Best Hvac Check Charge Apps

237+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated May 2026

Looking for free hvac check charge apps? 19 of our 237+ tracked titles are free to download โ€” no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Hvac Check Charge

HVACR Check & Charge#1

HVACR Check & Charge by Copeland LP

PT Charts Superheat Subcooling
Editor's Choice
๐Ÿ” Reference
4.8๐Ÿ˜Š(17K ratings)
Free
HVACR Check & Charge screenshot 1
HVACR Check & Charge screenshot 2
HVACR Check & Charge screenshot 3
HVACR Check & Charge screenshot 4
HVACR Check & Charge screenshot 5
HVACR Check & Charge screenshot 6

This app provides an instant mobile refrigerant charge calculator for HVACR applications. It supports various refrigerants and allows users to calculate the correct system charge based on superheat, subcooling, or airflow, along with environmental conditions.

What We Love

  • ๐Ÿš€ Convenient
  • ๐Ÿš€ Great program
  • ๐Ÿš€ Reliable app
  • ๐Ÿš€ Easy and quick charging reference

Room to Improve

  • ๐Ÿ› Pressure settings not helpful
  • ๐Ÿ”’ Concerning privacy policy
  • ๐Ÿ› Restricted temperature range
SuperCool Slide Rule HVAC#2

SuperCool Slide Rule HVAC by Designstein, llc

Strong Contender
๐Ÿ”ง Utilities
4.2(185 ratings)
Free
SuperCool Slide Rule HVAC screenshot 1
SuperCool Slide Rule HVAC screenshot 2
SuperCool Slide Rule HVAC screenshot 3
SuperCool Slide Rule HVAC screenshot 4
SuperCool Slide Rule HVAC screenshot 5

This app offers a comprehensive suite of tools for HVAC technicians. It provides interactive guides, step-by-step repair instructions, and calculators for various HVAC calculations including superheat, subcooling, and duct sizing.

measureQuick HVAC#3

measureQuick HVAC by Manifold Cloud Services Ltd.

Connect. Perform. Prosper.
Worth Considering
๐Ÿ“Š Productivity
5.0๐Ÿ˜(5 ratings)
Free
measureQuick HVAC screenshot 1
measureQuick HVAC screenshot 2
measureQuick HVAC screenshot 3
measureQuick HVAC screenshot 4
measureQuick HVAC screenshot 5
measureQuick HVAC screenshot 6

This application helps HVAC technicians diagnose and repair systems quickly and accurately. It offers robust diagnostic tools to identify problems faster, leading to fewer callbacks and more satisfied customers. It supports various HVAC systems, making it an all-in-one solution for professionals.

What We Love

  • ๐Ÿ‘ Excellent diagnostic tool
  • ๐Ÿš€ Improves efficiency and standardization
  • ๐Ÿ’ก Elevates the HVAC industry
  • ๐Ÿ‘ Useful for both experienced and junior technicians

Room to Improve

  • ๐Ÿ› Frequent crashes and stability issues
  • ๐Ÿ”’ Too much personal information required
  • ๐Ÿ’ฐ Overpriced, especially for the paid features

More Hvac Check Charge apps to explore

4
Bluon HVAC
Bluon HVAC
Bluon HVAC
HVAC Tools
Free

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)
๐Ÿ”ง Utilities
(4.4K)
ad-supported
5
Danfoss Troubleshooter
Danfoss Troubleshooter
Danfoss Troubleshooter
Troubleshoot HVACR systems
Free

This app helps HVACR technicians diagnose and resolve system issues. It guides users through common symptoms, identifies potential causes, and recommends solutions. An offline database is available for use in remote locations.

Diagnose HVACR system issuesIdentify common symptomsRecommend solutions
๐Ÿ”ง Utilities
(3)
free
6
Ref Tools
Ref Tools
Ref Tools
All-in-one HVACR app
Free

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
๐Ÿ”ง Utilities
(47)
free
7
P-T Calculator
P-T Calculator
P-T Calculator
by National Refrigerants, Inc.
Free

This tool simplifies HVAC/R technician tasks by calculating pressure/temperature relationships, superheat, and subcool. It automatically adjusts for altitude and offers English/Metric units. Easily access favorite refrigerants and supplementary information.

Pressure/Temperature calculationSuperheat/Subcool calculationAutomatic altitude correction
๐Ÿ” Reference
(51)
free
8
HVAC Calculator Load Pro
HVAC Calculator Load Pro
HVAC Calculator Load Pro
Built for HVAC Specialists
Free
$12.99 | 100% OFF

This tool provides fast, accurate HVAC load calculations for residential systems. It helps professionals size furnaces, air conditioners, and gas equipment correctly, avoiding guesswork and spreadsheets for confident client recommendations and more closed bids.

