Instant diagnostic tools, sizing algorithms, and thermodynamic conversions designed for HVAC/R field engineers.
Calculate room heat load for accurate AC sizing
Convert area directly to required cooling tonnage
Check target vs actual superheat for TXV systems
Measure liquid line subcooling for charge verification
Advanced sensible/latent load
Friction rate & duct dims
Refrigerant line sizing
Saturation pressure-temp
Line set charge addition
Volume & compression ratio
Microns to inHg / Torr
Airflow volume measurement
FPM in duct cross-sections
Wet bulb & relative humidity
Approach & range efficiency
Running cost estimation
Wire length voltage loss
Efficiency metric converter
kW to BTU/hr to Tons
