DuctSizeCalc app icon

Apps Like DuctSizeCalc for iPhone and iPad

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.

by Technical Data Service Co.,Ltd.★ 2.01 ratingsProductivity$2.99Data updated 2026-11-09

DuctSizeCalc screenshots

Ranked alternatives

Showing 21–40 of 1,000 ranked alternatives.

  1. DALC app icon

    DALC

    SHEET METAL CONTRACTORS NATIONAL ASSOCIATION, INC.

    Estimate ductwork air leakage easily.

    The app estimates air leakage from ductwork for engineers, architects, designers, and contractors. It determines pass/fail marks for Duct Air Leakage Tests and combines ductwork sections to calculate total allowable leakage.

    ★ 2.127 ratingsBusinessFreeData updated 2026-09-18
  2. 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
  1. 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
  2. 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
  3. Pipe Trades Pro Calc app icon

    Pipe Trades Pro Calc

    Calculated Industries, Inc.

    Try before you buy with free trial

    Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.

    ★ 4.84,282 ratingsUtilitiesFreeData updated 2026-09-08
  4. Scientific Calculator Plus 991 app icon

    Scientific Calculator Plus 991

    Tran Duy

    Calculate, graph, convert, solve

    Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.

    ★ 4.712,406 ratingsEducationFreeData updated 2026-09-16
  5. Tody app icon

    Tody

    Looploop IVS

    Track dirtiness and manage cleaning tasks

    Manage household cleaning tasks based on actual need, not fixed dates. Visualize dirtiness and cleaning impact to guide and motivate routines. Set optional reminders and control cleaning schedules without deadlines or forced notifications.

    ★ 4.810,671 ratingsProductivityFreeData updated 2026-09-08
  6. HVAC-calculator app icon

    HVAC-calculator

    Trond Rossvoll

    HVAC calculations for building energy use.

    The app performs HVAC calculations for building energy use. It helps users calculate SFP, temperature efficiency, air velocity, duct dimensions, and pressure drop.

    ★ 4.01 ratingsProductivity$4.99Data updated 2026-10-10
  7. Concepts app icon

    Concepts

    TopHatch, Inc.

    Sketch, organize, and design ideas

    Create vector-based sketches and designs on an infinite canvas. Sketch plans, make notes, and draw storyboards. Organize ideas with mindmaps and doodles. Iterate and experiment with designs. Export and share work.

    ★ 4.726,457 ratingsGraphics & DesignFreeData updated 2026-09-08
  8. Concrete Calculator Plus app icon

    Concrete Calculator Plus

    Calc Hub, LLC

    Estimate and materials for slabs, walls, columns,

    Estimate volume for rectangular, circular, and stepped slabs, footings, columns, walls, and steps. Calculate block and CMU quantities for walls. Estimate mortar mix materials and rebar amounts. Determine gravel needs for bases.

    ★ 4.825,843 ratingsUtilitiesFreeData updated 2026-09-22
  9. Gemaire HVAC Pro+ app icon

    Gemaire HVAC Pro+

    Watsco, Inc.

    Access product info and tools anytime

    Access product information, pricing, and order status through account linking. View real-time product availability at preferred and nearby branches. Find locations, hours, and contact details. Track order progress and check branch inventory.

    ★ 4.8817 ratingsProductivityFreeData updated 2026-09-08

How we rank alternatives

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