Fast HVAC BTU calculationsResidential furnace & AC sizingClimate-aware calculations
๐Ÿ“Š Productivity
(1)
free with in-app purchases
9
HVAC School
HVAC School
HVAC School
By Techs For Techs
Free

This app serves as a comprehensive resource for HVAC technicians, offering a podcast, tech tip articles, and interactive calculators. It aims to enhance knowledge of HVAC theory, industry updates, and essential mathematics for both current and aspiring professionals.

HVAC School podcast episodesTech tip articles by professionalsInteractive HVAC equation calculators
๐Ÿ“š Education
(81)
free
10
Fieldpiece Job Link
Fieldpiece Job Link
Fieldpiece Job Link
by Fieldpiece Instruments, Inc
Free

This app connects wirelessly with compatible HVACR tools to help professionals troubleshoot, diagnose, and evaluate HVACR systems. It serves as a central hub for managing wireless tools and business solutions, linking your equipment to your jobs.

Wireless tool connectivitySystem troubleshootingDiagnostic capabilities
๐Ÿ’ผ Business
(490)
free
11
CE HVAC Pro+
CE HVAC Pro+
CE HVAC Pro+
HVAC Tools
Free

This app provides HVAC technicians with instant access to product information, including warranty status, inventory, and technical specifications. It offers real-time support, order tracking, and helpful calculators to streamline job management and business growth.

Real-time product availability & pricingOrder status and notificationsVideo/Text technical support
๐Ÿ“Š Productivity
(1.5K)
free with in-app purchases
12
RefrigCharge
RefrigCharge
RefrigCharge
HVAC Refrigerant Calculator
$4.99
๐Ÿ”ง Utilities
(0)
13
IN HVAC Calculator
IN HVAC Calculator
IN HVAC Calculator
HVAC Calculator & Reference
Free

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.

Equipment circuit requirements calculatorAC tonnage estimation by model numberHVAC manufacture date lookup
๐Ÿ”ง Utilities
(11)
free
14
iManifoldCR
iManifoldCR
iManifoldCR
IManifold App for Clearesult
Free

This app helps HVAC/R professionals calculate system performance and troubleshoot issues. It supports over 40 refrigerants and offers equipment profiling for various common systems.

HVAC/R system performance calculationTroubleshoot system problemsUser inputs and live system data
๐Ÿ“Š Productivity
(11)
free
15
Carrierยฎ Service Technician
Carrierยฎ Service Technician
Carrierยฎ Service Technician
by Carrier Corporation
Free

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
๐Ÿ”ง Utilities
(114)
free
16
Rheem
Rheem
Rheem
Connect . Install . Service
Free

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
๐Ÿ”ง Utilities
(1.5K)
free
17
Daikin Service
Daikin Service
Daikin Service
by Daikin Airconditioning UK Ltd
Free

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
๐Ÿ”ง Utilities
(11)
free
18
HVAC PT Chart
HVAC PT Chart
HVAC PT Chart
HVAC Pressure/Temp Charts
Free

This tool provides HVAC technicians with instant access to pressure and temperature data for over 100 refrigerants. It allows users to input one value to find the other, view detailed refrigerant properties, and email comprehensive charts and data.

Pressure/temperature lookup for 100+ refrigerantsInput temperature to find pressure, or vice versaSlider control for precise value selection
๐Ÿ“Š Productivity
(8)
free
19
HVAC/R AI Pro
HVAC/R AI Pro
HVAC/R AI Pro
HVAC Tools for Service Techs
Free

This app provides HVAC and refrigeration technicians with AI-powered diagnostic assistance, duct sizing calculations, and job estimation tools. It offers step-by-step troubleshooting, airflow analysis, and photo-based equipment support to streamline service calls.

AI Diagnostic AssistantStep-by-step troubleshootingDuct sizing calculations
๐Ÿ“Š Productivity
(5)
freemium
20
HVAC practice test, prepare
HVAC practice test, prepare
HVAC practice test, prepare
HVAC exam prep, epa 608
Free

Prepare for HVAC certification exams with this comprehensive app. It offers realistic simulations, detailed progress tracking, and error analysis to help you master all exam categories. Enjoy an ad-free learning experience with saved favorites and intensive practice modes.

Complete Q&A for all categoriesRealistic exam mode simulationsSave and review favorite questions
๐Ÿ“š Education
(12)
free with in-app purchases