Thermaflex Duct Calculator app icon

Apps Like Thermaflex Duct Calculator for iPhone and iPad

Calculate Thermaflex duct size easily.

The app calculates the smallest Thermaflex duct size for HVAC installations. Users input project volume and friction loss to determine system velocity and the appropriate duct size.

by Gastite Products LLC★ 2.01 ratingsUtilitiesFreeData updated 2026-10-17

Thermaflex Duct Calculator screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Duct Calculator Elite app icon

    Duct Calculator Elite

    Cyberprodigy LLC

    Calculate size, velocity, and pressure drop

    ™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.

    ★ 4.8234 ratingsUtilities$9.99Data updated 2026-10-29
  2. HVAC Duct Size Calculator app icon

    HVAC Duct Size Calculator

    Alan Cave

    HVAC duct sizing for professionals.

    The app calculates duct sizes for HVAC design professionals. It provides a list of even sized ducts that meet design criteria, allowing users to review options at various aspect ratios.

    ★ 5.01 ratingsUtilities$0.99Data updated 2026-10-28
  3. Ductulator - Duct Sizing app icon

    Ductulator - Duct Sizing

    Wassim Murr

    Size ducts by friction rate or velocity

    Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.

    ★ 4.7362 ratingsProductivity$3.99Data updated 2026-11-08
  1. Ductulate HD app icon

    Ductulate HD

    Steven Ramsay

    Calculate air flow and duct sizes

    Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.

    ★ 4.824 ratingsUtilities$7.99Data updated 2026-09-08
  2. Duct Calculator app icon

    Duct Calculator

    Pheinex, LLC

    Calculate size and performance

    Calculate size for round or rectangular ductwork. Adjust airflow, diameter, width, or height using sliders. Enter values directly for precise measurements. Lock friction calculations for accurate results.

    ★ 4.5189 ratingsUtilities$19.99Data updated 2026-09-10
  3. Greenheck Toolbox app icon

    Greenheck Toolbox

    Greenheck Fan Corporation

    Calculate fan laws and size ducts

    Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.

    ★ 3.03 ratingsUtilitiesFreeData updated 2026-09-08
  4. APP-DTI app icon

    APP-DTI

    EFRAIN LOPEZ NUNEZ

    Calculate duct size and pressure drop

    Calculate duct diameter based on airflow velocity. Perform CFD analysis for fluid dynamics. Estimate pressure drop across duct systems. Generate reports with detailed calculations. Export results for documentation.

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  5. Baker HVAC Pro+ app icon

    Baker HVAC Pro+

    Watsco, Inc.

    View order status, access product info,

    Access product information and tools for /R professionals. View real-time order status. Use a duct calculator to determine size, material, and specifications. Link online account to manage prices, add items to cart, and check inventory.

    ★ 4.9594 ratingsProductivityFreeData updated 2026-09-08
  6. ACCA DuctWheel app icon

    ACCA DuctWheel

    Air Conditioning Contractors of America

    HVAC duct sizing the easy way.

    The app provides HVAC duct sizing using ACCA's Manual D, the ANSI standard for residential duct design. It offers features like zooming, locking the wheel, and taking snapshots for reference.

    ★ 3.313 ratingsUtilities$24.99Data updated 2026-09-18
  7. HVAC Duct Sizer app icon

    HVAC Duct Sizer

    Carmel Software Corporation

    HVAC duct sizing analysis application tool

    The app sizes HVAC duct runs or a range of duct sizes using the constant friction method. Users can input airflow, dimensions, or a range of sizes to calculate results in English or Metric units.

    ★ 3.19 ratingsUtilities$5.99Data updated 2026-09-11
  8. Duct-Fit app icon

    Duct-Fit

    Izumi Consulting,Inc.

    Select duct sizes intuitively and simply.

    The app calculates appropriate duct sizes based on airflow, static pressure, and air velocity. It displays selected duct shapes graphically and supports both rectangular and round ducts.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-22
  9. CE HVAC Pro+ app icon

    CE HVAC Pro+

    Watsco, Inc.

    Check warranty, order status, and tech specs

    Check warranty details, inventory availability, order status, and technical manuals for products. Access tech specifications and order history. Receive support and track business growth tools.

    ★ 4.71,577 ratingsProductivityFreeData updated 2026-09-08
  10. Homans HVAC Pro+ app icon

    Homans HVAC Pro+

    Watsco, Inc.

    Track orders and access product tools

    Access product information and tools for professionals. View real-time order status. Use a duct calculator to determine size, material, and specifications. Sign in to manage account, prices, cart, and orders.

    ★ 4.768 ratingsProductivityFreeData updated 2026-09-14
  11. DuctSizeCalc app icon

    DuctSizeCalc

    Technical Data Service Co.,Ltd.

    Calculate air conditioning duct sizes easily.

    The app calculates duct sizes for air conditioning using the constant-pressure method. Users input wind amounts to determine duct size, disadvantageous pressure, and wind velocity for blueprints and drawings.

    ★ 2.01 ratingsProductivity$2.99Data updated 2026-09-22
  12. WinFab - Sheet Metal Ductulator app icon

    WinFab - Sheet Metal Ductulator

    pasquale dipaola

    Calculate duct sizes and dimensions

    Calculate duct sizes based on airflow requirements and space constraints. Input dimensions and airflow rates. Generate reports with material estimates and installation guidelines. Export data for sharing or record-keeping.

    ★ 4.86 ratingsBusiness$3.99Data updated 2026-11-08
  13. Air Flow Conversion Calculator app icon

    Air Flow Conversion Calculator

    Tan Chia Ling

    Calculate airflow rate instantly

    Calculate airflow displacement by inputting velocity or volume. Select duct type and dimensions with unit options. Instantly display results in preferred units including fl/min, m/s, and ft3/min.

    ★ 3.511 ratingsUtilities$2.99Data updated 2026-09-14
  14. Sensi app icon

    Sensi

    Copeland LP

    Set temperature remotely and track energy use

    Control home temperature settings remotely from any location. Adjust heating and cooling schedules. View energy usage data. Integrate with compatible HVAC systems. Receive installation guidance through in- instructions.

    ★ 4.6241,931 ratingsLifestyleFreeData updated 2026-09-08
  15. Calculadora URSA AIR app icon

    Calculadora URSA AIR

    Etex SA

    Calculate installation duct parameters simply.

    The app correlates parameters to calculate an installation duct. It allows dimensioning URSA AIR ducts or solving problems in situ.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-10-31

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.