Apps Like NHR for iPhone and iPad
NHR screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


HVACR Check & Charge
Copeland LP
Calculate refrigerant charges instantly
Calculate refrigerant charges for systems using built-in formulas. Input system parameters to determine correct levels for R-22, R-410A, R-32, and other refrigerants. Save and export calculation results for record-keeping.


P-T Calculator
National Refrigerants, Inc.
Calculate pressure and temperature
Calculate pressure and temperature values for refrigerants. Input pressure or temperature to automatically compute the other. Display superheat and subcool values. Show saturated vapor and liquid values for blends. Switch between refrigerant types.




HVAC Refrigerant PT
Cyberprodigy LLC
HVAC/R pressure-temperature reference tool.
The app provides pressure-temperature reference data for 55 refrigerants, including PT charts and superheat/subcooling calculations. It offers detailed refrigerant information and works offline without requiring an account or ads.




Forane® Refrigerants Tool Belt
Arkema Inc.
Refrigerant data for HVACR professionals.
The app offers electronic pressure-temperature charts for refrigerants. Users can input pressure or temperature readings to receive corresponding values and calculate subcooling and superheat.



SMART Service Tool
Rodrigo Miranda
Convert pressure to temperature
Select refrigerant types and units of measure. Calculate superheat and subcooling using NIST data. Convert pressure to temperature. Display custom data settings. Connect Bluetooth sensors for real-time readings.

Daikin Service
Daikin Airconditioning UK Ltd
Support for Daikin air conditioning engineers.
The app supports service engineers working with Daikin air conditioning equipment. It covers functions for fault finding, including fault codes, charge calculations, and various outdoor unit settings.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.