Best Freone Apps

A/C Pro

DIY auto A/C recharge

Free

This app guides you through recharging your vehicle's air conditioning system with step-by-step instructions tailored to your specific car. It offers video tutorials, helps locate the low side pressure port, and provides essential vehicle specifications for a successful DIY recharge.

Refrigerant Calculator

by Caio Pinheiro

Free

This reference tool converts pressure and temperature for industrial refrigeration. It supports common refrigerants like ammonia and freon, allowing professionals to easily calculate values such as overheating for compressors and condensers.

Contactor - HVAC Portal

HVAC Assistant for Techs

Free

This app connects HVAC technicians with local suppliers, offering real-time refrigerant pricing, appointment booking, and a community forum. It streamlines daily tasks for professionals by providing essential tools and information in one place.

HVAC Pro Calculator: NEC + P-T

Duct · Voltage · Refrigerant

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.

TechApp for Audi

Technical information

$2.99

Access detailed technical information for car repair and maintenance. Covers general data, chassis, torques, fuel and brake systems, lighting, and fluid intervals for various car models. Data adheres to automaker recommendations.

FieldPad: HVAC Service Pro

EPA Compliance & Invoicing

Free

This app helps HVAC and refrigeration technicians manage compliance, track refrigerant inventory, and create professional invoices. It offers offline functionality and features like glove mode for field use. A free version is available with generous limits, with an optional Pro subscription for unlimited access.