SwiftSize app icon

Apps Like SwiftSize for iPhone and iPad

Calculate HVAC load and generate PDF report

HVAC load calculator Measure home exposures on-site to size heating and air conditioning equipment. Generate detailed PDF reports. Reduce engineering time for accurate results. Sync with devices for real-time data.

by Design Comfort★ 4.03 ratingsBusiness$9.99Data updated 2026-10-24

SwiftSize screenshots

Ranked alternatives

Showing 81–100 of 1,000 ranked alternatives.

  1. 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
  1. Easy Offset app icon

    Easy Offset

    Allen Sieler

    Calculate offsets with precision and speed

    Calculate cut joints, elbow centerlines, and overall lengths for HVAC offsets. Input angles and dimensions to determine measurements. Avoid manual calculations and trigonometry. Reduce material waste and field cutting.

    ★ 4.325 ratingsProductivity$4.99Data updated 2026-11-02
  2. SubPrinta - Sublimation Design app icon

    SubPrinta - Sublimation Design

    Blue Sodium Corp

    , print, and heat press projects

    Create custom prints for projects. Import designs from Etsy or Canva or use templates for tumblers, tees, hoodies, and mason jars. Adjust sizes and print directly for use.

    ★ 4.6763 ratingsGraphics & DesignFreeData updated 2026-09-06
  3. AccuValve app icon

    AccuValve

    Accutrol, LLC

    Select valves for HVAC systems.

    The app assists HVAC system designers in selecting AccuValves. It helps size valves to achieve minimum system pressure drop.

    ★ 0.00 ratingsBusinessFreeData updated 2026-09-27
  4. NaviLink app icon

    NaviLink

    KYUNGDONG NAVIEN CO.,LTD

    ★ 4.2824 ratingsLifestyleFreeData updated 2026-09-10
  5. Dolphin Boiler app icon

    Dolphin Boiler

    Tomer Aviram

    Set temperature, track water heat, schedule heating

    Control water temperature remotely from any location. View current temperature and shower availability. Schedule heating times and estimate heating duration. Monitor energy usage and adjust settings for efficient operation.

    ★ 5.01 ratingsProductivityFreeData updated 2026-09-20
  6. 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
  7. PCalc app icon

    PCalc

    TLA Systems Ltd.

    Calculate, convert, and program with precision

    Perform complex calculations with scientific, engineering, and hexadecimal modes. Use RPN and multi-line display. Convert units and access constants. Undo and redo actions. Sync with Apple Watch for on-the-go calculations.

    ★ 4.7779 ratingsUtilities$9.99Data updated 2026-11-02
  8. Plumbing Formulator app icon

    Plumbing Formulator

    Historycentral.com Inc

    Professional calculator for plumbing and HVAC.

    The app offers over 200 formulas and tools for plumbing, HVAC, and mechanical contractors. It includes calculators for water flow, piping, drainage, water heaters, pumps, gas, medical gas, pools, septic, and thermal expansion.

    ★ 4.67 ratingsProductivityFreeData updated 2026-09-10
  9. LennoxPros app icon

    LennoxPros

    Lennox Industries

    Information for HVAC professionals and businesses.

    The app provides HVAC professionals and businesses with product information, parts, and supplies. It includes real-time availability checks, technical tools, sales resources, and warranty information.

    ★ 2.356 ratingsBusinessFreeData updated 2026-11-02
  10. HVAC Toolkit app icon

    HVAC Toolkit

    Carmel Software Corporation

    Track equipment and PT charts

    Provides access to multiple specialized tools for professionals. Users can locate equipment, read PT charts, calculate refrigerant charges, size ducts, estimate quick loads, and analyze psychrometric data.

    ★ 5.02 ratingsProductivity$23.99Data updated 2026-09-08

How we rank alternatives

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