Best Flux HVAC alternatives: apps like Flux HVAC: Tech Calculator

10+ similar apps compared and reviewed

4.1 avg rating

10 free apps

Updated October 2026

Flux HVAC: Tech Calculator

华陆

📊 Productivity

Looking for something like Flux HVAC? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Flux HVAC

#1

Refrigerant Charge Calculator by Mikhail Nikitin

HVACR Check PT Chart Superheat

Editor's Choice

4.7(26 ratings)

FreeIn-App Purchases

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This tool helps HVAC and refrigeration technicians quickly determine the correct refrigerant charge for various systems. It provides instant verdicts like 'Add,' 'Hold,' or 'Remove' based on superheat or subcooling measurements, supporting numerous refrigerants and unit conversions. The app functions offline and allows for saving job details and generating PDF reports.

#2

Ductulator - Duct Calculator by Mikhail Nikitin

HVAC Airflow Sizing & Design

Strong Contender

4.5(35 ratings)

FreeIn-App Purchases

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This app provides professional HVAC duct sizing and psychrometric calculations in a single tool. It offers detailed calculations for various duct types and materials, along with comprehensive humid air property analysis. Designed for HVAC professionals, it replaces traditional ductulators with accurate digital functionality.

#3

IN HVAC Calculator by Gregory Enterprises

HVAC Calculator & Reference

Worth Considering

4.1(10 ratings)

Free

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This app provides HVAC inspection tools and guidelines for home inspectors. It helps estimate equipment age, size, and requirements, giving inspectors confidence in their reports.

More apps like Flux HVAC

by Daikin Airconditioning UK Ltd

This app assists service engineers in the air conditioning industry with Daikin VRV, Altherma, Split, and Sky Air equipment. It provides tools for fault finding, including fault codes, refrigerant calculations, and diagnostic checks. The application also supports outdoor unit settings and operational procedures.

Fault code lookupAdditional charge calculationsPCB dip switch settings

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Access a vast database of HVAC models, manuals, and part lists to speed up your work. Utilize an AI-powered troubleshooting tool or connect with experienced technicians for real-time support.

500,000+ HVAC unit databaseManuals and part listsAI troubleshooting tool (MasterMechanic)

Compare with Flux HVAC

Carrier® Service Technician

Carrier® Service Technician

Carrier® Service Technician

by Carrier Corporation

This app helps HVAC/R technicians quickly identify and locate necessary parts for repairs on any equipment, whether for warranty or non-warranty services. It offers advanced tools for troubleshooting, system calculations, and accessing technical documentation, all from the job site.

AI Assistant for troubleshootingSystem Capacity CalculatorIntelligent Equipment Search

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All-in-one HVACR app

This app provides HVACR technicians with essential tools and information for field service. It includes refrigerant calculators, troubleshooting guides, product finders, and access to spare parts. Listen to educational podcasts to enhance your knowledge on the go.

Refrigerant Slider for P/T calculationsSolenoid valve coil testing toolRefrigeration system troubleshooting guide

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Connect . Install . Service

This app streamlines HVAC installation and service for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with comprehensive support for product information, warranty tracking, and locating resources.

Bluetooth setup and troubleshootingSystem monitoring and status checksAlarm diagnosis and history

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ServiceTitan Field

ServiceTitan Field

ServiceTitan Field

The go-to tool for technicians

Empower field technicians with comprehensive job history, customer profiles, and on-site sales tools. Streamline workflows with real-time office synchronization, eliminating the need for manual paperwork and enabling seamless job completion and payment processing.

Job history and customer profilesOn-site estimate buildingRecord completed work with photos

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ServiceTitan Mobile

ServiceTitan Mobile

ServiceTitan Mobile

by ServiceTitan Inc.

This app empowers plumbing, HVAC, and electrical contractors to enhance customer interactions and boost sales. It provides tools for dispatching, estimating, payment collection, and presenting options, streamlining technician workflows for improved business outcomes.

Customer experience enhancementSales performance improvementTechnician workflow optimization

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