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Best Airflow Cfm Calc Hvac Apps

228+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated June 2026

Airflow CFM Calc HVAC is the household name in airflow cfm calc hvac, but it's far from the only option. We track 228+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Airflow Cfm Calc Hvac

CE HVAC Pro+#2

CE HVAC Pro+ by Watsco, Inc.

HVAC Tools
Strong Contender
📊 Productivity
4.7😐(1.5K ratings)
FreeAds
CE HVAC Pro+ screenshot 1
CE HVAC Pro+ screenshot 2
CE HVAC Pro+ screenshot 3
CE HVAC Pro+ screenshot 4
CE HVAC Pro+ screenshot 5
CE HVAC Pro+ screenshot 6

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.

What We Love

  • 👍 Great customer service
  • 🚀 Time-saving tool
  • 📚 Helpful technical information
  • 🔍 Useful inventory and pricing lookup

Room to Improve

  • 🐛 App crashes and bugs
  • ⏱️ Slow performance and loading times
  • 🔍 Incomplete product information
measureQuick HVAC#3

measureQuick HVAC by Manifold Cloud Services Ltd.

Connect. Perform. Prosper.
Worth Considering
📊 Productivity
5.0😐(5 ratings)
Free
measureQuick HVAC screenshot 1
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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

  • 👍 Excellent diagnostic tool
  • 🚀 Improves efficiency and standardization
  • 💡 Elevates the HVAC industry
  • 👍 Useful for both experienced and junior technicians

Room to Improve

  • 🐛 Frequent crashes and stability issues
  • 🔒 Too much personal information required
  • 💰 Overpriced, especially for the paid features

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4
Duct Calculator - DuctCalc
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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.

Duct sizing for round, rectangular, and flexible ductsFittings pressure drop calculationPsychrometric analysis with interactive chart
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5
Bluon HVAC
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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.

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SuperCool Slide Rule HVAC
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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.

Superheat & Subcooling chargingDuct sizing & layout calculatorCompressor windings troubleshooter
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HVACR Check & Charge
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PT Charts Superheat Subcooling
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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)
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HVAC School
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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
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Gemaire HVAC Pro+
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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
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10
HVAC & Sheet Metal Calculator
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Construction Math & Trade Pro
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This app provides advanced calculations for HVAC and sheet metal professionals. It simplifies complex dimensional math, geometry, and trigonometry with specialized functions for ducting, airflow, and construction layouts. Offers a free trial before committing to a subscription.

Sheet metal calculations (radius, offset, wrapper length)Trigonometric functions (sine, cosine, tangent, arc)HVAC specific calculations (fan law, CFM, velocity)
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11
Air Flow Conversion Calculator
Air Flow Conversion Calculator
Air Flow Conversion Calculator
Air Velocity & Airflow Volume
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Easily calculate air velocity and airflow volume for various duct types. Input dimensions and units, and get instant results for HVAC and ventilation applications.

Calculate air velocity and airflow volumeSupport for circular and rectangular ductsMultiple unit options for velocity, volume, and dimensions
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12
HVAC PT Chart
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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
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13
Baker HVAC Pro+
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HVAC Tools
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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
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14
IN HVAC Calculator
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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.

Equipment circuit requirements calculatorAC tonnage estimation by model numberHVAC manufacture date lookup
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15
Duct Calculator Elite
Duct Calculator Elite
Duct Calculator Elite
Ducting Size Calculator
$6.99

This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.

Calculate duct size, velocity, pressure drop, flow rateDuct Size by Airflow modeDuct Size by Dimension mode
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16
TrueFlow HVAC Air Flow
TrueFlow HVAC Air Flow
TrueFlow HVAC Air Flow
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This tool offers a simple and accurate way to measure airflow through residential air handlers. It provides direct CFM readings quickly, without complex calculations. Designed for ease of use in various air handler configurations.

Accurate airflow measurementDirect CFM readingsFast 2-3 minute readings
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17
SMACNA Duct-U-Lator
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This tool simplifies HVAC duct sizing for professionals. It quickly calculates dimensions for rectangular, round, and oval ducts based on airflow, friction loss, and velocity, ensuring optimal ventilation system performance.

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18
HVAC ASHRAE 62.1
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Perform 62.1 ventilation calcs
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Calculate minimum ventilation rates for commercial buildings based on ASHRAE Standard 62.1. Supports 2016 and 2019 versions, offering unlimited project storage and quick field calculations.

Perform 62.1 ventilation calculationsSupports 2016 and 2019 standardsUnlimited project, system, and zone storage
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19
Heating & Cooling HVAC Pro+
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This app provides HVAC professionals with quick access to product information, tools, and support. It allows users to check pricing, availability, find locations, and manage warranty claims. Features include a PT calculator, duct calculators, and a flashlight tool for on-site work.

View pricing and order statusReal-time product availabilityFind branch locations and hours
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20
HVAC Exam Prep 2026
HVAC Exam Prep 2026
HVAC Exam Prep 2026
Pass HVAC Exam & Practice Test
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Prepare for your HVAC technician certification exam with a comprehensive mobile study tool. It offers a scientific study system, over 1,700 practice questions with detailed explanations, and simulated exams designed by experts. Track your progress and boost confidence for your first attempt.

1,700+ specialized questionsDetailed explanationsSimulated exam quizzes
📚 Education
(93)
subscription