Best Hvac Manual J Apps

227+ iOS apps curated and reviewed

4.3 avg rating
19 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our hvac manual j list covers 227+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Hvac Manual J

HVAC Load Calculator Manual J#1

HVAC Load Calculator Manual J by Mike Watson

BTU Sizing for Contractors
Editor's Choice
🔧 Utilities
4.7(29 ratings)
FreeIn-App Purchases
HVAC Load Calculator Manual J screenshot 1
HVAC Load Calculator Manual J screenshot 2
HVAC Load Calculator Manual J screenshot 3
HVAC Load Calculator Manual J screenshot 4
HVAC Load Calculator Manual J screenshot 5

This app provides professional HVAC load calculations for contractors, offering three levels of accuracy from quick estimates to detailed Manual J calculations. It's designed for field use with an intuitive interface, offline capabilities, and professional report generation.

HVAC Calculator Load Pro#2

HVAC Calculator Load Pro by Ryan Perchak

Built for HVAC Specialists
Strong Contender
📊 Productivity
4.0(1 ratings)
FreeIn-App Purchases
HVAC Calculator Load Pro screenshot 1
HVAC Calculator Load Pro screenshot 2
HVAC Calculator Load Pro screenshot 3
HVAC Calculator Load Pro screenshot 4
HVAC Calculator Load Pro screenshot 5
HVAC Calculator Load Pro screenshot 6

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.

More Hvac Manual J 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)
🔧 Utilities
(4.4K)
ad-supported
5
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
📊 Productivity
(1.5K)
free with in-app purchases
6
LaserCalc Mobile
LaserCalc Mobile
LaserCalc Mobile
by Imogen Technologies LLC
Free

This app assists HVAC professionals with accurate load calculations for residential and commercial projects. It adheres to industry-standard ACCA Manual J 8th Edition guidelines, integrating data from DOE and NREL for precise results.

ACCA Manual J 8th Edition complianceDOE and NREL data integrationProfessional HVAC load calculations
💼 Business
(5)
free with in-app purchases
7
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
📚 Education
(81)
free
8
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
💼 Business
(490)
free
9
Ruud
Ruud
Ruud
Connect . Install . Service
Free

This app streamlines HVAC installation, service, and support for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with access to product information, warranty tracking, and dealer locators.

Bluetooth setup and troubleshootingSystem operating parameter monitoringAlarm diagnosis and history
🔧 Utilities
(990)
free
10
measureQuick HVAC
measureQuick HVAC
measureQuick HVAC
Connect. Perform. Prosper.
Free

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.

Quick HVAC system diagnosisAccurate repair solutionsReduced troubleshooting time
📊 Productivity
(5)
free
11
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
🔧 Utilities
(1.5K)
free
12
HVAC Toolkit Ultimate
HVAC Toolkit Ultimate
HVAC Toolkit Ultimate
Endless HVAC Functionality
$59.99

This comprehensive application offers a suite of tools for HVAC professionals, including load calculations, equipment tracking, refrigerant charts, duct and pipe sizing, and psychrometric analysis. It consolidates multiple functionalities into a single, powerful utility for field and office use.

Residential load calculationsEquipment nameplate data trackingRefrigerant pressure-temperature charts
📊 Productivity
(4)
paid
13
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

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.

Instant refrigerant charge calculatorSuperheat calculator (non-TXV)Subcooling calculator (TXV)
🔍 Reference
(17K)
free
14
SkillCat: EPA 608 & HVAC
SkillCat: EPA 608 & HVAC
SkillCat: EPA 608 & HVAC
Accredited Online Trade School
Free

This app offers accredited online trade school courses and certifications for HVAC, plumbing, electrical, and more. Learn at your own pace, on your phone, and earn valuable credentials like EPA 608 and OSHA-10 without traditional school debt.

EPA 608 & 609 CertificationAccredited Trade School DiplomasOSHA-10 Certification
📚 Education
(8.2K)
subscription
15
CoolCloud HVAC 2.0
CoolCloud HVAC 2.0
CoolCloud HVAC 2.0
HVAC Service Streamlined
Free

This application enables HVAC contractors to wirelessly connect with Goodman and Amana air handler and furnace control boards via Bluetooth. It streamlines equipment servicing, maintenance, configuration, and diagnostics for improved energy efficiency and performance.

Bluetooth connectivityEquipment configurationStatus monitoring
💼 Business
(17)
free
16
Kelley HVAC Pro (5a17df)
Kelley HVAC Pro (5a17df)
Kelley HVAC Pro (5a17df)
HVAC Estimating & Load Calc
Free

This app streamlines HVAC business operations with AI-powered estimates, CRM, and professional tools. It helps contractors generate quotes, manage customers, and track job details efficiently from the field.

AI-powered estimatesLoad calculations (Manual J, D, S)Customer Relationship Management (CRM)
💼 Business
(1)
subscription
17
Gemaire HVAC Pro+
Gemaire HVAC Pro+
Gemaire HVAC Pro+
HVAC Tools
Free

This app provides HVAC professionals with essential tools and product information to streamline their work. Access pricing, order status, real-time availability, and technical support. It also includes inventory management, warranty services, and helpful calculators.

View pricing and order statusReal-time product availabilitySearch for HVAC models and parts
📊 Productivity
(798)
free with in-app purchases
18
HVAC Load & Refrigerant Calc
HVAC Load & Refrigerant Calc
HVAC Load & Refrigerant Calc
Refrigerant, Manual J & BTU
Free
🔧 Utilities
(0)
19
Daikin Tech Hub
Daikin Tech Hub
Daikin Tech Hub
by Goodman Global Holdings, Inc.
Free

This app provides Daikin service contractors with instant access to all technical and service information for Daikin products. It includes product specifications, manuals, error code troubleshooting, interactive field settings, and service videos. The app works online and offline, syncing data automatically for the latest updates.

Product Technical SpecificationsAll Documents in one placeError Codes with troubleshooting
💼 Business
(3.6K)
free
20
Baker HVAC Pro+
Baker HVAC Pro+
Baker HVAC Pro+
HVAC Tools
Free

This app provides HVAC/R professionals with on-the-go access to product information and essential tools. It features real-time order tracking, a duct calculator, warranty verification, and branch location details. Users can also search for parts, view technical documents, and receive special offer notifications.

Real-time order statusDuct calculatorProduct availability and pricing
📊 Productivity
(570)
ad-supported