Best Refrigerant Charge Calculator alternatives: apps like Refrigerant Charge Calculator

10+ similar apps compared and reviewed

4.1 avg rating
10 free apps
Updated November 2026

Whether you want more options like Refrigerant Charge Calculator or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Refrigerant Charge Calculator

More apps like Refrigerant Charge Calculator

4
HVAC Calculator: Load & Charge
HVAC Calculator: Load & Charge
HVAC Calculator: Load & Charge
Superheat, Manual J & Subcool
Free
🔧 Utilities
(0)
5
Superheat Subcooling PT Chart
Superheat Subcooling PT Chart
Superheat Subcooling PT Chart
HVAC charging & PT chart
Free
🔧 Utilities
(0)
6
HVAC Load Calculator Manual J
HVAC Load Calculator Manual J
HVAC Load Calculator Manual J
AC, Heat Pump & Furnace Sizing
Free

This app provides professional HVAC load calculations for field technicians. It offers multiple accuracy levels, from quick estimates to detailed analysis, and supports room measurement via LiDAR. Generate professional PDF reports and document site details.

Manual J 8th Edition calculationsThree accuracy levels: Simple, Moderate, ProLiDAR room measurement (iOS 16+)
🔧 Utilities
(44)
free with in-app purchases
7
Flux HVAC: Tech Calculator
Flux HVAC: Tech Calculator
Flux HVAC: Tech Calculator
Superheat, Duct & PT Chart
Free

This professional toolkit helps HVAC technicians diagnose issues, charge systems accurately, and validate work with essential calculators. It offers offline functionality for superheat, subcooling, duct sizing, system performance, psychrometrics, and capacitor testing.

Superheat and Subcooling CalculatorsDuct Sizing with VisualizerSystem Performance (BTU/Ton) Calculation
🔧 Utilities
(2)
free
8
Refrigeration.AI
Refrigeration.AI
Refrigeration.AI
Intelligent Refrigeration
Free

This application uses AI to help manage and optimize refrigeration systems. It provides guidance on system sizing, safety, regulations, and educational resources to improve efficiency and reliability.

AI-driven system optimizationManuals and regulations librarySafety procedures guidance
🔧 Utilities
(20)
free
9
HVAC AI: Tools & Simulator
HVAC AI: Tools & Simulator
HVAC AI: Tools & Simulator
Diagnose, PT chart, PDF quotes
Free

This app provides HVAC technicians with AI-powered diagnostic tools, a refrigerant slider, calculators, and a simulator. It helps diagnose faults, calculate values, and create professional quotes, all from a mobile device.

AI-powered fault diagnosisDigital refrigerant PT chartSuperheat and subcooling calculators
🔧 Utilities
(2)
free with in-app purchases
10
HVAC Pro Calculator: NEC + P-T
HVAC Pro Calculator: NEC + P-T
HVAC Pro Calculator: NEC + P-T
BTU, Duct, P-T & Voltage
Free

This app provides essential tools for HVAC technicians and electricians, including BTU load sizing, duct calculations, and refrigerant pressure-temperature charts. It offers a free tier with core functions and an optional Pro upgrade for advanced features like voltage drop calculations and unlimited job saving.

BTU & Cooling Load SizingDuct Sizing CalculationsNEC Voltage Drop & Wire Sizing
🔧 Utilities
(2)
freemium