HVAC-R unit converter
Convert pressure, temperature, capacity and air flow instantly. Free, no charts.
Pressure conversions are expressed as gauge pressure for PSI ↔ bar ↔ kPa. Temperature uses the standard conversion formulas. 1 TR (ton of refrigeration) = 12,000 BTU/h = 3.517 kW.
Your calculations, always at hand in the field
With the Lissi app your technicians have everything they need, even without signal.
Get started free